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dist/icons/y.svg | 6 + dist/icons/z.svg | 6 + dist/icons/zoo.svg | 4 + dist/webfonts/fa-brands-400.ttf | Bin 0 -> 186112 bytes dist/webfonts/fa-brands-400.woff2 | Bin 0 -> 107460 bytes dist/webfonts/fa-regular-400.ttf | Bin 0 -> 62048 bytes dist/webfonts/fa-regular-400.woff2 | Bin 0 -> 25096 bytes dist/webfonts/fa-solid-900.ttf | Bin 0 -> 397728 bytes dist/webfonts/fa-solid-900.woff2 | Bin 0 -> 150472 bytes dist/webfonts/fa-v4compatibility.ttf | Bin 0 -> 10136 bytes dist/webfonts/fa-v4compatibility.woff2 | Bin 0 -> 4584 bytes img/circle.svg | 13 + img/edit.svg | 1 + img/favicon.png | Bin 0 -> 4827 bytes img/marker-chars/0.svg | 6 + img/marker-chars/1.svg | 6 + img/marker-chars/2.svg | 6 + img/marker-chars/3.svg | 6 + img/marker-chars/4.svg | 6 + img/marker-chars/5.svg | 6 + img/marker-chars/6.svg | 6 + img/marker-chars/7.svg | 6 + img/marker-chars/8.svg | 6 + img/marker-chars/9.svg | 6 + img/marker-chars/a.svg | 6 + img/marker-chars/b.svg | 6 + img/marker-chars/c.svg | 6 + 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src/ui/draw/util.js | 45 + src/ui/file_bar.js | 359 + src/ui/flash.js | 17 + src/ui/import.js | 85 + src/ui/layer_switch.js | 53 + src/ui/map/clickable_marker.js | 55 + src/ui/map/controls.js | 59 + src/ui/map/index.js | 494 + src/ui/map/styles.js | 48 + src/ui/map/util.js | 474 + src/ui/message.js | 27 + src/ui/modal.js | 50 + src/ui/mode_buttons.js | 60 + src/ui/projection_switch.js | 55 + src/ui/share.js | 57 + src/ui/user.js | 52 + tailwind.config.cjs | 19 + test/index.js | 1 + test/user.js | 18 + 384 files changed, 113920 insertions(+) create mode 100644 .eslintignore create mode 100644 .eslintrc create mode 100644 .gitignore create mode 100644 .prettierrc.json create mode 100644 .vscode/settings.json create mode 100644 API.md create mode 100644 CHANGELOG.md create mode 100644 CNAME create mode 100644 CODEOWNERS create mode 100644 CONTRIBUTING.md create mode 100644 FAQ.md create mode 100644 LICENSE create mode 100644 README.md create mode 100644 about.html create mode 100644 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src/ui/layer_switch.js create mode 100644 src/ui/map/clickable_marker.js create mode 100644 src/ui/map/controls.js create mode 100644 src/ui/map/index.js create mode 100644 src/ui/map/styles.js create mode 100644 src/ui/map/util.js create mode 100644 src/ui/message.js create mode 100644 src/ui/modal.js create mode 100644 src/ui/mode_buttons.js create mode 100644 src/ui/projection_switch.js create mode 100644 src/ui/share.js create mode 100644 src/ui/user.js create mode 100644 tailwind.config.cjs create mode 100644 test/index.js create mode 100644 test/user.js diff --git a/.eslintignore b/.eslintignore new file mode 100644 index 000000000..0021b4fb3 --- /dev/null +++ b/.eslintignore @@ -0,0 +1 @@ +dist/** \ No newline at end of file diff --git a/.eslintrc b/.eslintrc new file mode 100644 index 000000000..b5b2bd407 --- /dev/null +++ b/.eslintrc @@ -0,0 +1,28 @@ +{ + "extends": [ + "@mapbox/eslint-config-mapbox/base", + "prettier" + ], + "plugins": [ + "prettier" + ], + "rules": { + "prettier/prettier": "error", + "strict": 0 + }, + "env": { + "es6": true, + "node": true, + "browser": true + }, + "globals": { + "Base64": true, + "d3": true, + "makiNames": true + }, + "parserOptions": { + "ecmaVersion": 9, + "sourceType": "module", + "allowImportExportEverywhere": true + } +} \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 000000000..68b21f0aa --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/node_modules +.DS_Store diff --git a/.prettierrc.json b/.prettierrc.json new file mode 100644 index 000000000..eec9dcd2f --- /dev/null +++ b/.prettierrc.json @@ -0,0 +1,4 @@ +{ + "singleQuote": true, + "trailingComma": "none" + } \ No newline at end of file diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 000000000..d81e45c09 --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,5 @@ +{ + "search.exclude": { + "**/dist": true, + } +} \ No newline at end of file diff --git a/API.md b/API.md new file mode 100644 index 000000000..2738c50a3 --- /dev/null +++ b/API.md @@ -0,0 +1,114 @@ +## Geojson.io API + +You can interact with geojson.io programmatically in two ways: + +* [URL parameters](#url-api) +* [Browser console](#console-api) + +## URL API + +You can do a few interesting things with just URLs and geojson.io. Here are the +current URL formats. + +### `map` + +Open the map at a specific location. The argument is numbers separated by `/` +in the form `zoom/latitude/longitude`. + +#### Example: + +http://geojson.io/#map=2/20.0/0.0 + +### `data=data:application/json,` + +Open the map and load a chunk of [GeoJSON](http://geojson.org/) data from a +URL segment directly onto the map. The GeoJSON data should be encoded +as per `encodeURIComponent(JSON.stringify(geojson_data))`. + +#### Example: + +http://geojson.io/#data=data:application/json,%7B%22type%22%3A%22LineString%22%2C%22coordinates%22%3A%5B%5B0%2C0%5D%2C%5B10%2C10%5D%5D%7D + +### `data=data:text/x-url,` + +Load GeoJSON data from a URL on the internet onto the map. The URL must +refer directly to a resource that is: + +- Freely accessible (not behind a password) +- Supports [CORS](https://en.wikipedia.org/wiki/Cross-origin_resource_sharing) +- Is valid GeoJSON + +The URL should be encoded as per `encodeURIComponent(url)`. + +#### Example: + +https://geojson.io/#data=data:text/x-url,https%3A%2F%2Fraw.githubusercontent.com%2Fcodeforgermany%2Fclick_that_hood%2Fmain%2Fpublic%2Fdata%2Fcalifornia-counties.geojson + +### `id=gist:` + +Load GeoJSON data from a [GitHub Gist](https://gist.github.com/), given an argument +in the form of `login/gistid`. The Gist can be public or private, and must +contain a file with a `.geojson` extension that is valid GeoJSON. + +#### Example: + +http://geojson.io/#id=gist:tmcw/e9a29ad54dbaa83dee08&map=8/39.198/-76.981 + +### `id=github:` + +Load a file from a GitHub repository. You must have access to the file, and +it must be valid GeoJSON. + +The url is in the form: + + login/repository/blob/branch/filepath + +#### Example: + +https://geojson.io/#id=github:benbalter/dc-wifi-social/blob/master/bars.geojson&map=14/38.9140/-77.0302 + +## Console API + +Pop open your browser console and see the beautiful examples: geojson.io has started to expose a subset of its inner workings for you to mess around with: + + +### `window.api.map` + +The [Mapbox GL JS](https://docs.mapbox.com/mapbox-gl-js/guides/) map that you see and use on the site. See the [Mapbox GL JS API Reference](https://docs.mapbox.com/mapbox-gl-js/api/) for all the things you can do with it. + +For instance, you could add another map source and layer: + +```js +window.api.map.addSource('raster-tiles', { + 'type': 'raster', + 'tiles': [ + 'https://stamen-tiles.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.jpg' + ], + 'tileSize': 256, + 'attribution': + 'Map tiles by Stamen Design, under CC BY 3.0. Data by OpenStreetMap, under CC BY SA' +}) + +window.api.map.addLayer({ + 'id': 'simple-tiles', + 'type': 'raster', + 'source': 'raster-tiles', + 'minzoom': 0, + 'maxzoom': 22 +}) +``` + +### `window.api.data` + +The data model. See the [code to get an idea of how it works](https://github.com/mapbox/geojson.io/blob/main/src/core/data.js#L46-L101) - +you'll want to use stuff like `data.set({ map: { .. your geojson map information .. })` +and `data.get('map')` and `data.mergeFeatures([arrayoffeatures])` to do your +dirty business. + +## `window.api.draw` + +Exposes the [mapbox-gl-draw](https://github.com/mapbox/mapbox-gl-draw) instance in the console. + +## `window.api.on(event, fn)` + +Exposes d3 events, including `change`. \ No newline at end of file diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 000000000..60a535960 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,238 @@ +# CHANGELOG + +## 2023-02-27 + +* fix feature area/length calculations #819 + +## 2023-02-01 + +* restore console api, update API.md to document it #807 +* add polyline6 support #813 +* fix external geojson demo link #811 +* speed up flyTo animations #809 + +## 2022-12-08 + +* replace terser with uglify #805 + +## 2022-11-30 + +* fix css load order #802 + +## 2022-11-29 + +* require shift key to drag features, update help text #800 + +## 2022-11-28 + +* add rollup.js #798 + +## 2022-11-23 + +* add marker popup offsets #795 + +## 2022-11-22 + +* handle null properties, refactor layer initialization logic, refactor zoom on first load #790 + +## 2022-11-21 +* update core style urls #792 + +## 2022-11-17 +* normalize pasted data into FeatureCollection #787 + +## 2022-11-16 +* show geojsonhint warnings without rejecting geojson #786 + +## 2022-11-15 + +* handle null properties when rendering MultiPoint #783 +* Mobile Responsive Layout and CSS updates (#779) + +## 2022-11-10 + +* add image and twitter card meta tags, update title (#774) + +## 2022-11-09 + +* restore simplestyle ui in popups, handle marker-size style property (#766) +* Update linting and formatting (#764) + +## 2022-11-07 + +* install mapboxgl, mapbox-gl-draw, mapbox-gl-geocoder, and turf from node_modules (#761) +* require codemirror from json.js (#762) + +## 2022-11-03 + +* add keybindings for draw mode changes and trash (#755) + +## 2022-11-02 + +* add circle drawing mode, add title tooltips for draw buttons (#748) + +## 2022-10-31 + +* remove cmd-s keybinding (#750) +* upgrade fontawesome, add copy button to json editor (#753) +* Persist projection and style (#752) +* fix style load check (#751) + +## 2022-10-27 + +* prevent editor data update when data is unchanged (#734) +* move codemirror to package.json dependencies (#731) + +## 2022-10-25 + +* Fix a bug that was checking for map load in an unreliable way before adding data from externally loaded geojson (#733) + +## 2022-10-24 +* prevent line or polygon popup if marker was clicked (#730) +* Fix the handling of points in MultiPoint and GeometryCollection geometries (#736) + +## 2022-10-21 + +* Update the default map view, `fix mapDefault() check` (#727) +* Improve hot-reloading setup (#717) +* Restore user-added raster layer (#715) +* Add a better error message when WebGL is not enabled (#723) +* Fix a bug where marker popups were read-only (#726) + +## 2022-10-20 + +* Restore most simplestyle properties (#718) +* Restore OSM raster tiles as a default basemap option (#720) + +## 2022-10-17 + +* Add Codemirror Folding (#704) + +* The following updates were included in (#703) +* Remove authentication UI and references to auth/saving. +* Remove the browser CLI and references to it in the help text and readme. +* Simplestyle styling is no longer supported, and default population of simplestyle properties is removed. All features in the working dataset will now have the same style +* Upgrade browserify and other dependencies, allowing for a working build with newer versions of node.js (v14). +* Add some vs code settings to automate running make on save, for a more streamlined development process. +* Uses mapbox-gj.js for map rendering, including the new globe projection. +* Adds mapbox-gl-draw with a rectangle mode and a custom edit UI/UX to be similar to the edit button in leaflet-draw +* Adds a projection toggle UI (visible at zoom 6 and below) for switching between globe (default) and mercator +* Replaces the existing layer switch with more mapbox core style options (Standard, Satellite Streets, Outdoors, Light, Dark) +* Formats geojson on paste (useful when pasting single-line geojson from a scripted output somewhere, if the pasted string is valid JSON it will be automatically pretty-printed in the editor) + +## 2022-10-05 + +* Add a top navbar with link to Mapbox signup page + +## 2018-03-01 + +* OpenCycleMap requires an API key and the layer is disabled by default (#577, #604). + +## 2014-10-13 + +* Updated `shp-write`: shapefile writing should work again. + +## 2014-09-10 + +* Updated `geojsonhint`: Feature `id` properties are now properly validated. + +## 2014-09-09 + +* Added Flatten task to Meta menu with `geojson-flatten` + +## 2014-08-07 + +* Bugfixes +* Github commit message now correct +* Subsequent commits fixed + +## 2014-08-01 + +* Added Meta menu with Clear and Random Points tasks +* Added background to top bar +* Removed Dockerfile, Vagrantfile, and other gunk. + +## 2014-07-30 + +* Support loading large Gist files. + +## 2014-05-23 + +* Fix non-anonymous gist editing. + +## 2014-05-16 + +* Moves input and output UIs to modals so that the right sidebar isn't overloaded +* Visual cleanup: fewer icons, more map +* Removes geocoding UI + +## 2013-12-10 + +* Support for downloading points as DSV + +## 2013-11-25 + +* Added ability to rename GeoJSON properties in the table view + +## 2013-11-18 + +* Fix coordinate order in popups + +## 2013-10-11 + +![KML Import](http://i.imgur.com/f0L156A.gif) + +* [KML](https://developers.google.com/kml/documentation/) export support + with [tokml](https://github.com/mapbox/tokml) + +## 2013-10-07 + +* Fix iframe embeds +* Popups now show (latitude, longitude) for points or total length for lines. + +## 2013-10-04 + +![URL Loading](http://i.imgur.com/nfvLdjd.gif) + +* Support for `data=text/x-url,` argument to load GeoJSON files on the web via [CORS](http://en.wikipedia.org/wiki/Cross-origin_resource_sharing) +* [URL API Documentation](https://github.com/mapbox/geojson.io/blob/gh-pages/API.md) +* Console API Documentation & Console API + +## 2013-10-01 + +* Shapefile export (beta) + +![Shapefile Export](http://i.imgur.com/5zpt1d3.gif) + +## 2013-9-30 + +* Use MapBox markers to expose style options +* Fix bug with retina monitors and github file previews +* Hit `Cmd+O` to quickly import a new file + +## 2013-09-25 + +* Numbers in GeoJSON properties are coerced to be numeric when appropriate + +## 2013-09-24 + +* Drag and drop of multiple files is supported - files in folders are unfortunately + not supported due to core JS/DOM limitations. +* Help panel, first resurgence of in-UI documentation and first listing of + keyboard shortcuts +* Easter-egg status TopoJSON output +* Zoom to copy-pasted new features + +## 2013-09-11 + +* Fixed mobile/read-only mode + +## 2013-09-09 + +![](http://i.imgur.com/QgPQkVT.gif) + +* First release of [geojsonio-cli](github.com/mapbox/geojsonio-cli) and matching + functionality on the web side +* [OpenStreetMap](http://www.openstreetmap.org/) format support - import + [OSM XML](http://wiki.openstreetmap.org/wiki/OSM_XML) files onto the map with + [osm-and-geojson](https://npmjs.org/package/osm-and-geojson). diff --git a/CNAME b/CNAME new file mode 100644 index 000000000..f8a96722a --- /dev/null +++ b/CNAME @@ -0,0 +1 @@ +geojson.io diff --git a/CODEOWNERS b/CODEOWNERS new file mode 100644 index 000000000..62241dc48 --- /dev/null +++ b/CODEOWNERS @@ -0,0 +1 @@ +* @mapbox/docs diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 000000000..0007c1e68 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,9 @@ +# geojson.io Contributing + +geojson.io is maintained by the [Developer Relations Team at Mapbox](https://mapbox.com/developers). We welcome feature requests, bug reports, and pull requests from the community. + +Have a look at our [open issues](https://github.com/mapbox/geojson.io/issues) to see if there are bugs or features you are interested in working on. If you need guidance or clarification, you can ask in the issue or check out the discord channel (see below) + +## Discord Channel + +There is a `geojson-dot-io` channel on the [MapboxDevs Public Discord Server](https://discord.gg/uMpcC5RmJh) for general discussion about geojson.io. Feel free to stop by and ask questions or to seek guidance on finding an issue to work on. diff --git a/FAQ.md b/FAQ.md new file mode 100644 index 000000000..4558eb64c --- /dev/null +++ b/FAQ.md @@ -0,0 +1,22 @@ +## How do I add another tile layer to geojson.io? + +[Use the Console API](https://github.com/mapbox/geojson.io/blob/gh-pages/API.md#console-api) + +## Can I use geojson.io with some other source / API? + +Yes, if you implement that. geojson.io currently works with GitHub - you would need to implement a new [source](https://github.com/mapbox/geojson.io/tree/gh-pages/src/source). +This is an exercise for the reader - you'll need to figure out how to do this on your own. + +## Can I use geojson.io with my own server / authentication? + +Yes, if you set up your own gatekeeper instance and [configure your instance with your own api keys](https://github.com/mapbox/geojson.io/blob/gh-pages/src/config.js). +Like the previous question, you will need to figure this out. + +## Where's the Server? + +There is none - geojson.io is a static application that's hosted on GitHub Pages, and could be hosted anywhere +else, as static files. + +## Where are the Templates? + +There are none - geojson.io bootstraps its entire user interface with JavaScript and d3. It does not use templates. diff --git a/LICENSE b/LICENSE new file mode 100644 index 000000000..f7e105eb8 --- /dev/null +++ b/LICENSE @@ -0,0 +1,5 @@ +Copyright 2017 Mapbox + +Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 000000000..09d7b9f20 --- /dev/null +++ b/README.md @@ -0,0 +1,44 @@ +[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fmapbox%2Fgeojson.io.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fmapbox%2Fgeojson.io?ref=badge_shield) + +# geojson.io + +![](http://i.cloudup.com/kz3BAF7Hnx.png) + +A fast, simple editor for map data. Read more on [Mapbox](https://www.mapbox.com/blog/geojsonio-announce/), +[macwright.org](https://macwright.org/2013/07/26/geojsonio.html). + +## Goes Great With! + +**Tools** + +- [Using geojson.io with GitHub is better with the Chrome Extension](https://chrome.google.com/webstore/detail/geojsonio/oibjgofbhldcajfamjganpeacipebckp) +- [geojsonio-cli](https://github.com/mapbox/geojsonio-cli) lets you shoot geojson from your terminal to geojson.io! (with nodejs) +- [geojsonio.py](https://github.com/jwass/geojsonio.py) lets you shoot geojson from your terminal to geojson.io! (with python) + +## API + +You can interact with geojson.io programmatically via URL parameters. Here is an example of geojson encoded into the URL: + +https://geojson.io/#data=data:application/json,%7B%22type%22%3A%22LineString%22%2C%22coordinates%22%3A%5B%5B0%2C0%5D%2C%5B10%2C10%5D%5D%7D + +Full API documentation can be found in [API.md](API.md). + +## Development + +1. Clone this repository +2. Install dependencies +3. Run `npm start` + +`npm start` uses `concurrently` to run `live-server` which will serve the project directory in your browser and listen for changes, `rollup` which will build the js and css bundles, and `npx tailwindcss` which builds `css/tailwind_dist.css` (including only the tailwind rules needed in the project) + +`rollup` can take several seconds to build before changes appear in the browser. + +## Production Build & Deployment + +`npm run build` will create minified bundles in `/dist`. You can try out the production build with `npm run serve` which will run live-server. + +To deploy to github pages, use `npm run deploy`. This will run the deploy script in `deploy.sh`, which creates a new orphan branch from the current branch, runs a production build, and force pushes to the `gh-pages` branch. + +## License + +[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fmapbox%2Fgeojson.io.svg?type=large)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fmapbox%2Fgeojson.io?ref=badge_large) diff --git a/about.html b/about.html new file mode 100644 index 000000000..53116e98f --- /dev/null +++ b/about.html @@ -0,0 +1,70 @@ + + + + + About Edit GeoJSON + + + + + + +

geojson.io

+

A fast, simple tool to create, change, and publish maps.

+

Chrome Extension

+ +

+ Download the latest release of the geojson.io extension + to add a 'geojson.io' button to applicable Gists and files on GitHub. +

+

Open Source

+

This site is an open source project.

+

License & Restrictions

+

This is open source software under the permissive MIT license. + That license applies to the software and not the data you + create with geojson.io - you can safely edit private, copywritten, + open, or any other kind of data with this tool without the tool changing + its legal status.

+

FAQ

+

So I've made a map, what do I do now?

+

If you just want to share your map, you can click the 'Share' tab + and send a link to friends, or grab HTML for embedding it on your + website.

+

For more flexibility, download the GeoJSON data and you can use it + with a number of different tools:

+ +

How Do I Import Shapefiles or unsupported formats?

+

geojson.io doesn't support Shapefile import directly, but you can + convert Shapefiles to GeoJSON first, and then upload GeoJSON to + geojson.io.

+ + + diff --git a/bookmarklet.html b/bookmarklet.html new file mode 100644 index 000000000..043bc90fc --- /dev/null +++ b/bookmarklet.html @@ -0,0 +1,22 @@ + + + + + geojson.io + + + + + edit on geojson.io ← drag this link to you address bar, and click it to edit a GitHub file in geojson.io + + diff --git a/data/help.md b/data/help.md new file mode 100644 index 000000000..2b75b745f --- /dev/null +++ b/data/help.md @@ -0,0 +1,34 @@ +## Help + +**geojson.io** is a quick, simple tool for creating, viewing, and sharing maps. geojson.io is named after [GeoJSON](https://geojson.org/), an open source spatial data format, and it supports GeoJSON in all ways - but also accepts KML, GPX, CSV, GTFS, TopoJSON, and other formats. + +Want to request a feature or report a bug? [Open an issue on geojson.io's issue tracker.](https://github.com/mapbox/geojson.io/issues?state=open) + +### I've got data + +If you have data, like a KML, GeoJSON, or CSV file, just drag & drop it onto the page or click 'Open' and select your file. Your data should appear on the map! + +### I want to draw features + +Use the drawing tools to draw points, polygons, lines, rectangles, and circles. After you're done drawing the shapes, you can add information to each feature by clicking on it, editing the feature's properties, and clicking 'Save'. + +Note: Circles are not supported in GeoJSON, so the circle drawing tool is really creating a circle-shaped polygon with 64 vertices. + +### I want to edit features + +To edit geometries, click the edit button to enter editng mode. All Features are selected by default. Click to select a Feature or Vertex. Press delete to remove selected Feature or Vertex. Drag to move selected vertex. Hold shift + drag to move selected Feature(s) + +Properties in GeoJSON are stored as 'key value pairs'. You can edit properties in three ways: 1 - Click the feature on the map and edit properties in the popup. 2 - Edit properties in the data table, 3 - Edit properties in the Code editor + +### I want to style features + +geojson.io supports an extended version of [simplestyle-spec](https://github.com/mapbox/simplestyle-spec/tree/master/1.1.0). For point features, besides the standard properties, `marker-color`, `marker-size` and `marker-symbol`, there is also `symbol-color` which defines the color of the symbol. + + +### I'm a coder + +[geojson.io accepts URL parameters](#geojson-io-api) that make it easy to go from a GeoJSON file on your computer to geojson.io. + +### Privacy & License Issues + +* **The data you create and modify in geojson.io** doesn't acquire any additional license: if it's secret and copyrighted, it will remain that way - it doesn't have to be public or open source. \ No newline at end of file diff --git a/data/share.html b/data/share.html new file mode 100644 index 000000000..a5743d178 --- /dev/null +++ b/data/share.html @@ -0,0 +1,83 @@ + + + + + + + + + + +
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100 251 / var(--tw-bg-opacity));}.bg-white{--tw-bg-opacity:1;background-color:rgb(255 255 255 / var(--tw-bg-opacity));}.bg-transparent{background-color:transparent;}.bg-gray-500{--tw-bg-opacity:1;background-color:rgb(107 114 128 / var(--tw-bg-opacity));}.bg-center{background-position:center;}.bg-no-repeat{background-repeat:no-repeat;}.px-3{padding-left:0.75rem;padding-right:0.75rem;}.py-1{padding-top:0.25rem;padding-bottom:0.25rem;}.px-4{padding-left:1rem;padding-right:1rem;}.px-2{padding-left:0.5rem;padding-right:0.5rem;}.py-0{padding-top:0px;padding-bottom:0px;}.pr-3{padding-right:0.75rem;}.pl-3{padding-left:0.75rem;}.pt-1{padding-top:0.25rem;}.pb-2{padding-bottom:0.5rem;}.text-left{text-align:left;}.text-right{text-align:right;}.text-justify{text-align:justify;}.font-sans{font-family:"Open Sans",sans-serif;}.text-base{font-size:1rem;line-height:1.5rem;}.text-xs{font-size:0.75rem;line-height:1rem;}.font-extrabold{font-weight:800;}.font-bold{font-weight:700;}.font-medium{font-weight:500;}.tracking-wide{letter-spacing:0.025em;}.text-white{--tw-text-opacity:1;color:rgb(255 255 255 / var(--tw-text-opacity));}.text-gray-500{--tw-text-opacity:1;color:rgb(107 114 128 / var(--tw-text-opacity));}.text-green-600{--tw-text-opacity:1;color:rgb(22 163 74 / var(--tw-text-opacity));}.opacity-0{opacity:0;}.blur{--tw-blur:blur(8px);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow);}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow);}.transition-all{transition-property:all;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms;}.transition-opacity{transition-property:opacity;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms;}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,-webkit-backdrop-filter;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter,-webkit-backdrop-filter;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms;}.duration-200{transition-duration:200ms;}.duration-300{transition-duration:300ms;}.duration-100{transition-duration:100ms;}.before\:absolute::before{content:var(--tw-content);position:absolute;}.before\:h-2::before{content:var(--tw-content);height:0.5rem;}.before\:w-2::before{content:var(--tw-content);width:0.5rem;}.before\:rotate-45::before{content:var(--tw-content);--tw-rotate:45deg;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y));}.before\:bg-mb-gray-dark::before{content:var(--tw-content);--tw-bg-opacity:1;background-color:rgb(14 33 39 / var(--tw-bg-opacity));}.before\:opacity-0::before{content:var(--tw-content);opacity:0;}.before\:transition-opacity::before{content:var(--tw-content);transition-property:opacity;transition-timing-function:cubic-bezier(0.4,0,0.2,1);transition-duration:150ms;}.before\:duration-100::before{content:var(--tw-content);transition-duration:100ms;}.hover\:bg-mb-purple-700:hover{--tw-bg-opacity:1;background-color:rgb(15 56 191 / var(--tw-bg-opacity));}.hover\:bg-gray-700:hover{--tw-bg-opacity:1;background-color:rgb(55 65 81 / var(--tw-bg-opacity));}.hover\:text-white:hover{--tw-text-opacity:1;color:rgb(255 255 255 / var(--tw-text-opacity));}.group:hover .group-hover\:opacity-100{opacity:1;}.group:hover .group-hover\:before\:opacity-100::before{content:var(--tw-content);opacity:1;}@media (min-width:768px){.md\:block{display:block;}.md\:flex{display:flex;}.md\:h-auto{height:auto;}.md\:w-2\/5{width:40%;}.md\:max-w-md{max-width:28rem;}.md\:basis-full{flex-basis:100%;}.md\:basis-0{flex-basis:0px;}.md\:flex-row{flex-direction:row;}} +.mapboxgl-map{font:12px/20px Helvetica Neue,Arial,Helvetica,sans-serif;overflow:hidden;position:relative;-webkit-tap-highlight-color:rgb(0 0 0/0)}.mapboxgl-canvas{left:0;position:absolute;top:0}.mapboxgl-map:-webkit-full-screen{height:100%;width:100%}.mapboxgl-canary{background-color:salmon}.mapboxgl-canvas-container.mapboxgl-interactive,.mapboxgl-ctrl-group button.mapboxgl-ctrl-compass{cursor:grab;-webkit-user-select:none;user-select:none}.mapboxgl-canvas-container.mapboxgl-interactive.mapboxgl-track-pointer{cursor:pointer}.mapboxgl-canvas-container.mapboxgl-interactive:active,.mapboxgl-ctrl-group 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.mapboxgl-canvas{touch-action:none}.mapboxgl-ctrl-bottom,.mapboxgl-ctrl-bottom-left,.mapboxgl-ctrl-bottom-right,.mapboxgl-ctrl-left,.mapboxgl-ctrl-right,.mapboxgl-ctrl-top,.mapboxgl-ctrl-top-left,.mapboxgl-ctrl-top-right{pointer-events:none;position:absolute;z-index:2}.mapboxgl-ctrl-top-left{left:0;top:0}.mapboxgl-ctrl-top{left:50%;top:0;transform:translateX(-50%)}.mapboxgl-ctrl-top-right{right:0;top:0}.mapboxgl-ctrl-right{right:0;top:50%;transform:translateY(-50%)}.mapboxgl-ctrl-bottom-right{bottom:0;right:0}.mapboxgl-ctrl-bottom{bottom:0;left:50%;transform:translateX(-50%)}.mapboxgl-ctrl-bottom-left{bottom:0;left:0}.mapboxgl-ctrl-left{left:0;top:50%;transform:translateY(-50%)}.mapboxgl-ctrl{clear:both;pointer-events:auto;transform:translate(0)}.mapboxgl-ctrl-top-left .mapboxgl-ctrl{float:left;margin:10px 0 0 10px}.mapboxgl-ctrl-top .mapboxgl-ctrl{float:left;margin:10px 0}.mapboxgl-ctrl-top-right .mapboxgl-ctrl{float:right;margin:10px 10px 0 0}.mapboxgl-ctrl-bottom-right .mapboxgl-ctrl,.mapboxgl-ctrl-right .mapboxgl-ctrl{float:right;margin:0 10px 10px 0}.mapboxgl-ctrl-bottom .mapboxgl-ctrl{float:left;margin:10px 0}.mapboxgl-ctrl-bottom-left .mapboxgl-ctrl,.mapboxgl-ctrl-left .mapboxgl-ctrl{float:left;margin:0 0 10px 10px}.mapboxgl-ctrl-group{background:#fff;border-radius:4px}.mapboxgl-ctrl-group:not(:empty){box-shadow:0 0 0 2px rgba(0,0,0,.1)}@media (-ms-high-contrast:active){.mapboxgl-ctrl-group:not(:empty){box-shadow:0 0 0 2px ButtonText}}.mapboxgl-ctrl-group button{background-color:transparent;border:0;box-sizing:border-box;cursor:pointer;display:block;height:29px;outline:none;overflow:hidden;padding:0;width:29px}.mapboxgl-ctrl-group button+button{border-top:1px solid #ddd}.mapboxgl-ctrl button .mapboxgl-ctrl-icon{background-position:50%;background-repeat:no-repeat;display:block;height:100%;width:100%}@media (-ms-high-contrast:active){.mapboxgl-ctrl-icon{background-color:transparent}.mapboxgl-ctrl-group button+button{border-top:1px solid ButtonText}}.mapboxgl-ctrl-attrib-button:focus,.mapboxgl-ctrl-group button:focus{box-shadow:0 0 2px 2px #0096ff}.mapboxgl-ctrl button:disabled{cursor:not-allowed}.mapboxgl-ctrl button:disabled .mapboxgl-ctrl-icon{opacity:.25}.mapboxgl-ctrl-group button:first-child{border-radius:4px 4px 0 0}.mapboxgl-ctrl-group button:last-child{border-radius:0 0 4px 4px}.mapboxgl-ctrl-group button:only-child{border-radius:inherit}.mapboxgl-ctrl button:not(:disabled):hover{background-color:rgb(0 0 0/5%)}.mapboxgl-ctrl-group button:focus:focus-visible{box-shadow:0 0 2px 2px #0096ff}.mapboxgl-ctrl-group button:focus:not(:focus-visible){box-shadow:none}.mapboxgl-ctrl button.mapboxgl-ctrl-zoom-out .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23333' viewBox='0 0 29 29'%3E%3Cpath d='M10 13c-.75 0-1.5.75-1.5 1.5S9.25 16 10 16h9c.75 0 1.5-.75 1.5-1.5S19.75 13 19 13h-9z'/%3E%3C/svg%3E")}.mapboxgl-ctrl button.mapboxgl-ctrl-zoom-in .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23333' viewBox='0 0 29 29'%3E%3Cpath d='M14.5 8.5c-.75 0-1.5.75-1.5 1.5v3h-3c-.75 0-1.5.75-1.5 1.5S9.25 16 10 16h3v3c0 .75.75 1.5 1.5 1.5S16 19.75 16 19v-3h3c.75 0 1.5-.75 1.5-1.5S19.75 13 19 13h-3v-3c0-.75-.75-1.5-1.5-1.5z'/%3E%3C/svg%3E")}@media (-ms-high-contrast:active){.mapboxgl-ctrl button.mapboxgl-ctrl-zoom-out .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 29 29'%3E%3Cpath d='M10 13c-.75 0-1.5.75-1.5 1.5S9.25 16 10 16h9c.75 0 1.5-.75 1.5-1.5S19.75 13 19 13h-9z'/%3E%3C/svg%3E")}.mapboxgl-ctrl button.mapboxgl-ctrl-zoom-in .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 29 29'%3E%3Cpath d='M14.5 8.5c-.75 0-1.5.75-1.5 1.5v3h-3c-.75 0-1.5.75-1.5 1.5S9.25 16 10 16h3v3c0 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.mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23333' viewBox='0 0 29 29'%3E%3Cpath d='M24 16v5.5c0 1.75-.75 2.5-2.5 2.5H16v-1l3-1.5-4-5.5 1-1 5.5 4 1.5-3h1zM6 16l1.5 3 5.5-4 1 1-4 5.5 3 1.5v1H7.5C5.75 24 5 23.25 5 21.5V16h1zm7-11v1l-3 1.5 4 5.5-1 1-5.5-4L6 13H5V7.5C5 5.75 5.75 5 7.5 5H13zm11 2.5c0-1.75-.75-2.5-2.5-2.5H16v1l3 1.5-4 5.5 1 1 5.5-4 1.5 3h1V7.5z'/%3E%3C/svg%3E")}.mapboxgl-ctrl button.mapboxgl-ctrl-shrink .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 29 29'%3E%3Cpath d='M18.5 16c-1.75 0-2.5.75-2.5 2.5V24h1l1.5-3 5.5 4 1-1-4-5.5 3-1.5v-1h-5.5zM13 18.5c0-1.75-.75-2.5-2.5-2.5H5v1l3 1.5L4 24l1 1 5.5-4 1.5 3h1v-5.5zm3-8c0 1.75.75 2.5 2.5 2.5H24v-1l-3-1.5L25 5l-1-1-5.5 4L17 5h-1v5.5zM10.5 13c1.75 0 2.5-.75 2.5-2.5V5h-1l-1.5 3L5 4 4 5l4 5.5L5 12v1h5.5z'/%3E%3C/svg%3E")}@media (-ms-high-contrast:active){.mapboxgl-ctrl button.mapboxgl-ctrl-fullscreen .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 29 29'%3E%3Cpath d='M24 16v5.5c0 1.75-.75 2.5-2.5 2.5H16v-1l3-1.5-4-5.5 1-1 5.5 4 1.5-3h1zM6 16l1.5 3 5.5-4 1 1-4 5.5 3 1.5v1H7.5C5.75 24 5 23.25 5 21.5V16h1zm7-11v1l-3 1.5 4 5.5-1 1-5.5-4L6 13H5V7.5C5 5.75 5.75 5 7.5 5H13zm11 2.5c0-1.75-.75-2.5-2.5-2.5H16v1l3 1.5-4 5.5 1 1 5.5-4 1.5 3h1V7.5z'/%3E%3C/svg%3E")}.mapboxgl-ctrl button.mapboxgl-ctrl-shrink .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 29 29'%3E%3Cpath d='M18.5 16c-1.75 0-2.5.75-2.5 2.5V24h1l1.5-3 5.5 4 1-1-4-5.5 3-1.5v-1h-5.5zM13 18.5c0-1.75-.75-2.5-2.5-2.5H5v1l3 1.5L4 24l1 1 5.5-4 1.5 3h1v-5.5zm3-8c0 1.75.75 2.5 2.5 2.5H24v-1l-3-1.5L25 5l-1-1-5.5 4L17 5h-1v5.5zM10.5 13c1.75 0 2.5-.75 2.5-2.5V5h-1l-1.5 3L5 4 4 5l4 5.5L5 12v1h5.5z'/%3E%3C/svg%3E")}}@media (-ms-high-contrast:black-on-white){.mapboxgl-ctrl button.mapboxgl-ctrl-fullscreen .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23000' viewBox='0 0 29 29'%3E%3Cpath d='M24 16v5.5c0 1.75-.75 2.5-2.5 2.5H16v-1l3-1.5-4-5.5 1-1 5.5 4 1.5-3h1zM6 16l1.5 3 5.5-4 1 1-4 5.5 3 1.5v1H7.5C5.75 24 5 23.25 5 21.5V16h1zm7-11v1l-3 1.5 4 5.5-1 1-5.5-4L6 13H5V7.5C5 5.75 5.75 5 7.5 5H13zm11 2.5c0-1.75-.75-2.5-2.5-2.5H16v1l3 1.5-4 5.5 1 1 5.5-4 1.5 3h1V7.5z'/%3E%3C/svg%3E")}.mapboxgl-ctrl button.mapboxgl-ctrl-shrink .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23000' viewBox='0 0 29 29'%3E%3Cpath d='M18.5 16c-1.75 0-2.5.75-2.5 2.5V24h1l1.5-3 5.5 4 1-1-4-5.5 3-1.5v-1h-5.5zM13 18.5c0-1.75-.75-2.5-2.5-2.5H5v1l3 1.5L4 24l1 1 5.5-4 1.5 3h1v-5.5zm3-8c0 1.75.75 2.5 2.5 2.5H24v-1l-3-1.5L25 5l-1-1-5.5 4L17 5h-1v5.5zM10.5 13c1.75 0 2.5-.75 2.5-2.5V5h-1l-1.5 3L5 4 4 5l4 5.5L5 12v1h5.5z'/%3E%3C/svg%3E")}}.mapboxgl-ctrl button.mapboxgl-ctrl-compass .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23333' viewBox='0 0 29 29'%3E%3Cpath d='M10.5 14l4-8 4 8h-8z'/%3E%3Cpath id='south' d='M10.5 16l4 8 4-8h-8z' fill='%23ccc'/%3E%3C/svg%3E")}@media (-ms-high-contrast:active){.mapboxgl-ctrl button.mapboxgl-ctrl-compass .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 29 29'%3E%3Cpath d='M10.5 14l4-8 4 8h-8z'/%3E%3Cpath id='south' d='M10.5 16l4 8 4-8h-8z' fill='%23999'/%3E%3C/svg%3E")}}@media (-ms-high-contrast:black-on-white){.mapboxgl-ctrl button.mapboxgl-ctrl-compass .mapboxgl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23000' viewBox='0 0 29 29'%3E%3Cpath d='M10.5 14l4-8 4 8h-8z'/%3E%3Cpath id='south' d='M10.5 16l4 8 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{value: true}); + Object.keys(n).forEach(function (k) { + var d = Object.getOwnPropertyDescriptor(n, k); + Object.defineProperty(a, k, d.get ? d : { + enumerable: true, + get: function () { + return n[k]; + } + }); + }); + return a; + } + + var src$3 = {}; + + var d3$2 = {exports: {}}; + + (function (module) { + !function() { + var d3 = { + version: "3.5.17" + }; + var d3_arraySlice = [].slice, d3_array = function(list) { + return d3_arraySlice.call(list); + }; + var d3_document = this.document; + function d3_documentElement(node) { + return node && (node.ownerDocument || node.document || node).documentElement; + } + function d3_window(node) { + return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView); + } + if (d3_document) { + try { + d3_array(d3_document.documentElement.childNodes)[0].nodeType; + } catch (e) { + d3_array = function(list) { + var i = list.length, array = new Array(i); + while (i--) array[i] = list[i]; + return array; + }; + } + } + if (!Date.now) Date.now = function() { + return +new Date(); + }; + if (d3_document) { + try { + d3_document.createElement("DIV").style.setProperty("opacity", 0, ""); + } catch (error) { + var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; + d3_element_prototype.setAttribute = function(name, value) { + d3_element_setAttribute.call(this, name, value + ""); + }; + d3_element_prototype.setAttributeNS = function(space, local, value) { + d3_element_setAttributeNS.call(this, space, local, value + ""); + }; + d3_style_prototype.setProperty = function(name, value, priority) { + d3_style_setProperty.call(this, name, value + "", priority); + }; + } + } + d3.ascending = d3_ascending; + function d3_ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + } + d3.descending = function(a, b) { + return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; + }; + d3.min = function(array, f) { + var i = -1, n = array.length, a, b; + if (arguments.length === 1) { + while (++i < n) if ((b = array[i]) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = array[i]) != null && a > b) a = b; + } else { + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; + } + return a; + }; + d3.max = function(array, f) { + var i = -1, n = array.length, a, b; + if (arguments.length === 1) { + while (++i < n) if ((b = array[i]) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = array[i]) != null && b > a) a = b; + } else { + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { + a = b; + break; + } + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; + } + return a; + }; + d3.extent = function(array, f) { + var i = -1, n = array.length, a, b, c; + if (arguments.length === 1) { + while (++i < n) if ((b = array[i]) != null && b >= b) { + a = c = b; + break; + } + while (++i < n) if ((b = array[i]) != null) { + if (a > b) a = b; + if (c < b) c = b; + } + } else { + while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { + a = c = b; + break; + } + while (++i < n) if ((b = f.call(array, array[i], i)) != null) { + if (a > b) a = b; + if (c < b) c = b; + } + } + return [ a, c ]; + }; + function d3_number(x) { + return x === null ? NaN : +x; + } + function d3_numeric(x) { + return !isNaN(x); + } + d3.sum = function(array, f) { + var s = 0, n = array.length, a, i = -1; + if (arguments.length === 1) { + while (++i < n) if (d3_numeric(a = +array[i])) s += a; + } else { + while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a; + } + return s; + }; + d3.mean = function(array, f) { + var s = 0, n = array.length, a, i = -1, j = n; + if (arguments.length === 1) { + while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j; + } else { + while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j; + } + if (j) return s / j; + }; + d3.quantile = function(values, p) { + var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h; + return e ? v + e * (values[h] - v) : v; + }; + d3.median = function(array, f) { + var numbers = [], n = array.length, a, i = -1; + if (arguments.length === 1) { + while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a); + } else { + while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a); + } + if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5); + }; + d3.variance = function(array, f) { + var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0; + if (arguments.length === 1) { + while (++i < n) { + if (d3_numeric(a = d3_number(array[i]))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } + } else { + while (++i < n) { + if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) { + d = a - m; + m += d / ++j; + s += d * (a - m); + } + } + } + if (j > 1) return s / (j - 1); + }; + d3.deviation = function() { + var v = d3.variance.apply(this, arguments); + return v ? Math.sqrt(v) : v; + }; + function d3_bisector(compare) { + return { + left: function(a, x, lo, hi) { + if (arguments.length < 3) lo = 0; + if (arguments.length < 4) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid; + } + return lo; + }, + right: function(a, x, lo, hi) { + if (arguments.length < 3) lo = 0; + if (arguments.length < 4) hi = a.length; + while (lo < hi) { + var mid = lo + hi >>> 1; + if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1; + } + return lo; + } + }; + } + var d3_bisect = d3_bisector(d3_ascending); + d3.bisectLeft = d3_bisect.left; + d3.bisect = d3.bisectRight = d3_bisect.right; + d3.bisector = function(f) { + return d3_bisector(f.length === 1 ? function(d, x) { + return d3_ascending(f(d), x); + } : f); + }; + d3.shuffle = function(array, i0, i1) { + if ((m = arguments.length) < 3) { + i1 = array.length; + if (m < 2) i0 = 0; + } + var m = i1 - i0, t, i; + while (m) { + i = Math.random() * m-- | 0; + t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t; + } + return array; + }; + d3.permute = function(array, indexes) { + var i = indexes.length, permutes = new Array(i); + while (i--) permutes[i] = array[indexes[i]]; + return permutes; + }; + d3.pairs = function(array) { + var i = 0, n = array.length - 1, p1 = array[0], pairs = new Array(n < 0 ? 0 : n); + while (i < n) pairs[i] = [ p1, p1 = array[++i] ]; + return pairs; + }; + d3.transpose = function(matrix) { + if (!(n = matrix.length)) return []; + for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) { + for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) { + row[j] = matrix[j][i]; + } + } + return transpose; + }; + function d3_transposeLength(d) { + return d.length; + } + d3.zip = function() { + return d3.transpose(arguments); + }; + d3.keys = function(map) { + var keys = []; + for (var key in map) keys.push(key); + return keys; + }; + d3.values = function(map) { + var values = []; + for (var key in map) values.push(map[key]); + return values; + }; + d3.entries = function(map) { + var entries = []; + for (var key in map) entries.push({ + key: key, + value: map[key] + }); + return entries; + }; + d3.merge = function(arrays) { + var n = arrays.length, m, i = -1, j = 0, merged, array; + while (++i < n) j += arrays[i].length; + merged = new Array(j); + while (--n >= 0) { + array = arrays[n]; + m = array.length; + while (--m >= 0) { + merged[--j] = array[m]; + } + } + return merged; + }; + var abs = Math.abs; + d3.range = function(start, stop, step) { + if (arguments.length < 3) { + step = 1; + if (arguments.length < 2) { + stop = start; + start = 0; + } + } + if ((stop - start) / step === Infinity) throw new Error("infinite range"); + var range = [], k = d3_range_integerScale(abs(step)), i = -1, j; + start *= k, stop *= k, step *= k; + if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k); + return range; + }; + function d3_range_integerScale(x) { + var k = 1; + while (x * k % 1) k *= 10; + return k; + } + function d3_class(ctor, properties) { + for (var key in properties) { + Object.defineProperty(ctor.prototype, key, { + value: properties[key], + enumerable: false + }); + } + } + d3.map = function(object, f) { + var map = new d3_Map(); + if (object instanceof d3_Map) { + object.forEach(function(key, value) { + map.set(key, value); + }); + } else if (Array.isArray(object)) { + var i = -1, n = object.length, o; + if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o); + } else { + for (var key in object) map.set(key, object[key]); + } + return map; + }; + function d3_Map() { + this._ = Object.create(null); + } + var d3_map_proto = "__proto__", d3_map_zero = "\x00"; + d3_class(d3_Map, { + has: d3_map_has, + get: function(key) { + return this._[d3_map_escape(key)]; + }, + set: function(key, value) { + return this._[d3_map_escape(key)] = value; + }, + remove: d3_map_remove, + keys: d3_map_keys, + values: function() { + var values = []; + for (var key in this._) values.push(this._[key]); + return values; + }, + entries: function() { + var entries = []; + for (var key in this._) entries.push({ + key: d3_map_unescape(key), + value: this._[key] + }); + return entries; + }, + size: d3_map_size, + empty: d3_map_empty, + forEach: function(f) { + for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]); + } + }); + function d3_map_escape(key) { + return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key; + } + function d3_map_unescape(key) { + return (key += "")[0] === d3_map_zero ? key.slice(1) : key; + } + function d3_map_has(key) { + return d3_map_escape(key) in this._; + } + function d3_map_remove(key) { + return (key = d3_map_escape(key)) in this._ && delete this._[key]; + } + function d3_map_keys() { + var keys = []; + for (var key in this._) keys.push(d3_map_unescape(key)); + return keys; + } + function d3_map_size() { + var size = 0; + for (var key in this._) ++size; + return size; + } + function d3_map_empty() { + for (var key in this._) return false; + return true; + } + d3.nest = function() { + var nest = {}, keys = [], sortKeys = [], sortValues, rollup; + function map(mapType, array, depth) { + if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; + var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values; + while (++i < n) { + if (values = valuesByKey.get(keyValue = key(object = array[i]))) { + values.push(object); + } else { + valuesByKey.set(keyValue, [ object ]); + } + } + if (mapType) { + object = mapType(); + setter = function(keyValue, values) { + object.set(keyValue, map(mapType, values, depth)); + }; + } else { + object = {}; + setter = function(keyValue, values) { + object[keyValue] = map(mapType, values, depth); + }; + } + valuesByKey.forEach(setter); + return object; + } + function entries(map, depth) { + if (depth >= keys.length) return map; + var array = [], sortKey = sortKeys[depth++]; + map.forEach(function(key, keyMap) { + array.push({ + key: key, + values: entries(keyMap, depth) + }); + }); + return sortKey ? array.sort(function(a, b) { + return sortKey(a.key, b.key); + }) : array; + } + nest.map = function(array, mapType) { + return map(mapType, array, 0); + }; + nest.entries = function(array) { + return entries(map(d3.map, array, 0), 0); + }; + nest.key = function(d) { + keys.push(d); + return nest; + }; + nest.sortKeys = function(order) { + sortKeys[keys.length - 1] = order; + return nest; + }; + nest.sortValues = function(order) { + sortValues = order; + return nest; + }; + nest.rollup = function(f) { + rollup = f; + return nest; + }; + return nest; + }; + d3.set = function(array) { + var set = new d3_Set(); + if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]); + return set; + }; + function d3_Set() { + this._ = Object.create(null); + } + d3_class(d3_Set, { + has: d3_map_has, + add: function(key) { + this._[d3_map_escape(key += "")] = true; + return key; + }, + remove: d3_map_remove, + values: d3_map_keys, + size: d3_map_size, + empty: d3_map_empty, + forEach: function(f) { + for (var key in this._) f.call(this, d3_map_unescape(key)); + } + }); + d3.behavior = {}; + function d3_identity(d) { + return d; + } + d3.rebind = function(target, source) { + var i = 1, n = arguments.length, method; + while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); + return target; + }; + function d3_rebind(target, source, method) { + return function() { + var value = method.apply(source, arguments); + return value === source ? target : value; + }; + } + function d3_vendorSymbol(object, name) { + if (name in object) return name; + name = name.charAt(0).toUpperCase() + name.slice(1); + for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { + var prefixName = d3_vendorPrefixes[i] + name; + if (prefixName in object) return prefixName; + } + } + var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; + function d3_noop() {} + d3.dispatch = function() { + var dispatch = new d3_dispatch(), i = -1, n = arguments.length; + while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); + return dispatch; + }; + function d3_dispatch() {} + d3_dispatch.prototype.on = function(type, listener) { + var i = type.indexOf("."), name = ""; + if (i >= 0) { + name = type.slice(i + 1); + type = type.slice(0, i); + } + if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); + if (arguments.length === 2) { + if (listener == null) for (type in this) { + if (this.hasOwnProperty(type)) this[type].on(name, null); + } + return this; + } + }; + function d3_dispatch_event(dispatch) { + var listeners = [], listenerByName = new d3_Map(); + function event() { + var z = listeners, i = -1, n = z.length, l; + while (++i < n) if (l = z[i].on) l.apply(this, arguments); + return dispatch; + } + event.on = function(name, listener) { + var l = listenerByName.get(name), i; + if (arguments.length < 2) return l && l.on; + if (l) { + l.on = null; + listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); + listenerByName.remove(name); + } + if (listener) listeners.push(listenerByName.set(name, { + on: listener + })); + return dispatch; + }; + return event; + } + d3.event = null; + function d3_eventPreventDefault() { + d3.event.preventDefault(); + } + function d3_eventSource() { + var e = d3.event, s; + while (s = e.sourceEvent) e = s; + return e; + } + function d3_eventDispatch(target) { + var dispatch = new d3_dispatch(), i = 0, n = arguments.length; + while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); + dispatch.of = function(thiz, argumentz) { + return function(e1) { + try { + var e0 = e1.sourceEvent = d3.event; + e1.target = target; + d3.event = e1; + dispatch[e1.type].apply(thiz, argumentz); + } finally { + d3.event = e0; + } + }; + }; + return dispatch; + } + d3.requote = function(s) { + return s.replace(d3_requote_re, "\\$&"); + }; + var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; + var d3_subclass = {}.__proto__ ? function(object, prototype) { + object.__proto__ = prototype; + } : function(object, prototype) { + for (var property in prototype) object[property] = prototype[property]; + }; + function d3_selection(groups) { + d3_subclass(groups, d3_selectionPrototype); + return groups; + } + var d3_select = function(s, n) { + return n.querySelector(s); + }, d3_selectAll = function(s, n) { + return n.querySelectorAll(s); + }, d3_selectMatches = function(n, s) { + var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")]; + d3_selectMatches = function(n, s) { + return d3_selectMatcher.call(n, s); + }; + return d3_selectMatches(n, s); + }; + if (typeof Sizzle === "function") { + d3_select = function(s, n) { + return Sizzle(s, n)[0] || null; + }; + d3_selectAll = Sizzle; + d3_selectMatches = Sizzle.matchesSelector; + } + d3.selection = function() { + return d3.select(d3_document.documentElement); + }; + var d3_selectionPrototype = d3.selection.prototype = []; + d3_selectionPrototype.select = function(selector) { + var subgroups = [], subgroup, subnode, group, node; + selector = d3_selection_selector(selector); + for (var j = -1, m = this.length; ++j < m; ) { + subgroups.push(subgroup = []); + subgroup.parentNode = (group = this[j]).parentNode; + for (var i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + subgroup.push(subnode = selector.call(node, node.__data__, i, j)); + if (subnode && "__data__" in node) subnode.__data__ = node.__data__; + } else { + subgroup.push(null); + } + } + } + return d3_selection(subgroups); + }; + function d3_selection_selector(selector) { + return typeof selector === "function" ? selector : function() { + return d3_select(selector, this); + }; + } + d3_selectionPrototype.selectAll = function(selector) { + var subgroups = [], subgroup, node; + selector = d3_selection_selectorAll(selector); + for (var j = -1, m = this.length; ++j < m; ) { + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j))); + subgroup.parentNode = node; + } + } + } + return d3_selection(subgroups); + }; + function d3_selection_selectorAll(selector) { + return typeof selector === "function" ? selector : function() { + return d3_selectAll(selector, this); + }; + } + var d3_nsXhtml = "http://www.w3.org/1999/xhtml"; + var d3_nsPrefix = { + svg: "http://www.w3.org/2000/svg", + xhtml: d3_nsXhtml, + xlink: "http://www.w3.org/1999/xlink", + xml: "http://www.w3.org/XML/1998/namespace", + xmlns: "http://www.w3.org/2000/xmlns/" + }; + d3.ns = { + prefix: d3_nsPrefix, + qualify: function(name) { + var i = name.indexOf(":"), prefix = name; + if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); + return d3_nsPrefix.hasOwnProperty(prefix) ? { + space: d3_nsPrefix[prefix], + local: name + } : name; + } + }; + d3_selectionPrototype.attr = function(name, value) { + if (arguments.length < 2) { + if (typeof name === "string") { + var node = this.node(); + name = d3.ns.qualify(name); + return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); + } + for (value in name) this.each(d3_selection_attr(value, name[value])); + return this; + } + return this.each(d3_selection_attr(name, value)); + }; + function d3_selection_attr(name, value) { + name = d3.ns.qualify(name); + function attrNull() { + this.removeAttribute(name); + } + function attrNullNS() { + this.removeAttributeNS(name.space, name.local); + } + function attrConstant() { + this.setAttribute(name, value); + } + function attrConstantNS() { + this.setAttributeNS(name.space, name.local, value); + } + function attrFunction() { + var x = value.apply(this, arguments); + if (x == null) this.removeAttribute(name); else this.setAttribute(name, x); + } + function attrFunctionNS() { + var x = value.apply(this, arguments); + if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x); + } + return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; + } + function d3_collapse(s) { + return s.trim().replace(/\s+/g, " "); + } + d3_selectionPrototype.classed = function(name, value) { + if (arguments.length < 2) { + if (typeof name === "string") { + var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1; + if (value = node.classList) { + while (++i < n) if (!value.contains(name[i])) return false; + } else { + value = node.getAttribute("class"); + while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; + } + return true; + } + for (value in name) this.each(d3_selection_classed(value, name[value])); + return this; + } + return this.each(d3_selection_classed(name, value)); + }; + function d3_selection_classedRe(name) { + return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); + } + function d3_selection_classes(name) { + return (name + "").trim().split(/^|\s+/); + } + function d3_selection_classed(name, value) { + name = d3_selection_classes(name).map(d3_selection_classedName); + var n = name.length; + function classedConstant() { + var i = -1; + while (++i < n) name[i](this, value); + } + function classedFunction() { + var i = -1, x = value.apply(this, arguments); + while (++i < n) name[i](this, x); + } + return typeof value === "function" ? classedFunction : classedConstant; + } + function d3_selection_classedName(name) { + var re = d3_selection_classedRe(name); + return function(node, value) { + if (c = node.classList) return value ? c.add(name) : c.remove(name); + var c = node.getAttribute("class") || ""; + if (value) { + re.lastIndex = 0; + if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); + } else { + node.setAttribute("class", d3_collapse(c.replace(re, " "))); + } + }; + } + d3_selectionPrototype.style = function(name, value, priority) { + var n = arguments.length; + if (n < 3) { + if (typeof name !== "string") { + if (n < 2) value = ""; + for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); + return this; + } + if (n < 2) { + var node = this.node(); + return d3_window(node).getComputedStyle(node, null).getPropertyValue(name); + } + priority = ""; + } + return this.each(d3_selection_style(name, value, priority)); + }; + function d3_selection_style(name, value, priority) { + function styleNull() { + this.style.removeProperty(name); + } + function styleConstant() { + this.style.setProperty(name, value, priority); + } + function styleFunction() { + var x = value.apply(this, arguments); + if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority); + } + return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; + } + d3_selectionPrototype.property = function(name, value) { + if (arguments.length < 2) { + if (typeof name === "string") return this.node()[name]; + for (value in name) this.each(d3_selection_property(value, name[value])); + return this; + } + return this.each(d3_selection_property(name, value)); + }; + function d3_selection_property(name, value) { + function propertyNull() { + delete this[name]; + } + function propertyConstant() { + this[name] = value; + } + function propertyFunction() { + var x = value.apply(this, arguments); + if (x == null) delete this[name]; else this[name] = x; + } + return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; + } + d3_selectionPrototype.text = function(value) { + return arguments.length ? this.each(typeof value === "function" ? function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + } : value == null ? function() { + this.textContent = ""; + } : function() { + this.textContent = value; + }) : this.node().textContent; + }; + d3_selectionPrototype.html = function(value) { + return arguments.length ? this.each(typeof value === "function" ? function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + } : value == null ? function() { + this.innerHTML = ""; + } : function() { + this.innerHTML = value; + }) : this.node().innerHTML; + }; + d3_selectionPrototype.append = function(name) { + name = d3_selection_creator(name); + return this.select(function() { + return this.appendChild(name.apply(this, arguments)); + }); + }; + function d3_selection_creator(name) { + function create() { + var document = this.ownerDocument, namespace = this.namespaceURI; + return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); + } + function createNS() { + return this.ownerDocument.createElementNS(name.space, name.local); + } + return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create; + } + d3_selectionPrototype.insert = function(name, before) { + name = d3_selection_creator(name); + before = d3_selection_selector(before); + return this.select(function() { + return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); + }); + }; + d3_selectionPrototype.remove = function() { + return this.each(d3_selectionRemove); + }; + function d3_selectionRemove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); + } + d3_selectionPrototype.data = function(value, key) { + var i = -1, n = this.length, group, node; + if (!arguments.length) { + value = new Array(n = (group = this[0]).length); + while (++i < n) { + if (node = group[i]) { + value[i] = node.__data__; + } + } + return value; + } + function bind(group, groupData) { + var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; + if (key) { + var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; + for (i = -1; ++i < n; ) { + if (node = group[i]) { + if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) { + exitNodes[i] = node; + } else { + nodeByKeyValue.set(keyValue, node); + } + keyValues[i] = keyValue; + } + } + for (i = -1; ++i < m; ) { + if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { + enterNodes[i] = d3_selection_dataNode(nodeData); + } else if (node !== true) { + updateNodes[i] = node; + node.__data__ = nodeData; + } + nodeByKeyValue.set(keyValue, true); + } + for (i = -1; ++i < n; ) { + if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) { + exitNodes[i] = group[i]; + } + } + } else { + for (i = -1; ++i < n0; ) { + node = group[i]; + nodeData = groupData[i]; + if (node) { + node.__data__ = nodeData; + updateNodes[i] = node; + } else { + enterNodes[i] = d3_selection_dataNode(nodeData); + } + } + for (;i < m; ++i) { + enterNodes[i] = d3_selection_dataNode(groupData[i]); + } + for (;i < n; ++i) { + exitNodes[i] = group[i]; + } + } + enterNodes.update = updateNodes; + enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; + enter.push(enterNodes); + update.push(updateNodes); + exit.push(exitNodes); + } + var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); + if (typeof value === "function") { + while (++i < n) { + bind(group = this[i], value.call(group, group.parentNode.__data__, i)); + } + } else { + while (++i < n) { + bind(group = this[i], value); + } + } + update.enter = function() { + return enter; + }; + update.exit = function() { + return exit; + }; + return update; + }; + function d3_selection_dataNode(data) { + return { + __data__: data + }; + } + d3_selectionPrototype.datum = function(value) { + return arguments.length ? this.property("__data__", value) : this.property("__data__"); + }; + d3_selectionPrototype.filter = function(filter) { + var subgroups = [], subgroup, group, node; + if (typeof filter !== "function") filter = d3_selection_filter(filter); + for (var j = 0, m = this.length; j < m; j++) { + subgroups.push(subgroup = []); + subgroup.parentNode = (group = this[j]).parentNode; + for (var i = 0, n = group.length; i < n; i++) { + if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { + subgroup.push(node); + } + } + } + return d3_selection(subgroups); + }; + function d3_selection_filter(selector) { + return function() { + return d3_selectMatches(this, selector); + }; + } + d3_selectionPrototype.order = function() { + for (var j = -1, m = this.length; ++j < m; ) { + for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) { + if (node = group[i]) { + if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); + next = node; + } + } + } + return this; + }; + d3_selectionPrototype.sort = function(comparator) { + comparator = d3_selection_sortComparator.apply(this, arguments); + for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator); + return this.order(); + }; + function d3_selection_sortComparator(comparator) { + if (!arguments.length) comparator = d3_ascending; + return function(a, b) { + return a && b ? comparator(a.__data__, b.__data__) : !a - !b; + }; + } + d3_selectionPrototype.each = function(callback) { + return d3_selection_each(this, function(node, i, j) { + callback.call(node, node.__data__, i, j); + }); + }; + function d3_selection_each(groups, callback) { + for (var j = 0, m = groups.length; j < m; j++) { + for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { + if (node = group[i]) callback(node, i, j); + } + } + return groups; + } + d3_selectionPrototype.call = function(callback) { + var args = d3_array(arguments); + callback.apply(args[0] = this, args); + return this; + }; + d3_selectionPrototype.empty = function() { + return !this.node(); + }; + d3_selectionPrototype.node = function() { + for (var j = 0, m = this.length; j < m; j++) { + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + var node = group[i]; + if (node) return node; + } + } + return null; + }; + d3_selectionPrototype.size = function() { + var n = 0; + d3_selection_each(this, function() { + ++n; + }); + return n; + }; + function d3_selection_enter(selection) { + d3_subclass(selection, d3_selection_enterPrototype); + return selection; + } + var d3_selection_enterPrototype = []; + d3.selection.enter = d3_selection_enter; + d3.selection.enter.prototype = d3_selection_enterPrototype; + d3_selection_enterPrototype.append = d3_selectionPrototype.append; + d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; + d3_selection_enterPrototype.node = d3_selectionPrototype.node; + d3_selection_enterPrototype.call = d3_selectionPrototype.call; + d3_selection_enterPrototype.size = d3_selectionPrototype.size; + d3_selection_enterPrototype.select = function(selector) { + var subgroups = [], subgroup, subnode, upgroup, group, node; + for (var j = -1, m = this.length; ++j < m; ) { + upgroup = (group = this[j]).update; + subgroups.push(subgroup = []); + subgroup.parentNode = group.parentNode; + for (var i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j)); + subnode.__data__ = node.__data__; + } else { + subgroup.push(null); + } + } + } + return d3_selection(subgroups); + }; + d3_selection_enterPrototype.insert = function(name, before) { + if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); + return d3_selectionPrototype.insert.call(this, name, before); + }; + function d3_selection_enterInsertBefore(enter) { + var i0, j0; + return function(d, i, j) { + var group = enter[j].update, n = group.length, node; + if (j != j0) j0 = j, i0 = 0; + if (i >= i0) i0 = i + 1; + while (!(node = group[i0]) && ++i0 < n) ; + return node; + }; + } + d3.select = function(node) { + var group; + if (typeof node === "string") { + group = [ d3_select(node, d3_document) ]; + group.parentNode = d3_document.documentElement; + } else { + group = [ node ]; + group.parentNode = d3_documentElement(node); + } + return d3_selection([ group ]); + }; + d3.selectAll = function(nodes) { + var group; + if (typeof nodes === "string") { + group = d3_array(d3_selectAll(nodes, d3_document)); + group.parentNode = d3_document.documentElement; + } else { + group = d3_array(nodes); + group.parentNode = null; + } + return d3_selection([ group ]); + }; + d3_selectionPrototype.on = function(type, listener, capture) { + var n = arguments.length; + if (n < 3) { + if (typeof type !== "string") { + if (n < 2) listener = false; + for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); + return this; + } + if (n < 2) return (n = this.node()["__on" + type]) && n._; + capture = false; + } + return this.each(d3_selection_on(type, listener, capture)); + }; + function d3_selection_on(type, listener, capture) { + var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; + if (i > 0) type = type.slice(0, i); + var filter = d3_selection_onFilters.get(type); + if (filter) type = filter, wrap = d3_selection_onFilter; + function onRemove() { + var l = this[name]; + if (l) { + this.removeEventListener(type, l, l.$); + delete this[name]; + } + } + function onAdd() { + var l = wrap(listener, d3_array(arguments)); + onRemove.call(this); + this.addEventListener(type, this[name] = l, l.$ = capture); + l._ = listener; + } + function removeAll() { + var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; + for (var name in this) { + if (match = name.match(re)) { + var l = this[name]; + this.removeEventListener(match[1], l, l.$); + delete this[name]; + } + } + } + return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; + } + var d3_selection_onFilters = d3.map({ + mouseenter: "mouseover", + mouseleave: "mouseout" + }); + if (d3_document) { + d3_selection_onFilters.forEach(function(k) { + if ("on" + k in d3_document) d3_selection_onFilters.remove(k); + }); + } + function d3_selection_onListener(listener, argumentz) { + return function(e) { + var o = d3.event; + d3.event = e; + argumentz[0] = this.__data__; + try { + listener.apply(this, argumentz); + } finally { + d3.event = o; + } + }; + } + function d3_selection_onFilter(listener, argumentz) { + var l = d3_selection_onListener(listener, argumentz); + return function(e) { + var target = this, related = e.relatedTarget; + if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { + l.call(target, e); + } + }; + } + var d3_event_dragSelect, d3_event_dragId = 0; + function d3_event_dragSuppress(node) { + var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); + if (d3_event_dragSelect == null) { + d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect"); + } + if (d3_event_dragSelect) { + var style = d3_documentElement(node).style, select = style[d3_event_dragSelect]; + style[d3_event_dragSelect] = "none"; + } + return function(suppressClick) { + w.on(name, null); + if (d3_event_dragSelect) style[d3_event_dragSelect] = select; + if (suppressClick) { + var off = function() { + w.on(click, null); + }; + w.on(click, function() { + d3_eventPreventDefault(); + off(); + }, true); + setTimeout(off, 0); + } + }; + } + d3.mouse = function(container) { + return d3_mousePoint(container, d3_eventSource()); + }; + var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0; + function d3_mousePoint(container, e) { + if (e.changedTouches) e = e.changedTouches[0]; + var svg = container.ownerSVGElement || container; + if (svg.createSVGPoint) { + var point = svg.createSVGPoint(); + if (d3_mouse_bug44083 < 0) { + var window = d3_window(container); + if (window.scrollX || window.scrollY) { + svg = d3.select("body").append("svg").style({ + position: "absolute", + top: 0, + left: 0, + margin: 0, + padding: 0, + border: "none" + }, "important"); + var ctm = svg[0][0].getScreenCTM(); + d3_mouse_bug44083 = !(ctm.f || ctm.e); + svg.remove(); + } + } + if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, + point.y = e.clientY; + point = point.matrixTransform(container.getScreenCTM().inverse()); + return [ point.x, point.y ]; + } + var rect = container.getBoundingClientRect(); + return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; + } + d3.touch = function(container, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; + if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return d3_mousePoint(container, touch); + } + } + }; + d3.behavior.drag = function() { + var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend"); + function drag() { + this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); + } + function dragstart(id, position, subject, move, end) { + return function() { + var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); + if (origin) { + dragOffset = origin.apply(that, arguments); + dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; + } else { + dragOffset = [ 0, 0 ]; + } + dispatch({ + type: "dragstart" + }); + function moved() { + var position1 = position(parent, dragId), dx, dy; + if (!position1) return; + dx = position1[0] - position0[0]; + dy = position1[1] - position0[1]; + dragged |= dx | dy; + position0 = position1; + dispatch({ + type: "drag", + x: position1[0] + dragOffset[0], + y: position1[1] + dragOffset[1], + dx: dx, + dy: dy + }); + } + function ended() { + if (!position(parent, dragId)) return; + dragSubject.on(move + dragName, null).on(end + dragName, null); + dragRestore(dragged); + dispatch({ + type: "dragend" + }); + } + }; + } + drag.origin = function(x) { + if (!arguments.length) return origin; + origin = x; + return drag; + }; + return d3.rebind(drag, event, "on"); + }; + function d3_behavior_dragTouchId() { + return d3.event.changedTouches[0].identifier; + } + d3.touches = function(container, touches) { + if (arguments.length < 2) touches = d3_eventSource().touches; + return touches ? d3_array(touches).map(function(touch) { + var point = d3_mousePoint(container, touch); + point.identifier = touch.identifier; + return point; + }) : []; + }; + var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π; + function d3_sgn(x) { + return x > 0 ? 1 : x < 0 ? -1 : 0; + } + function d3_cross2d(a, b, c) { + return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); + } + function d3_acos(x) { + return x > 1 ? 0 : x < -1 ? π : Math.acos(x); + } + function d3_asin(x) { + return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); + } + function d3_sinh(x) { + return ((x = Math.exp(x)) - 1 / x) / 2; + } + function d3_cosh(x) { + return ((x = Math.exp(x)) + 1 / x) / 2; + } + function d3_tanh(x) { + return ((x = Math.exp(2 * x)) - 1) / (x + 1); + } + function d3_haversin(x) { + return (x = Math.sin(x / 2)) * x; + } + var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; + d3.interpolateZoom = function(p0, p1) { + var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; + if (d2 < ε2) { + S = Math.log(w1 / w0) / ρ; + i = function(t) { + return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; + }; + } else { + var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); + S = (r1 - r0) / ρ; + i = function(t) { + var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); + return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; + }; + } + i.duration = S * 1e3; + return i; + }; + d3.behavior.zoom = function() { + var view = { + x: 0, + y: 0, + k: 1 + }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; + if (!d3_behavior_zoomWheel) { + d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { + return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); + }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { + return d3.event.wheelDelta; + }, "mousewheel") : (d3_behavior_zoomDelta = function() { + return -d3.event.detail; + }, "MozMousePixelScroll"); + } + function zoom(g) { + g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); + } + zoom.event = function(g) { + g.each(function() { + var dispatch = event.of(this, arguments), view1 = view; + if (d3_transitionInheritId) { + d3.select(this).transition().each("start.zoom", function() { + view = this.__chart__ || { + x: 0, + y: 0, + k: 1 + }; + zoomstarted(dispatch); + }).tween("zoom:zoom", function() { + var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); + return function(t) { + var l = i(t), k = dx / l[2]; + this.__chart__ = view = { + x: cx - l[0] * k, + y: cy - l[1] * k, + k: k + }; + zoomed(dispatch); + }; + }).each("interrupt.zoom", function() { + zoomended(dispatch); + }).each("end.zoom", function() { + zoomended(dispatch); + }); + } else { + this.__chart__ = view; + zoomstarted(dispatch); + zoomed(dispatch); + zoomended(dispatch); + } + }); + }; + zoom.translate = function(_) { + if (!arguments.length) return [ view.x, view.y ]; + view = { + x: +_[0], + y: +_[1], + k: view.k + }; + rescale(); + return zoom; + }; + zoom.scale = function(_) { + if (!arguments.length) return view.k; + view = { + x: view.x, + y: view.y, + k: null + }; + scaleTo(+_); + rescale(); + return zoom; + }; + zoom.scaleExtent = function(_) { + if (!arguments.length) return scaleExtent; + scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; + return zoom; + }; + zoom.center = function(_) { + if (!arguments.length) return center; + center = _ && [ +_[0], +_[1] ]; + return zoom; + }; + zoom.size = function(_) { + if (!arguments.length) return size; + size = _ && [ +_[0], +_[1] ]; + return zoom; + }; + zoom.duration = function(_) { + if (!arguments.length) return duration; + duration = +_; + return zoom; + }; + zoom.x = function(z) { + if (!arguments.length) return x1; + x1 = z; + x0 = z.copy(); + view = { + x: 0, + y: 0, + k: 1 + }; + return zoom; + }; + zoom.y = function(z) { + if (!arguments.length) return y1; + y1 = z; + y0 = z.copy(); + view = { + x: 0, + y: 0, + k: 1 + }; + return zoom; + }; + function location(p) { + return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; + } + function point(l) { + return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; + } + function scaleTo(s) { + view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); + } + function translateTo(p, l) { + l = point(l); + view.x += p[0] - l[0]; + view.y += p[1] - l[1]; + } + function zoomTo(that, p, l, k) { + that.__chart__ = { + x: view.x, + y: view.y, + k: view.k + }; + scaleTo(Math.pow(2, k)); + translateTo(center0 = p, l); + that = d3.select(that); + if (duration > 0) that = that.transition().duration(duration); + that.call(zoom.event); + } + function rescale() { + if (x1) x1.domain(x0.range().map(function(x) { + return (x - view.x) / view.k; + }).map(x0.invert)); + if (y1) y1.domain(y0.range().map(function(y) { + return (y - view.y) / view.k; + }).map(y0.invert)); + } + function zoomstarted(dispatch) { + if (!zooming++) dispatch({ + type: "zoomstart" + }); + } + function zoomed(dispatch) { + rescale(); + dispatch({ + type: "zoom", + scale: view.k, + translate: [ view.x, view.y ] + }); + } + function zoomended(dispatch) { + if (!--zooming) dispatch({ + type: "zoomend" + }), center0 = null; + } + function mousedowned() { + var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); + d3_selection_interrupt.call(that); + zoomstarted(dispatch); + function moved() { + dragged = 1; + translateTo(d3.mouse(that), location0); + zoomed(dispatch); + } + function ended() { + subject.on(mousemove, null).on(mouseup, null); + dragRestore(dragged); + zoomended(dispatch); + } + } + function touchstarted() { + var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that); + started(); + zoomstarted(dispatch); + subject.on(mousedown, null).on(touchstart, started); + function relocate() { + var touches = d3.touches(that); + scale0 = view.k; + touches.forEach(function(t) { + if (t.identifier in locations0) locations0[t.identifier] = location(t); + }); + return touches; + } + function started() { + var target = d3.event.target; + d3.select(target).on(touchmove, moved).on(touchend, ended); + targets.push(target); + var changed = d3.event.changedTouches; + for (var i = 0, n = changed.length; i < n; ++i) { + locations0[changed[i].identifier] = null; + } + var touches = relocate(), now = Date.now(); + if (touches.length === 1) { + if (now - touchtime < 500) { + var p = touches[0]; + zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1); + d3_eventPreventDefault(); + } + touchtime = now; + } else if (touches.length > 1) { + var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; + distance0 = dx * dx + dy * dy; + } + } + function moved() { + var touches = d3.touches(that), p0, l0, p1, l1; + d3_selection_interrupt.call(that); + for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { + p1 = touches[i]; + if (l1 = locations0[p1.identifier]) { + if (l0) break; + p0 = p1, l0 = l1; + } + } + if (l1) { + var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); + p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; + l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; + scaleTo(scale1 * scale0); + } + touchtime = null; + translateTo(p0, l0); + zoomed(dispatch); + } + function ended() { + if (d3.event.touches.length) { + var changed = d3.event.changedTouches; + for (var i = 0, n = changed.length; i < n; ++i) { + delete locations0[changed[i].identifier]; + } + for (var identifier in locations0) { + return void relocate(); + } + } + d3.selectAll(targets).on(zoomName, null); + subject.on(mousedown, mousedowned).on(touchstart, touchstarted); + dragRestore(); + zoomended(dispatch); + } + } + function mousewheeled() { + var dispatch = event.of(this, arguments); + if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), + translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch); + mousewheelTimer = setTimeout(function() { + mousewheelTimer = null; + zoomended(dispatch); + }, 50); + d3_eventPreventDefault(); + scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); + translateTo(center0, translate0); + zoomed(dispatch); + } + function dblclicked() { + var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2; + zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1); + } + return d3.rebind(zoom, event, "on"); + }; + var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel; + d3.color = d3_color; + function d3_color() {} + d3_color.prototype.toString = function() { + return this.rgb() + ""; + }; + d3.hsl = d3_hsl; + function d3_hsl(h, s, l) { + return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l); + } + var d3_hslPrototype = d3_hsl.prototype = new d3_color(); + d3_hslPrototype.brighter = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + return new d3_hsl(this.h, this.s, this.l / k); + }; + d3_hslPrototype.darker = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + return new d3_hsl(this.h, this.s, k * this.l); + }; + d3_hslPrototype.rgb = function() { + return d3_hsl_rgb(this.h, this.s, this.l); + }; + function d3_hsl_rgb(h, s, l) { + var m1, m2; + h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; + s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; + l = l < 0 ? 0 : l > 1 ? 1 : l; + m2 = l <= .5 ? l * (1 + s) : l + s - l * s; + m1 = 2 * l - m2; + function v(h) { + if (h > 360) h -= 360; else if (h < 0) h += 360; + if (h < 60) return m1 + (m2 - m1) * h / 60; + if (h < 180) return m2; + if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; + return m1; + } + function vv(h) { + return Math.round(v(h) * 255); + } + return new d3_rgb(vv(h + 120), vv(h), vv(h - 120)); + } + d3.hcl = d3_hcl; + function d3_hcl(h, c, l) { + return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l); + } + var d3_hclPrototype = d3_hcl.prototype = new d3_color(); + d3_hclPrototype.brighter = function(k) { + return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); + }; + d3_hclPrototype.darker = function(k) { + return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); + }; + d3_hclPrototype.rgb = function() { + return d3_hcl_lab(this.h, this.c, this.l).rgb(); + }; + function d3_hcl_lab(h, c, l) { + if (isNaN(h)) h = 0; + if (isNaN(c)) c = 0; + return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); + } + d3.lab = d3_lab; + function d3_lab(l, a, b) { + return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b); + } + var d3_lab_K = 18; + var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; + var d3_labPrototype = d3_lab.prototype = new d3_color(); + d3_labPrototype.brighter = function(k) { + return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); + }; + d3_labPrototype.darker = function(k) { + return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); + }; + d3_labPrototype.rgb = function() { + return d3_lab_rgb(this.l, this.a, this.b); + }; + function d3_lab_rgb(l, a, b) { + var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; + x = d3_lab_xyz(x) * d3_lab_X; + y = d3_lab_xyz(y) * d3_lab_Y; + z = d3_lab_xyz(z) * d3_lab_Z; + return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z)); + } + function d3_lab_hcl(l, a, b) { + return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l); + } + function d3_lab_xyz(x) { + return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; + } + function d3_xyz_lab(x) { + return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; + } + function d3_xyz_rgb(r) { + return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); + } + d3.rgb = d3_rgb; + function d3_rgb(r, g, b) { + return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b); + } + function d3_rgbNumber(value) { + return new d3_rgb(value >> 16, value >> 8 & 255, value & 255); + } + function d3_rgbString(value) { + return d3_rgbNumber(value) + ""; + } + var d3_rgbPrototype = d3_rgb.prototype = new d3_color(); + d3_rgbPrototype.brighter = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + var r = this.r, g = this.g, b = this.b, i = 30; + if (!r && !g && !b) return new d3_rgb(i, i, i); + if (r && r < i) r = i; + if (g && g < i) g = i; + if (b && b < i) b = i; + return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k)); + }; + d3_rgbPrototype.darker = function(k) { + k = Math.pow(.7, arguments.length ? k : 1); + return new d3_rgb(k * this.r, k * this.g, k * this.b); + }; + d3_rgbPrototype.hsl = function() { + return d3_rgb_hsl(this.r, this.g, this.b); + }; + d3_rgbPrototype.toString = function() { + return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); + }; + function d3_rgb_hex(v) { + return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); + } + function d3_rgb_parse(format, rgb, hsl) { + var r = 0, g = 0, b = 0, m1, m2, color; + m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase()); + if (m1) { + m2 = m1[2].split(","); + switch (m1[1]) { + case "hsl": + { + return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); + } + + case "rgb": + { + return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); + } + } + } + if (color = d3_rgb_names.get(format)) { + return rgb(color.r, color.g, color.b); + } + if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) { + if (format.length === 4) { + r = (color & 3840) >> 4; + r = r >> 4 | r; + g = color & 240; + g = g >> 4 | g; + b = color & 15; + b = b << 4 | b; + } else if (format.length === 7) { + r = (color & 16711680) >> 16; + g = (color & 65280) >> 8; + b = color & 255; + } + } + return rgb(r, g, b); + } + function d3_rgb_hsl(r, g, b) { + var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2; + if (d) { + s = l < .5 ? d / (max + min) : d / (2 - max - min); + if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4; + h *= 60; + } else { + h = NaN; + s = l > 0 && l < 1 ? 0 : h; + } + return new d3_hsl(h, s, l); + } + function d3_rgb_lab(r, g, b) { + r = d3_rgb_xyz(r); + g = d3_rgb_xyz(g); + b = d3_rgb_xyz(b); + var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z); + return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); + } + function d3_rgb_xyz(r) { + return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); + } + function d3_rgb_parseNumber(c) { + var f = parseFloat(c); + return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; + } + var d3_rgb_names = d3.map({ + aliceblue: 15792383, + antiquewhite: 16444375, + aqua: 65535, + aquamarine: 8388564, + azure: 15794175, + beige: 16119260, + bisque: 16770244, + black: 0, + blanchedalmond: 16772045, + blue: 255, + blueviolet: 9055202, + brown: 10824234, + burlywood: 14596231, + cadetblue: 6266528, + chartreuse: 8388352, + chocolate: 13789470, + coral: 16744272, + cornflowerblue: 6591981, + cornsilk: 16775388, + crimson: 14423100, + cyan: 65535, + darkblue: 139, + darkcyan: 35723, + darkgoldenrod: 12092939, + darkgray: 11119017, + darkgreen: 25600, + darkgrey: 11119017, + darkkhaki: 12433259, + darkmagenta: 9109643, + darkolivegreen: 5597999, + darkorange: 16747520, + darkorchid: 10040012, + darkred: 9109504, + darksalmon: 15308410, + darkseagreen: 9419919, + darkslateblue: 4734347, + darkslategray: 3100495, + darkslategrey: 3100495, + darkturquoise: 52945, + darkviolet: 9699539, + deeppink: 16716947, + deepskyblue: 49151, + dimgray: 6908265, + dimgrey: 6908265, + dodgerblue: 2003199, + firebrick: 11674146, + floralwhite: 16775920, + forestgreen: 2263842, + fuchsia: 16711935, + gainsboro: 14474460, + ghostwhite: 16316671, + gold: 16766720, + goldenrod: 14329120, + gray: 8421504, + green: 32768, + greenyellow: 11403055, + grey: 8421504, + honeydew: 15794160, + hotpink: 16738740, + indianred: 13458524, + indigo: 4915330, + ivory: 16777200, + khaki: 15787660, + lavender: 15132410, + lavenderblush: 16773365, + lawngreen: 8190976, + lemonchiffon: 16775885, + lightblue: 11393254, + lightcoral: 15761536, + lightcyan: 14745599, + lightgoldenrodyellow: 16448210, + lightgray: 13882323, + lightgreen: 9498256, + lightgrey: 13882323, + lightpink: 16758465, + lightsalmon: 16752762, + lightseagreen: 2142890, + lightskyblue: 8900346, + lightslategray: 7833753, + lightslategrey: 7833753, + lightsteelblue: 11584734, + lightyellow: 16777184, + lime: 65280, + limegreen: 3329330, + linen: 16445670, + magenta: 16711935, + maroon: 8388608, + mediumaquamarine: 6737322, + mediumblue: 205, + mediumorchid: 12211667, + mediumpurple: 9662683, + mediumseagreen: 3978097, + mediumslateblue: 8087790, + mediumspringgreen: 64154, + mediumturquoise: 4772300, + mediumvioletred: 13047173, + midnightblue: 1644912, + mintcream: 16121850, + mistyrose: 16770273, + moccasin: 16770229, + navajowhite: 16768685, + navy: 128, + oldlace: 16643558, + olive: 8421376, + olivedrab: 7048739, + orange: 16753920, + orangered: 16729344, + orchid: 14315734, + palegoldenrod: 15657130, + palegreen: 10025880, + paleturquoise: 11529966, + palevioletred: 14381203, + papayawhip: 16773077, + peachpuff: 16767673, + peru: 13468991, + pink: 16761035, + plum: 14524637, + powderblue: 11591910, + purple: 8388736, + rebeccapurple: 6697881, + red: 16711680, + rosybrown: 12357519, + royalblue: 4286945, + saddlebrown: 9127187, + salmon: 16416882, + sandybrown: 16032864, + seagreen: 3050327, + seashell: 16774638, + sienna: 10506797, + silver: 12632256, + skyblue: 8900331, + slateblue: 6970061, + slategray: 7372944, + slategrey: 7372944, + snow: 16775930, + springgreen: 65407, + steelblue: 4620980, + tan: 13808780, + teal: 32896, + thistle: 14204888, + tomato: 16737095, + turquoise: 4251856, + violet: 15631086, + wheat: 16113331, + white: 16777215, + whitesmoke: 16119285, + yellow: 16776960, + yellowgreen: 10145074 + }); + d3_rgb_names.forEach(function(key, value) { + d3_rgb_names.set(key, d3_rgbNumber(value)); + }); + function d3_functor(v) { + return typeof v === "function" ? v : function() { + return v; + }; + } + d3.functor = d3_functor; + d3.xhr = d3_xhrType(d3_identity); + function d3_xhrType(response) { + return function(url, mimeType, callback) { + if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, + mimeType = null; + return d3_xhr(url, mimeType, response, callback); + }; + } + function d3_xhr(url, mimeType, response, callback) { + var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; + if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); + "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { + request.readyState > 3 && respond(); + }; + function respond() { + var status = request.status, result; + if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) { + try { + result = response.call(xhr, request); + } catch (e) { + dispatch.error.call(xhr, e); + return; + } + dispatch.load.call(xhr, result); + } else { + dispatch.error.call(xhr, request); + } + } + request.onprogress = function(event) { + var o = d3.event; + d3.event = event; + try { + dispatch.progress.call(xhr, request); + } finally { + d3.event = o; + } + }; + xhr.header = function(name, value) { + name = (name + "").toLowerCase(); + if (arguments.length < 2) return headers[name]; + if (value == null) delete headers[name]; else headers[name] = value + ""; + return xhr; + }; + xhr.mimeType = function(value) { + if (!arguments.length) return mimeType; + mimeType = value == null ? null : value + ""; + return xhr; + }; + xhr.responseType = function(value) { + if (!arguments.length) return responseType; + responseType = value; + return xhr; + }; + xhr.response = function(value) { + response = value; + return xhr; + }; + [ "get", "post" ].forEach(function(method) { + xhr[method] = function() { + return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); + }; + }); + xhr.send = function(method, data, callback) { + if (arguments.length === 2 && typeof data === "function") callback = data, data = null; + request.open(method, url, true); + if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; + if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); + if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); + if (responseType != null) request.responseType = responseType; + if (callback != null) xhr.on("error", callback).on("load", function(request) { + callback(null, request); + }); + dispatch.beforesend.call(xhr, request); + request.send(data == null ? null : data); + return xhr; + }; + xhr.abort = function() { + request.abort(); + return xhr; + }; + d3.rebind(xhr, dispatch, "on"); + return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); + } + function d3_xhr_fixCallback(callback) { + return callback.length === 1 ? function(error, request) { + callback(error == null ? request : null); + } : callback; + } + function d3_xhrHasResponse(request) { + var type = request.responseType; + return type && type !== "text" ? request.response : request.responseText; + } + d3.dsv = function(delimiter, mimeType) { + var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); + function dsv(url, row, callback) { + if (arguments.length < 3) callback = row, row = null; + var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback); + xhr.row = function(_) { + return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; + }; + return xhr; + } + function response(request) { + return dsv.parse(request.responseText); + } + function typedResponse(f) { + return function(request) { + return dsv.parse(request.responseText, f); + }; + } + dsv.parse = function(text, f) { + var o; + return dsv.parseRows(text, function(row, i) { + if (o) return o(row, i - 1); + var a = new Function("d", "return {" + row.map(function(name, i) { + return JSON.stringify(name) + ": d[" + i + "]"; + }).join(",") + "}"); + o = f ? function(row, i) { + return f(a(row), i); + } : a; + }); + }; + dsv.parseRows = function(text, f) { + var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; + function token() { + if (I >= N) return EOF; + if (eol) return eol = false, EOL; + var j = I; + if (text.charCodeAt(j) === 34) { + var i = j; + while (i++ < N) { + if (text.charCodeAt(i) === 34) { + if (text.charCodeAt(i + 1) !== 34) break; + ++i; + } + } + I = i + 2; + var c = text.charCodeAt(i + 1); + if (c === 13) { + eol = true; + if (text.charCodeAt(i + 2) === 10) ++I; + } else if (c === 10) { + eol = true; + } + return text.slice(j + 1, i).replace(/""/g, '"'); + } + while (I < N) { + var c = text.charCodeAt(I++), k = 1; + if (c === 10) eol = true; else if (c === 13) { + eol = true; + if (text.charCodeAt(I) === 10) ++I, ++k; + } else if (c !== delimiterCode) continue; + return text.slice(j, I - k); + } + return text.slice(j); + } + while ((t = token()) !== EOF) { + var a = []; + while (t !== EOL && t !== EOF) { + a.push(t); + t = token(); + } + if (f && (a = f(a, n++)) == null) continue; + rows.push(a); + } + return rows; + }; + dsv.format = function(rows) { + if (Array.isArray(rows[0])) return dsv.formatRows(rows); + var fieldSet = new d3_Set(), fields = []; + rows.forEach(function(row) { + for (var field in row) { + if (!fieldSet.has(field)) { + fields.push(fieldSet.add(field)); + } + } + }); + return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { + return fields.map(function(field) { + return formatValue(row[field]); + }).join(delimiter); + })).join("\n"); + }; + dsv.formatRows = function(rows) { + return rows.map(formatRow).join("\n"); + }; + function formatRow(row) { + return row.map(formatValue).join(delimiter); + } + function formatValue(text) { + return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; + } + return dsv; + }; + d3.csv = d3.dsv(",", "text/csv"); + d3.tsv = d3.dsv(" ", "text/tab-separated-values"); + var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { + setTimeout(callback, 17); + }; + d3.timer = function() { + d3_timer.apply(this, arguments); + }; + function d3_timer(callback, delay, then) { + var n = arguments.length; + if (n < 2) delay = 0; + if (n < 3) then = Date.now(); + var time = then + delay, timer = { + c: callback, + t: time, + n: null + }; + if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; + d3_timer_queueTail = timer; + if (!d3_timer_interval) { + d3_timer_timeout = clearTimeout(d3_timer_timeout); + d3_timer_interval = 1; + d3_timer_frame(d3_timer_step); + } + return timer; + } + function d3_timer_step() { + var now = d3_timer_mark(), delay = d3_timer_sweep() - now; + if (delay > 24) { + if (isFinite(delay)) { + clearTimeout(d3_timer_timeout); + d3_timer_timeout = setTimeout(d3_timer_step, delay); + } + d3_timer_interval = 0; + } else { + d3_timer_interval = 1; + d3_timer_frame(d3_timer_step); + } + } + d3.timer.flush = function() { + d3_timer_mark(); + d3_timer_sweep(); + }; + function d3_timer_mark() { + var now = Date.now(), timer = d3_timer_queueHead; + while (timer) { + if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; + timer = timer.n; + } + return now; + } + function d3_timer_sweep() { + var t0, t1 = d3_timer_queueHead, time = Infinity; + while (t1) { + if (t1.c) { + if (t1.t < time) time = t1.t; + t1 = (t0 = t1).n; + } else { + t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; + } + } + d3_timer_queueTail = t0; + return time; + } + function d3_format_precision(x, p) { + return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); + } + d3.round = function(x, n) { + return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); + }; + var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); + d3.formatPrefix = function(value, precision) { + var i = 0; + if (value = +value) { + if (value < 0) value *= -1; + if (precision) value = d3.round(value, d3_format_precision(value, precision)); + i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); + i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3)); + } + return d3_formatPrefixes[8 + i / 3]; + }; + function d3_formatPrefix(d, i) { + var k = Math.pow(10, abs(8 - i) * 3); + return { + scale: i > 8 ? function(d) { + return d / k; + } : function(d) { + return d * k; + }, + symbol: d + }; + } + function d3_locale_numberFormat(locale) { + var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) { + var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0; + while (i > 0 && g > 0) { + if (length + g + 1 > width) g = Math.max(1, width - length); + t.push(value.substring(i -= g, i + g)); + if ((length += g + 1) > width) break; + g = locale_grouping[j = (j + 1) % locale_grouping.length]; + } + return t.reverse().join(locale_thousands); + } : d3_identity; + return function(specifier) { + var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true; + if (precision) precision = +precision.substring(1); + if (zfill || fill === "0" && align === "=") { + zfill = fill = "0"; + align = "="; + } + switch (type) { + case "n": + comma = true; + type = "g"; + break; + + case "%": + scale = 100; + suffix = "%"; + type = "f"; + break; + + case "p": + scale = 100; + suffix = "%"; + type = "r"; + break; + + case "b": + case "o": + case "x": + case "X": + if (symbol === "#") prefix = "0" + type.toLowerCase(); + + case "c": + exponent = false; + + case "d": + integer = true; + precision = 0; + break; + + case "s": + scale = -1; + type = "r"; + break; + } + if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; + if (type == "r" && !precision) type = "g"; + if (precision != null) { + if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); + } + type = d3_format_types.get(type) || d3_format_typeDefault; + var zcomma = zfill && comma; + return function(value) { + var fullSuffix = suffix; + if (integer && value % 1) return ""; + var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign; + if (scale < 0) { + var unit = d3.formatPrefix(value, precision); + value = unit.scale(value); + fullSuffix = unit.symbol + suffix; + } else { + value *= scale; + } + value = type(value, precision); + var i = value.lastIndexOf("."), before, after; + if (i < 0) { + var j = exponent ? value.lastIndexOf("e") : -1; + if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j); + } else { + before = value.substring(0, i); + after = locale_decimal + value.substring(i + 1); + } + if (!zfill && comma) before = formatGroup(before, Infinity); + var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; + if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity); + negative += prefix; + value = before + after; + return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; + }; + }; + } + var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; + var d3_format_types = d3.map({ + b: function(x) { + return x.toString(2); + }, + c: function(x) { + return String.fromCharCode(x); + }, + o: function(x) { + return x.toString(8); + }, + x: function(x) { + return x.toString(16); + }, + X: function(x) { + return x.toString(16).toUpperCase(); + }, + g: function(x, p) { + return x.toPrecision(p); + }, + e: function(x, p) { + return x.toExponential(p); + }, + f: function(x, p) { + return x.toFixed(p); + }, + r: function(x, p) { + return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); + } + }); + function d3_format_typeDefault(x) { + return x + ""; + } + var d3_time = d3.time = {}, d3_date = Date; + function d3_date_utc() { + this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); + } + d3_date_utc.prototype = { + getDate: function() { + return this._.getUTCDate(); + }, + getDay: function() { + return this._.getUTCDay(); + }, + getFullYear: function() { + return this._.getUTCFullYear(); + }, + getHours: function() { + return this._.getUTCHours(); + }, + getMilliseconds: function() { + return this._.getUTCMilliseconds(); + }, + getMinutes: function() { + return this._.getUTCMinutes(); + }, + getMonth: function() { + return this._.getUTCMonth(); + }, + getSeconds: function() { + return this._.getUTCSeconds(); + }, + getTime: function() { + return this._.getTime(); + }, + getTimezoneOffset: function() { + return 0; + }, + valueOf: function() { + return this._.valueOf(); + }, + setDate: function() { + d3_time_prototype.setUTCDate.apply(this._, arguments); + }, + setDay: function() { + d3_time_prototype.setUTCDay.apply(this._, arguments); + }, + setFullYear: function() { + d3_time_prototype.setUTCFullYear.apply(this._, arguments); + }, + setHours: function() { + d3_time_prototype.setUTCHours.apply(this._, arguments); + }, + setMilliseconds: function() { + d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); + }, + setMinutes: function() { + d3_time_prototype.setUTCMinutes.apply(this._, arguments); + }, + setMonth: function() { + d3_time_prototype.setUTCMonth.apply(this._, arguments); + }, + setSeconds: function() { + d3_time_prototype.setUTCSeconds.apply(this._, arguments); + }, + setTime: function() { + d3_time_prototype.setTime.apply(this._, arguments); + } + }; + var d3_time_prototype = Date.prototype; + function d3_time_interval(local, step, number) { + function round(date) { + var d0 = local(date), d1 = offset(d0, 1); + return date - d0 < d1 - date ? d0 : d1; + } + function ceil(date) { + step(date = local(new d3_date(date - 1)), 1); + return date; + } + function offset(date, k) { + step(date = new d3_date(+date), k); + return date; + } + function range(t0, t1, dt) { + var time = ceil(t0), times = []; + if (dt > 1) { + while (time < t1) { + if (!(number(time) % dt)) times.push(new Date(+time)); + step(time, 1); + } + } else { + while (time < t1) times.push(new Date(+time)), step(time, 1); + } + return times; + } + function range_utc(t0, t1, dt) { + try { + d3_date = d3_date_utc; + var utc = new d3_date_utc(); + utc._ = t0; + return range(utc, t1, dt); + } finally { + d3_date = Date; + } + } + local.floor = local; + local.round = round; + local.ceil = ceil; + local.offset = offset; + local.range = range; + var utc = local.utc = d3_time_interval_utc(local); + utc.floor = utc; + utc.round = d3_time_interval_utc(round); + utc.ceil = d3_time_interval_utc(ceil); + utc.offset = d3_time_interval_utc(offset); + utc.range = range_utc; + return local; + } + function d3_time_interval_utc(method) { + return function(date, k) { + try { + d3_date = d3_date_utc; + var utc = new d3_date_utc(); + utc._ = date; + return method(utc, k)._; + } finally { + d3_date = Date; + } + }; + } + d3_time.year = d3_time_interval(function(date) { + date = d3_time.day(date); + date.setMonth(0, 1); + return date; + }, function(date, offset) { + date.setFullYear(date.getFullYear() + offset); + }, function(date) { + return date.getFullYear(); + }); + d3_time.years = d3_time.year.range; + d3_time.years.utc = d3_time.year.utc.range; + d3_time.day = d3_time_interval(function(date) { + var day = new d3_date(2e3, 0); + day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); + return day; + }, function(date, offset) { + date.setDate(date.getDate() + offset); + }, function(date) { + return date.getDate() - 1; + }); + d3_time.days = d3_time.day.range; + d3_time.days.utc = d3_time.day.utc.range; + d3_time.dayOfYear = function(date) { + var year = d3_time.year(date); + return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); + }; + [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { + i = 7 - i; + var interval = d3_time[day] = d3_time_interval(function(date) { + (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); + return date; + }, function(date, offset) { + date.setDate(date.getDate() + Math.floor(offset) * 7); + }, function(date) { + var day = d3_time.year(date).getDay(); + return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); + }); + d3_time[day + "s"] = interval.range; + d3_time[day + "s"].utc = interval.utc.range; + d3_time[day + "OfYear"] = function(date) { + var day = d3_time.year(date).getDay(); + return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7); + }; + }); + d3_time.week = d3_time.sunday; + d3_time.weeks = d3_time.sunday.range; + d3_time.weeks.utc = d3_time.sunday.utc.range; + d3_time.weekOfYear = d3_time.sundayOfYear; + function d3_locale_timeFormat(locale) { + var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; + function d3_time_format(template) { + var n = template.length; + function format(date) { + var string = [], i = -1, j = 0, c, p, f; + while (++i < n) { + if (template.charCodeAt(i) === 37) { + string.push(template.slice(j, i)); + if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); + if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); + string.push(c); + j = i + 1; + } + } + string.push(template.slice(j, i)); + return string.join(""); + } + format.parse = function(string) { + var d = { + y: 1900, + m: 0, + d: 1, + H: 0, + M: 0, + S: 0, + L: 0, + Z: null + }, i = d3_time_parse(d, template, string, 0); + if (i != string.length) return null; + if ("p" in d) d.H = d.H % 12 + d.p * 12; + var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); + if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) { + if (!("w" in d)) d.w = "W" in d ? 1 : 0; + date.setFullYear(d.y, 0, 1); + date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); + } else date.setFullYear(d.y, d.m, d.d); + date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L); + return localZ ? date._ : date; + }; + format.toString = function() { + return template; + }; + return format; + } + function d3_time_parse(date, template, string, j) { + var c, p, t, i = 0, n = template.length, m = string.length; + while (i < n) { + if (j >= m) return -1; + c = template.charCodeAt(i++); + if (c === 37) { + t = template.charAt(i++); + p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; + if (!p || (j = p(date, string, j)) < 0) return -1; + } else if (c != string.charCodeAt(j++)) { + return -1; + } + } + return j; + } + d3_time_format.utc = function(template) { + var local = d3_time_format(template); + function format(date) { + try { + d3_date = d3_date_utc; + var utc = new d3_date(); + utc._ = date; + return local(utc); + } finally { + d3_date = Date; + } + } + format.parse = function(string) { + try { + d3_date = d3_date_utc; + var date = local.parse(string); + return date && date._; + } finally { + d3_date = Date; + } + }; + format.toString = local.toString; + return format; + }; + d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; + var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); + locale_periods.forEach(function(p, i) { + d3_time_periodLookup.set(p.toLowerCase(), i); + }); + var d3_time_formats = { + a: function(d) { + return locale_shortDays[d.getDay()]; + }, + A: function(d) { + return locale_days[d.getDay()]; + }, + b: function(d) { + return locale_shortMonths[d.getMonth()]; + }, + B: function(d) { + return locale_months[d.getMonth()]; + }, + c: d3_time_format(locale_dateTime), + d: function(d, p) { + return d3_time_formatPad(d.getDate(), p, 2); + }, + e: function(d, p) { + return d3_time_formatPad(d.getDate(), p, 2); + }, + H: function(d, p) { + return d3_time_formatPad(d.getHours(), p, 2); + }, + I: function(d, p) { + return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); + }, + j: function(d, p) { + return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3); + }, + L: function(d, p) { + return d3_time_formatPad(d.getMilliseconds(), p, 3); + }, + m: function(d, p) { + return d3_time_formatPad(d.getMonth() + 1, p, 2); + }, + M: function(d, p) { + return d3_time_formatPad(d.getMinutes(), p, 2); + }, + p: function(d) { + return locale_periods[+(d.getHours() >= 12)]; + }, + S: function(d, p) { + return d3_time_formatPad(d.getSeconds(), p, 2); + }, + U: function(d, p) { + return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2); + }, + w: function(d) { + return d.getDay(); + }, + W: function(d, p) { + return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2); + }, + x: d3_time_format(locale_date), + X: d3_time_format(locale_time), + y: function(d, p) { + return d3_time_formatPad(d.getFullYear() % 100, p, 2); + }, + Y: function(d, p) { + return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); + }, + Z: d3_time_zone, + "%": function() { + return "%"; + } + }; + var d3_time_parsers = { + a: d3_time_parseWeekdayAbbrev, + A: d3_time_parseWeekday, + b: d3_time_parseMonthAbbrev, + B: d3_time_parseMonth, + c: d3_time_parseLocaleFull, + d: d3_time_parseDay, + e: d3_time_parseDay, + H: d3_time_parseHour24, + I: d3_time_parseHour24, + j: d3_time_parseDayOfYear, + L: d3_time_parseMilliseconds, + m: d3_time_parseMonthNumber, + M: d3_time_parseMinutes, + p: d3_time_parseAmPm, + S: d3_time_parseSeconds, + U: d3_time_parseWeekNumberSunday, + w: d3_time_parseWeekdayNumber, + W: d3_time_parseWeekNumberMonday, + x: d3_time_parseLocaleDate, + X: d3_time_parseLocaleTime, + y: d3_time_parseYear, + Y: d3_time_parseFullYear, + Z: d3_time_parseZone, + "%": d3_time_parseLiteralPercent + }; + function d3_time_parseWeekdayAbbrev(date, string, i) { + d3_time_dayAbbrevRe.lastIndex = 0; + var n = d3_time_dayAbbrevRe.exec(string.slice(i)); + return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseWeekday(date, string, i) { + d3_time_dayRe.lastIndex = 0; + var n = d3_time_dayRe.exec(string.slice(i)); + return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseMonthAbbrev(date, string, i) { + d3_time_monthAbbrevRe.lastIndex = 0; + var n = d3_time_monthAbbrevRe.exec(string.slice(i)); + return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseMonth(date, string, i) { + d3_time_monthRe.lastIndex = 0; + var n = d3_time_monthRe.exec(string.slice(i)); + return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; + } + function d3_time_parseLocaleFull(date, string, i) { + return d3_time_parse(date, d3_time_formats.c.toString(), string, i); + } + function d3_time_parseLocaleDate(date, string, i) { + return d3_time_parse(date, d3_time_formats.x.toString(), string, i); + } + function d3_time_parseLocaleTime(date, string, i) { + return d3_time_parse(date, d3_time_formats.X.toString(), string, i); + } + function d3_time_parseAmPm(date, string, i) { + var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase()); + return n == null ? -1 : (date.p = n, i); + } + return d3_time_format; + } + var d3_time_formatPads = { + "-": "", + _: " ", + "0": "0" + }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; + function d3_time_formatPad(value, fill, width) { + var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; + return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); + } + function d3_time_formatRe(names) { + return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); + } + function d3_time_formatLookup(names) { + var map = new d3_Map(), i = -1, n = names.length; + while (++i < n) map.set(names[i].toLowerCase(), i); + return map; + } + function d3_time_parseWeekdayNumber(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 1)); + return n ? (date.w = +n[0], i + n[0].length) : -1; + } + function d3_time_parseWeekNumberSunday(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i)); + return n ? (date.U = +n[0], i + n[0].length) : -1; + } + function d3_time_parseWeekNumberMonday(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i)); + return n ? (date.W = +n[0], i + n[0].length) : -1; + } + function d3_time_parseFullYear(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 4)); + return n ? (date.y = +n[0], i + n[0].length) : -1; + } + function d3_time_parseYear(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; + } + function d3_time_parseZone(date, string, i) { + return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, + i + 5) : -1; + } + function d3_time_expandYear(d) { + return d + (d > 68 ? 1900 : 2e3); + } + function d3_time_parseMonthNumber(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.m = n[0] - 1, i + n[0].length) : -1; + } + function d3_time_parseDay(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.d = +n[0], i + n[0].length) : -1; + } + function d3_time_parseDayOfYear(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 3)); + return n ? (date.j = +n[0], i + n[0].length) : -1; + } + function d3_time_parseHour24(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.H = +n[0], i + n[0].length) : -1; + } + function d3_time_parseMinutes(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.M = +n[0], i + n[0].length) : -1; + } + function d3_time_parseSeconds(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 2)); + return n ? (date.S = +n[0], i + n[0].length) : -1; + } + function d3_time_parseMilliseconds(date, string, i) { + d3_time_numberRe.lastIndex = 0; + var n = d3_time_numberRe.exec(string.slice(i, i + 3)); + return n ? (date.L = +n[0], i + n[0].length) : -1; + } + function d3_time_zone(d) { + var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60; + return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); + } + function d3_time_parseLiteralPercent(date, string, i) { + d3_time_percentRe.lastIndex = 0; + var n = d3_time_percentRe.exec(string.slice(i, i + 1)); + return n ? i + n[0].length : -1; + } + function d3_time_formatMulti(formats) { + var n = formats.length, i = -1; + while (++i < n) formats[i][0] = this(formats[i][0]); + return function(date) { + var i = 0, f = formats[i]; + while (!f[1](date)) f = formats[++i]; + return f[0](date); + }; + } + d3.locale = function(locale) { + return { + numberFormat: d3_locale_numberFormat(locale), + timeFormat: d3_locale_timeFormat(locale) + }; + }; + var d3_locale_enUS = d3.locale({ + decimal: ".", + thousands: ",", + grouping: [ 3 ], + currency: [ "$", "" ], + dateTime: "%a %b %e %X %Y", + date: "%m/%d/%Y", + time: "%H:%M:%S", + periods: [ "AM", "PM" ], + days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], + shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], + months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], + shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] + }); + d3.format = d3_locale_enUS.numberFormat; + d3.geo = {}; + function d3_adder() {} + d3_adder.prototype = { + s: 0, + t: 0, + add: function(y) { + d3_adderSum(y, this.t, d3_adderTemp); + d3_adderSum(d3_adderTemp.s, this.s, this); + if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; + }, + reset: function() { + this.s = this.t = 0; + }, + valueOf: function() { + return this.s; + } + }; + var d3_adderTemp = new d3_adder(); + function d3_adderSum(a, b, o) { + var x = o.s = a + b, bv = x - a, av = x - bv; + o.t = a - av + (b - bv); + } + d3.geo.stream = function(object, listener) { + if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { + d3_geo_streamObjectType[object.type](object, listener); + } else { + d3_geo_streamGeometry(object, listener); + } + }; + function d3_geo_streamGeometry(geometry, listener) { + if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { + d3_geo_streamGeometryType[geometry.type](geometry, listener); + } + } + var d3_geo_streamObjectType = { + Feature: function(feature, listener) { + d3_geo_streamGeometry(feature.geometry, listener); + }, + FeatureCollection: function(object, listener) { + var features = object.features, i = -1, n = features.length; + while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); + } + }; + var d3_geo_streamGeometryType = { + Sphere: function(object, listener) { + listener.sphere(); + }, + Point: function(object, listener) { + object = object.coordinates; + listener.point(object[0], object[1], object[2]); + }, + MultiPoint: function(object, listener) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); + }, + LineString: function(object, listener) { + d3_geo_streamLine(object.coordinates, listener, 0); + }, + MultiLineString: function(object, listener) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); + }, + Polygon: function(object, listener) { + d3_geo_streamPolygon(object.coordinates, listener); + }, + MultiPolygon: function(object, listener) { + var coordinates = object.coordinates, i = -1, n = coordinates.length; + while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); + }, + GeometryCollection: function(object, listener) { + var geometries = object.geometries, i = -1, n = geometries.length; + while (++i < n) d3_geo_streamGeometry(geometries[i], listener); + } + }; + function d3_geo_streamLine(coordinates, listener, closed) { + var i = -1, n = coordinates.length - closed, coordinate; + listener.lineStart(); + while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]); + listener.lineEnd(); + } + function d3_geo_streamPolygon(coordinates, listener) { + var i = -1, n = coordinates.length; + listener.polygonStart(); + while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); + listener.polygonEnd(); + } + d3.geo.area = function(object) { + d3_geo_areaSum = 0; + d3.geo.stream(object, d3_geo_area); + return d3_geo_areaSum; + }; + var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); + var d3_geo_area = { + sphere: function() { + d3_geo_areaSum += 4 * π; + }, + point: d3_noop, + lineStart: d3_noop, + lineEnd: d3_noop, + polygonStart: function() { + d3_geo_areaRingSum.reset(); + d3_geo_area.lineStart = d3_geo_areaRingStart; + }, + polygonEnd: function() { + var area = 2 * d3_geo_areaRingSum; + d3_geo_areaSum += area < 0 ? 4 * π + area : area; + d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; + } + }; + function d3_geo_areaRingStart() { + var λ00, φ00, λ0, cosφ0, sinφ0; + d3_geo_area.point = function(λ, φ) { + d3_geo_area.point = nextPoint; + λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), + sinφ0 = Math.sin(φ); + }; + function nextPoint(λ, φ) { + λ *= d3_radians; + φ = φ * d3_radians / 2 + π / 4; + var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); + d3_geo_areaRingSum.add(Math.atan2(v, u)); + λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; + } + d3_geo_area.lineEnd = function() { + nextPoint(λ00, φ00); + }; + } + function d3_geo_cartesian(spherical) { + var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); + return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; + } + function d3_geo_cartesianDot(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + } + function d3_geo_cartesianCross(a, b) { + return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; + } + function d3_geo_cartesianAdd(a, b) { + a[0] += b[0]; + a[1] += b[1]; + a[2] += b[2]; + } + function d3_geo_cartesianScale(vector, k) { + return [ vector[0] * k, vector[1] * k, vector[2] * k ]; + } + function d3_geo_cartesianNormalize(d) { + var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); + d[0] /= l; + d[1] /= l; + d[2] /= l; + } + function d3_geo_spherical(cartesian) { + return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; + } + function d3_geo_sphericalEqual(a, b) { + return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; + } + d3.geo.bounds = function() { + var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; + var bound = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + bound.point = ringPoint; + bound.lineStart = ringStart; + bound.lineEnd = ringEnd; + dλSum = 0; + d3_geo_area.polygonStart(); + }, + polygonEnd: function() { + d3_geo_area.polygonEnd(); + bound.point = point; + bound.lineStart = lineStart; + bound.lineEnd = lineEnd; + if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; + range[0] = λ0, range[1] = λ1; + } + }; + function point(λ, φ) { + ranges.push(range = [ λ0 = λ, λ1 = λ ]); + if (φ < φ0) φ0 = φ; + if (φ > φ1) φ1 = φ; + } + function linePoint(λ, φ) { + var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); + if (p0) { + var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); + d3_geo_cartesianNormalize(inflection); + inflection = d3_geo_spherical(inflection); + var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; + if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { + var φi = inflection[1] * d3_degrees; + if (φi > φ1) φ1 = φi; + } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { + var φi = -inflection[1] * d3_degrees; + if (φi < φ0) φ0 = φi; + } else { + if (φ < φ0) φ0 = φ; + if (φ > φ1) φ1 = φ; + } + if (antimeridian) { + if (λ < λ_) { + if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; + } else { + if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; + } + } else { + if (λ1 >= λ0) { + if (λ < λ0) λ0 = λ; + if (λ > λ1) λ1 = λ; + } else { + if (λ > λ_) { + if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; + } else { + if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; + } + } + } + } else { + point(λ, φ); + } + p0 = p, λ_ = λ; + } + function lineStart() { + bound.point = linePoint; + } + function lineEnd() { + range[0] = λ0, range[1] = λ1; + bound.point = point; + p0 = null; + } + function ringPoint(λ, φ) { + if (p0) { + var dλ = λ - λ_; + dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; + } else λ__ = λ, φ__ = φ; + d3_geo_area.point(λ, φ); + linePoint(λ, φ); + } + function ringStart() { + d3_geo_area.lineStart(); + } + function ringEnd() { + ringPoint(λ__, φ__); + d3_geo_area.lineEnd(); + if (abs(dλSum) > ε) λ0 = -(λ1 = 180); + range[0] = λ0, range[1] = λ1; + p0 = null; + } + function angle(λ0, λ1) { + return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; + } + function compareRanges(a, b) { + return a[0] - b[0]; + } + function withinRange(x, range) { + return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; + } + return function(feature) { + φ1 = λ1 = -(λ0 = φ0 = Infinity); + ranges = []; + d3.geo.stream(feature, bound); + var n = ranges.length; + if (n) { + ranges.sort(compareRanges); + for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { + b = ranges[i]; + if (withinRange(b[0], a) || withinRange(b[1], a)) { + if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; + if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; + } else { + merged.push(a = b); + } + } + var best = -Infinity, dλ; + for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { + b = merged[i]; + if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; + } + } + ranges = range = null; + return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; + }; + }(); + d3.geo.centroid = function(object) { + d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; + d3.geo.stream(object, d3_geo_centroid); + var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; + if (m < ε2) { + x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; + if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; + m = x * x + y * y + z * z; + if (m < ε2) return [ NaN, NaN ]; + } + return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; + }; + var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; + var d3_geo_centroid = { + sphere: d3_noop, + point: d3_geo_centroidPoint, + lineStart: d3_geo_centroidLineStart, + lineEnd: d3_geo_centroidLineEnd, + polygonStart: function() { + d3_geo_centroid.lineStart = d3_geo_centroidRingStart; + }, + polygonEnd: function() { + d3_geo_centroid.lineStart = d3_geo_centroidLineStart; + } + }; + function d3_geo_centroidPoint(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians); + d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); + } + function d3_geo_centroidPointXYZ(x, y, z) { + ++d3_geo_centroidW0; + d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; + d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; + d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; + } + function d3_geo_centroidLineStart() { + var x0, y0, z0; + d3_geo_centroid.point = function(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians); + x0 = cosφ * Math.cos(λ); + y0 = cosφ * Math.sin(λ); + z0 = Math.sin(φ); + d3_geo_centroid.point = nextPoint; + d3_geo_centroidPointXYZ(x0, y0, z0); + }; + function nextPoint(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); + d3_geo_centroidW1 += w; + d3_geo_centroidX1 += w * (x0 + (x0 = x)); + d3_geo_centroidY1 += w * (y0 + (y0 = y)); + d3_geo_centroidZ1 += w * (z0 + (z0 = z)); + d3_geo_centroidPointXYZ(x0, y0, z0); + } + } + function d3_geo_centroidLineEnd() { + d3_geo_centroid.point = d3_geo_centroidPoint; + } + function d3_geo_centroidRingStart() { + var λ00, φ00, x0, y0, z0; + d3_geo_centroid.point = function(λ, φ) { + λ00 = λ, φ00 = φ; + d3_geo_centroid.point = nextPoint; + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians); + x0 = cosφ * Math.cos(λ); + y0 = cosφ * Math.sin(λ); + z0 = Math.sin(φ); + d3_geo_centroidPointXYZ(x0, y0, z0); + }; + d3_geo_centroid.lineEnd = function() { + nextPoint(λ00, φ00); + d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; + d3_geo_centroid.point = d3_geo_centroidPoint; + }; + function nextPoint(λ, φ) { + λ *= d3_radians; + var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); + d3_geo_centroidX2 += v * cx; + d3_geo_centroidY2 += v * cy; + d3_geo_centroidZ2 += v * cz; + d3_geo_centroidW1 += w; + d3_geo_centroidX1 += w * (x0 + (x0 = x)); + d3_geo_centroidY1 += w * (y0 + (y0 = y)); + d3_geo_centroidZ1 += w * (z0 + (z0 = z)); + d3_geo_centroidPointXYZ(x0, y0, z0); + } + } + function d3_geo_compose(a, b) { + function compose(x, y) { + return x = a(x, y), b(x[0], x[1]); + } + if (a.invert && b.invert) compose.invert = function(x, y) { + return x = b.invert(x, y), x && a.invert(x[0], x[1]); + }; + return compose; + } + function d3_true() { + return true; + } + function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) { + var subject = [], clip = []; + segments.forEach(function(segment) { + if ((n = segment.length - 1) <= 0) return; + var n, p0 = segment[0], p1 = segment[n]; + if (d3_geo_sphericalEqual(p0, p1)) { + listener.lineStart(); + for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); + listener.lineEnd(); + return; + } + var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); + a.o = b; + subject.push(a); + clip.push(b); + a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); + b = new d3_geo_clipPolygonIntersection(p1, null, a, true); + a.o = b; + subject.push(a); + clip.push(b); + }); + clip.sort(compare); + d3_geo_clipPolygonLinkCircular(subject); + d3_geo_clipPolygonLinkCircular(clip); + if (!subject.length) return; + for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { + clip[i].e = entry = !entry; + } + var start = subject[0], points, point; + while (1) { + var current = start, isSubject = true; + while (current.v) if ((current = current.n) === start) return; + points = current.z; + listener.lineStart(); + do { + current.v = current.o.v = true; + if (current.e) { + if (isSubject) { + for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.n.x, 1, listener); + } + current = current.n; + } else { + if (isSubject) { + points = current.p.z; + for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); + } else { + interpolate(current.x, current.p.x, -1, listener); + } + current = current.p; + } + current = current.o; + points = current.z; + isSubject = !isSubject; + } while (!current.v); + listener.lineEnd(); + } + } + function d3_geo_clipPolygonLinkCircular(array) { + if (!(n = array.length)) return; + var n, i = 0, a = array[0], b; + while (++i < n) { + a.n = b = array[i]; + b.p = a; + a = b; + } + a.n = b = array[0]; + b.p = a; + } + function d3_geo_clipPolygonIntersection(point, points, other, entry) { + this.x = point; + this.z = points; + this.o = other; + this.e = entry; + this.v = false; + this.n = this.p = null; + } + function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { + return function(rotate, listener) { + var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + clip.point = pointRing; + clip.lineStart = ringStart; + clip.lineEnd = ringEnd; + segments = []; + polygon = []; + }, + polygonEnd: function() { + clip.point = point; + clip.lineStart = lineStart; + clip.lineEnd = lineEnd; + segments = d3.merge(segments); + var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); + if (segments.length) { + if (!polygonStarted) listener.polygonStart(), polygonStarted = true; + d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); + } else if (clipStartInside) { + if (!polygonStarted) listener.polygonStart(), polygonStarted = true; + listener.lineStart(); + interpolate(null, null, 1, listener); + listener.lineEnd(); + } + if (polygonStarted) listener.polygonEnd(), polygonStarted = false; + segments = polygon = null; + }, + sphere: function() { + listener.polygonStart(); + listener.lineStart(); + interpolate(null, null, 1, listener); + listener.lineEnd(); + listener.polygonEnd(); + } + }; + function point(λ, φ) { + var point = rotate(λ, φ); + if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); + } + function pointLine(λ, φ) { + var point = rotate(λ, φ); + line.point(point[0], point[1]); + } + function lineStart() { + clip.point = pointLine; + line.lineStart(); + } + function lineEnd() { + clip.point = point; + line.lineEnd(); + } + var segments; + var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring; + function pointRing(λ, φ) { + ring.push([ λ, φ ]); + var point = rotate(λ, φ); + ringListener.point(point[0], point[1]); + } + function ringStart() { + ringListener.lineStart(); + ring = []; + } + function ringEnd() { + pointRing(ring[0][0], ring[0][1]); + ringListener.lineEnd(); + var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; + ring.pop(); + polygon.push(ring); + ring = null; + if (!n) return; + if (clean & 1) { + segment = ringSegments[0]; + var n = segment.length - 1, i = -1, point; + if (n > 0) { + if (!polygonStarted) listener.polygonStart(), polygonStarted = true; + listener.lineStart(); + while (++i < n) listener.point((point = segment[i])[0], point[1]); + listener.lineEnd(); + } + return; + } + if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); + segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); + } + return clip; + }; + } + function d3_geo_clipSegmentLength1(segment) { + return segment.length > 1; + } + function d3_geo_clipBufferListener() { + var lines = [], line; + return { + lineStart: function() { + lines.push(line = []); + }, + point: function(λ, φ) { + line.push([ λ, φ ]); + }, + lineEnd: d3_noop, + buffer: function() { + var buffer = lines; + lines = []; + line = null; + return buffer; + }, + rejoin: function() { + if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); + } + }; + } + function d3_geo_clipSort(a, b) { + return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); + } + var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); + function d3_geo_clipAntimeridianLine(listener) { + var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; + return { + lineStart: function() { + listener.lineStart(); + clean = 1; + }, + point: function(λ1, φ1) { + var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0); + if (abs(dλ - π) < ε) { + listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); + listener.point(sλ0, φ0); + listener.lineEnd(); + listener.lineStart(); + listener.point(sλ1, φ0); + listener.point(λ1, φ0); + clean = 0; + } else if (sλ0 !== sλ1 && dλ >= π) { + if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; + if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; + φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); + listener.point(sλ0, φ0); + listener.lineEnd(); + listener.lineStart(); + listener.point(sλ1, φ0); + clean = 0; + } + listener.point(λ0 = λ1, φ0 = φ1); + sλ0 = sλ1; + }, + lineEnd: function() { + listener.lineEnd(); + λ0 = φ0 = NaN; + }, + clean: function() { + return 2 - clean; + } + }; + } + function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { + var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); + return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; + } + function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { + var φ; + if (from == null) { + φ = direction * halfπ; + listener.point(-π, φ); + listener.point(0, φ); + listener.point(π, φ); + listener.point(π, 0); + listener.point(π, -φ); + listener.point(0, -φ); + listener.point(-π, -φ); + listener.point(-π, 0); + listener.point(-π, φ); + } else if (abs(from[0] - to[0]) > ε) { + var s = from[0] < to[0] ? π : -π; + φ = direction * s / 2; + listener.point(-s, φ); + listener.point(0, φ); + listener.point(s, φ); + } else { + listener.point(to[0], to[1]); + } + } + function d3_geo_pointInPolygon(point, polygon) { + var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; + d3_geo_areaRingSum.reset(); + for (var i = 0, n = polygon.length; i < n; ++i) { + var ring = polygon[i], m = ring.length; + if (!m) continue; + var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; + while (true) { + if (j === m) j = 0; + point = ring[j]; + var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; + d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); + polarAngle += antimeridian ? dλ + sdλ * τ : dλ; + if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { + var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); + d3_geo_cartesianNormalize(arc); + var intersection = d3_geo_cartesianCross(meridianNormal, arc); + d3_geo_cartesianNormalize(intersection); + var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); + if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { + winding += antimeridian ^ dλ >= 0 ? 1 : -1; + } + } + if (!j++) break; + λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; + } + } + return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1; + } + function d3_geo_clipCircle(radius) { + var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); + return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); + function visible(λ, φ) { + return Math.cos(λ) * Math.cos(φ) > cr; + } + function clipLine(listener) { + var point0, c0, v0, v00, clean; + return { + lineStart: function() { + v00 = v0 = false; + clean = 1; + }, + point: function(λ, φ) { + var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; + if (!point0 && (v00 = v0 = v)) listener.lineStart(); + if (v !== v0) { + point2 = intersect(point0, point1); + if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { + point1[0] += ε; + point1[1] += ε; + v = visible(point1[0], point1[1]); + } + } + if (v !== v0) { + clean = 0; + if (v) { + listener.lineStart(); + point2 = intersect(point1, point0); + listener.point(point2[0], point2[1]); + } else { + point2 = intersect(point0, point1); + listener.point(point2[0], point2[1]); + listener.lineEnd(); + } + point0 = point2; + } else if (notHemisphere && point0 && smallRadius ^ v) { + var t; + if (!(c & c0) && (t = intersect(point1, point0, true))) { + clean = 0; + if (smallRadius) { + listener.lineStart(); + listener.point(t[0][0], t[0][1]); + listener.point(t[1][0], t[1][1]); + listener.lineEnd(); + } else { + listener.point(t[1][0], t[1][1]); + listener.lineEnd(); + listener.lineStart(); + listener.point(t[0][0], t[0][1]); + } + } + } + if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { + listener.point(point1[0], point1[1]); + } + point0 = point1, v0 = v, c0 = c; + }, + lineEnd: function() { + if (v0) listener.lineEnd(); + point0 = null; + }, + clean: function() { + return clean | (v00 && v0) << 1; + } + }; + } + function intersect(a, b, two) { + var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); + var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; + if (!determinant) return !two && a; + var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); + d3_geo_cartesianAdd(A, B); + var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); + if (t2 < 0) return; + var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); + d3_geo_cartesianAdd(q, A); + q = d3_geo_spherical(q); + if (!two) return q; + var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; + if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; + var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε; + if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; + if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { + var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); + d3_geo_cartesianAdd(q1, A); + return [ q, d3_geo_spherical(q1) ]; + } + } + function code(λ, φ) { + var r = smallRadius ? radius : π - radius, code = 0; + if (λ < -r) code |= 1; else if (λ > r) code |= 2; + if (φ < -r) code |= 4; else if (φ > r) code |= 8; + return code; + } + } + function d3_geom_clipLine(x0, y0, x1, y1) { + return function(line) { + var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; + r = x0 - ax; + if (!dx && r > 0) return; + r /= dx; + if (dx < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dx > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + r = x1 - ax; + if (!dx && r < 0) return; + r /= dx; + if (dx < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dx > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + r = y0 - ay; + if (!dy && r > 0) return; + r /= dy; + if (dy < 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } else if (dy > 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } + r = y1 - ay; + if (!dy && r < 0) return; + r /= dy; + if (dy < 0) { + if (r > t1) return; + if (r > t0) t0 = r; + } else if (dy > 0) { + if (r < t0) return; + if (r < t1) t1 = r; + } + if (t0 > 0) line.a = { + x: ax + t0 * dx, + y: ay + t0 * dy + }; + if (t1 < 1) line.b = { + x: ax + t1 * dx, + y: ay + t1 * dy + }; + return line; + }; + } + var d3_geo_clipExtentMAX = 1e9; + d3.geo.clipExtent = function() { + var x0, y0, x1, y1, stream, clip, clipExtent = { + stream: function(output) { + if (stream) stream.valid = false; + stream = clip(output); + stream.valid = true; + return stream; + }, + extent: function(_) { + if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; + clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); + if (stream) stream.valid = false, stream = null; + return clipExtent; + } + }; + return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); + }; + function d3_geo_clipExtent(x0, y0, x1, y1) { + return function(listener) { + var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; + var clip = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + listener = bufferListener; + segments = []; + polygon = []; + clean = true; + }, + polygonEnd: function() { + listener = listener_; + segments = d3.merge(segments); + var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; + if (inside || visible) { + listener.polygonStart(); + if (inside) { + listener.lineStart(); + interpolate(null, null, 1, listener); + listener.lineEnd(); + } + if (visible) { + d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); + } + listener.polygonEnd(); + } + segments = polygon = ring = null; + } + }; + function insidePolygon(p) { + var wn = 0, n = polygon.length, y = p[1]; + for (var i = 0; i < n; ++i) { + for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { + b = v[j]; + if (a[1] <= y) { + if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; + } else { + if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; + } + a = b; + } + } + return wn !== 0; + } + function interpolate(from, to, direction, listener) { + var a = 0, a1 = 0; + if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { + do { + listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); + } while ((a = (a + direction + 4) % 4) !== a1); + } else { + listener.point(to[0], to[1]); + } + } + function pointVisible(x, y) { + return x0 <= x && x <= x1 && y0 <= y && y <= y1; + } + function point(x, y) { + if (pointVisible(x, y)) listener.point(x, y); + } + var x__, y__, v__, x_, y_, v_, first, clean; + function lineStart() { + clip.point = linePoint; + if (polygon) polygon.push(ring = []); + first = true; + v_ = false; + x_ = y_ = NaN; + } + function lineEnd() { + if (segments) { + linePoint(x__, y__); + if (v__ && v_) bufferListener.rejoin(); + segments.push(bufferListener.buffer()); + } + clip.point = point; + if (v_) listener.lineEnd(); + } + function linePoint(x, y) { + x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); + y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); + var v = pointVisible(x, y); + if (polygon) ring.push([ x, y ]); + if (first) { + x__ = x, y__ = y, v__ = v; + first = false; + if (v) { + listener.lineStart(); + listener.point(x, y); + } + } else { + if (v && v_) listener.point(x, y); else { + var l = { + a: { + x: x_, + y: y_ + }, + b: { + x: x, + y: y + } + }; + if (clipLine(l)) { + if (!v_) { + listener.lineStart(); + listener.point(l.a.x, l.a.y); + } + listener.point(l.b.x, l.b.y); + if (!v) listener.lineEnd(); + clean = false; + } else if (v) { + listener.lineStart(); + listener.point(x, y); + clean = false; + } + } + } + x_ = x, y_ = y, v_ = v; + } + return clip; + }; + function corner(p, direction) { + return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; + } + function compare(a, b) { + return comparePoints(a.x, b.x); + } + function comparePoints(a, b) { + var ca = corner(a, 1), cb = corner(b, 1); + return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; + } + } + function d3_geo_conic(projectAt) { + var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); + p.parallels = function(_) { + if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; + return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); + }; + return p; + } + function d3_geo_conicEqualArea(φ0, φ1) { + var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; + function forward(λ, φ) { + var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; + return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; + } + forward.invert = function(x, y) { + var ρ0_y = ρ0 - y; + return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; + }; + return forward; + } + (d3.geo.conicEqualArea = function() { + return d3_geo_conic(d3_geo_conicEqualArea); + }).raw = d3_geo_conicEqualArea; + d3.geo.albers = function() { + return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); + }; + d3.geo.albersUsa = function() { + var lower48 = d3.geo.albers(); + var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); + var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); + var point, pointStream = { + point: function(x, y) { + point = [ x, y ]; + } + }, lower48Point, alaskaPoint, hawaiiPoint; + function albersUsa(coordinates) { + var x = coordinates[0], y = coordinates[1]; + point = null; + (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); + return point; + } + albersUsa.invert = function(coordinates) { + var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; + return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); + }; + albersUsa.stream = function(stream) { + var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); + return { + point: function(x, y) { + lower48Stream.point(x, y); + alaskaStream.point(x, y); + hawaiiStream.point(x, y); + }, + sphere: function() { + lower48Stream.sphere(); + alaskaStream.sphere(); + hawaiiStream.sphere(); + }, + lineStart: function() { + lower48Stream.lineStart(); + alaskaStream.lineStart(); + hawaiiStream.lineStart(); + }, + lineEnd: function() { + lower48Stream.lineEnd(); + alaskaStream.lineEnd(); + hawaiiStream.lineEnd(); + }, + polygonStart: function() { + lower48Stream.polygonStart(); + alaskaStream.polygonStart(); + hawaiiStream.polygonStart(); + }, + polygonEnd: function() { + lower48Stream.polygonEnd(); + alaskaStream.polygonEnd(); + hawaiiStream.polygonEnd(); + } + }; + }; + albersUsa.precision = function(_) { + if (!arguments.length) return lower48.precision(); + lower48.precision(_); + alaska.precision(_); + hawaii.precision(_); + return albersUsa; + }; + albersUsa.scale = function(_) { + if (!arguments.length) return lower48.scale(); + lower48.scale(_); + alaska.scale(_ * .35); + hawaii.scale(_); + return albersUsa.translate(lower48.translate()); + }; + albersUsa.translate = function(_) { + if (!arguments.length) return lower48.translate(); + var k = lower48.scale(), x = +_[0], y = +_[1]; + lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; + alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; + hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; + return albersUsa; + }; + return albersUsa.scale(1070); + }; + var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { + point: d3_noop, + lineStart: d3_noop, + lineEnd: d3_noop, + polygonStart: function() { + d3_geo_pathAreaPolygon = 0; + d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; + }, + polygonEnd: function() { + d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; + d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2); + } + }; + function d3_geo_pathAreaRingStart() { + var x00, y00, x0, y0; + d3_geo_pathArea.point = function(x, y) { + d3_geo_pathArea.point = nextPoint; + x00 = x0 = x, y00 = y0 = y; + }; + function nextPoint(x, y) { + d3_geo_pathAreaPolygon += y0 * x - x0 * y; + x0 = x, y0 = y; + } + d3_geo_pathArea.lineEnd = function() { + nextPoint(x00, y00); + }; + } + var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; + var d3_geo_pathBounds = { + point: d3_geo_pathBoundsPoint, + lineStart: d3_noop, + lineEnd: d3_noop, + polygonStart: d3_noop, + polygonEnd: d3_noop + }; + function d3_geo_pathBoundsPoint(x, y) { + if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; + if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; + if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; + if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; + } + function d3_geo_pathBuffer() { + var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; + var stream = { + point: point, + lineStart: function() { + stream.point = pointLineStart; + }, + lineEnd: lineEnd, + polygonStart: function() { + stream.lineEnd = lineEndPolygon; + }, + polygonEnd: function() { + stream.lineEnd = lineEnd; + stream.point = point; + }, + pointRadius: function(_) { + pointCircle = d3_geo_pathBufferCircle(_); + return stream; + }, + result: function() { + if (buffer.length) { + var result = buffer.join(""); + buffer = []; + return result; + } + } + }; + function point(x, y) { + buffer.push("M", x, ",", y, pointCircle); + } + function pointLineStart(x, y) { + buffer.push("M", x, ",", y); + stream.point = pointLine; + } + function pointLine(x, y) { + buffer.push("L", x, ",", y); + } + function lineEnd() { + stream.point = point; + } + function lineEndPolygon() { + buffer.push("Z"); + } + return stream; + } + function d3_geo_pathBufferCircle(radius) { + return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; + } + var d3_geo_pathCentroid = { + point: d3_geo_pathCentroidPoint, + lineStart: d3_geo_pathCentroidLineStart, + lineEnd: d3_geo_pathCentroidLineEnd, + polygonStart: function() { + d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; + }, + polygonEnd: function() { + d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; + d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; + d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; + } + }; + function d3_geo_pathCentroidPoint(x, y) { + d3_geo_centroidX0 += x; + d3_geo_centroidY0 += y; + ++d3_geo_centroidZ0; + } + function d3_geo_pathCentroidLineStart() { + var x0, y0; + d3_geo_pathCentroid.point = function(x, y) { + d3_geo_pathCentroid.point = nextPoint; + d3_geo_pathCentroidPoint(x0 = x, y0 = y); + }; + function nextPoint(x, y) { + var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); + d3_geo_centroidX1 += z * (x0 + x) / 2; + d3_geo_centroidY1 += z * (y0 + y) / 2; + d3_geo_centroidZ1 += z; + d3_geo_pathCentroidPoint(x0 = x, y0 = y); + } + } + function d3_geo_pathCentroidLineEnd() { + d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; + } + function d3_geo_pathCentroidRingStart() { + var x00, y00, x0, y0; + d3_geo_pathCentroid.point = function(x, y) { + d3_geo_pathCentroid.point = nextPoint; + d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); + }; + function nextPoint(x, y) { + var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); + d3_geo_centroidX1 += z * (x0 + x) / 2; + d3_geo_centroidY1 += z * (y0 + y) / 2; + d3_geo_centroidZ1 += z; + z = y0 * x - x0 * y; + d3_geo_centroidX2 += z * (x0 + x); + d3_geo_centroidY2 += z * (y0 + y); + d3_geo_centroidZ2 += z * 3; + d3_geo_pathCentroidPoint(x0 = x, y0 = y); + } + d3_geo_pathCentroid.lineEnd = function() { + nextPoint(x00, y00); + }; + } + function d3_geo_pathContext(context) { + var pointRadius = 4.5; + var stream = { + point: point, + lineStart: function() { + stream.point = pointLineStart; + }, + lineEnd: lineEnd, + polygonStart: function() { + stream.lineEnd = lineEndPolygon; + }, + polygonEnd: function() { + stream.lineEnd = lineEnd; + stream.point = point; + }, + pointRadius: function(_) { + pointRadius = _; + return stream; + }, + result: d3_noop + }; + function point(x, y) { + context.moveTo(x + pointRadius, y); + context.arc(x, y, pointRadius, 0, τ); + } + function pointLineStart(x, y) { + context.moveTo(x, y); + stream.point = pointLine; + } + function pointLine(x, y) { + context.lineTo(x, y); + } + function lineEnd() { + stream.point = point; + } + function lineEndPolygon() { + context.closePath(); + } + return stream; + } + function d3_geo_resample(project) { + var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; + function resample(stream) { + return (maxDepth ? resampleRecursive : resampleNone)(stream); + } + function resampleNone(stream) { + return d3_geo_transformPoint(stream, function(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + }); + } + function resampleRecursive(stream) { + var λ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; + var resample = { + point: point, + lineStart: lineStart, + lineEnd: lineEnd, + polygonStart: function() { + stream.polygonStart(); + resample.lineStart = ringStart; + }, + polygonEnd: function() { + stream.polygonEnd(); + resample.lineStart = lineStart; + } + }; + function point(x, y) { + x = project(x, y); + stream.point(x[0], x[1]); + } + function lineStart() { + x0 = NaN; + resample.point = linePoint; + stream.lineStart(); + } + function linePoint(λ, φ) { + var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); + resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); + stream.point(x0, y0); + } + function lineEnd() { + resample.point = point; + stream.lineEnd(); + } + function ringStart() { + lineStart(); + resample.point = ringPoint; + resample.lineEnd = ringEnd; + } + function ringPoint(λ, φ) { + linePoint(λ00 = λ, φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; + resample.point = linePoint; + } + function ringEnd() { + resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); + resample.lineEnd = lineEnd; + lineEnd(); + } + return resample; + } + function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { + var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; + if (d2 > 4 * δ2 && depth--) { + var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; + if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { + resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); + stream.point(x2, y2); + resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); + } + } + } + resample.precision = function(_) { + if (!arguments.length) return Math.sqrt(δ2); + maxDepth = (δ2 = _ * _) > 0 && 16; + return resample; + }; + return resample; + } + d3.geo.path = function() { + var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; + function path(object) { + if (object) { + if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); + if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); + d3.geo.stream(object, cacheStream); + } + return contextStream.result(); + } + path.area = function(object) { + d3_geo_pathAreaSum = 0; + d3.geo.stream(object, projectStream(d3_geo_pathArea)); + return d3_geo_pathAreaSum; + }; + path.centroid = function(object) { + d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; + d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); + return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; + }; + path.bounds = function(object) { + d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); + d3.geo.stream(object, projectStream(d3_geo_pathBounds)); + return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; + }; + path.projection = function(_) { + if (!arguments.length) return projection; + projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; + return reset(); + }; + path.context = function(_) { + if (!arguments.length) return context; + contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); + if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); + return reset(); + }; + path.pointRadius = function(_) { + if (!arguments.length) return pointRadius; + pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); + return path; + }; + function reset() { + cacheStream = null; + return path; + } + return path.projection(d3.geo.albersUsa()).context(null); + }; + function d3_geo_pathProjectStream(project) { + var resample = d3_geo_resample(function(x, y) { + return project([ x * d3_degrees, y * d3_degrees ]); + }); + return function(stream) { + return d3_geo_projectionRadians(resample(stream)); + }; + } + d3.geo.transform = function(methods) { + return { + stream: function(stream) { + var transform = new d3_geo_transform(stream); + for (var k in methods) transform[k] = methods[k]; + return transform; + } + }; + }; + function d3_geo_transform(stream) { + this.stream = stream; + } + d3_geo_transform.prototype = { + point: function(x, y) { + this.stream.point(x, y); + }, + sphere: function() { + this.stream.sphere(); + }, + lineStart: function() { + this.stream.lineStart(); + }, + lineEnd: function() { + this.stream.lineEnd(); + }, + polygonStart: function() { + this.stream.polygonStart(); + }, + polygonEnd: function() { + this.stream.polygonEnd(); + } + }; + function d3_geo_transformPoint(stream, point) { + return { + point: point, + sphere: function() { + stream.sphere(); + }, + lineStart: function() { + stream.lineStart(); + }, + lineEnd: function() { + stream.lineEnd(); + }, + polygonStart: function() { + stream.polygonStart(); + }, + polygonEnd: function() { + stream.polygonEnd(); + } + }; + } + d3.geo.projection = d3_geo_projection; + d3.geo.projectionMutator = d3_geo_projectionMutator; + function d3_geo_projection(project) { + return d3_geo_projectionMutator(function() { + return project; + })(); + } + function d3_geo_projectionMutator(projectAt) { + var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { + x = project(x, y); + return [ x[0] * k + δx, δy - x[1] * k ]; + }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream; + function projection(point) { + point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); + return [ point[0] * k + δx, δy - point[1] * k ]; + } + function invert(point) { + point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); + return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; + } + projection.stream = function(output) { + if (stream) stream.valid = false; + stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); + stream.valid = true; + return stream; + }; + projection.clipAngle = function(_) { + if (!arguments.length) return clipAngle; + preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); + return invalidate(); + }; + projection.clipExtent = function(_) { + if (!arguments.length) return clipExtent; + clipExtent = _; + postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; + return invalidate(); + }; + projection.scale = function(_) { + if (!arguments.length) return k; + k = +_; + return reset(); + }; + projection.translate = function(_) { + if (!arguments.length) return [ x, y ]; + x = +_[0]; + y = +_[1]; + return reset(); + }; + projection.center = function(_) { + if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; + λ = _[0] % 360 * d3_radians; + φ = _[1] % 360 * d3_radians; + return reset(); + }; + projection.rotate = function(_) { + if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; + δλ = _[0] % 360 * d3_radians; + δφ = _[1] % 360 * d3_radians; + δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; + return reset(); + }; + d3.rebind(projection, projectResample, "precision"); + function reset() { + projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); + var center = project(λ, φ); + δx = x - center[0] * k; + δy = y + center[1] * k; + return invalidate(); + } + function invalidate() { + if (stream) stream.valid = false, stream = null; + return projection; + } + return function() { + project = projectAt.apply(this, arguments); + projection.invert = project.invert && invert; + return reset(); + }; + } + function d3_geo_projectionRadians(stream) { + return d3_geo_transformPoint(stream, function(x, y) { + stream.point(x * d3_radians, y * d3_radians); + }); + } + function d3_geo_equirectangular(λ, φ) { + return [ λ, φ ]; + } + (d3.geo.equirectangular = function() { + return d3_geo_projection(d3_geo_equirectangular); + }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; + d3.geo.rotation = function(rotate) { + rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0); + function forward(coordinates) { + coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians); + return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; + } + forward.invert = function(coordinates) { + coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians); + return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; + }; + return forward; + }; + function d3_geo_identityRotation(λ, φ) { + return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; + } + d3_geo_identityRotation.invert = d3_geo_equirectangular; + function d3_geo_rotation(δλ, δφ, δγ) { + return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation; + } + function d3_geo_forwardRotationλ(δλ) { + return function(λ, φ) { + return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; + }; + } + function d3_geo_rotationλ(δλ) { + var rotation = d3_geo_forwardRotationλ(δλ); + rotation.invert = d3_geo_forwardRotationλ(-δλ); + return rotation; + } + function d3_geo_rotationφγ(δφ, δγ) { + var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); + function rotation(λ, φ) { + var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; + return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ]; + } + rotation.invert = function(λ, φ) { + var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; + return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ]; + }; + return rotation; + } + d3.geo.circle = function() { + var origin = [ 0, 0 ], angle, precision = 6, interpolate; + function circle() { + var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; + interpolate(null, null, 1, { + point: function(x, y) { + ring.push(x = rotate(x, y)); + x[0] *= d3_degrees, x[1] *= d3_degrees; + } + }); + return { + type: "Polygon", + coordinates: [ ring ] + }; + } + circle.origin = function(x) { + if (!arguments.length) return origin; + origin = x; + return circle; + }; + circle.angle = function(x) { + if (!arguments.length) return angle; + interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); + return circle; + }; + circle.precision = function(_) { + if (!arguments.length) return precision; + interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); + return circle; + }; + return circle.angle(90); + }; + function d3_geo_circleInterpolate(radius, precision) { + var cr = Math.cos(radius), sr = Math.sin(radius); + return function(from, to, direction, listener) { + var step = direction * precision; + if (from != null) { + from = d3_geo_circleAngle(cr, from); + to = d3_geo_circleAngle(cr, to); + if (direction > 0 ? from < to : from > to) from += direction * τ; + } else { + from = radius + direction * τ; + to = radius - .5 * step; + } + for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) { + listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); + } + }; + } + function d3_geo_circleAngle(cr, point) { + var a = d3_geo_cartesian(point); + a[0] -= cr; + d3_geo_cartesianNormalize(a); + var angle = d3_acos(-a[1]); + return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); + } + d3.geo.distance = function(a, b) { + var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t; + return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ); + }; + d3.geo.graticule = function() { + var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5; + function graticule() { + return { + type: "MultiLineString", + coordinates: lines() + }; + } + function lines() { + return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) { + return abs(x % DX) > ε; + }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { + return abs(y % DY) > ε; + }).map(y)); + } + graticule.lines = function() { + return lines().map(function(coordinates) { + return { + type: "LineString", + coordinates: coordinates + }; + }); + }; + graticule.outline = function() { + return { + type: "Polygon", + coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ] + }; + }; + graticule.extent = function(_) { + if (!arguments.length) return graticule.minorExtent(); + return graticule.majorExtent(_).minorExtent(_); + }; + graticule.majorExtent = function(_) { + if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ]; + X0 = +_[0][0], X1 = +_[1][0]; + Y0 = +_[0][1], Y1 = +_[1][1]; + if (X0 > X1) _ = X0, X0 = X1, X1 = _; + if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; + return graticule.precision(precision); + }; + graticule.minorExtent = function(_) { + if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; + x0 = +_[0][0], x1 = +_[1][0]; + y0 = +_[0][1], y1 = +_[1][1]; + if (x0 > x1) _ = x0, x0 = x1, x1 = _; + if (y0 > y1) _ = y0, y0 = y1, y1 = _; + return graticule.precision(precision); + }; + graticule.step = function(_) { + if (!arguments.length) return graticule.minorStep(); + return graticule.majorStep(_).minorStep(_); + }; + graticule.majorStep = function(_) { + if (!arguments.length) return [ DX, DY ]; + DX = +_[0], DY = +_[1]; + return graticule; + }; + graticule.minorStep = function(_) { + if (!arguments.length) return [ dx, dy ]; + dx = +_[0], dy = +_[1]; + return graticule; + }; + graticule.precision = function(_) { + if (!arguments.length) return precision; + precision = +_; + x = d3_geo_graticuleX(y0, y1, 90); + y = d3_geo_graticuleY(x0, x1, precision); + X = d3_geo_graticuleX(Y0, Y1, 90); + Y = d3_geo_graticuleY(X0, X1, precision); + return graticule; + }; + return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]); + }; + function d3_geo_graticuleX(y0, y1, dy) { + var y = d3.range(y0, y1 - ε, dy).concat(y1); + return function(x) { + return y.map(function(y) { + return [ x, y ]; + }); + }; + } + function d3_geo_graticuleY(x0, x1, dx) { + var x = d3.range(x0, x1 - ε, dx).concat(x1); + return function(y) { + return x.map(function(x) { + return [ x, y ]; + }); + }; + } + function d3_source(d) { + return d.source; + } + function d3_target(d) { + return d.target; + } + d3.geo.greatArc = function() { + var source = d3_source, source_, target = d3_target, target_; + function greatArc() { + return { + type: "LineString", + coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ] + }; + } + greatArc.distance = function() { + return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments)); + }; + greatArc.source = function(_) { + if (!arguments.length) return source; + source = _, source_ = typeof _ === "function" ? null : _; + return greatArc; + }; + greatArc.target = function(_) { + if (!arguments.length) return target; + target = _, target_ = typeof _ === "function" ? null : _; + return greatArc; + }; + greatArc.precision = function() { + return arguments.length ? greatArc : 0; + }; + return greatArc; + }; + d3.geo.interpolate = function(source, target) { + return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); + }; + function d3_geo_interpolate(x0, y0, x1, y1) { + var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d); + var interpolate = d ? function(t) { + var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1; + return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ]; + } : function() { + return [ x0 * d3_degrees, y0 * d3_degrees ]; + }; + interpolate.distance = d; + return interpolate; + } + d3.geo.length = function(object) { + d3_geo_lengthSum = 0; + d3.geo.stream(object, d3_geo_length); + return d3_geo_lengthSum; + }; + var d3_geo_lengthSum; + var d3_geo_length = { + sphere: d3_noop, + point: d3_noop, + lineStart: d3_geo_lengthLineStart, + lineEnd: d3_noop, + polygonStart: d3_noop, + polygonEnd: d3_noop + }; + function d3_geo_lengthLineStart() { + var λ0, sinφ0, cosφ0; + d3_geo_length.point = function(λ, φ) { + λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ); + d3_geo_length.point = nextPoint; + }; + d3_geo_length.lineEnd = function() { + d3_geo_length.point = d3_geo_length.lineEnd = d3_noop; + }; + function nextPoint(λ, φ) { + var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t); + d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ); + λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ; + } + } + function d3_geo_azimuthal(scale, angle) { + function azimuthal(λ, φ) { + var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); + return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; + } + azimuthal.invert = function(x, y) { + var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); + return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; + }; + return azimuthal; + } + var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { + return Math.sqrt(2 / (1 + cosλcosφ)); + }, function(ρ) { + return 2 * Math.asin(ρ / 2); + }); + (d3.geo.azimuthalEqualArea = function() { + return d3_geo_projection(d3_geo_azimuthalEqualArea); + }).raw = d3_geo_azimuthalEqualArea; + var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { + var c = Math.acos(cosλcosφ); + return c && c / Math.sin(c); + }, d3_identity); + (d3.geo.azimuthalEquidistant = function() { + return d3_geo_projection(d3_geo_azimuthalEquidistant); + }).raw = d3_geo_azimuthalEquidistant; + function d3_geo_conicConformal(φ0, φ1) { + var cosφ0 = Math.cos(φ0), t = function(φ) { + return Math.tan(π / 4 + φ / 2); + }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n; + if (!n) return d3_geo_mercator; + function forward(λ, φ) { + if (F > 0) { + if (φ < -halfπ + ε) φ = -halfπ + ε; + } else { + if (φ > halfπ - ε) φ = halfπ - ε; + } + var ρ = F / Math.pow(t(φ), n); + return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ]; + } + forward.invert = function(x, y) { + var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y); + return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ]; + }; + return forward; + } + (d3.geo.conicConformal = function() { + return d3_geo_conic(d3_geo_conicConformal); + }).raw = d3_geo_conicConformal; + function d3_geo_conicEquidistant(φ0, φ1) { + var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0; + if (abs(n) < ε) return d3_geo_equirectangular; + function forward(λ, φ) { + var ρ = G - φ; + return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ]; + } + forward.invert = function(x, y) { + var ρ0_y = G - y; + return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ]; + }; + return forward; + } + (d3.geo.conicEquidistant = function() { + return d3_geo_conic(d3_geo_conicEquidistant); + }).raw = d3_geo_conicEquidistant; + var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { + return 1 / cosλcosφ; + }, Math.atan); + (d3.geo.gnomonic = function() { + return d3_geo_projection(d3_geo_gnomonic); + }).raw = d3_geo_gnomonic; + function d3_geo_mercator(λ, φ) { + return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ]; + } + d3_geo_mercator.invert = function(x, y) { + return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ]; + }; + function d3_geo_mercatorProjection(project) { + var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto; + m.scale = function() { + var v = scale.apply(m, arguments); + return v === m ? clipAuto ? m.clipExtent(null) : m : v; + }; + m.translate = function() { + var v = translate.apply(m, arguments); + return v === m ? clipAuto ? m.clipExtent(null) : m : v; + }; + m.clipExtent = function(_) { + var v = clipExtent.apply(m, arguments); + if (v === m) { + if (clipAuto = _ == null) { + var k = π * scale(), t = translate(); + clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]); + } + } else if (clipAuto) { + v = null; + } + return v; + }; + return m.clipExtent(null); + } + (d3.geo.mercator = function() { + return d3_geo_mercatorProjection(d3_geo_mercator); + }).raw = d3_geo_mercator; + var d3_geo_orthographic = d3_geo_azimuthal(function() { + return 1; + }, Math.asin); + (d3.geo.orthographic = function() { + return d3_geo_projection(d3_geo_orthographic); + }).raw = d3_geo_orthographic; + var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { + return 1 / (1 + cosλcosφ); + }, function(ρ) { + return 2 * Math.atan(ρ); + }); + (d3.geo.stereographic = function() { + return d3_geo_projection(d3_geo_stereographic); + }).raw = d3_geo_stereographic; + function d3_geo_transverseMercator(λ, φ) { + return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; + } + d3_geo_transverseMercator.invert = function(x, y) { + return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; + }; + (d3.geo.transverseMercator = function() { + var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; + projection.center = function(_) { + return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]); + }; + projection.rotate = function(_) { + return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), + [ _[0], _[1], _[2] - 90 ]); + }; + return rotate([ 0, 0, 90 ]); + }).raw = d3_geo_transverseMercator; + d3.geom = {}; + function d3_geom_pointX(d) { + return d[0]; + } + function d3_geom_pointY(d) { + return d[1]; + } + d3.geom.hull = function(vertices) { + var x = d3_geom_pointX, y = d3_geom_pointY; + if (arguments.length) return hull(vertices); + function hull(data) { + if (data.length < 3) return []; + var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; + for (i = 0; i < n; i++) { + points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); + } + points.sort(d3_geom_hullOrder); + for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); + var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); + var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; + for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); + for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); + return polygon; + } + hull.x = function(_) { + return arguments.length ? (x = _, hull) : x; + }; + hull.y = function(_) { + return arguments.length ? (y = _, hull) : y; + }; + return hull; + }; + function d3_geom_hullUpper(points) { + var n = points.length, hull = [ 0, 1 ], hs = 2; + for (var i = 2; i < n; i++) { + while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; + hull[hs++] = i; + } + return hull.slice(0, hs); + } + function d3_geom_hullOrder(a, b) { + return a[0] - b[0] || a[1] - b[1]; + } + d3.geom.polygon = function(coordinates) { + d3_subclass(coordinates, d3_geom_polygonPrototype); + return coordinates; + }; + var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; + d3_geom_polygonPrototype.area = function() { + var i = -1, n = this.length, a, b = this[n - 1], area = 0; + while (++i < n) { + a = b; + b = this[i]; + area += a[1] * b[0] - a[0] * b[1]; + } + return area * .5; + }; + d3_geom_polygonPrototype.centroid = function(k) { + var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; + if (!arguments.length) k = -1 / (6 * this.area()); + while (++i < n) { + a = b; + b = this[i]; + c = a[0] * b[1] - b[0] * a[1]; + x += (a[0] + b[0]) * c; + y += (a[1] + b[1]) * c; + } + return [ x * k, y * k ]; + }; + d3_geom_polygonPrototype.clip = function(subject) { + var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; + while (++i < n) { + input = subject.slice(); + subject.length = 0; + b = this[i]; + c = input[(m = input.length - closed) - 1]; + j = -1; + while (++j < m) { + d = input[j]; + if (d3_geom_polygonInside(d, a, b)) { + if (!d3_geom_polygonInside(c, a, b)) { + subject.push(d3_geom_polygonIntersect(c, d, a, b)); + } + subject.push(d); + } else if (d3_geom_polygonInside(c, a, b)) { + subject.push(d3_geom_polygonIntersect(c, d, a, b)); + } + c = d; + } + if (closed) subject.push(subject[0]); + a = b; + } + return subject; + }; + function d3_geom_polygonInside(p, a, b) { + return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); + } + function d3_geom_polygonIntersect(c, d, a, b) { + var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); + return [ x1 + ua * x21, y1 + ua * y21 ]; + } + function d3_geom_polygonClosed(coordinates) { + var a = coordinates[0], b = coordinates[coordinates.length - 1]; + return !(a[0] - b[0] || a[1] - b[1]); + } + var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; + function d3_geom_voronoiBeach() { + d3_geom_voronoiRedBlackNode(this); + this.edge = this.site = this.circle = null; + } + function d3_geom_voronoiCreateBeach(site) { + var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); + beach.site = site; + return beach; + } + function d3_geom_voronoiDetachBeach(beach) { + d3_geom_voronoiDetachCircle(beach); + d3_geom_voronoiBeaches.remove(beach); + d3_geom_voronoiBeachPool.push(beach); + d3_geom_voronoiRedBlackNode(beach); + } + function d3_geom_voronoiRemoveBeach(beach) { + var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { + x: x, + y: y + }, previous = beach.P, next = beach.N, disappearing = [ beach ]; + d3_geom_voronoiDetachBeach(beach); + var lArc = previous; + while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { + previous = lArc.P; + disappearing.unshift(lArc); + d3_geom_voronoiDetachBeach(lArc); + lArc = previous; + } + disappearing.unshift(lArc); + d3_geom_voronoiDetachCircle(lArc); + var rArc = next; + while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { + next = rArc.N; + disappearing.push(rArc); + d3_geom_voronoiDetachBeach(rArc); + rArc = next; + } + disappearing.push(rArc); + d3_geom_voronoiDetachCircle(rArc); + var nArcs = disappearing.length, iArc; + for (iArc = 1; iArc < nArcs; ++iArc) { + rArc = disappearing[iArc]; + lArc = disappearing[iArc - 1]; + d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); + } + lArc = disappearing[0]; + rArc = disappearing[nArcs - 1]; + rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); + d3_geom_voronoiAttachCircle(lArc); + d3_geom_voronoiAttachCircle(rArc); + } + function d3_geom_voronoiAddBeach(site) { + var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; + while (node) { + dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; + if (dxl > ε) node = node.L; else { + dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); + if (dxr > ε) { + if (!node.R) { + lArc = node; + break; + } + node = node.R; + } else { + if (dxl > -ε) { + lArc = node.P; + rArc = node; + } else if (dxr > -ε) { + lArc = node; + rArc = node.N; + } else { + lArc = rArc = node; + } + break; + } + } + } + var newArc = d3_geom_voronoiCreateBeach(site); + d3_geom_voronoiBeaches.insert(lArc, newArc); + if (!lArc && !rArc) return; + if (lArc === rArc) { + d3_geom_voronoiDetachCircle(lArc); + rArc = d3_geom_voronoiCreateBeach(lArc.site); + d3_geom_voronoiBeaches.insert(newArc, rArc); + newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); + d3_geom_voronoiAttachCircle(lArc); + d3_geom_voronoiAttachCircle(rArc); + return; + } + if (!rArc) { + newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); + return; + } + d3_geom_voronoiDetachCircle(lArc); + d3_geom_voronoiDetachCircle(rArc); + var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { + x: (cy * hb - by * hc) / d + ax, + y: (bx * hc - cx * hb) / d + ay + }; + d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); + newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); + rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); + d3_geom_voronoiAttachCircle(lArc); + d3_geom_voronoiAttachCircle(rArc); + } + function d3_geom_voronoiLeftBreakPoint(arc, directrix) { + var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; + if (!pby2) return rfocx; + var lArc = arc.P; + if (!lArc) return -Infinity; + site = lArc.site; + var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; + if (!plby2) return lfocx; + var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; + if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; + return (rfocx + lfocx) / 2; + } + function d3_geom_voronoiRightBreakPoint(arc, directrix) { + var rArc = arc.N; + if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); + var site = arc.site; + return site.y === directrix ? site.x : Infinity; + } + function d3_geom_voronoiCell(site) { + this.site = site; + this.edges = []; + } + d3_geom_voronoiCell.prototype.prepare = function() { + var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; + while (iHalfEdge--) { + edge = halfEdges[iHalfEdge].edge; + if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); + } + halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); + return halfEdges.length; + }; + function d3_geom_voronoiCloseCells(extent) { + var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; + while (iCell--) { + cell = cells[iCell]; + if (!cell || !cell.prepare()) continue; + halfEdges = cell.edges; + nHalfEdges = halfEdges.length; + iHalfEdge = 0; + while (iHalfEdge < nHalfEdges) { + end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; + start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; + if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { + halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { + x: x0, + y: abs(x2 - x0) < ε ? y2 : y1 + } : abs(y3 - y1) < ε && x1 - x3 > ε ? { + x: abs(y2 - y1) < ε ? x2 : x1, + y: y1 + } : abs(x3 - x1) < ε && y3 - y0 > ε ? { + x: x1, + y: abs(x2 - x1) < ε ? y2 : y0 + } : abs(y3 - y0) < ε && x3 - x0 > ε ? { + x: abs(y2 - y0) < ε ? x2 : x0, + y: y0 + } : null), cell.site, null)); + ++nHalfEdges; + } + } + } + } + function d3_geom_voronoiHalfEdgeOrder(a, b) { + return b.angle - a.angle; + } + function d3_geom_voronoiCircle() { + d3_geom_voronoiRedBlackNode(this); + this.x = this.y = this.arc = this.site = this.cy = null; + } + function d3_geom_voronoiAttachCircle(arc) { + var lArc = arc.P, rArc = arc.N; + if (!lArc || !rArc) return; + var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; + if (lSite === rSite) return; + var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; + var d = 2 * (ax * cy - ay * cx); + if (d >= -ε2) return; + var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; + var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); + circle.arc = arc; + circle.site = cSite; + circle.x = x + bx; + circle.y = cy + Math.sqrt(x * x + y * y); + circle.cy = cy; + arc.circle = circle; + var before = null, node = d3_geom_voronoiCircles._; + while (node) { + if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { + if (node.L) node = node.L; else { + before = node.P; + break; + } + } else { + if (node.R) node = node.R; else { + before = node; + break; + } + } + } + d3_geom_voronoiCircles.insert(before, circle); + if (!before) d3_geom_voronoiFirstCircle = circle; + } + function d3_geom_voronoiDetachCircle(arc) { + var circle = arc.circle; + if (circle) { + if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; + d3_geom_voronoiCircles.remove(circle); + d3_geom_voronoiCirclePool.push(circle); + d3_geom_voronoiRedBlackNode(circle); + arc.circle = null; + } + } + function d3_geom_voronoiClipEdges(extent) { + var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; + while (i--) { + e = edges[i]; + if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { + e.a = e.b = null; + edges.splice(i, 1); + } + } + } + function d3_geom_voronoiConnectEdge(edge, extent) { + var vb = edge.b; + if (vb) return true; + var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; + if (ry === ly) { + if (fx < x0 || fx >= x1) return; + if (lx > rx) { + if (!va) va = { + x: fx, + y: y0 + }; else if (va.y >= y1) return; + vb = { + x: fx, + y: y1 + }; + } else { + if (!va) va = { + x: fx, + y: y1 + }; else if (va.y < y0) return; + vb = { + x: fx, + y: y0 + }; + } + } else { + fm = (lx - rx) / (ry - ly); + fb = fy - fm * fx; + if (fm < -1 || fm > 1) { + if (lx > rx) { + if (!va) va = { + x: (y0 - fb) / fm, + y: y0 + }; else if (va.y >= y1) return; + vb = { + x: (y1 - fb) / fm, + y: y1 + }; + } else { + if (!va) va = { + x: (y1 - fb) / fm, + y: y1 + }; else if (va.y < y0) return; + vb = { + x: (y0 - fb) / fm, + y: y0 + }; + } + } else { + if (ly < ry) { + if (!va) va = { + x: x0, + y: fm * x0 + fb + }; else if (va.x >= x1) return; + vb = { + x: x1, + y: fm * x1 + fb + }; + } else { + if (!va) va = { + x: x1, + y: fm * x1 + fb + }; else if (va.x < x0) return; + vb = { + x: x0, + y: fm * x0 + fb + }; + } + } + } + edge.a = va; + edge.b = vb; + return true; + } + function d3_geom_voronoiEdge(lSite, rSite) { + this.l = lSite; + this.r = rSite; + this.a = this.b = null; + } + function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { + var edge = new d3_geom_voronoiEdge(lSite, rSite); + d3_geom_voronoiEdges.push(edge); + if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); + if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); + d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); + d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); + return edge; + } + function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { + var edge = new d3_geom_voronoiEdge(lSite, null); + edge.a = va; + edge.b = vb; + d3_geom_voronoiEdges.push(edge); + return edge; + } + function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { + if (!edge.a && !edge.b) { + edge.a = vertex; + edge.l = lSite; + edge.r = rSite; + } else if (edge.l === rSite) { + edge.b = vertex; + } else { + edge.a = vertex; + } + } + function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { + var va = edge.a, vb = edge.b; + this.edge = edge; + this.site = lSite; + this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); + } + d3_geom_voronoiHalfEdge.prototype = { + start: function() { + return this.edge.l === this.site ? this.edge.a : this.edge.b; + }, + end: function() { + return this.edge.l === this.site ? this.edge.b : this.edge.a; + } + }; + function d3_geom_voronoiRedBlackTree() { + this._ = null; + } + function d3_geom_voronoiRedBlackNode(node) { + node.U = node.C = node.L = node.R = node.P = node.N = null; + } + d3_geom_voronoiRedBlackTree.prototype = { + insert: function(after, node) { + var parent, grandpa, uncle; + if (after) { + node.P = after; + node.N = after.N; + if (after.N) after.N.P = node; + after.N = node; + if (after.R) { + after = after.R; + while (after.L) after = after.L; + after.L = node; + } else { + after.R = node; + } + parent = after; + } else if (this._) { + after = d3_geom_voronoiRedBlackFirst(this._); + node.P = null; + node.N = after; + after.P = after.L = node; + parent = after; + } else { + node.P = node.N = null; + this._ = node; + parent = null; + } + node.L = node.R = null; + node.U = parent; + node.C = true; + after = node; + while (parent && parent.C) { + grandpa = parent.U; + if (parent === grandpa.L) { + uncle = grandpa.R; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.R) { + d3_geom_voronoiRedBlackRotateLeft(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + d3_geom_voronoiRedBlackRotateRight(this, grandpa); + } + } else { + uncle = grandpa.L; + if (uncle && uncle.C) { + parent.C = uncle.C = false; + grandpa.C = true; + after = grandpa; + } else { + if (after === parent.L) { + d3_geom_voronoiRedBlackRotateRight(this, parent); + after = parent; + parent = after.U; + } + parent.C = false; + grandpa.C = true; + d3_geom_voronoiRedBlackRotateLeft(this, grandpa); + } + } + parent = after.U; + } + this._.C = false; + }, + remove: function(node) { + if (node.N) node.N.P = node.P; + if (node.P) node.P.N = node.N; + node.N = node.P = null; + var parent = node.U, sibling, left = node.L, right = node.R, next, red; + if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); + if (parent) { + if (parent.L === node) parent.L = next; else parent.R = next; + } else { + this._ = next; + } + if (left && right) { + red = next.C; + next.C = node.C; + next.L = left; + left.U = next; + if (next !== right) { + parent = next.U; + next.U = node.U; + node = next.R; + parent.L = node; + next.R = right; + right.U = next; + } else { + next.U = parent; + parent = next; + node = next.R; + } + } else { + red = node.C; + node = next; + } + if (node) node.U = parent; + if (red) return; + if (node && node.C) { + node.C = false; + return; + } + do { + if (node === this._) break; + if (node === parent.L) { + sibling = parent.R; + if (sibling.C) { + sibling.C = false; + parent.C = true; + d3_geom_voronoiRedBlackRotateLeft(this, parent); + sibling = parent.R; + } + if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { + if (!sibling.R || !sibling.R.C) { + sibling.L.C = false; + sibling.C = true; + d3_geom_voronoiRedBlackRotateRight(this, sibling); + sibling = parent.R; + } + sibling.C = parent.C; + parent.C = sibling.R.C = false; + d3_geom_voronoiRedBlackRotateLeft(this, parent); + node = this._; + break; + } + } else { + sibling = parent.L; + if (sibling.C) { + sibling.C = false; + parent.C = true; + d3_geom_voronoiRedBlackRotateRight(this, parent); + sibling = parent.L; + } + if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { + if (!sibling.L || !sibling.L.C) { + sibling.R.C = false; + sibling.C = true; + d3_geom_voronoiRedBlackRotateLeft(this, sibling); + sibling = parent.L; + } + sibling.C = parent.C; + parent.C = sibling.L.C = false; + d3_geom_voronoiRedBlackRotateRight(this, parent); + node = this._; + break; + } + } + sibling.C = true; + node = parent; + parent = parent.U; + } while (!node.C); + if (node) node.C = false; + } + }; + function d3_geom_voronoiRedBlackRotateLeft(tree, node) { + var p = node, q = node.R, parent = p.U; + if (parent) { + if (parent.L === p) parent.L = q; else parent.R = q; + } else { + tree._ = q; + } + q.U = parent; + p.U = q; + p.R = q.L; + if (p.R) p.R.U = p; + q.L = p; + } + function d3_geom_voronoiRedBlackRotateRight(tree, node) { + var p = node, q = node.L, parent = p.U; + if (parent) { + if (parent.L === p) parent.L = q; else parent.R = q; + } else { + tree._ = q; + } + q.U = parent; + p.U = q; + p.L = q.R; + if (p.L) p.L.U = p; + q.R = p; + } + function d3_geom_voronoiRedBlackFirst(node) { + while (node.L) node = node.L; + return node; + } + function d3_geom_voronoi(sites, bbox) { + var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; + d3_geom_voronoiEdges = []; + d3_geom_voronoiCells = new Array(sites.length); + d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); + d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); + while (true) { + circle = d3_geom_voronoiFirstCircle; + if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { + if (site.x !== x0 || site.y !== y0) { + d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); + d3_geom_voronoiAddBeach(site); + x0 = site.x, y0 = site.y; + } + site = sites.pop(); + } else if (circle) { + d3_geom_voronoiRemoveBeach(circle.arc); + } else { + break; + } + } + if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); + var diagram = { + cells: d3_geom_voronoiCells, + edges: d3_geom_voronoiEdges + }; + d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; + return diagram; + } + function d3_geom_voronoiVertexOrder(a, b) { + return b.y - a.y || b.x - a.x; + } + d3.geom.voronoi = function(points) { + var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; + if (points) return voronoi(points); + function voronoi(data) { + var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; + d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { + var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { + var s = e.start(); + return [ s.x, s.y ]; + }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; + polygon.point = data[i]; + }); + return polygons; + } + function sites(data) { + return data.map(function(d, i) { + return { + x: Math.round(fx(d, i) / ε) * ε, + y: Math.round(fy(d, i) / ε) * ε, + i: i + }; + }); + } + voronoi.links = function(data) { + return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { + return edge.l && edge.r; + }).map(function(edge) { + return { + source: data[edge.l.i], + target: data[edge.r.i] + }; + }); + }; + voronoi.triangles = function(data) { + var triangles = []; + d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { + var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; + while (++j < m) { + s0 = s1; + e1 = edges[j].edge; + s1 = e1.l === site ? e1.r : e1.l; + if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { + triangles.push([ data[i], data[s0.i], data[s1.i] ]); + } + } + }); + return triangles; + }; + voronoi.x = function(_) { + return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; + }; + voronoi.y = function(_) { + return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; + }; + voronoi.clipExtent = function(_) { + if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; + clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; + return voronoi; + }; + voronoi.size = function(_) { + if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; + return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); + }; + return voronoi; + }; + var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; + function d3_geom_voronoiTriangleArea(a, b, c) { + return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); + } + d3.geom.delaunay = function(vertices) { + return d3.geom.voronoi().triangles(vertices); + }; + d3.geom.quadtree = function(points, x1, y1, x2, y2) { + var x = d3_geom_pointX, y = d3_geom_pointY, compat; + if (compat = arguments.length) { + x = d3_geom_quadtreeCompatX; + y = d3_geom_quadtreeCompatY; + if (compat === 3) { + y2 = y1; + x2 = x1; + y1 = x1 = 0; + } + return quadtree(points); + } + function quadtree(data) { + var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_; + if (x1 != null) { + x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2; + } else { + x2_ = y2_ = -(x1_ = y1_ = Infinity); + xs = [], ys = []; + n = data.length; + if (compat) for (i = 0; i < n; ++i) { + d = data[i]; + if (d.x < x1_) x1_ = d.x; + if (d.y < y1_) y1_ = d.y; + if (d.x > x2_) x2_ = d.x; + if (d.y > y2_) y2_ = d.y; + xs.push(d.x); + ys.push(d.y); + } else for (i = 0; i < n; ++i) { + var x_ = +fx(d = data[i], i), y_ = +fy(d, i); + if (x_ < x1_) x1_ = x_; + if (y_ < y1_) y1_ = y_; + if (x_ > x2_) x2_ = x_; + if (y_ > y2_) y2_ = y_; + xs.push(x_); + ys.push(y_); + } + } + var dx = x2_ - x1_, dy = y2_ - y1_; + if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy; + function insert(n, d, x, y, x1, y1, x2, y2) { + if (isNaN(x) || isNaN(y)) return; + if (n.leaf) { + var nx = n.x, ny = n.y; + if (nx != null) { + if (abs(nx - x) + abs(ny - y) < .01) { + insertChild(n, d, x, y, x1, y1, x2, y2); + } else { + var nPoint = n.point; + n.x = n.y = n.point = null; + insertChild(n, nPoint, nx, ny, x1, y1, x2, y2); + insertChild(n, d, x, y, x1, y1, x2, y2); + } + } else { + n.x = x, n.y = y, n.point = d; + } + } else { + insertChild(n, d, x, y, x1, y1, x2, y2); + } + } + function insertChild(n, d, x, y, x1, y1, x2, y2) { + var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right; + n.leaf = false; + n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); + if (right) x1 = xm; else x2 = xm; + if (below) y1 = ym; else y2 = ym; + insert(n, d, x, y, x1, y1, x2, y2); + } + var root = d3_geom_quadtreeNode(); + root.add = function(d) { + insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_); + }; + root.visit = function(f) { + d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_); + }; + root.find = function(point) { + return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_); + }; + i = -1; + if (x1 == null) { + while (++i < n) { + insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_); + } + --i; + } else data.forEach(root.add); + xs = ys = data = d = null; + return root; + } + quadtree.x = function(_) { + return arguments.length ? (x = _, quadtree) : x; + }; + quadtree.y = function(_) { + return arguments.length ? (y = _, quadtree) : y; + }; + quadtree.extent = function(_) { + if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; + if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], + y2 = +_[1][1]; + return quadtree; + }; + quadtree.size = function(_) { + if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; + if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1]; + return quadtree; + }; + return quadtree; + }; + function d3_geom_quadtreeCompatX(d) { + return d.x; + } + function d3_geom_quadtreeCompatY(d) { + return d.y; + } + function d3_geom_quadtreeNode() { + return { + leaf: true, + nodes: [], + point: null, + x: null, + y: null + }; + } + function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { + if (!f(node, x1, y1, x2, y2)) { + var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; + if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); + if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); + if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); + if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); + } + } + function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) { + var minDistance2 = Infinity, closestPoint; + (function find(node, x1, y1, x2, y2) { + if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return; + if (point = node.point) { + var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy; + if (distance2 < minDistance2) { + var distance = Math.sqrt(minDistance2 = distance2); + x0 = x - distance, y0 = y - distance; + x3 = x + distance, y3 = y + distance; + closestPoint = point; + } + } + var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym; + for (var i = below << 1 | right, j = i + 4; i < j; ++i) { + if (node = children[i & 3]) switch (i & 3) { + case 0: + find(node, x1, y1, xm, ym); + break; + + case 1: + find(node, xm, y1, x2, ym); + break; + + case 2: + find(node, x1, ym, xm, y2); + break; + + case 3: + find(node, xm, ym, x2, y2); + break; + } + } + })(root, x0, y0, x3, y3); + return closestPoint; + } + d3.interpolateRgb = d3_interpolateRgb; + function d3_interpolateRgb(a, b) { + a = d3.rgb(a); + b = d3.rgb(b); + var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; + return function(t) { + return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t)); + }; + } + d3.interpolateObject = d3_interpolateObject; + function d3_interpolateObject(a, b) { + var i = {}, c = {}, k; + for (k in a) { + if (k in b) { + i[k] = d3_interpolate(a[k], b[k]); + } else { + c[k] = a[k]; + } + } + for (k in b) { + if (!(k in a)) { + c[k] = b[k]; + } + } + return function(t) { + for (k in i) c[k] = i[k](t); + return c; + }; + } + d3.interpolateNumber = d3_interpolateNumber; + function d3_interpolateNumber(a, b) { + a = +a, b = +b; + return function(t) { + return a * (1 - t) + b * t; + }; + } + d3.interpolateString = d3_interpolateString; + function d3_interpolateString(a, b) { + var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = []; + a = a + "", b = b + ""; + while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) { + if ((bs = bm.index) > bi) { + bs = b.slice(bi, bs); + if (s[i]) s[i] += bs; else s[++i] = bs; + } + if ((am = am[0]) === (bm = bm[0])) { + if (s[i]) s[i] += bm; else s[++i] = bm; + } else { + s[++i] = null; + q.push({ + i: i, + x: d3_interpolateNumber(am, bm) + }); + } + bi = d3_interpolate_numberB.lastIndex; + } + if (bi < b.length) { + bs = b.slice(bi); + if (s[i]) s[i] += bs; else s[++i] = bs; + } + return s.length < 2 ? q[0] ? (b = q[0].x, function(t) { + return b(t) + ""; + }) : function() { + return b; + } : (b = q.length, function(t) { + for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }); + } + var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g"); + d3.interpolate = d3_interpolate; + function d3_interpolate(a, b) { + var i = d3.interpolators.length, f; + while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; + return f; + } + d3.interpolators = [ function(a, b) { + var t = typeof b; + return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); + } ]; + d3.interpolateArray = d3_interpolateArray; + function d3_interpolateArray(a, b) { + var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; + for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i])); + for (;i < na; ++i) c[i] = a[i]; + for (;i < nb; ++i) c[i] = b[i]; + return function(t) { + for (i = 0; i < n0; ++i) c[i] = x[i](t); + return c; + }; + } + var d3_ease_default = function() { + return d3_identity; + }; + var d3_ease = d3.map({ + linear: d3_ease_default, + poly: d3_ease_poly, + quad: function() { + return d3_ease_quad; + }, + cubic: function() { + return d3_ease_cubic; + }, + sin: function() { + return d3_ease_sin; + }, + exp: function() { + return d3_ease_exp; + }, + circle: function() { + return d3_ease_circle; + }, + elastic: d3_ease_elastic, + back: d3_ease_back, + bounce: function() { + return d3_ease_bounce; + } + }); + var d3_ease_mode = d3.map({ + "in": d3_identity, + out: d3_ease_reverse, + "in-out": d3_ease_reflect, + "out-in": function(f) { + return d3_ease_reflect(d3_ease_reverse(f)); + } + }); + d3.ease = function(name) { + var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in"; + t = d3_ease.get(t) || d3_ease_default; + m = d3_ease_mode.get(m) || d3_identity; + return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1)))); + }; + function d3_ease_clamp(f) { + return function(t) { + return t <= 0 ? 0 : t >= 1 ? 1 : f(t); + }; + } + function d3_ease_reverse(f) { + return function(t) { + return 1 - f(1 - t); + }; + } + function d3_ease_reflect(f) { + return function(t) { + return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); + }; + } + function d3_ease_quad(t) { + return t * t; + } + function d3_ease_cubic(t) { + return t * t * t; + } + function d3_ease_cubicInOut(t) { + if (t <= 0) return 0; + if (t >= 1) return 1; + var t2 = t * t, t3 = t2 * t; + return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); + } + function d3_ease_poly(e) { + return function(t) { + return Math.pow(t, e); + }; + } + function d3_ease_sin(t) { + return 1 - Math.cos(t * halfπ); + } + function d3_ease_exp(t) { + return Math.pow(2, 10 * (t - 1)); + } + function d3_ease_circle(t) { + return 1 - Math.sqrt(1 - t * t); + } + function d3_ease_elastic(a, p) { + var s; + if (arguments.length < 2) p = .45; + if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4; + return function(t) { + return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p); + }; + } + function d3_ease_back(s) { + if (!s) s = 1.70158; + return function(t) { + return t * t * ((s + 1) * t - s); + }; + } + function d3_ease_bounce(t) { + return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; + } + d3.interpolateHcl = d3_interpolateHcl; + function d3_interpolateHcl(a, b) { + a = d3.hcl(a); + b = d3.hcl(b); + var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; + if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; + if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; + return function(t) { + return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; + }; + } + d3.interpolateHsl = d3_interpolateHsl; + function d3_interpolateHsl(a, b) { + a = d3.hsl(a); + b = d3.hsl(b); + var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; + if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; + if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; + return function(t) { + return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + ""; + }; + } + d3.interpolateLab = d3_interpolateLab; + function d3_interpolateLab(a, b) { + a = d3.lab(a); + b = d3.lab(b); + var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; + return function(t) { + return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; + }; + } + d3.interpolateRound = d3_interpolateRound; + function d3_interpolateRound(a, b) { + b -= a; + return function(t) { + return Math.round(a + b * t); + }; + } + d3.transform = function(string) { + var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); + return (d3.transform = function(string) { + if (string != null) { + g.setAttribute("transform", string); + var t = g.transform.baseVal.consolidate(); + } + return new d3_transform(t ? t.matrix : d3_transformIdentity); + })(string); + }; + function d3_transform(m) { + var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; + if (r0[0] * r1[1] < r1[0] * r0[1]) { + r0[0] *= -1; + r0[1] *= -1; + kx *= -1; + kz *= -1; + } + this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; + this.translate = [ m.e, m.f ]; + this.scale = [ kx, ky ]; + this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; + } + d3_transform.prototype.toString = function() { + return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; + }; + function d3_transformDot(a, b) { + return a[0] * b[0] + a[1] * b[1]; + } + function d3_transformNormalize(a) { + var k = Math.sqrt(d3_transformDot(a, a)); + if (k) { + a[0] /= k; + a[1] /= k; + } + return k; + } + function d3_transformCombine(a, b, k) { + a[0] += k * b[0]; + a[1] += k * b[1]; + return a; + } + var d3_transformIdentity = { + a: 1, + b: 0, + c: 0, + d: 1, + e: 0, + f: 0 + }; + d3.interpolateTransform = d3_interpolateTransform; + function d3_interpolateTransformPop(s) { + return s.length ? s.pop() + "," : ""; + } + function d3_interpolateTranslate(ta, tb, s, q) { + if (ta[0] !== tb[0] || ta[1] !== tb[1]) { + var i = s.push("translate(", null, ",", null, ")"); + q.push({ + i: i - 4, + x: d3_interpolateNumber(ta[0], tb[0]) + }, { + i: i - 2, + x: d3_interpolateNumber(ta[1], tb[1]) + }); + } else if (tb[0] || tb[1]) { + s.push("translate(" + tb + ")"); + } + } + function d3_interpolateRotate(ra, rb, s, q) { + if (ra !== rb) { + if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; + q.push({ + i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, + x: d3_interpolateNumber(ra, rb) + }); + } else if (rb) { + s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); + } + } + function d3_interpolateSkew(wa, wb, s, q) { + if (wa !== wb) { + q.push({ + i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, + x: d3_interpolateNumber(wa, wb) + }); + } else if (wb) { + s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); + } + } + function d3_interpolateScale(ka, kb, s, q) { + if (ka[0] !== kb[0] || ka[1] !== kb[1]) { + var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); + q.push({ + i: i - 4, + x: d3_interpolateNumber(ka[0], kb[0]) + }, { + i: i - 2, + x: d3_interpolateNumber(ka[1], kb[1]) + }); + } else if (kb[0] !== 1 || kb[1] !== 1) { + s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); + } + } + function d3_interpolateTransform(a, b) { + var s = [], q = []; + a = d3.transform(a), b = d3.transform(b); + d3_interpolateTranslate(a.translate, b.translate, s, q); + d3_interpolateRotate(a.rotate, b.rotate, s, q); + d3_interpolateSkew(a.skew, b.skew, s, q); + d3_interpolateScale(a.scale, b.scale, s, q); + a = b = null; + return function(t) { + var i = -1, n = q.length, o; + while (++i < n) s[(o = q[i]).i] = o.x(t); + return s.join(""); + }; + } + function d3_uninterpolateNumber(a, b) { + b = (b -= a = +a) || 1 / b; + return function(x) { + return (x - a) / b; + }; + } + function d3_uninterpolateClamp(a, b) { + b = (b -= a = +a) || 1 / b; + return function(x) { + return Math.max(0, Math.min(1, (x - a) / b)); + }; + } + d3.layout = {}; + d3.layout.bundle = function() { + return function(links) { + var paths = [], i = -1, n = links.length; + while (++i < n) paths.push(d3_layout_bundlePath(links[i])); + return paths; + }; + }; + function d3_layout_bundlePath(link) { + var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; + while (start !== lca) { + start = start.parent; + points.push(start); + } + var k = points.length; + while (end !== lca) { + points.splice(k, 0, end); + end = end.parent; + } + return points; + } + function d3_layout_bundleAncestors(node) { + var ancestors = [], parent = node.parent; + while (parent != null) { + ancestors.push(node); + node = parent; + parent = parent.parent; + } + ancestors.push(node); + return ancestors; + } + function d3_layout_bundleLeastCommonAncestor(a, b) { + if (a === b) return a; + var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; + while (aNode === bNode) { + sharedNode = aNode; + aNode = aNodes.pop(); + bNode = bNodes.pop(); + } + return sharedNode; + } + d3.layout.chord = function() { + var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; + function relayout() { + var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; + chords = []; + groups = []; + k = 0, i = -1; + while (++i < n) { + x = 0, j = -1; + while (++j < n) { + x += matrix[i][j]; + } + groupSums.push(x); + subgroupIndex.push(d3.range(n)); + k += x; + } + if (sortGroups) { + groupIndex.sort(function(a, b) { + return sortGroups(groupSums[a], groupSums[b]); + }); + } + if (sortSubgroups) { + subgroupIndex.forEach(function(d, i) { + d.sort(function(a, b) { + return sortSubgroups(matrix[i][a], matrix[i][b]); + }); + }); + } + k = (τ - padding * n) / k; + x = 0, i = -1; + while (++i < n) { + x0 = x, j = -1; + while (++j < n) { + var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; + subgroups[di + "-" + dj] = { + index: di, + subindex: dj, + startAngle: a0, + endAngle: a1, + value: v + }; + } + groups[di] = { + index: di, + startAngle: x0, + endAngle: x, + value: groupSums[di] + }; + x += padding; + } + i = -1; + while (++i < n) { + j = i - 1; + while (++j < n) { + var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; + if (source.value || target.value) { + chords.push(source.value < target.value ? { + source: target, + target: source + } : { + source: source, + target: target + }); + } + } + } + if (sortChords) resort(); + } + function resort() { + chords.sort(function(a, b) { + return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); + }); + } + chord.matrix = function(x) { + if (!arguments.length) return matrix; + n = (matrix = x) && matrix.length; + chords = groups = null; + return chord; + }; + chord.padding = function(x) { + if (!arguments.length) return padding; + padding = x; + chords = groups = null; + return chord; + }; + chord.sortGroups = function(x) { + if (!arguments.length) return sortGroups; + sortGroups = x; + chords = groups = null; + return chord; + }; + chord.sortSubgroups = function(x) { + if (!arguments.length) return sortSubgroups; + sortSubgroups = x; + chords = null; + return chord; + }; + chord.sortChords = function(x) { + if (!arguments.length) return sortChords; + sortChords = x; + if (chords) resort(); + return chord; + }; + chord.chords = function() { + if (!chords) relayout(); + return chords; + }; + chord.groups = function() { + if (!groups) relayout(); + return groups; + }; + return chord; + }; + d3.layout.force = function() { + var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; + function repulse(node) { + return function(quad, x1, _, x2) { + if (quad.point !== node) { + var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy; + if (dw * dw / theta2 < dn) { + if (dn < chargeDistance2) { + var k = quad.charge / dn; + node.px -= dx * k; + node.py -= dy * k; + } + return true; + } + if (quad.point && dn && dn < chargeDistance2) { + var k = quad.pointCharge / dn; + node.px -= dx * k; + node.py -= dy * k; + } + } + return !quad.charge; + }; + } + force.tick = function() { + if ((alpha *= .99) < .005) { + timer = null; + event.end({ + type: "end", + alpha: alpha = 0 + }); + return true; + } + var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; + for (i = 0; i < m; ++i) { + o = links[i]; + s = o.source; + t = o.target; + x = t.x - s.x; + y = t.y - s.y; + if (l = x * x + y * y) { + l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; + x *= l; + y *= l; + t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5); + t.y -= y * k; + s.x += x * (k = 1 - k); + s.y += y * k; + } + } + if (k = alpha * gravity) { + x = size[0] / 2; + y = size[1] / 2; + i = -1; + if (k) while (++i < n) { + o = nodes[i]; + o.x += (x - o.x) * k; + o.y += (y - o.y) * k; + } + } + if (charge) { + d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); + i = -1; + while (++i < n) { + if (!(o = nodes[i]).fixed) { + q.visit(repulse(o)); + } + } + } + i = -1; + while (++i < n) { + o = nodes[i]; + if (o.fixed) { + o.x = o.px; + o.y = o.py; + } else { + o.x -= (o.px - (o.px = o.x)) * friction; + o.y -= (o.py - (o.py = o.y)) * friction; + } + } + event.tick({ + type: "tick", + alpha: alpha + }); + }; + force.nodes = function(x) { + if (!arguments.length) return nodes; + nodes = x; + return force; + }; + force.links = function(x) { + if (!arguments.length) return links; + links = x; + return force; + }; + force.size = function(x) { + if (!arguments.length) return size; + size = x; + return force; + }; + force.linkDistance = function(x) { + if (!arguments.length) return linkDistance; + linkDistance = typeof x === "function" ? x : +x; + return force; + }; + force.distance = force.linkDistance; + force.linkStrength = function(x) { + if (!arguments.length) return linkStrength; + linkStrength = typeof x === "function" ? x : +x; + return force; + }; + force.friction = function(x) { + if (!arguments.length) return friction; + friction = +x; + return force; + }; + force.charge = function(x) { + if (!arguments.length) return charge; + charge = typeof x === "function" ? x : +x; + return force; + }; + force.chargeDistance = function(x) { + if (!arguments.length) return Math.sqrt(chargeDistance2); + chargeDistance2 = x * x; + return force; + }; + force.gravity = function(x) { + if (!arguments.length) return gravity; + gravity = +x; + return force; + }; + force.theta = function(x) { + if (!arguments.length) return Math.sqrt(theta2); + theta2 = x * x; + return force; + }; + force.alpha = function(x) { + if (!arguments.length) return alpha; + x = +x; + if (alpha) { + if (x > 0) { + alpha = x; + } else { + timer.c = null, timer.t = NaN, timer = null; + event.end({ + type: "end", + alpha: alpha = 0 + }); + } + } else if (x > 0) { + event.start({ + type: "start", + alpha: alpha = x + }); + timer = d3_timer(force.tick); + } + return force; + }; + force.start = function() { + var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; + for (i = 0; i < n; ++i) { + (o = nodes[i]).index = i; + o.weight = 0; + } + for (i = 0; i < m; ++i) { + o = links[i]; + if (typeof o.source == "number") o.source = nodes[o.source]; + if (typeof o.target == "number") o.target = nodes[o.target]; + ++o.source.weight; + ++o.target.weight; + } + for (i = 0; i < n; ++i) { + o = nodes[i]; + if (isNaN(o.x)) o.x = position("x", w); + if (isNaN(o.y)) o.y = position("y", h); + if (isNaN(o.px)) o.px = o.x; + if (isNaN(o.py)) o.py = o.y; + } + distances = []; + if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance; + strengths = []; + if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength; + charges = []; + if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge; + function position(dimension, size) { + if (!neighbors) { + neighbors = new Array(n); + for (j = 0; j < n; ++j) { + neighbors[j] = []; + } + for (j = 0; j < m; ++j) { + var o = links[j]; + neighbors[o.source.index].push(o.target); + neighbors[o.target.index].push(o.source); + } + } + var candidates = neighbors[i], j = -1, l = candidates.length, x; + while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x; + return Math.random() * size; + } + return force.resume(); + }; + force.resume = function() { + return force.alpha(.1); + }; + force.stop = function() { + return force.alpha(0); + }; + force.drag = function() { + if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend); + if (!arguments.length) return drag; + this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); + }; + function dragmove(d) { + d.px = d3.event.x, d.py = d3.event.y; + force.resume(); + } + return d3.rebind(force, event, "on"); + }; + function d3_layout_forceDragstart(d) { + d.fixed |= 2; + } + function d3_layout_forceDragend(d) { + d.fixed &= ~6; + } + function d3_layout_forceMouseover(d) { + d.fixed |= 4; + d.px = d.x, d.py = d.y; + } + function d3_layout_forceMouseout(d) { + d.fixed &= ~4; + } + function d3_layout_forceAccumulate(quad, alpha, charges) { + var cx = 0, cy = 0; + quad.charge = 0; + if (!quad.leaf) { + var nodes = quad.nodes, n = nodes.length, i = -1, c; + while (++i < n) { + c = nodes[i]; + if (c == null) continue; + d3_layout_forceAccumulate(c, alpha, charges); + quad.charge += c.charge; + cx += c.charge * c.cx; + cy += c.charge * c.cy; + } + } + if (quad.point) { + if (!quad.leaf) { + quad.point.x += Math.random() - .5; + quad.point.y += Math.random() - .5; + } + var k = alpha * charges[quad.point.index]; + quad.charge += quad.pointCharge = k; + cx += k * quad.point.x; + cy += k * quad.point.y; + } + quad.cx = cx / quad.charge; + quad.cy = cy / quad.charge; + } + var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity; + d3.layout.hierarchy = function() { + var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; + function hierarchy(root) { + var stack = [ root ], nodes = [], node; + root.depth = 0; + while ((node = stack.pop()) != null) { + nodes.push(node); + if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) { + var n, childs, child; + while (--n >= 0) { + stack.push(child = childs[n]); + child.parent = node; + child.depth = node.depth + 1; + } + if (value) node.value = 0; + node.children = childs; + } else { + if (value) node.value = +value.call(hierarchy, node, node.depth) || 0; + delete node.children; + } + } + d3_layout_hierarchyVisitAfter(root, function(node) { + var childs, parent; + if (sort && (childs = node.children)) childs.sort(sort); + if (value && (parent = node.parent)) parent.value += node.value; + }); + return nodes; + } + hierarchy.sort = function(x) { + if (!arguments.length) return sort; + sort = x; + return hierarchy; + }; + hierarchy.children = function(x) { + if (!arguments.length) return children; + children = x; + return hierarchy; + }; + hierarchy.value = function(x) { + if (!arguments.length) return value; + value = x; + return hierarchy; + }; + hierarchy.revalue = function(root) { + if (value) { + d3_layout_hierarchyVisitBefore(root, function(node) { + if (node.children) node.value = 0; + }); + d3_layout_hierarchyVisitAfter(root, function(node) { + var parent; + if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0; + if (parent = node.parent) parent.value += node.value; + }); + } + return root; + }; + return hierarchy; + }; + function d3_layout_hierarchyRebind(object, hierarchy) { + d3.rebind(object, hierarchy, "sort", "children", "value"); + object.nodes = object; + object.links = d3_layout_hierarchyLinks; + return object; + } + function d3_layout_hierarchyVisitBefore(node, callback) { + var nodes = [ node ]; + while ((node = nodes.pop()) != null) { + callback(node); + if ((children = node.children) && (n = children.length)) { + var n, children; + while (--n >= 0) nodes.push(children[n]); + } + } + } + function d3_layout_hierarchyVisitAfter(node, callback) { + var nodes = [ node ], nodes2 = []; + while ((node = nodes.pop()) != null) { + nodes2.push(node); + if ((children = node.children) && (n = children.length)) { + var i = -1, n, children; + while (++i < n) nodes.push(children[i]); + } + } + while ((node = nodes2.pop()) != null) { + callback(node); + } + } + function d3_layout_hierarchyChildren(d) { + return d.children; + } + function d3_layout_hierarchyValue(d) { + return d.value; + } + function d3_layout_hierarchySort(a, b) { + return b.value - a.value; + } + function d3_layout_hierarchyLinks(nodes) { + return d3.merge(nodes.map(function(parent) { + return (parent.children || []).map(function(child) { + return { + source: parent, + target: child + }; + }); + })); + } + d3.layout.partition = function() { + var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; + function position(node, x, dx, dy) { + var children = node.children; + node.x = x; + node.y = node.depth * dy; + node.dx = dx; + node.dy = dy; + if (children && (n = children.length)) { + var i = -1, n, c, d; + dx = node.value ? dx / node.value : 0; + while (++i < n) { + position(c = children[i], x, d = c.value * dx, dy); + x += d; + } + } + } + function depth(node) { + var children = node.children, d = 0; + if (children && (n = children.length)) { + var i = -1, n; + while (++i < n) d = Math.max(d, depth(children[i])); + } + return 1 + d; + } + function partition(d, i) { + var nodes = hierarchy.call(this, d, i); + position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); + return nodes; + } + partition.size = function(x) { + if (!arguments.length) return size; + size = x; + return partition; + }; + return d3_layout_hierarchyRebind(partition, hierarchy); + }; + d3.layout.pie = function() { + var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0; + function pie(data) { + var n = data.length, values = data.map(function(d, i) { + return +value.call(pie, d, i); + }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v; + if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { + return values[j] - values[i]; + } : function(i, j) { + return sort(data[i], data[j]); + }); + index.forEach(function(i) { + arcs[i] = { + data: data[i], + value: v = values[i], + startAngle: a, + endAngle: a += v * k + pa, + padAngle: p + }; + }); + return arcs; + } + pie.value = function(_) { + if (!arguments.length) return value; + value = _; + return pie; + }; + pie.sort = function(_) { + if (!arguments.length) return sort; + sort = _; + return pie; + }; + pie.startAngle = function(_) { + if (!arguments.length) return startAngle; + startAngle = _; + return pie; + }; + pie.endAngle = function(_) { + if (!arguments.length) return endAngle; + endAngle = _; + return pie; + }; + pie.padAngle = function(_) { + if (!arguments.length) return padAngle; + padAngle = _; + return pie; + }; + return pie; + }; + var d3_layout_pieSortByValue = {}; + d3.layout.stack = function() { + var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; + function stack(data, index) { + if (!(n = data.length)) return data; + var series = data.map(function(d, i) { + return values.call(stack, d, i); + }); + var points = series.map(function(d) { + return d.map(function(v, i) { + return [ x.call(stack, v, i), y.call(stack, v, i) ]; + }); + }); + var orders = order.call(stack, points, index); + series = d3.permute(series, orders); + points = d3.permute(points, orders); + var offsets = offset.call(stack, points, index); + var m = series[0].length, n, i, j, o; + for (j = 0; j < m; ++j) { + out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); + for (i = 1; i < n; ++i) { + out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); + } + } + return data; + } + stack.values = function(x) { + if (!arguments.length) return values; + values = x; + return stack; + }; + stack.order = function(x) { + if (!arguments.length) return order; + order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; + return stack; + }; + stack.offset = function(x) { + if (!arguments.length) return offset; + offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; + return stack; + }; + stack.x = function(z) { + if (!arguments.length) return x; + x = z; + return stack; + }; + stack.y = function(z) { + if (!arguments.length) return y; + y = z; + return stack; + }; + stack.out = function(z) { + if (!arguments.length) return out; + out = z; + return stack; + }; + return stack; + }; + function d3_layout_stackX(d) { + return d.x; + } + function d3_layout_stackY(d) { + return d.y; + } + function d3_layout_stackOut(d, y0, y) { + d.y0 = y0; + d.y = y; + } + var d3_layout_stackOrders = d3.map({ + "inside-out": function(data) { + var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) { + return max[a] - max[b]; + }), top = 0, bottom = 0, tops = [], bottoms = []; + for (i = 0; i < n; ++i) { + j = index[i]; + if (top < bottom) { + top += sums[j]; + tops.push(j); + } else { + bottom += sums[j]; + bottoms.push(j); + } + } + return bottoms.reverse().concat(tops); + }, + reverse: function(data) { + return d3.range(data.length).reverse(); + }, + "default": d3_layout_stackOrderDefault + }); + var d3_layout_stackOffsets = d3.map({ + silhouette: function(data) { + var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; + for (j = 0; j < m; ++j) { + for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; + if (o > max) max = o; + sums.push(o); + } + for (j = 0; j < m; ++j) { + y0[j] = (max - sums[j]) / 2; + } + return y0; + }, + wiggle: function(data) { + var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; + y0[0] = o = o0 = 0; + for (j = 1; j < m; ++j) { + for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; + for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { + for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { + s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; + } + s2 += s3 * data[i][j][1]; + } + y0[j] = o -= s1 ? s2 / s1 * dx : 0; + if (o < o0) o0 = o; + } + for (j = 0; j < m; ++j) y0[j] -= o0; + return y0; + }, + expand: function(data) { + var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; + for (j = 0; j < m; ++j) { + for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; + if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k; + } + for (j = 0; j < m; ++j) y0[j] = 0; + return y0; + }, + zero: d3_layout_stackOffsetZero + }); + function d3_layout_stackOrderDefault(data) { + return d3.range(data.length); + } + function d3_layout_stackOffsetZero(data) { + var j = -1, m = data[0].length, y0 = []; + while (++j < m) y0[j] = 0; + return y0; + } + function d3_layout_stackMaxIndex(array) { + var i = 1, j = 0, v = array[0][1], k, n = array.length; + for (;i < n; ++i) { + if ((k = array[i][1]) > v) { + j = i; + v = k; + } + } + return j; + } + function d3_layout_stackReduceSum(d) { + return d.reduce(d3_layout_stackSum, 0); + } + function d3_layout_stackSum(p, d) { + return p + d[1]; + } + d3.layout.histogram = function() { + var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; + function histogram(data, i) { + var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x; + while (++i < m) { + bin = bins[i] = []; + bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); + bin.y = 0; + } + if (m > 0) { + i = -1; + while (++i < n) { + x = values[i]; + if (x >= range[0] && x <= range[1]) { + bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; + bin.y += k; + bin.push(data[i]); + } + } + } + return bins; + } + histogram.value = function(x) { + if (!arguments.length) return valuer; + valuer = x; + return histogram; + }; + histogram.range = function(x) { + if (!arguments.length) return ranger; + ranger = d3_functor(x); + return histogram; + }; + histogram.bins = function(x) { + if (!arguments.length) return binner; + binner = typeof x === "number" ? function(range) { + return d3_layout_histogramBinFixed(range, x); + } : d3_functor(x); + return histogram; + }; + histogram.frequency = function(x) { + if (!arguments.length) return frequency; + frequency = !!x; + return histogram; + }; + return histogram; + }; + function d3_layout_histogramBinSturges(range, values) { + return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); + } + function d3_layout_histogramBinFixed(range, n) { + var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; + while (++x <= n) f[x] = m * x + b; + return f; + } + function d3_layout_histogramRange(values) { + return [ d3.min(values), d3.max(values) ]; + } + d3.layout.pack = function() { + var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; + function pack(d, i) { + var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { + return radius; + }; + root.x = root.y = 0; + d3_layout_hierarchyVisitAfter(root, function(d) { + d.r = +r(d.value); + }); + d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); + if (padding) { + var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; + d3_layout_hierarchyVisitAfter(root, function(d) { + d.r += dr; + }); + d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); + d3_layout_hierarchyVisitAfter(root, function(d) { + d.r -= dr; + }); + } + d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); + return nodes; + } + pack.size = function(_) { + if (!arguments.length) return size; + size = _; + return pack; + }; + pack.radius = function(_) { + if (!arguments.length) return radius; + radius = _ == null || typeof _ === "function" ? _ : +_; + return pack; + }; + pack.padding = function(_) { + if (!arguments.length) return padding; + padding = +_; + return pack; + }; + return d3_layout_hierarchyRebind(pack, hierarchy); + }; + function d3_layout_packSort(a, b) { + return a.value - b.value; + } + function d3_layout_packInsert(a, b) { + var c = a._pack_next; + a._pack_next = b; + b._pack_prev = a; + b._pack_next = c; + c._pack_prev = b; + } + function d3_layout_packSplice(a, b) { + a._pack_next = b; + b._pack_prev = a; + } + function d3_layout_packIntersects(a, b) { + var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; + return .999 * dr * dr > dx * dx + dy * dy; + } + function d3_layout_packSiblings(node) { + if (!(nodes = node.children) || !(n = nodes.length)) return; + var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; + function bound(node) { + xMin = Math.min(node.x - node.r, xMin); + xMax = Math.max(node.x + node.r, xMax); + yMin = Math.min(node.y - node.r, yMin); + yMax = Math.max(node.y + node.r, yMax); + } + nodes.forEach(d3_layout_packLink); + a = nodes[0]; + a.x = -a.r; + a.y = 0; + bound(a); + if (n > 1) { + b = nodes[1]; + b.x = b.r; + b.y = 0; + bound(b); + if (n > 2) { + c = nodes[2]; + d3_layout_packPlace(a, b, c); + bound(c); + d3_layout_packInsert(a, c); + a._pack_prev = c; + d3_layout_packInsert(c, b); + b = a._pack_next; + for (i = 3; i < n; i++) { + d3_layout_packPlace(a, b, c = nodes[i]); + var isect = 0, s1 = 1, s2 = 1; + for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { + if (d3_layout_packIntersects(j, c)) { + isect = 1; + break; + } + } + if (isect == 1) { + for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { + if (d3_layout_packIntersects(k, c)) { + break; + } + } + } + if (isect) { + if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); + i--; + } else { + d3_layout_packInsert(a, c); + b = c; + bound(c); + } + } + } + } + var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; + for (i = 0; i < n; i++) { + c = nodes[i]; + c.x -= cx; + c.y -= cy; + cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); + } + node.r = cr; + nodes.forEach(d3_layout_packUnlink); + } + function d3_layout_packLink(node) { + node._pack_next = node._pack_prev = node; + } + function d3_layout_packUnlink(node) { + delete node._pack_next; + delete node._pack_prev; + } + function d3_layout_packTransform(node, x, y, k) { + var children = node.children; + node.x = x += k * node.x; + node.y = y += k * node.y; + node.r *= k; + if (children) { + var i = -1, n = children.length; + while (++i < n) d3_layout_packTransform(children[i], x, y, k); + } + } + function d3_layout_packPlace(a, b, c) { + var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; + if (db && (dx || dy)) { + var da = b.r + c.r, dc = dx * dx + dy * dy; + da *= da; + db *= db; + var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); + c.x = a.x + x * dx + y * dy; + c.y = a.y + x * dy - y * dx; + } else { + c.x = a.x + db; + c.y = a.y; + } + } + d3.layout.tree = function() { + var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null; + function tree(d, i) { + var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0); + d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z; + d3_layout_hierarchyVisitBefore(root1, secondWalk); + if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else { + var left = root0, right = root0, bottom = root0; + d3_layout_hierarchyVisitBefore(root0, function(node) { + if (node.x < left.x) left = node; + if (node.x > right.x) right = node; + if (node.depth > bottom.depth) bottom = node; + }); + var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1); + d3_layout_hierarchyVisitBefore(root0, function(node) { + node.x = (node.x + tx) * kx; + node.y = node.depth * ky; + }); + } + return nodes; + } + function wrapTree(root0) { + var root1 = { + A: null, + children: [ root0 ] + }, queue = [ root1 ], node1; + while ((node1 = queue.pop()) != null) { + for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) { + queue.push((children[i] = child = { + _: children[i], + parent: node1, + children: (child = children[i].children) && child.slice() || [], + A: null, + a: null, + z: 0, + m: 0, + c: 0, + s: 0, + t: null, + i: i + }).a = child); + } + } + return root1.children[0]; + } + function firstWalk(v) { + var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null; + if (children.length) { + d3_layout_treeShift(v); + var midpoint = (children[0].z + children[children.length - 1].z) / 2; + if (w) { + v.z = w.z + separation(v._, w._); + v.m = v.z - midpoint; + } else { + v.z = midpoint; + } + } else if (w) { + v.z = w.z + separation(v._, w._); + } + v.parent.A = apportion(v, w, v.parent.A || siblings[0]); + } + function secondWalk(v) { + v._.x = v.z + v.parent.m; + v.m += v.parent.m; + } + function apportion(v, w, ancestor) { + if (w) { + var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift; + while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { + vom = d3_layout_treeLeft(vom); + vop = d3_layout_treeRight(vop); + vop.a = v; + shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); + if (shift > 0) { + d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift); + sip += shift; + sop += shift; + } + sim += vim.m; + sip += vip.m; + som += vom.m; + sop += vop.m; + } + if (vim && !d3_layout_treeRight(vop)) { + vop.t = vim; + vop.m += sim - sop; + } + if (vip && !d3_layout_treeLeft(vom)) { + vom.t = vip; + vom.m += sip - som; + ancestor = v; + } + } + return ancestor; + } + function sizeNode(node) { + node.x *= size[0]; + node.y = node.depth * size[1]; + } + tree.separation = function(x) { + if (!arguments.length) return separation; + separation = x; + return tree; + }; + tree.size = function(x) { + if (!arguments.length) return nodeSize ? null : size; + nodeSize = (size = x) == null ? sizeNode : null; + return tree; + }; + tree.nodeSize = function(x) { + if (!arguments.length) return nodeSize ? size : null; + nodeSize = (size = x) == null ? null : sizeNode; + return tree; + }; + return d3_layout_hierarchyRebind(tree, hierarchy); + }; + function d3_layout_treeSeparation(a, b) { + return a.parent == b.parent ? 1 : 2; + } + function d3_layout_treeLeft(v) { + var children = v.children; + return children.length ? children[0] : v.t; + } + function d3_layout_treeRight(v) { + var children = v.children, n; + return (n = children.length) ? children[n - 1] : v.t; + } + function d3_layout_treeMove(wm, wp, shift) { + var change = shift / (wp.i - wm.i); + wp.c -= change; + wp.s += shift; + wm.c += change; + wp.z += shift; + wp.m += shift; + } + function d3_layout_treeShift(v) { + var shift = 0, change = 0, children = v.children, i = children.length, w; + while (--i >= 0) { + w = children[i]; + w.z += shift; + w.m += shift; + shift += w.s + (change += w.c); + } + } + function d3_layout_treeAncestor(vim, v, ancestor) { + return vim.a.parent === v.parent ? vim.a : ancestor; + } + d3.layout.cluster = function() { + var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; + function cluster(d, i) { + var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; + d3_layout_hierarchyVisitAfter(root, function(node) { + var children = node.children; + if (children && children.length) { + node.x = d3_layout_clusterX(children); + node.y = d3_layout_clusterY(children); + } else { + node.x = previousNode ? x += separation(node, previousNode) : 0; + node.y = 0; + previousNode = node; + } + }); + var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2; + d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) { + node.x = (node.x - root.x) * size[0]; + node.y = (root.y - node.y) * size[1]; + } : function(node) { + node.x = (node.x - x0) / (x1 - x0) * size[0]; + node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; + }); + return nodes; + } + cluster.separation = function(x) { + if (!arguments.length) return separation; + separation = x; + return cluster; + }; + cluster.size = function(x) { + if (!arguments.length) return nodeSize ? null : size; + nodeSize = (size = x) == null; + return cluster; + }; + cluster.nodeSize = function(x) { + if (!arguments.length) return nodeSize ? size : null; + nodeSize = (size = x) != null; + return cluster; + }; + return d3_layout_hierarchyRebind(cluster, hierarchy); + }; + function d3_layout_clusterY(children) { + return 1 + d3.max(children, function(child) { + return child.y; + }); + } + function d3_layout_clusterX(children) { + return children.reduce(function(x, child) { + return x + child.x; + }, 0) / children.length; + } + function d3_layout_clusterLeft(node) { + var children = node.children; + return children && children.length ? d3_layout_clusterLeft(children[0]) : node; + } + function d3_layout_clusterRight(node) { + var children = node.children, n; + return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; + } + d3.layout.treemap = function() { + var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); + function scale(children, k) { + var i = -1, n = children.length, child, area; + while (++i < n) { + area = (child = children[i]).value * (k < 0 ? 0 : k); + child.area = isNaN(area) || area <= 0 ? 0 : area; + } + } + function squarify(node) { + var children = node.children; + if (children && children.length) { + var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; + scale(remaining, rect.dx * rect.dy / node.value); + row.area = 0; + while ((n = remaining.length) > 0) { + row.push(child = remaining[n - 1]); + row.area += child.area; + if (mode !== "squarify" || (score = worst(row, u)) <= best) { + remaining.pop(); + best = score; + } else { + row.area -= row.pop().area; + position(row, u, rect, false); + u = Math.min(rect.dx, rect.dy); + row.length = row.area = 0; + best = Infinity; + } + } + if (row.length) { + position(row, u, rect, true); + row.length = row.area = 0; + } + children.forEach(squarify); + } + } + function stickify(node) { + var children = node.children; + if (children && children.length) { + var rect = pad(node), remaining = children.slice(), child, row = []; + scale(remaining, rect.dx * rect.dy / node.value); + row.area = 0; + while (child = remaining.pop()) { + row.push(child); + row.area += child.area; + if (child.z != null) { + position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); + row.length = row.area = 0; + } + } + children.forEach(stickify); + } + } + function worst(row, u) { + var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; + while (++i < n) { + if (!(r = row[i].area)) continue; + if (r < rmin) rmin = r; + if (r > rmax) rmax = r; + } + s *= s; + u *= u; + return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; + } + function position(row, u, rect, flush) { + var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; + if (u == rect.dx) { + if (flush || v > rect.dy) v = rect.dy; + while (++i < n) { + o = row[i]; + o.x = x; + o.y = y; + o.dy = v; + x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); + } + o.z = true; + o.dx += rect.x + rect.dx - x; + rect.y += v; + rect.dy -= v; + } else { + if (flush || v > rect.dx) v = rect.dx; + while (++i < n) { + o = row[i]; + o.x = x; + o.y = y; + o.dx = v; + y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); + } + o.z = false; + o.dy += rect.y + rect.dy - y; + rect.x += v; + rect.dx -= v; + } + } + function treemap(d) { + var nodes = stickies || hierarchy(d), root = nodes[0]; + root.x = root.y = 0; + if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; + if (stickies) hierarchy.revalue(root); + scale([ root ], root.dx * root.dy / root.value); + (stickies ? stickify : squarify)(root); + if (sticky) stickies = nodes; + return nodes; + } + treemap.size = function(x) { + if (!arguments.length) return size; + size = x; + return treemap; + }; + treemap.padding = function(x) { + if (!arguments.length) return padding; + function padFunction(node) { + var p = x.call(treemap, node, node.depth); + return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); + } + function padConstant(node) { + return d3_layout_treemapPad(node, x); + } + var type; + pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], + padConstant) : padConstant; + return treemap; + }; + treemap.round = function(x) { + if (!arguments.length) return round != Number; + round = x ? Math.round : Number; + return treemap; + }; + treemap.sticky = function(x) { + if (!arguments.length) return sticky; + sticky = x; + stickies = null; + return treemap; + }; + treemap.ratio = function(x) { + if (!arguments.length) return ratio; + ratio = x; + return treemap; + }; + treemap.mode = function(x) { + if (!arguments.length) return mode; + mode = x + ""; + return treemap; + }; + return d3_layout_hierarchyRebind(treemap, hierarchy); + }; + function d3_layout_treemapPadNull(node) { + return { + x: node.x, + y: node.y, + dx: node.dx, + dy: node.dy + }; + } + function d3_layout_treemapPad(node, padding) { + var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2]; + if (dx < 0) { + x += dx / 2; + dx = 0; + } + if (dy < 0) { + y += dy / 2; + dy = 0; + } + return { + x: x, + y: y, + dx: dx, + dy: dy + }; + } + d3.random = { + normal: function(µ, σ) { + var n = arguments.length; + if (n < 2) σ = 1; + if (n < 1) µ = 0; + return function() { + var x, y, r; + do { + x = Math.random() * 2 - 1; + y = Math.random() * 2 - 1; + r = x * x + y * y; + } while (!r || r > 1); + return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); + }; + }, + logNormal: function() { + var random = d3.random.normal.apply(d3, arguments); + return function() { + return Math.exp(random()); + }; + }, + bates: function(m) { + var random = d3.random.irwinHall(m); + return function() { + return random() / m; + }; + }, + irwinHall: function(m) { + return function() { + for (var s = 0, j = 0; j < m; j++) s += Math.random(); + return s; + }; + } + }; + d3.scale = {}; + function d3_scaleExtent(domain) { + var start = domain[0], stop = domain[domain.length - 1]; + return start < stop ? [ start, stop ] : [ stop, start ]; + } + function d3_scaleRange(scale) { + return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); + } + function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { + var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); + return function(x) { + return i(u(x)); + }; + } + function d3_scale_nice(domain, nice) { + var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; + if (x1 < x0) { + dx = i0, i0 = i1, i1 = dx; + dx = x0, x0 = x1, x1 = dx; + } + domain[i0] = nice.floor(x0); + domain[i1] = nice.ceil(x1); + return domain; + } + function d3_scale_niceStep(step) { + return step ? { + floor: function(x) { + return Math.floor(x / step) * step; + }, + ceil: function(x) { + return Math.ceil(x / step) * step; + } + } : d3_scale_niceIdentity; + } + var d3_scale_niceIdentity = { + floor: d3_identity, + ceil: d3_identity + }; + function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { + var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; + if (domain[k] < domain[0]) { + domain = domain.slice().reverse(); + range = range.slice().reverse(); + } + while (++j <= k) { + u.push(uninterpolate(domain[j - 1], domain[j])); + i.push(interpolate(range[j - 1], range[j])); + } + return function(x) { + var j = d3.bisect(domain, x, 1, k) - 1; + return i[j](u[j](x)); + }; + } + d3.scale.linear = function() { + return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false); + }; + function d3_scale_linear(domain, range, interpolate, clamp) { + var output, input; + function rescale() { + var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; + output = linear(domain, range, uninterpolate, interpolate); + input = linear(range, domain, uninterpolate, d3_interpolate); + return scale; + } + function scale(x) { + return output(x); + } + scale.invert = function(y) { + return input(y); + }; + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = x.map(Number); + return rescale(); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + scale.rangeRound = function(x) { + return scale.range(x).interpolate(d3_interpolateRound); + }; + scale.clamp = function(x) { + if (!arguments.length) return clamp; + clamp = x; + return rescale(); + }; + scale.interpolate = function(x) { + if (!arguments.length) return interpolate; + interpolate = x; + return rescale(); + }; + scale.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + scale.tickFormat = function(m, format) { + return d3_scale_linearTickFormat(domain, m, format); + }; + scale.nice = function(m) { + d3_scale_linearNice(domain, m); + return rescale(); + }; + scale.copy = function() { + return d3_scale_linear(domain, range, interpolate, clamp); + }; + return rescale(); + } + function d3_scale_linearRebind(scale, linear) { + return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); + } + function d3_scale_linearNice(domain, m) { + d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); + return domain; + } + function d3_scale_linearTickRange(domain, m) { + if (m == null) m = 10; + var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step; + if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; + extent[0] = Math.ceil(extent[0] / step) * step; + extent[1] = Math.floor(extent[1] / step) * step + step * .5; + extent[2] = step; + return extent; + } + function d3_scale_linearTicks(domain, m) { + return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); + } + function d3_scale_linearTickFormat(domain, m, format) { + var range = d3_scale_linearTickRange(domain, m); + if (format) { + var match = d3_format_re.exec(format); + match.shift(); + if (match[8] === "s") { + var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); + if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); + match[8] = "f"; + format = d3.format(match.join("")); + return function(d) { + return format(prefix.scale(d)) + prefix.symbol; + }; + } + if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); + format = match.join(""); + } else { + format = ",." + d3_scale_linearPrecision(range[2]) + "f"; + } + return d3.format(format); + } + var d3_scale_linearFormatSignificant = { + s: 1, + g: 1, + p: 1, + r: 1, + e: 1 + }; + function d3_scale_linearPrecision(value) { + return -Math.floor(Math.log(value) / Math.LN10 + .01); + } + function d3_scale_linearFormatPrecision(type, range) { + var p = d3_scale_linearPrecision(range[2]); + return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; + } + d3.scale.log = function() { + return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); + }; + function d3_scale_log(linear, base, positive, domain) { + function log(x) { + return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); + } + function pow(x) { + return positive ? Math.pow(base, x) : -Math.pow(base, -x); + } + function scale(x) { + return linear(log(x)); + } + scale.invert = function(x) { + return pow(linear.invert(x)); + }; + scale.domain = function(x) { + if (!arguments.length) return domain; + positive = x[0] >= 0; + linear.domain((domain = x.map(Number)).map(log)); + return scale; + }; + scale.base = function(_) { + if (!arguments.length) return base; + base = +_; + linear.domain(domain.map(log)); + return scale; + }; + scale.nice = function() { + var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); + linear.domain(niced); + domain = niced.map(pow); + return scale; + }; + scale.ticks = function() { + var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; + if (isFinite(j - i)) { + if (positive) { + for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); + ticks.push(pow(i)); + } else { + ticks.push(pow(i)); + for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); + } + for (i = 0; ticks[i] < u; i++) {} + for (j = ticks.length; ticks[j - 1] > v; j--) {} + ticks = ticks.slice(i, j); + } + return ticks; + }; + scale.tickFormat = function(n, format) { + if (!arguments.length) return d3_scale_logFormat; + if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); + var k = Math.max(1, base * n / scale.ticks().length); + return function(d) { + var i = d / pow(Math.round(log(d))); + if (i * base < base - .5) i *= base; + return i <= k ? format(d) : ""; + }; + }; + scale.copy = function() { + return d3_scale_log(linear.copy(), base, positive, domain); + }; + return d3_scale_linearRebind(scale, linear); + } + var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { + floor: function(x) { + return -Math.ceil(-x); + }, + ceil: function(x) { + return -Math.floor(-x); + } + }; + d3.scale.pow = function() { + return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); + }; + function d3_scale_pow(linear, exponent, domain) { + var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); + function scale(x) { + return linear(powp(x)); + } + scale.invert = function(x) { + return powb(linear.invert(x)); + }; + scale.domain = function(x) { + if (!arguments.length) return domain; + linear.domain((domain = x.map(Number)).map(powp)); + return scale; + }; + scale.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + scale.tickFormat = function(m, format) { + return d3_scale_linearTickFormat(domain, m, format); + }; + scale.nice = function(m) { + return scale.domain(d3_scale_linearNice(domain, m)); + }; + scale.exponent = function(x) { + if (!arguments.length) return exponent; + powp = d3_scale_powPow(exponent = x); + powb = d3_scale_powPow(1 / exponent); + linear.domain(domain.map(powp)); + return scale; + }; + scale.copy = function() { + return d3_scale_pow(linear.copy(), exponent, domain); + }; + return d3_scale_linearRebind(scale, linear); + } + function d3_scale_powPow(e) { + return function(x) { + return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); + }; + } + d3.scale.sqrt = function() { + return d3.scale.pow().exponent(.5); + }; + d3.scale.ordinal = function() { + return d3_scale_ordinal([], { + t: "range", + a: [ [] ] + }); + }; + function d3_scale_ordinal(domain, ranger) { + var index, range, rangeBand; + function scale(x) { + return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length]; + } + function steps(start, step) { + return d3.range(domain.length).map(function(i) { + return start + step * i; + }); + } + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = []; + index = new d3_Map(); + var i = -1, n = x.length, xi; + while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); + return scale[ranger.t].apply(scale, ranger.a); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + rangeBand = 0; + ranger = { + t: "range", + a: arguments + }; + return scale; + }; + scale.rangePoints = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, + 0) : (stop - start) / (domain.length - 1 + padding); + range = steps(start + step * padding / 2, step); + rangeBand = 0; + ranger = { + t: "rangePoints", + a: arguments + }; + return scale; + }; + scale.rangeRoundPoints = function(x, padding) { + if (arguments.length < 2) padding = 0; + var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), + 0) : (stop - start) / (domain.length - 1 + padding) | 0; + range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step); + rangeBand = 0; + ranger = { + t: "rangeRoundPoints", + a: arguments + }; + return scale; + }; + scale.rangeBands = function(x, padding, outerPadding) { + if (arguments.length < 2) padding = 0; + if (arguments.length < 3) outerPadding = padding; + var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); + range = steps(start + step * outerPadding, step); + if (reverse) range.reverse(); + rangeBand = step * (1 - padding); + ranger = { + t: "rangeBands", + a: arguments + }; + return scale; + }; + scale.rangeRoundBands = function(x, padding, outerPadding) { + if (arguments.length < 2) padding = 0; + if (arguments.length < 3) outerPadding = padding; + var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)); + range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step); + if (reverse) range.reverse(); + rangeBand = Math.round(step * (1 - padding)); + ranger = { + t: "rangeRoundBands", + a: arguments + }; + return scale; + }; + scale.rangeBand = function() { + return rangeBand; + }; + scale.rangeExtent = function() { + return d3_scaleExtent(ranger.a[0]); + }; + scale.copy = function() { + return d3_scale_ordinal(domain, ranger); + }; + return scale.domain(domain); + } + d3.scale.category10 = function() { + return d3.scale.ordinal().range(d3_category10); + }; + d3.scale.category20 = function() { + return d3.scale.ordinal().range(d3_category20); + }; + d3.scale.category20b = function() { + return d3.scale.ordinal().range(d3_category20b); + }; + d3.scale.category20c = function() { + return d3.scale.ordinal().range(d3_category20c); + }; + var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); + var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); + var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); + var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); + d3.scale.quantile = function() { + return d3_scale_quantile([], []); + }; + function d3_scale_quantile(domain, range) { + var thresholds; + function rescale() { + var k = 0, q = range.length; + thresholds = []; + while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); + return scale; + } + function scale(x) { + if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)]; + } + scale.domain = function(x) { + if (!arguments.length) return domain; + domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending); + return rescale(); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + scale.quantiles = function() { + return thresholds; + }; + scale.invertExtent = function(y) { + y = range.indexOf(y); + return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; + }; + scale.copy = function() { + return d3_scale_quantile(domain, range); + }; + return rescale(); + } + d3.scale.quantize = function() { + return d3_scale_quantize(0, 1, [ 0, 1 ]); + }; + function d3_scale_quantize(x0, x1, range) { + var kx, i; + function scale(x) { + return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; + } + function rescale() { + kx = range.length / (x1 - x0); + i = range.length - 1; + return scale; + } + scale.domain = function(x) { + if (!arguments.length) return [ x0, x1 ]; + x0 = +x[0]; + x1 = +x[x.length - 1]; + return rescale(); + }; + scale.range = function(x) { + if (!arguments.length) return range; + range = x; + return rescale(); + }; + scale.invertExtent = function(y) { + y = range.indexOf(y); + y = y < 0 ? NaN : y / kx + x0; + return [ y, y + 1 / kx ]; + }; + scale.copy = function() { + return d3_scale_quantize(x0, x1, range); + }; + return rescale(); + } + d3.scale.threshold = function() { + return d3_scale_threshold([ .5 ], [ 0, 1 ]); + }; + function d3_scale_threshold(domain, range) { + function scale(x) { + if (x <= x) return range[d3.bisect(domain, x)]; + } + scale.domain = function(_) { + if (!arguments.length) return domain; + domain = _; + return scale; + }; + scale.range = function(_) { + if (!arguments.length) return range; + range = _; + return scale; + }; + scale.invertExtent = function(y) { + y = range.indexOf(y); + return [ domain[y - 1], domain[y] ]; + }; + scale.copy = function() { + return d3_scale_threshold(domain, range); + }; + return scale; + } + d3.scale.identity = function() { + return d3_scale_identity([ 0, 1 ]); + }; + function d3_scale_identity(domain) { + function identity(x) { + return +x; + } + identity.invert = identity; + identity.domain = identity.range = function(x) { + if (!arguments.length) return domain; + domain = x.map(identity); + return identity; + }; + identity.ticks = function(m) { + return d3_scale_linearTicks(domain, m); + }; + identity.tickFormat = function(m, format) { + return d3_scale_linearTickFormat(domain, m, format); + }; + identity.copy = function() { + return d3_scale_identity(domain); + }; + return identity; + } + d3.svg = {}; + function d3_zero() { + return 0; + } + d3.svg.arc = function() { + var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle; + function arc() { + var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1; + if (r1 < r0) rc = r1, r1 = r0, r0 = rc; + if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z"; + var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = []; + if (ap = (+padAngle.apply(this, arguments) || 0) / 2) { + rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments); + if (!cw) p1 *= -1; + if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap)); + if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap)); + } + if (r1) { + x0 = r1 * Math.cos(a0 + p1); + y0 = r1 * Math.sin(a0 + p1); + x1 = r1 * Math.cos(a1 - p1); + y1 = r1 * Math.sin(a1 - p1); + var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1; + if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) { + var h1 = (a0 + a1) / 2; + x0 = r1 * Math.cos(h1); + y0 = r1 * Math.sin(h1); + x1 = y1 = null; + } + } else { + x0 = y0 = 0; + } + if (r0) { + x2 = r0 * Math.cos(a1 - p0); + y2 = r0 * Math.sin(a1 - p0); + x3 = r0 * Math.cos(a0 + p0); + y3 = r0 * Math.sin(a0 + p0); + var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1; + if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) { + var h0 = (a0 + a1) / 2; + x2 = r0 * Math.cos(h0); + y2 = r0 * Math.sin(h0); + x3 = y3 = null; + } + } else { + x2 = y2 = 0; + } + if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { + cr = r0 < r1 ^ cw ? 0 : 1; + var rc1 = rc, rc0 = rc; + if (da < π) { + var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); + rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); + rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); + } + if (x1 != null) { + var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); + if (rc === rc1) { + path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); + } else { + path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]); + } + } else { + path.push("M", x0, ",", y0); + } + if (x3 != null) { + var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); + if (rc === rc0) { + path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); + } else { + path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); + } + } else { + path.push("L", x2, ",", y2); + } + } else { + path.push("M", x0, ",", y0); + if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1); + path.push("L", x2, ",", y2); + if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3); + } + path.push("Z"); + return path.join(""); + } + function circleSegment(r1, cw) { + return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1; + } + arc.innerRadius = function(v) { + if (!arguments.length) return innerRadius; + innerRadius = d3_functor(v); + return arc; + }; + arc.outerRadius = function(v) { + if (!arguments.length) return outerRadius; + outerRadius = d3_functor(v); + return arc; + }; + arc.cornerRadius = function(v) { + if (!arguments.length) return cornerRadius; + cornerRadius = d3_functor(v); + return arc; + }; + arc.padRadius = function(v) { + if (!arguments.length) return padRadius; + padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v); + return arc; + }; + arc.startAngle = function(v) { + if (!arguments.length) return startAngle; + startAngle = d3_functor(v); + return arc; + }; + arc.endAngle = function(v) { + if (!arguments.length) return endAngle; + endAngle = d3_functor(v); + return arc; + }; + arc.padAngle = function(v) { + if (!arguments.length) return padAngle; + padAngle = d3_functor(v); + return arc; + }; + arc.centroid = function() { + var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ; + return [ Math.cos(a) * r, Math.sin(a) * r ]; + }; + return arc; + }; + var d3_svg_arcAuto = "auto"; + function d3_svg_arcInnerRadius(d) { + return d.innerRadius; + } + function d3_svg_arcOuterRadius(d) { + return d.outerRadius; + } + function d3_svg_arcStartAngle(d) { + return d.startAngle; + } + function d3_svg_arcEndAngle(d) { + return d.endAngle; + } + function d3_svg_arcPadAngle(d) { + return d && d.padAngle; + } + function d3_svg_arcSweep(x0, y0, x1, y1) { + return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; + } + function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { + var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; + if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; + return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; + } + function d3_svg_line(projection) { + var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; + function line(data) { + var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); + function segment() { + segments.push("M", interpolate(projection(points), tension)); + } + while (++i < n) { + if (defined.call(this, d = data[i], i)) { + points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); + } else if (points.length) { + segment(); + points = []; + } + } + if (points.length) segment(); + return segments.length ? segments.join("") : null; + } + line.x = function(_) { + if (!arguments.length) return x; + x = _; + return line; + }; + line.y = function(_) { + if (!arguments.length) return y; + y = _; + return line; + }; + line.defined = function(_) { + if (!arguments.length) return defined; + defined = _; + return line; + }; + line.interpolate = function(_) { + if (!arguments.length) return interpolateKey; + if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; + return line; + }; + line.tension = function(_) { + if (!arguments.length) return tension; + tension = _; + return line; + }; + return line; + } + d3.svg.line = function() { + return d3_svg_line(d3_identity); + }; + var d3_svg_lineInterpolators = d3.map({ + linear: d3_svg_lineLinear, + "linear-closed": d3_svg_lineLinearClosed, + step: d3_svg_lineStep, + "step-before": d3_svg_lineStepBefore, + "step-after": d3_svg_lineStepAfter, + basis: d3_svg_lineBasis, + "basis-open": d3_svg_lineBasisOpen, + "basis-closed": d3_svg_lineBasisClosed, + bundle: d3_svg_lineBundle, + cardinal: d3_svg_lineCardinal, + "cardinal-open": d3_svg_lineCardinalOpen, + "cardinal-closed": d3_svg_lineCardinalClosed, + monotone: d3_svg_lineMonotone + }); + d3_svg_lineInterpolators.forEach(function(key, value) { + value.key = key; + value.closed = /-closed$/.test(key); + }); + function d3_svg_lineLinear(points) { + return points.length > 1 ? points.join("L") : points + "Z"; + } + function d3_svg_lineLinearClosed(points) { + return points.join("L") + "Z"; + } + function d3_svg_lineStep(points) { + var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; + while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); + if (n > 1) path.push("H", p[0]); + return path.join(""); + } + function d3_svg_lineStepBefore(points) { + var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; + while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); + return path.join(""); + } + function d3_svg_lineStepAfter(points) { + var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; + while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); + return path.join(""); + } + function d3_svg_lineCardinalOpen(points, tension) { + return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); + } + function d3_svg_lineCardinalClosed(points, tension) { + return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), + points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); + } + function d3_svg_lineCardinal(points, tension) { + return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); + } + function d3_svg_lineHermite(points, tangents) { + if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { + return d3_svg_lineLinear(points); + } + var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; + if (quad) { + path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; + p0 = points[1]; + pi = 2; + } + if (tangents.length > 1) { + t = tangents[1]; + p = points[pi]; + pi++; + path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; + for (var i = 2; i < tangents.length; i++, pi++) { + p = points[pi]; + t = tangents[i]; + path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; + } + } + if (quad) { + var lp = points[pi]; + path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; + } + return path; + } + function d3_svg_lineCardinalTangents(points, tension) { + var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; + while (++i < n) { + p0 = p1; + p1 = p2; + p2 = points[i]; + tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); + } + return tangents; + } + function d3_svg_lineBasis(points) { + if (points.length < 3) return d3_svg_lineLinear(points); + var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; + points.push(points[n - 1]); + while (++i <= n) { + pi = points[i]; + px.shift(); + px.push(pi[0]); + py.shift(); + py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + points.pop(); + path.push("L", pi); + return path.join(""); + } + function d3_svg_lineBasisOpen(points) { + if (points.length < 4) return d3_svg_lineLinear(points); + var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; + while (++i < 3) { + pi = points[i]; + px.push(pi[0]); + py.push(pi[1]); + } + path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); + --i; + while (++i < n) { + pi = points[i]; + px.shift(); + px.push(pi[0]); + py.shift(); + py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); + } + function d3_svg_lineBasisClosed(points) { + var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; + while (++i < 4) { + pi = points[i % n]; + px.push(pi[0]); + py.push(pi[1]); + } + path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; + --i; + while (++i < m) { + pi = points[i % n]; + px.shift(); + px.push(pi[0]); + py.shift(); + py.push(pi[1]); + d3_svg_lineBasisBezier(path, px, py); + } + return path.join(""); + } + function d3_svg_lineBundle(points, tension) { + var n = points.length - 1; + if (n) { + var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; + while (++i <= n) { + p = points[i]; + t = i / n; + p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); + p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); + } + } + return d3_svg_lineBasis(points); + } + function d3_svg_lineDot4(a, b) { + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; + } + var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ]; + function d3_svg_lineBasisBezier(path, x, y) { + path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); + } + function d3_svg_lineSlope(p0, p1) { + return (p1[1] - p0[1]) / (p1[0] - p0[0]); + } + function d3_svg_lineFiniteDifferences(points) { + var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); + while (++i < j) { + m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; + } + m[i] = d; + return m; + } + function d3_svg_lineMonotoneTangents(points) { + var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; + while (++i < j) { + d = d3_svg_lineSlope(points[i], points[i + 1]); + if (abs(d) < ε) { + m[i] = m[i + 1] = 0; + } else { + a = m[i] / d; + b = m[i + 1] / d; + s = a * a + b * b; + if (s > 9) { + s = d * 3 / Math.sqrt(s); + m[i] = s * a; + m[i + 1] = s * b; + } + } + } + i = -1; + while (++i <= j) { + s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); + tangents.push([ s || 0, m[i] * s || 0 ]); + } + return tangents; + } + function d3_svg_lineMonotone(points) { + return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); + } + d3.svg.line.radial = function() { + var line = d3_svg_line(d3_svg_lineRadial); + line.radius = line.x, delete line.x; + line.angle = line.y, delete line.y; + return line; + }; + function d3_svg_lineRadial(points) { + var point, i = -1, n = points.length, r, a; + while (++i < n) { + point = points[i]; + r = point[0]; + a = point[1] - halfπ; + point[0] = r * Math.cos(a); + point[1] = r * Math.sin(a); + } + return points; + } + function d3_svg_area(projection) { + var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; + function area(data) { + var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { + return x; + } : d3_functor(x1), fy1 = y0 === y1 ? function() { + return y; + } : d3_functor(y1), x, y; + function segment() { + segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); + } + while (++i < n) { + if (defined.call(this, d = data[i], i)) { + points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); + points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); + } else if (points0.length) { + segment(); + points0 = []; + points1 = []; + } + } + if (points0.length) segment(); + return segments.length ? segments.join("") : null; + } + area.x = function(_) { + if (!arguments.length) return x1; + x0 = x1 = _; + return area; + }; + area.x0 = function(_) { + if (!arguments.length) return x0; + x0 = _; + return area; + }; + area.x1 = function(_) { + if (!arguments.length) return x1; + x1 = _; + return area; + }; + area.y = function(_) { + if (!arguments.length) return y1; + y0 = y1 = _; + return area; + }; + area.y0 = function(_) { + if (!arguments.length) return y0; + y0 = _; + return area; + }; + area.y1 = function(_) { + if (!arguments.length) return y1; + y1 = _; + return area; + }; + area.defined = function(_) { + if (!arguments.length) return defined; + defined = _; + return area; + }; + area.interpolate = function(_) { + if (!arguments.length) return interpolateKey; + if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; + interpolateReverse = interpolate.reverse || interpolate; + L = interpolate.closed ? "M" : "L"; + return area; + }; + area.tension = function(_) { + if (!arguments.length) return tension; + tension = _; + return area; + }; + return area; + } + d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; + d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; + d3.svg.area = function() { + return d3_svg_area(d3_identity); + }; + d3.svg.area.radial = function() { + var area = d3_svg_area(d3_svg_lineRadial); + area.radius = area.x, delete area.x; + area.innerRadius = area.x0, delete area.x0; + area.outerRadius = area.x1, delete area.x1; + area.angle = area.y, delete area.y; + area.startAngle = area.y0, delete area.y0; + area.endAngle = area.y1, delete area.y1; + return area; + }; + d3.svg.chord = function() { + var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; + function chord(d, i) { + var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); + return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z"; + } + function subgroup(self, f, d, i) { + var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ; + return { + r: r, + a0: a0, + a1: a1, + p0: [ r * Math.cos(a0), r * Math.sin(a0) ], + p1: [ r * Math.cos(a1), r * Math.sin(a1) ] + }; + } + function equals(a, b) { + return a.a0 == b.a0 && a.a1 == b.a1; + } + function arc(r, p, a) { + return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; + } + function curve(r0, p0, r1, p1) { + return "Q 0,0 " + p1; + } + chord.radius = function(v) { + if (!arguments.length) return radius; + radius = d3_functor(v); + return chord; + }; + chord.source = function(v) { + if (!arguments.length) return source; + source = d3_functor(v); + return chord; + }; + chord.target = function(v) { + if (!arguments.length) return target; + target = d3_functor(v); + return chord; + }; + chord.startAngle = function(v) { + if (!arguments.length) return startAngle; + startAngle = d3_functor(v); + return chord; + }; + chord.endAngle = function(v) { + if (!arguments.length) return endAngle; + endAngle = d3_functor(v); + return chord; + }; + return chord; + }; + function d3_svg_chordRadius(d) { + return d.radius; + } + d3.svg.diagonal = function() { + var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; + function diagonal(d, i) { + var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { + x: p0.x, + y: m + }, { + x: p3.x, + y: m + }, p3 ]; + p = p.map(projection); + return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; + } + diagonal.source = function(x) { + if (!arguments.length) return source; + source = d3_functor(x); + return diagonal; + }; + diagonal.target = function(x) { + if (!arguments.length) return target; + target = d3_functor(x); + return diagonal; + }; + diagonal.projection = function(x) { + if (!arguments.length) return projection; + projection = x; + return diagonal; + }; + return diagonal; + }; + function d3_svg_diagonalProjection(d) { + return [ d.x, d.y ]; + } + d3.svg.diagonal.radial = function() { + var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; + diagonal.projection = function(x) { + return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; + }; + return diagonal; + }; + function d3_svg_diagonalRadialProjection(projection) { + return function() { + var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ; + return [ r * Math.cos(a), r * Math.sin(a) ]; + }; + } + d3.svg.symbol = function() { + var type = d3_svg_symbolType, size = d3_svg_symbolSize; + function symbol(d, i) { + return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); + } + symbol.type = function(x) { + if (!arguments.length) return type; + type = d3_functor(x); + return symbol; + }; + symbol.size = function(x) { + if (!arguments.length) return size; + size = d3_functor(x); + return symbol; + }; + return symbol; + }; + function d3_svg_symbolSize() { + return 64; + } + function d3_svg_symbolType() { + return "circle"; + } + function d3_svg_symbolCircle(size) { + var r = Math.sqrt(size / π); + return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; + } + var d3_svg_symbols = d3.map({ + circle: d3_svg_symbolCircle, + cross: function(size) { + var r = Math.sqrt(size / 5) / 2; + return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z"; + }, + diamond: function(size) { + var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; + return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; + }, + square: function(size) { + var r = Math.sqrt(size) / 2; + return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; + }, + "triangle-down": function(size) { + var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; + return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; + }, + "triangle-up": function(size) { + var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; + return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; + } + }); + d3.svg.symbolTypes = d3_svg_symbols.keys(); + var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); + d3_selectionPrototype.transition = function(name) { + var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || { + time: Date.now(), + ease: d3_ease_cubicInOut, + delay: 0, + duration: 250 + }; + for (var j = -1, m = this.length; ++j < m; ) { + subgroups.push(subgroup = []); + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) d3_transitionNode(node, i, ns, id, transition); + subgroup.push(node); + } + } + return d3_transition(subgroups, ns, id); + }; + d3_selectionPrototype.interrupt = function(name) { + return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name))); + }; + var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); + function d3_selection_interruptNS(ns) { + return function() { + var lock, activeId, active; + if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { + active.timer.c = null; + active.timer.t = NaN; + if (--lock.count) delete lock[activeId]; else delete this[ns]; + lock.active += .5; + active.event && active.event.interrupt.call(this, this.__data__, active.index); + } + }; + } + function d3_transition(groups, ns, id) { + d3_subclass(groups, d3_transitionPrototype); + groups.namespace = ns; + groups.id = id; + return groups; + } + var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; + d3_transitionPrototype.call = d3_selectionPrototype.call; + d3_transitionPrototype.empty = d3_selectionPrototype.empty; + d3_transitionPrototype.node = d3_selectionPrototype.node; + d3_transitionPrototype.size = d3_selectionPrototype.size; + d3.transition = function(selection, name) { + return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection); + }; + d3.transition.prototype = d3_transitionPrototype; + d3_transitionPrototype.select = function(selector) { + var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node; + selector = d3_selection_selector(selector); + for (var j = -1, m = this.length; ++j < m; ) { + subgroups.push(subgroup = []); + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + d3_transitionNode(subnode, i, ns, id, node[ns][id]); + subgroup.push(subnode); + } else { + subgroup.push(null); + } + } + } + return d3_transition(subgroups, ns, id); + }; + d3_transitionPrototype.selectAll = function(selector) { + var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition; + selector = d3_selection_selectorAll(selector); + for (var j = -1, m = this.length; ++j < m; ) { + for (var group = this[j], i = -1, n = group.length; ++i < n; ) { + if (node = group[i]) { + transition = node[ns][id]; + subnodes = selector.call(node, node.__data__, i, j); + subgroups.push(subgroup = []); + for (var k = -1, o = subnodes.length; ++k < o; ) { + if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition); + subgroup.push(subnode); + } + } + } + } + return d3_transition(subgroups, ns, id); + }; + d3_transitionPrototype.filter = function(filter) { + var subgroups = [], subgroup, group, node; + if (typeof filter !== "function") filter = d3_selection_filter(filter); + for (var j = 0, m = this.length; j < m; j++) { + subgroups.push(subgroup = []); + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { + subgroup.push(node); + } + } + } + return d3_transition(subgroups, this.namespace, this.id); + }; + d3_transitionPrototype.tween = function(name, tween) { + var id = this.id, ns = this.namespace; + if (arguments.length < 2) return this.node()[ns][id].tween.get(name); + return d3_selection_each(this, tween == null ? function(node) { + node[ns][id].tween.remove(name); + } : function(node) { + node[ns][id].tween.set(name, tween); + }); + }; + function d3_transition_tween(groups, name, value, tween) { + var id = groups.id, ns = groups.namespace; + return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { + node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j))); + } : (value = tween(value), function(node) { + node[ns][id].tween.set(name, value); + })); + } + d3_transitionPrototype.attr = function(nameNS, value) { + if (arguments.length < 2) { + for (value in nameNS) this.attr(value, nameNS[value]); + return this; + } + var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); + function attrNull() { + this.removeAttribute(name); + } + function attrNullNS() { + this.removeAttributeNS(name.space, name.local); + } + function attrTween(b) { + return b == null ? attrNull : (b += "", function() { + var a = this.getAttribute(name), i; + return a !== b && (i = interpolate(a, b), function(t) { + this.setAttribute(name, i(t)); + }); + }); + } + function attrTweenNS(b) { + return b == null ? attrNullNS : (b += "", function() { + var a = this.getAttributeNS(name.space, name.local), i; + return a !== b && (i = interpolate(a, b), function(t) { + this.setAttributeNS(name.space, name.local, i(t)); + }); + }); + } + return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); + }; + d3_transitionPrototype.attrTween = function(nameNS, tween) { + var name = d3.ns.qualify(nameNS); + function attrTween(d, i) { + var f = tween.call(this, d, i, this.getAttribute(name)); + return f && function(t) { + this.setAttribute(name, f(t)); + }; + } + function attrTweenNS(d, i) { + var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); + return f && function(t) { + this.setAttributeNS(name.space, name.local, f(t)); + }; + } + return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); + }; + d3_transitionPrototype.style = function(name, value, priority) { + var n = arguments.length; + if (n < 3) { + if (typeof name !== "string") { + if (n < 2) value = ""; + for (priority in name) this.style(priority, name[priority], value); + return this; + } + priority = ""; + } + function styleNull() { + this.style.removeProperty(name); + } + function styleString(b) { + return b == null ? styleNull : (b += "", function() { + var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i; + return a !== b && (i = d3_interpolate(a, b), function(t) { + this.style.setProperty(name, i(t), priority); + }); + }); + } + return d3_transition_tween(this, "style." + name, value, styleString); + }; + d3_transitionPrototype.styleTween = function(name, tween, priority) { + if (arguments.length < 3) priority = ""; + function styleTween(d, i) { + var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name)); + return f && function(t) { + this.style.setProperty(name, f(t), priority); + }; + } + return this.tween("style." + name, styleTween); + }; + d3_transitionPrototype.text = function(value) { + return d3_transition_tween(this, "text", value, d3_transition_text); + }; + function d3_transition_text(b) { + if (b == null) b = ""; + return function() { + this.textContent = b; + }; + } + d3_transitionPrototype.remove = function() { + var ns = this.namespace; + return this.each("end.transition", function() { + var p; + if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this); + }); + }; + d3_transitionPrototype.ease = function(value) { + var id = this.id, ns = this.namespace; + if (arguments.length < 1) return this.node()[ns][id].ease; + if (typeof value !== "function") value = d3.ease.apply(d3, arguments); + return d3_selection_each(this, function(node) { + node[ns][id].ease = value; + }); + }; + d3_transitionPrototype.delay = function(value) { + var id = this.id, ns = this.namespace; + if (arguments.length < 1) return this.node()[ns][id].delay; + return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { + node[ns][id].delay = +value.call(node, node.__data__, i, j); + } : (value = +value, function(node) { + node[ns][id].delay = value; + })); + }; + d3_transitionPrototype.duration = function(value) { + var id = this.id, ns = this.namespace; + if (arguments.length < 1) return this.node()[ns][id].duration; + return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { + node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j)); + } : (value = Math.max(1, value), function(node) { + node[ns][id].duration = value; + })); + }; + d3_transitionPrototype.each = function(type, listener) { + var id = this.id, ns = this.namespace; + if (arguments.length < 2) { + var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; + try { + d3_transitionInheritId = id; + d3_selection_each(this, function(node, i, j) { + d3_transitionInherit = node[ns][id]; + type.call(node, node.__data__, i, j); + }); + } finally { + d3_transitionInherit = inherit; + d3_transitionInheritId = inheritId; + } + } else { + d3_selection_each(this, function(node) { + var transition = node[ns][id]; + (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener); + }); + } + return this; + }; + d3_transitionPrototype.transition = function() { + var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition; + for (var j = 0, m = this.length; j < m; j++) { + subgroups.push(subgroup = []); + for (var group = this[j], i = 0, n = group.length; i < n; i++) { + if (node = group[i]) { + transition = node[ns][id0]; + d3_transitionNode(node, i, ns, id1, { + time: transition.time, + ease: transition.ease, + delay: transition.delay + transition.duration, + duration: transition.duration + }); + } + subgroup.push(node); + } + } + return d3_transition(subgroups, ns, id1); + }; + function d3_transitionNamespace(name) { + return name == null ? "__transition__" : "__transition_" + name + "__"; + } + function d3_transitionNode(node, i, ns, id, inherit) { + var lock = node[ns] || (node[ns] = { + active: 0, + count: 0 + }), transition = lock[id], time, timer, duration, ease, tweens; + function schedule(elapsed) { + var delay = transition.delay; + timer.t = delay + time; + if (delay <= elapsed) return start(elapsed - delay); + timer.c = start; + } + function start(elapsed) { + var activeId = lock.active, active = lock[activeId]; + if (active) { + active.timer.c = null; + active.timer.t = NaN; + --lock.count; + delete lock[activeId]; + active.event && active.event.interrupt.call(node, node.__data__, active.index); + } + for (var cancelId in lock) { + if (+cancelId < id) { + var cancel = lock[cancelId]; + cancel.timer.c = null; + cancel.timer.t = NaN; + --lock.count; + delete lock[cancelId]; + } + } + timer.c = tick; + d3_timer(function() { + if (timer.c && tick(elapsed || 1)) { + timer.c = null; + timer.t = NaN; + } + return 1; + }, 0, time); + lock.active = id; + transition.event && transition.event.start.call(node, node.__data__, i); + tweens = []; + transition.tween.forEach(function(key, value) { + if (value = value.call(node, node.__data__, i)) { + tweens.push(value); + } + }); + ease = transition.ease; + duration = transition.duration; + } + function tick(elapsed) { + var t = elapsed / duration, e = ease(t), n = tweens.length; + while (n > 0) { + tweens[--n].call(node, e); + } + if (t >= 1) { + transition.event && transition.event.end.call(node, node.__data__, i); + if (--lock.count) delete lock[id]; else delete node[ns]; + return 1; + } + } + if (!transition) { + time = inherit.time; + timer = d3_timer(schedule, 0, time); + transition = lock[id] = { + tween: new d3_Map(), + time: time, + timer: timer, + delay: inherit.delay, + duration: inherit.duration, + ease: inherit.ease, + index: i + }; + inherit = null; + ++lock.count; + } + } + d3.svg.axis = function() { + var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; + function axis(g) { + g.each(function() { + var g = d3.select(this); + var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); + var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform; + var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), + d3.transition(path)); + tickEnter.append("line"); + tickEnter.append("text"); + var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2; + if (orient === "bottom" || orient === "top") { + tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2"; + text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle"); + pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize); + } else { + tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2"; + text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start"); + pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize); + } + lineEnter.attr(y2, sign * innerTickSize); + textEnter.attr(y1, sign * tickSpacing); + lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize); + textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing); + if (scale1.rangeBand) { + var x = scale1, dx = x.rangeBand() / 2; + scale0 = scale1 = function(d) { + return x(d) + dx; + }; + } else if (scale0.rangeBand) { + scale0 = scale1; + } else { + tickExit.call(tickTransform, scale1, scale0); + } + tickEnter.call(tickTransform, scale0, scale1); + tickUpdate.call(tickTransform, scale1, scale1); + }); + } + axis.scale = function(x) { + if (!arguments.length) return scale; + scale = x; + return axis; + }; + axis.orient = function(x) { + if (!arguments.length) return orient; + orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient; + return axis; + }; + axis.ticks = function() { + if (!arguments.length) return tickArguments_; + tickArguments_ = d3_array(arguments); + return axis; + }; + axis.tickValues = function(x) { + if (!arguments.length) return tickValues; + tickValues = x; + return axis; + }; + axis.tickFormat = function(x) { + if (!arguments.length) return tickFormat_; + tickFormat_ = x; + return axis; + }; + axis.tickSize = function(x) { + var n = arguments.length; + if (!n) return innerTickSize; + innerTickSize = +x; + outerTickSize = +arguments[n - 1]; + return axis; + }; + axis.innerTickSize = function(x) { + if (!arguments.length) return innerTickSize; + innerTickSize = +x; + return axis; + }; + axis.outerTickSize = function(x) { + if (!arguments.length) return outerTickSize; + outerTickSize = +x; + return axis; + }; + axis.tickPadding = function(x) { + if (!arguments.length) return tickPadding; + tickPadding = +x; + return axis; + }; + axis.tickSubdivide = function() { + return arguments.length && axis; + }; + return axis; + }; + var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { + top: 1, + right: 1, + bottom: 1, + left: 1 + }; + function d3_svg_axisX(selection, x0, x1) { + selection.attr("transform", function(d) { + var v0 = x0(d); + return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)"; + }); + } + function d3_svg_axisY(selection, y0, y1) { + selection.attr("transform", function(d) { + var v0 = y0(d); + return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")"; + }); + } + d3.svg.brush = function() { + var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; + function brush(g) { + g.each(function() { + var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); + var background = g.selectAll(".background").data([ 0 ]); + background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); + g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); + var resize = g.selectAll(".resize").data(resizes, d3_identity); + resize.exit().remove(); + resize.enter().append("g").attr("class", function(d) { + return "resize " + d; + }).style("cursor", function(d) { + return d3_svg_brushCursor[d]; + }).append("rect").attr("x", function(d) { + return /[ew]$/.test(d) ? -3 : null; + }).attr("y", function(d) { + return /^[ns]/.test(d) ? -3 : null; + }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); + resize.style("display", brush.empty() ? "none" : null); + var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; + if (x) { + range = d3_scaleRange(x); + backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); + redrawX(gUpdate); + } + if (y) { + range = d3_scaleRange(y); + backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); + redrawY(gUpdate); + } + redraw(gUpdate); + }); + } + brush.event = function(g) { + g.each(function() { + var event_ = event.of(this, arguments), extent1 = { + x: xExtent, + y: yExtent, + i: xExtentDomain, + j: yExtentDomain + }, extent0 = this.__chart__ || extent1; + this.__chart__ = extent1; + if (d3_transitionInheritId) { + d3.select(this).transition().each("start.brush", function() { + xExtentDomain = extent0.i; + yExtentDomain = extent0.j; + xExtent = extent0.x; + yExtent = extent0.y; + event_({ + type: "brushstart" + }); + }).tween("brush:brush", function() { + var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); + xExtentDomain = yExtentDomain = null; + return function(t) { + xExtent = extent1.x = xi(t); + yExtent = extent1.y = yi(t); + event_({ + type: "brush", + mode: "resize" + }); + }; + }).each("end.brush", function() { + xExtentDomain = extent1.i; + yExtentDomain = extent1.j; + event_({ + type: "brush", + mode: "resize" + }); + event_({ + type: "brushend" + }); + }); + } else { + event_({ + type: "brushstart" + }); + event_({ + type: "brush", + mode: "resize" + }); + event_({ + type: "brushend" + }); + } + }); + }; + function redraw(g) { + g.selectAll(".resize").attr("transform", function(d) { + return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; + }); + } + function redrawX(g) { + g.select(".extent").attr("x", xExtent[0]); + g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); + } + function redrawY(g) { + g.select(".extent").attr("y", yExtent[0]); + g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); + } + function brushstart() { + var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset; + var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup); + if (d3.event.changedTouches) { + w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); + } else { + w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); + } + g.interrupt().selectAll("*").interrupt(); + if (dragging) { + origin[0] = xExtent[0] - origin[0]; + origin[1] = yExtent[0] - origin[1]; + } else if (resizing) { + var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); + offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; + origin[0] = xExtent[ex]; + origin[1] = yExtent[ey]; + } else if (d3.event.altKey) center = origin.slice(); + g.style("pointer-events", "none").selectAll(".resize").style("display", null); + d3.select("body").style("cursor", eventTarget.style("cursor")); + event_({ + type: "brushstart" + }); + brushmove(); + function keydown() { + if (d3.event.keyCode == 32) { + if (!dragging) { + center = null; + origin[0] -= xExtent[1]; + origin[1] -= yExtent[1]; + dragging = 2; + } + d3_eventPreventDefault(); + } + } + function keyup() { + if (d3.event.keyCode == 32 && dragging == 2) { + origin[0] += xExtent[1]; + origin[1] += yExtent[1]; + dragging = 0; + d3_eventPreventDefault(); + } + } + function brushmove() { + var point = d3.mouse(target), moved = false; + if (offset) { + point[0] += offset[0]; + point[1] += offset[1]; + } + if (!dragging) { + if (d3.event.altKey) { + if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; + origin[0] = xExtent[+(point[0] < center[0])]; + origin[1] = yExtent[+(point[1] < center[1])]; + } else center = null; + } + if (resizingX && move1(point, x, 0)) { + redrawX(g); + moved = true; + } + if (resizingY && move1(point, y, 1)) { + redrawY(g); + moved = true; + } + if (moved) { + redraw(g); + event_({ + type: "brush", + mode: dragging ? "move" : "resize" + }); + } + } + function move1(point, scale, i) { + var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; + if (dragging) { + r0 -= position; + r1 -= size + position; + } + min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i]; + if (dragging) { + max = (min += position) + size; + } else { + if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); + if (position < min) { + max = min; + min = position; + } else { + max = position; + } + } + if (extent[0] != min || extent[1] != max) { + if (i) yExtentDomain = null; else xExtentDomain = null; + extent[0] = min; + extent[1] = max; + return true; + } + } + function brushend() { + brushmove(); + g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); + d3.select("body").style("cursor", null); + w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null); + dragRestore(); + event_({ + type: "brushend" + }); + } + } + brush.x = function(z) { + if (!arguments.length) return x; + x = z; + resizes = d3_svg_brushResizes[!x << 1 | !y]; + return brush; + }; + brush.y = function(z) { + if (!arguments.length) return y; + y = z; + resizes = d3_svg_brushResizes[!x << 1 | !y]; + return brush; + }; + brush.clamp = function(z) { + if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; + if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; + return brush; + }; + brush.extent = function(z) { + var x0, x1, y0, y1, t; + if (!arguments.length) { + if (x) { + if (xExtentDomain) { + x0 = xExtentDomain[0], x1 = xExtentDomain[1]; + } else { + x0 = xExtent[0], x1 = xExtent[1]; + if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); + if (x1 < x0) t = x0, x0 = x1, x1 = t; + } + } + if (y) { + if (yExtentDomain) { + y0 = yExtentDomain[0], y1 = yExtentDomain[1]; + } else { + y0 = yExtent[0], y1 = yExtent[1]; + if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); + if (y1 < y0) t = y0, y0 = y1, y1 = t; + } + } + return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; + } + if (x) { + x0 = z[0], x1 = z[1]; + if (y) x0 = x0[0], x1 = x1[0]; + xExtentDomain = [ x0, x1 ]; + if (x.invert) x0 = x(x0), x1 = x(x1); + if (x1 < x0) t = x0, x0 = x1, x1 = t; + if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; + } + if (y) { + y0 = z[0], y1 = z[1]; + if (x) y0 = y0[1], y1 = y1[1]; + yExtentDomain = [ y0, y1 ]; + if (y.invert) y0 = y(y0), y1 = y(y1); + if (y1 < y0) t = y0, y0 = y1, y1 = t; + if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; + } + return brush; + }; + brush.clear = function() { + if (!brush.empty()) { + xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; + xExtentDomain = yExtentDomain = null; + } + return brush; + }; + brush.empty = function() { + return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1]; + }; + return d3.rebind(brush, event, "on"); + }; + var d3_svg_brushCursor = { + n: "ns-resize", + e: "ew-resize", + s: "ns-resize", + w: "ew-resize", + nw: "nwse-resize", + ne: "nesw-resize", + se: "nwse-resize", + sw: "nesw-resize" + }; + var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; + var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; + var d3_time_formatUtc = d3_time_format.utc; + var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ"); + d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso; + function d3_time_formatIsoNative(date) { + return date.toISOString(); + } + d3_time_formatIsoNative.parse = function(string) { + var date = new Date(string); + return isNaN(date) ? null : date; + }; + d3_time_formatIsoNative.toString = d3_time_formatIso.toString; + d3_time.second = d3_time_interval(function(date) { + return new d3_date(Math.floor(date / 1e3) * 1e3); + }, function(date, offset) { + date.setTime(date.getTime() + Math.floor(offset) * 1e3); + }, function(date) { + return date.getSeconds(); + }); + d3_time.seconds = d3_time.second.range; + d3_time.seconds.utc = d3_time.second.utc.range; + d3_time.minute = d3_time_interval(function(date) { + return new d3_date(Math.floor(date / 6e4) * 6e4); + }, function(date, offset) { + date.setTime(date.getTime() + Math.floor(offset) * 6e4); + }, function(date) { + return date.getMinutes(); + }); + d3_time.minutes = d3_time.minute.range; + d3_time.minutes.utc = d3_time.minute.utc.range; + d3_time.hour = d3_time_interval(function(date) { + var timezone = date.getTimezoneOffset() / 60; + return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); + }, function(date, offset) { + date.setTime(date.getTime() + Math.floor(offset) * 36e5); + }, function(date) { + return date.getHours(); + }); + d3_time.hours = d3_time.hour.range; + d3_time.hours.utc = d3_time.hour.utc.range; + d3_time.month = d3_time_interval(function(date) { + date = d3_time.day(date); + date.setDate(1); + return date; + }, function(date, offset) { + date.setMonth(date.getMonth() + offset); + }, function(date) { + return date.getMonth(); + }); + d3_time.months = d3_time.month.range; + d3_time.months.utc = d3_time.month.utc.range; + function d3_time_scale(linear, methods, format) { + function scale(x) { + return linear(x); + } + scale.invert = function(x) { + return d3_time_scaleDate(linear.invert(x)); + }; + scale.domain = function(x) { + if (!arguments.length) return linear.domain().map(d3_time_scaleDate); + linear.domain(x); + return scale; + }; + function tickMethod(extent, count) { + var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); + return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { + return d / 31536e6; + }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i]; + } + scale.nice = function(interval, skip) { + var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval); + if (method) interval = method[0], skip = method[1]; + function skipped(date) { + return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length; + } + return scale.domain(d3_scale_nice(domain, skip > 1 ? { + floor: function(date) { + while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1); + return date; + }, + ceil: function(date) { + while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1); + return date; + } + } : interval)); + }; + scale.ticks = function(interval, skip) { + var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ { + range: interval + }, skip ]; + if (method) interval = method[0], skip = method[1]; + return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip); + }; + scale.tickFormat = function() { + return format; + }; + scale.copy = function() { + return d3_time_scale(linear.copy(), methods, format); + }; + return d3_scale_linearRebind(scale, linear); + } + function d3_time_scaleDate(t) { + return new Date(t); + } + var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ]; + var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ]; + var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) { + return d.getMilliseconds(); + } ], [ ":%S", function(d) { + return d.getSeconds(); + } ], [ "%I:%M", function(d) { + return d.getMinutes(); + } ], [ "%I %p", function(d) { + return d.getHours(); + } ], [ "%a %d", function(d) { + return d.getDay() && d.getDate() != 1; + } ], [ "%b %d", function(d) { + return d.getDate() != 1; + } ], [ "%B", function(d) { + return d.getMonth(); + } ], [ "%Y", d3_true ] ]); + var d3_time_scaleMilliseconds = { + range: function(start, stop, step) { + return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate); + }, + floor: d3_identity, + ceil: d3_identity + }; + d3_time_scaleLocalMethods.year = d3_time.year; + d3_time.scale = function() { + return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); + }; + var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) { + return [ m[0].utc, m[1] ]; + }); + var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) { + return d.getUTCMilliseconds(); + } ], [ ":%S", function(d) { + return d.getUTCSeconds(); + } ], [ "%I:%M", function(d) { + return d.getUTCMinutes(); + } ], [ "%I %p", function(d) { + return d.getUTCHours(); + } ], [ "%a %d", function(d) { + return d.getUTCDay() && d.getUTCDate() != 1; + } ], [ "%b %d", function(d) { + return d.getUTCDate() != 1; + } ], [ "%B", function(d) { + return d.getUTCMonth(); + } ], [ "%Y", d3_true ] ]); + d3_time_scaleUtcMethods.year = d3_time.year.utc; + d3_time.scale.utc = function() { + return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat); + }; + d3.text = d3_xhrType(function(request) { + return request.responseText; + }); + d3.json = function(url, callback) { + return d3_xhr(url, "application/json", d3_json, callback); + }; + function d3_json(request) { + return JSON.parse(request.responseText); + } + d3.html = function(url, callback) { + return d3_xhr(url, "text/html", d3_html, callback); + }; + function d3_html(request) { + var range = d3_document.createRange(); + range.selectNode(d3_document.body); + return range.createContextualFragment(request.responseText); + } + d3.xml = d3_xhrType(function(request) { + return request.responseXML; + }); + if (module.exports) module.exports = d3; else this.d3 = d3; + }(); + } (d3$2)); + + // import d3 and make it globally available + const d3$1 = d3$2.exports; + window.d3 = d3$1; + + (function () { + // get a reference to the d3.selection prototype, + // and keep a reference to the old d3.selection.on + const d3_selectionPrototype = d3.selection.prototype, + d3_on = d3_selectionPrototype.on; + + // our shims are organized by event: + // "desired-event": ["shimmed-event", wrapperFunction] + const shims = { + mouseenter: ['mouseover', relatedTarget], + mouseleave: ['mouseout', relatedTarget] + }; + + // rewrite the d3.selection.on function to shim the events with wrapped + // callbacks + d3_selectionPrototype.on = function (evt, callback, useCapture) { + const bits = evt.split('.'), + type = bits.shift(), + shim = shims[type]; + if (shim) { + evt = bits.length ? [shim[0], bits].join('.') : shim[0]; + if (typeof callback === 'function') { + callback = shim[1](callback); + } + return d3_on.call(this, evt, callback, useCapture); + } else { + return d3_on.apply(this, arguments); + } + }; + + function relatedTarget(callback) { + return function () { + const related = d3.event.relatedTarget; + if (this === related || childOf(this, related)) { + return undefined; + } + return callback.apply(this, arguments); + }; + } + + function childOf(p, c) { + if (p === c) return false; + while (c && c !== p) c = c.parentNode; + return c === p; + } + })(); + + /* + * This code is licensed under the MIT license. + * + * Copyright © 2013, iD authors. + * + * Portions copyright © 2011, Keith Cirkel + * See https://github.com/keithamus/jwerty + * + */ + + d3.keybinding = function (namespace) { + const bindings = []; + + function matches(binding, event) { + for (const p in binding.event) { + if (event[p] !== binding.event[p]) return false; + } + + return !binding.capture === (event.eventPhase !== Event.CAPTURING_PHASE); + } + + function capture() { + for (let i = 0; i < bindings.length; i++) { + const binding = bindings[i]; + if (matches(binding, d3.event)) { + binding.callback(); + } + } + } + + function bubble() { + const tagName = d3.select(d3.event.target).node().tagName; + if (tagName === 'INPUT' || tagName === 'SELECT' || tagName === 'TEXTAREA') { + return; + } + capture(); + } + + function keybinding(selection) { + selection = selection || d3.select(document); + selection.on('keydown.capture' + namespace, capture, true); + selection.on('keydown.bubble' + namespace, bubble, false); + return keybinding; + } + + keybinding.off = function (selection) { + selection = selection || d3.select(document); + selection.on('keydown.capture' + namespace, null); + selection.on('keydown.bubble' + namespace, null); + return keybinding; + }; + + keybinding.on = function (code, callback, capture) { + const binding = { + event: { + keyCode: 0, + shiftKey: false, + ctrlKey: false, + altKey: false, + metaKey: false + }, + capture: capture, + callback: callback + }; + + code = code.toLowerCase().match(/(?:(?:[^+⇧⌃⌥⌘])+|[⇧⌃⌥⌘]|\+\+|^\+$)/g); + + for (let i = 0; i < code.length; i++) { + // Normalise matching errors + if (code[i] === '++') code[i] = '+'; + + if (code[i] in d3.keybinding.modifierCodes) { + binding.event[ + d3.keybinding.modifierProperties[d3.keybinding.modifierCodes[code[i]]] + ] = true; + } else if (code[i] in d3.keybinding.keyCodes) { + binding.event.keyCode = d3.keybinding.keyCodes[code[i]]; + } + } + + bindings.push(binding); + + return keybinding; + }; + + return keybinding; + }; + + (function () { + d3.keybinding.modifierCodes = { + // Shift key, ⇧ + '⇧': 16, + shift: 16, + // CTRL key, on Mac: ⌃ + '⌃': 17, + ctrl: 17, + // ALT key, on Mac: ⌥ (Alt) + '⌥': 18, + alt: 18, + option: 18, + // META, on Mac: ⌘ (CMD), on Windows (Win), on Linux (Super) + '⌘': 91, + meta: 91, + cmd: 91, + super: 91, + win: 91 + }; + + d3.keybinding.modifierProperties = { + 16: 'shiftKey', + 17: 'ctrlKey', + 18: 'altKey', + 91: 'metaKey' + }; + + d3.keybinding.keyCodes = { + // Backspace key, on Mac: ⌫ (Backspace) + '⌫': 8, + backspace: 8, + // Tab Key, on Mac: ⇥ (Tab), on Windows ⇥⇥ + '⇥': 9, + '⇆': 9, + tab: 9, + // Return key, ↩ + '↩': 13, + return: 13, + enter: 13, + '⌅': 13, + // Pause/Break key + pause: 19, + 'pause-break': 19, + // Caps Lock key, ⇪ + '⇪': 20, + caps: 20, + 'caps-lock': 20, + // Escape key, on Mac: ⎋, on Windows: Esc + '⎋': 27, + escape: 27, + esc: 27, + // Space key + space: 32, + // Page-Up key, or pgup, on Mac: ↖ + '↖': 33, + pgup: 33, + 'page-up': 33, + // Page-Down key, or pgdown, on Mac: ↘ + '↘': 34, + pgdown: 34, + 'page-down': 34, + // END key, on Mac: ⇟ + '⇟': 35, + end: 35, + // HOME key, on Mac: ⇞ + '⇞': 36, + home: 36, + // Insert key, or ins + ins: 45, + insert: 45, + // Delete key, on Mac: ⌦ (Delete) + '⌦': 46, + del: 46, + delete: 46, + // Left Arrow Key, or ← + '←': 37, + left: 37, + 'arrow-left': 37, + // Up Arrow Key, or ↑ + '↑': 38, + up: 38, + 'arrow-up': 38, + // Right Arrow Key, or → + '→': 39, + right: 39, + 'arrow-right': 39, + // Up Arrow Key, or ↓ + '↓': 40, + down: 40, + 'arrow-down': 40, + // odities, printing characters that come out wrong: + // Num-Multiply, or * + '*': 106, + star: 106, + asterisk: 106, + multiply: 106, + // Num-Plus or + + '+': 107, + plus: 107, + // Num-Subtract, or - + '-': 109, + subtract: 109, + // Semicolon + ';': 186, + semicolon: 186, + // = or equals + '=': 187, + equals: 187, + // Comma, or , + ',': 188, + comma: 188, + dash: 189, // ??? + // Period, or ., or full-stop + '.': 190, + period: 190, + 'full-stop': 190, + // Slash, or /, or forward-slash + '/': 191, + slash: 191, + 'forward-slash': 191, + // Tick, or `, or back-quote + '`': 192, + tick: 192, + 'back-quote': 192, + // Open bracket, or [ + '[': 219, + 'open-bracket': 219, + // Back slash, or \ + '\\': 220, + 'back-slash': 220, + // Close backet, or ] + ']': 221, + 'close-bracket': 221, + // Apostrophe, or Quote, or ' + "'": 222, + quote: 222, + apostrophe: 222 + }; + + // NUMPAD 0-9 + let i = 95, + n = 0; + while (++i < 106) { + d3.keybinding.keyCodes['num-' + n] = i; + ++n; + } + + // 0-9 + i = 47; + n = 0; + while (++i < 58) { + d3.keybinding.keyCodes[n] = i; + ++n; + } + + // F1-F25 + i = 111; + n = 1; + while (++i < 136) { + d3.keybinding.keyCodes['f' + n] = i; + ++n; + } + + // a-z + i = 64; + while (++i < 91) { + d3.keybinding.keyCodes[String.fromCharCode(i).toLowerCase()] = i; + } + })(); + + d3.selection.prototype.trigger = function (type) { + this.each(function () { + const evt = document.createEvent('HTMLEvents'); + evt.initEvent(type, true, true); + this.dispatchEvent(evt); + }); + }; + + // eslint-disable-next-line @typescript-eslint/unbound-method + const objectToString$2 = Object.prototype.toString; + + /** + * Checks whether given value's type is one of a few Error or Error-like + * {@link isError}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isError$2(wat) { + switch (objectToString$2.call(wat)) { + case '[object Error]': + case '[object Exception]': + case '[object DOMException]': + return true; + default: + return isInstanceOf(wat, Error); + } + } + /** + * Checks whether given value is an instance of the given built-in class. + * + * @param wat The value to be checked + * @param className + * @returns A boolean representing the result. + */ + function isBuiltin(wat, className) { + return objectToString$2.call(wat) === `[object ${className}]`; + } + + /** + * Checks whether given value's type is ErrorEvent + * {@link isErrorEvent}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isErrorEvent(wat) { + return isBuiltin(wat, 'ErrorEvent'); + } + + /** + * Checks whether given value's type is DOMError + * {@link isDOMError}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isDOMError(wat) { + return isBuiltin(wat, 'DOMError'); + } + + /** + * Checks whether given value's type is DOMException + * {@link isDOMException}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isDOMException(wat) { + return isBuiltin(wat, 'DOMException'); + } + + /** + * Checks whether given value's type is a string + * {@link isString}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isString$2(wat) { + return isBuiltin(wat, 'String'); + } + + /** + * Checks whether given value is a primitive (undefined, null, number, boolean, string, bigint, symbol) + * {@link isPrimitive}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isPrimitive$1(wat) { + return wat === null || (typeof wat !== 'object' && typeof wat !== 'function'); + } + + /** + * Checks whether given value's type is an object literal + * {@link isPlainObject}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isPlainObject$1(wat) { + return isBuiltin(wat, 'Object'); + } + + /** + * Checks whether given value's type is an Event instance + * {@link isEvent}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isEvent(wat) { + return typeof Event !== 'undefined' && isInstanceOf(wat, Event); + } + + /** + * Checks whether given value's type is an Element instance + * {@link isElement}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isElement$2(wat) { + return typeof Element !== 'undefined' && isInstanceOf(wat, Element); + } + + /** + * Checks whether given value's type is an regexp + * {@link isRegExp}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isRegExp$2(wat) { + return isBuiltin(wat, 'RegExp'); + } + + /** + * Checks whether given value has a then function. + * @param wat A value to be checked. + */ + function isThenable(wat) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + return Boolean(wat && wat.then && typeof wat.then === 'function'); + } + + /** + * Checks whether given value's type is a SyntheticEvent + * {@link isSyntheticEvent}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isSyntheticEvent(wat) { + return isPlainObject$1(wat) && 'nativeEvent' in wat && 'preventDefault' in wat && 'stopPropagation' in wat; + } + + /** + * Checks whether given value is NaN + * {@link isNaN}. + * + * @param wat A value to be checked. + * @returns A boolean representing the result. + */ + function isNaN$1(wat) { + return typeof wat === 'number' && wat !== wat; + } + + /** + * Checks whether given value's type is an instance of provided constructor. + * {@link isInstanceOf}. + * + * @param wat A value to be checked. + * @param base A constructor to be used in a check. + * @returns A boolean representing the result. + */ + function isInstanceOf(wat, base) { + try { + return wat instanceof base; + } catch (_e) { + return false; + } + } + + var global$1 = (typeof global !== "undefined" ? global : + typeof self !== "undefined" ? self : + typeof window !== "undefined" ? window : {}); + + /** Internal global with common properties and Sentry extensions */ + + // The code below for 'isGlobalObj' and 'GLOBAL_OBJ' was copied from core-js before modification + // https://github.com/zloirock/core-js/blob/1b944df55282cdc99c90db5f49eb0b6eda2cc0a3/packages/core-js/internals/global.js + // core-js has the following licence: + // + // Copyright (c) 2014-2022 Denis Pushkarev + // + // Permission is hereby granted, free of charge, to any person obtaining a copy + // of this software and associated documentation files (the "Software"), to deal + // in the Software without restriction, including without limitation the rights + // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + // copies of the Software, and to permit persons to whom the Software is + // furnished to do so, subject to the following conditions: + // + // The above copyright notice and this permission notice shall be included in + // all copies or substantial portions of the Software. + // + // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + // THE SOFTWARE. + + /** Returns 'obj' if it's the global object, otherwise returns undefined */ + function isGlobalObj(obj) { + return obj && obj.Math == Math ? obj : undefined; + } + + /** Get's the global object for the current JavaScript runtime */ + const GLOBAL_OBJ = + (typeof globalThis == 'object' && isGlobalObj(globalThis)) || + // eslint-disable-next-line no-restricted-globals + (typeof window == 'object' && isGlobalObj(window)) || + (typeof self == 'object' && isGlobalObj(self)) || + (typeof global$1 == 'object' && isGlobalObj(global$1)) || + (function () { + return this; + })() || + {}; + + /** + * @deprecated Use GLOBAL_OBJ instead or WINDOW from @sentry/browser. This will be removed in v8 + */ + function getGlobalObject() { + return GLOBAL_OBJ ; + } + + /** + * Returns a global singleton contained in the global `__SENTRY__` object. + * + * If the singleton doesn't already exist in `__SENTRY__`, it will be created using the given factory + * function and added to the `__SENTRY__` object. + * + * @param name name of the global singleton on __SENTRY__ + * @param creator creator Factory function to create the singleton if it doesn't already exist on `__SENTRY__` + * @param obj (Optional) The global object on which to look for `__SENTRY__`, if not `GLOBAL_OBJ`'s return value + * @returns the singleton + */ + function getGlobalSingleton(name, creator, obj) { + const gbl = (obj || GLOBAL_OBJ) ; + const __SENTRY__ = (gbl.__SENTRY__ = gbl.__SENTRY__ || {}); + const singleton = __SENTRY__[name] || (__SENTRY__[name] = creator()); + return singleton; + } + + // eslint-disable-next-line deprecation/deprecation + const WINDOW$5 = getGlobalObject(); + + /** + * Given a child DOM element, returns a query-selector statement describing that + * and its ancestors + * e.g. [HTMLElement] => body > div > input#foo.btn[name=baz] + * @returns generated DOM path + */ + function htmlTreeAsString(elem, keyAttrs) { + + // try/catch both: + // - accessing event.target (see getsentry/raven-js#838, #768) + // - `htmlTreeAsString` because it's complex, and just accessing the DOM incorrectly + // - can throw an exception in some circumstances. + try { + let currentElem = elem ; + const MAX_TRAVERSE_HEIGHT = 5; + const MAX_OUTPUT_LEN = 80; + const out = []; + let height = 0; + let len = 0; + const separator = ' > '; + const sepLength = separator.length; + let nextStr; + + // eslint-disable-next-line no-plusplus + while (currentElem && height++ < MAX_TRAVERSE_HEIGHT) { + nextStr = _htmlElementAsString(currentElem, keyAttrs); + // bail out if + // - nextStr is the 'html' element + // - the length of the string that would be created exceeds MAX_OUTPUT_LEN + // (ignore this limit if we are on the first iteration) + if (nextStr === 'html' || (height > 1 && len + out.length * sepLength + nextStr.length >= MAX_OUTPUT_LEN)) { + break; + } + + out.push(nextStr); + + len += nextStr.length; + currentElem = currentElem.parentNode; + } + + return out.reverse().join(separator); + } catch (_oO) { + return ''; + } + } + + /** + * Returns a simple, query-selector representation of a DOM element + * e.g. [HTMLElement] => input#foo.btn[name=baz] + * @returns generated DOM path + */ + function _htmlElementAsString(el, keyAttrs) { + const elem = el + + ; + + const out = []; + let className; + let classes; + let key; + let attr; + let i; + + if (!elem || !elem.tagName) { + return ''; + } + + out.push(elem.tagName.toLowerCase()); + + // Pairs of attribute keys defined in `serializeAttribute` and their values on element. + const keyAttrPairs = + keyAttrs && keyAttrs.length + ? keyAttrs.filter(keyAttr => elem.getAttribute(keyAttr)).map(keyAttr => [keyAttr, elem.getAttribute(keyAttr)]) + : null; + + if (keyAttrPairs && keyAttrPairs.length) { + keyAttrPairs.forEach(keyAttrPair => { + out.push(`[${keyAttrPair[0]}="${keyAttrPair[1]}"]`); + }); + } else { + if (elem.id) { + out.push(`#${elem.id}`); + } + + // eslint-disable-next-line prefer-const + className = elem.className; + if (className && isString$2(className)) { + classes = className.split(/\s+/); + for (i = 0; i < classes.length; i++) { + out.push(`.${classes[i]}`); + } + } + } + const allowedAttrs = ['type', 'name', 'title', 'alt']; + for (i = 0; i < allowedAttrs.length; i++) { + key = allowedAttrs[i]; + attr = elem.getAttribute(key); + if (attr) { + out.push(`[${key}="${attr}"]`); + } + } + return out.join(''); + } + + /** + * A safe form of location.href + */ + function getLocationHref() { + try { + return WINDOW$5.document.location.href; + } catch (oO) { + return ''; + } + } + + /** + * Gets a DOM element by using document.querySelector. + * + * This wrapper will first check for the existance of the function before + * actually calling it so that we don't have to take care of this check, + * every time we want to access the DOM. + * + * Reason: DOM/querySelector is not available in all environments. + * + * We have to cast to any because utils can be consumed by a variety of environments, + * and we don't want to break TS users. If you know what element will be selected by + * `document.querySelector`, specify it as part of the generic call. For example, + * `const element = getDomElement('selector');` + * + * @param selector the selector string passed on to document.querySelector + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function getDomElement(selector) { + if (WINDOW$5.document && WINDOW$5.document.querySelector) { + return WINDOW$5.document.querySelector(selector) ; + } + return null; + } + + /** An error emitted by Sentry SDKs and related utilities. */ + class SentryError extends Error { + /** Display name of this error instance. */ + + constructor( message, logLevel = 'warn') { + super(message);this.message = message; + this.name = new.target.prototype.constructor.name; + // This sets the prototype to be `Error`, not `SentryError`. It's unclear why we do this, but commenting this line + // out causes various (seemingly totally unrelated) playwright tests consistently time out. FYI, this makes + // instances of `SentryError` fail `obj instanceof SentryError` checks. + Object.setPrototypeOf(this, new.target.prototype); + this.logLevel = logLevel; + } + } + + /** Regular expression used to parse a Dsn. */ + const DSN_REGEX = /^(?:(\w+):)\/\/(?:(\w+)(?::(\w+)?)?@)([\w.-]+)(?::(\d+))?\/(.+)/; + + function isValidProtocol(protocol) { + return protocol === 'http' || protocol === 'https'; + } + + /** + * Renders the string representation of this Dsn. + * + * By default, this will render the public representation without the password + * component. To get the deprecated private representation, set `withPassword` + * to true. + * + * @param withPassword When set to true, the password will be included. + */ + function dsnToString(dsn, withPassword = false) { + const { host, path, pass, port, projectId, protocol, publicKey } = dsn; + return ( + `${protocol}://${publicKey}${withPassword && pass ? `:${pass}` : ''}` + + `@${host}${port ? `:${port}` : ''}/${path ? `${path}/` : path}${projectId}` + ); + } + + /** + * Parses a Dsn from a given string. + * + * @param str A Dsn as string + * @returns Dsn as DsnComponents + */ + function dsnFromString(str) { + const match = DSN_REGEX.exec(str); + + if (!match) { + throw new SentryError(`Invalid Sentry Dsn: ${str}`); + } + + const [protocol, publicKey, pass = '', host, port = '', lastPath] = match.slice(1); + let path = ''; + let projectId = lastPath; + + const split = projectId.split('/'); + if (split.length > 1) { + path = split.slice(0, -1).join('/'); + projectId = split.pop() ; + } + + if (projectId) { + const projectMatch = projectId.match(/^\d+/); + if (projectMatch) { + projectId = projectMatch[0]; + } + } + + return dsnFromComponents({ host, pass, path, projectId, port, protocol: protocol , publicKey }); + } + + function dsnFromComponents(components) { + return { + protocol: components.protocol, + publicKey: components.publicKey || '', + pass: components.pass || '', + host: components.host, + port: components.port || '', + path: components.path || '', + projectId: components.projectId, + }; + } + + function validateDsn(dsn) { + if (!(typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__)) { + return; + } + + const { port, projectId, protocol } = dsn; + + const requiredComponents = ['protocol', 'publicKey', 'host', 'projectId']; + requiredComponents.forEach(component => { + if (!dsn[component]) { + throw new SentryError(`Invalid Sentry Dsn: ${component} missing`); + } + }); + + if (!projectId.match(/^\d+$/)) { + throw new SentryError(`Invalid Sentry Dsn: Invalid projectId ${projectId}`); + } + + if (!isValidProtocol(protocol)) { + throw new SentryError(`Invalid Sentry Dsn: Invalid protocol ${protocol}`); + } + + if (port && isNaN(parseInt(port, 10))) { + throw new SentryError(`Invalid Sentry Dsn: Invalid port ${port}`); + } + + return true; + } + + /** The Sentry Dsn, identifying a Sentry instance and project. */ + function makeDsn(from) { + const components = typeof from === 'string' ? dsnFromString(from) : dsnFromComponents(from); + validateDsn(components); + return components; + } + + /** Prefix for logging strings */ + const PREFIX = 'Sentry Logger '; + + const CONSOLE_LEVELS = ['debug', 'info', 'warn', 'error', 'log', 'assert', 'trace'] ; + + /** + * Temporarily disable sentry console instrumentations. + * + * @param callback The function to run against the original `console` messages + * @returns The results of the callback + */ + function consoleSandbox(callback) { + if (!('console' in GLOBAL_OBJ)) { + return callback(); + } + + const originalConsole = GLOBAL_OBJ.console ; + const wrappedLevels = {}; + + // Restore all wrapped console methods + CONSOLE_LEVELS.forEach(level => { + // TODO(v7): Remove this check as it's only needed for Node 6 + const originalWrappedFunc = + originalConsole[level] && (originalConsole[level] ).__sentry_original__; + if (level in originalConsole && originalWrappedFunc) { + wrappedLevels[level] = originalConsole[level] ; + originalConsole[level] = originalWrappedFunc ; + } + }); + + try { + return callback(); + } finally { + // Revert restoration to wrapped state + Object.keys(wrappedLevels).forEach(level => { + originalConsole[level] = wrappedLevels[level ]; + }); + } + } + + function makeLogger() { + let enabled = false; + const logger = { + enable: () => { + enabled = true; + }, + disable: () => { + enabled = false; + }, + }; + + if ((typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__)) { + CONSOLE_LEVELS.forEach(name => { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + logger[name] = (...args) => { + if (enabled) { + consoleSandbox(() => { + GLOBAL_OBJ.console[name](`${PREFIX}[${name}]:`, ...args); + }); + } + }; + }); + } else { + CONSOLE_LEVELS.forEach(name => { + logger[name] = () => undefined; + }); + } + + return logger ; + } + + // Ensure we only have a single logger instance, even if multiple versions of @sentry/utils are being used + let logger; + if ((typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__)) { + logger = getGlobalSingleton('logger', makeLogger); + } else { + logger = makeLogger(); + } + + /** + * Truncates given string to the maximum characters count + * + * @param str An object that contains serializable values + * @param max Maximum number of characters in truncated string (0 = unlimited) + * @returns string Encoded + */ + function truncate(str, max = 0) { + if (typeof str !== 'string' || max === 0) { + return str; + } + return str.length <= max ? str : `${str.substr(0, max)}...`; + } + + /** + * Join values in array + * @param input array of values to be joined together + * @param delimiter string to be placed in-between values + * @returns Joined values + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function safeJoin(input, delimiter) { + if (!Array.isArray(input)) { + return ''; + } + + const output = []; + // eslint-disable-next-line @typescript-eslint/prefer-for-of + for (let i = 0; i < input.length; i++) { + const value = input[i]; + try { + output.push(String(value)); + } catch (e) { + output.push('[value cannot be serialized]'); + } + } + + return output.join(delimiter); + } + + /** + * Checks if the given value matches a regex or string + * + * @param value The string to test + * @param pattern Either a regex or a string against which `value` will be matched + * @param requireExactStringMatch If true, `value` must match `pattern` exactly. If false, `value` will match + * `pattern` if it contains `pattern`. Only applies to string-type patterns. + */ + function isMatchingPattern( + value, + pattern, + requireExactStringMatch = false, + ) { + if (!isString$2(value)) { + return false; + } + + if (isRegExp$2(pattern)) { + return pattern.test(value); + } + if (isString$2(pattern)) { + return requireExactStringMatch ? value === pattern : value.includes(pattern); + } + + return false; + } + + /** + * Test the given string against an array of strings and regexes. By default, string matching is done on a + * substring-inclusion basis rather than a strict equality basis + * + * @param testString The string to test + * @param patterns The patterns against which to test the string + * @param requireExactStringMatch If true, `testString` must match one of the given string patterns exactly in order to + * count. If false, `testString` will match a string pattern if it contains that pattern. + * @returns + */ + function stringMatchesSomePattern( + testString, + patterns = [], + requireExactStringMatch = false, + ) { + return patterns.some(pattern => isMatchingPattern(testString, pattern, requireExactStringMatch)); + } + + /** + * Replace a method in an object with a wrapped version of itself. + * + * @param source An object that contains a method to be wrapped. + * @param name The name of the method to be wrapped. + * @param replacementFactory A higher-order function that takes the original version of the given method and returns a + * wrapped version. Note: The function returned by `replacementFactory` needs to be a non-arrow function, in order to + * preserve the correct value of `this`, and the original method must be called using `origMethod.call(this, )` or `origMethod.apply(this, [])` (rather than being called directly), again to preserve `this`. + * @returns void + */ + function fill(source, name, replacementFactory) { + if (!(name in source)) { + return; + } + + const original = source[name] ; + const wrapped = replacementFactory(original) ; + + // Make sure it's a function first, as we need to attach an empty prototype for `defineProperties` to work + // otherwise it'll throw "TypeError: Object.defineProperties called on non-object" + if (typeof wrapped === 'function') { + try { + markFunctionWrapped(wrapped, original); + } catch (_Oo) { + // This can throw if multiple fill happens on a global object like XMLHttpRequest + // Fixes https://github.com/getsentry/sentry-javascript/issues/2043 + } + } + + source[name] = wrapped; + } + + /** + * Defines a non-enumerable property on the given object. + * + * @param obj The object on which to set the property + * @param name The name of the property to be set + * @param value The value to which to set the property + */ + function addNonEnumerableProperty(obj, name, value) { + Object.defineProperty(obj, name, { + // enumerable: false, // the default, so we can save on bundle size by not explicitly setting it + value: value, + writable: true, + configurable: true, + }); + } + + /** + * Remembers the original function on the wrapped function and + * patches up the prototype. + * + * @param wrapped the wrapper function + * @param original the original function that gets wrapped + */ + function markFunctionWrapped(wrapped, original) { + const proto = original.prototype || {}; + wrapped.prototype = original.prototype = proto; + addNonEnumerableProperty(wrapped, '__sentry_original__', original); + } + + /** + * This extracts the original function if available. See + * `markFunctionWrapped` for more information. + * + * @param func the function to unwrap + * @returns the unwrapped version of the function if available. + */ + function getOriginalFunction(func) { + return func.__sentry_original__; + } + + /** + * Encodes given object into url-friendly format + * + * @param object An object that contains serializable values + * @returns string Encoded + */ + function urlEncode(object) { + return Object.keys(object) + .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(object[key])}`) + .join('&'); + } + + /** + * Transforms any `Error` or `Event` into a plain object with all of their enumerable properties, and some of their + * non-enumerable properties attached. + * + * @param value Initial source that we have to transform in order for it to be usable by the serializer + * @returns An Event or Error turned into an object - or the value argurment itself, when value is neither an Event nor + * an Error. + */ + function convertToPlainObject( + value, + ) + + { + if (isError$2(value)) { + return { + message: value.message, + name: value.name, + stack: value.stack, + ...getOwnProperties(value), + }; + } else if (isEvent(value)) { + const newObj + + = { + type: value.type, + target: serializeEventTarget(value.target), + currentTarget: serializeEventTarget(value.currentTarget), + ...getOwnProperties(value), + }; + + if (typeof CustomEvent !== 'undefined' && isInstanceOf(value, CustomEvent)) { + newObj.detail = value.detail; + } + + return newObj; + } else { + return value; + } + } + + /** Creates a string representation of the target of an `Event` object */ + function serializeEventTarget(target) { + try { + return isElement$2(target) ? htmlTreeAsString(target) : Object.prototype.toString.call(target); + } catch (_oO) { + return ''; + } + } + + /** Filters out all but an object's own properties */ + function getOwnProperties(obj) { + if (typeof obj === 'object' && obj !== null) { + const extractedProps = {}; + for (const property in obj) { + if (Object.prototype.hasOwnProperty.call(obj, property)) { + extractedProps[property] = (obj )[property]; + } + } + return extractedProps; + } else { + return {}; + } + } + + /** + * Given any captured exception, extract its keys and create a sorted + * and truncated list that will be used inside the event message. + * eg. `Non-error exception captured with keys: foo, bar, baz` + */ + function extractExceptionKeysForMessage(exception, maxLength = 40) { + const keys = Object.keys(convertToPlainObject(exception)); + keys.sort(); + + if (!keys.length) { + return '[object has no keys]'; + } + + if (keys[0].length >= maxLength) { + return truncate(keys[0], maxLength); + } + + for (let includedKeys = keys.length; includedKeys > 0; includedKeys--) { + const serialized = keys.slice(0, includedKeys).join(', '); + if (serialized.length > maxLength) { + continue; + } + if (includedKeys === keys.length) { + return serialized; + } + return truncate(serialized, maxLength); + } + + return ''; + } + + /** + * Given any object, return a new object having removed all fields whose value was `undefined`. + * Works recursively on objects and arrays. + * + * Attention: This function keeps circular references in the returned object. + */ + function dropUndefinedKeys(inputValue) { + // This map keeps track of what already visited nodes map to. + // Our Set - based memoBuilder doesn't work here because we want to the output object to have the same circular + // references as the input object. + const memoizationMap = new Map(); + + // This function just proxies `_dropUndefinedKeys` to keep the `memoBuilder` out of this function's API + return _dropUndefinedKeys(inputValue, memoizationMap); + } + + function _dropUndefinedKeys(inputValue, memoizationMap) { + if (isPlainObject$1(inputValue)) { + // If this node has already been visited due to a circular reference, return the object it was mapped to in the new object + const memoVal = memoizationMap.get(inputValue); + if (memoVal !== undefined) { + return memoVal ; + } + + const returnValue = {}; + // Store the mapping of this value in case we visit it again, in case of circular data + memoizationMap.set(inputValue, returnValue); + + for (const key of Object.keys(inputValue)) { + if (typeof inputValue[key] !== 'undefined') { + returnValue[key] = _dropUndefinedKeys(inputValue[key], memoizationMap); + } + } + + return returnValue ; + } + + if (Array.isArray(inputValue)) { + // If this node has already been visited due to a circular reference, return the array it was mapped to in the new object + const memoVal = memoizationMap.get(inputValue); + if (memoVal !== undefined) { + return memoVal ; + } + + const returnValue = []; + // Store the mapping of this value in case we visit it again, in case of circular data + memoizationMap.set(inputValue, returnValue); + + inputValue.forEach((item) => { + returnValue.push(_dropUndefinedKeys(item, memoizationMap)); + }); + + return returnValue ; + } + + return inputValue; + } + + /** + * Polyfill for the nullish coalescing operator (`??`). + * + * Note that the RHS is wrapped in a function so that if it's a computed value, that evaluation won't happen unless the + * LHS evaluates to a nullish value, to mimic the operator's short-circuiting behavior. + * + * Adapted from Sucrase (https://github.com/alangpierce/sucrase) + * + * @param lhs The value of the expression to the left of the `??` + * @param rhsFn A function returning the value of the expression to the right of the `??` + * @returns The LHS value, unless it's `null` or `undefined`, in which case, the RHS value + */ + function _nullishCoalesce(lhs, rhsFn) { + // by checking for loose equality to `null`, we catch both `null` and `undefined` + return lhs != null ? lhs : rhsFn(); + } + + /** + * Polyfill for the optional chain operator, `?.`, given previous conversion of the expression into an array of values, + * descriptors, and functions. + * + * Adapted from Sucrase (https://github.com/alangpierce/sucrase) + * See https://github.com/alangpierce/sucrase/blob/265887868966917f3b924ce38dfad01fbab1329f/src/transformers/OptionalChainingNullishTransformer.ts#L15 + * + * @param ops Array result of expression conversion + * @returns The value of the expression + */ + function _optionalChain(ops) { + let lastAccessLHS = undefined; + let value = ops[0]; + let i = 1; + while (i < ops.length) { + const op = ops[i] ; + const fn = ops[i + 1] ; + i += 2; + // by checking for loose equality to `null`, we catch both `null` and `undefined` + if ((op === 'optionalAccess' || op === 'optionalCall') && value == null) { + // really we're meaning to return `undefined` as an actual value here, but it saves bytes not to write it + return; + } + if (op === 'access' || op === 'optionalAccess') { + lastAccessLHS = value; + value = fn(value); + } else if (op === 'call' || op === 'optionalCall') { + value = fn((...args) => (value ).call(lastAccessLHS, ...args)); + lastAccessLHS = undefined; + } + } + return value; + } + + const STACKTRACE_LIMIT = 50; + + /** + * Creates a stack parser with the supplied line parsers + * + * StackFrames are returned in the correct order for Sentry Exception + * frames and with Sentry SDK internal frames removed from the top and bottom + * + */ + function createStackParser(...parsers) { + const sortedParsers = parsers.sort((a, b) => a[0] - b[0]).map(p => p[1]); + + return (stack, skipFirst = 0) => { + const frames = []; + + for (const line of stack.split('\n').slice(skipFirst)) { + // https://github.com/getsentry/sentry-javascript/issues/5459 + // Remove webpack (error: *) wrappers + const cleanedLine = line.replace(/\(error: (.*)\)/, '$1'); + + for (const parser of sortedParsers) { + const frame = parser(cleanedLine); + + if (frame) { + frames.push(frame); + break; + } + } + } + + return stripSentryFramesAndReverse(frames); + }; + } + + /** + * Gets a stack parser implementation from Options.stackParser + * @see Options + * + * If options contains an array of line parsers, it is converted into a parser + */ + function stackParserFromStackParserOptions(stackParser) { + if (Array.isArray(stackParser)) { + return createStackParser(...stackParser); + } + return stackParser; + } + + /** + * @hidden + */ + function stripSentryFramesAndReverse(stack) { + if (!stack.length) { + return []; + } + + let localStack = stack; + + const firstFrameFunction = localStack[0].function || ''; + const lastFrameFunction = localStack[localStack.length - 1].function || ''; + + // If stack starts with one of our API calls, remove it (starts, meaning it's the top of the stack - aka last call) + if (firstFrameFunction.indexOf('captureMessage') !== -1 || firstFrameFunction.indexOf('captureException') !== -1) { + localStack = localStack.slice(1); + } + + // If stack ends with one of our internal API calls, remove it (ends, meaning it's the bottom of the stack - aka top-most call) + if (lastFrameFunction.indexOf('sentryWrapped') !== -1) { + localStack = localStack.slice(0, -1); + } + + // The frame where the crash happened, should be the last entry in the array + return localStack + .slice(0, STACKTRACE_LIMIT) + .map(frame => ({ + ...frame, + filename: frame.filename || localStack[0].filename, + function: frame.function || '?', + })) + .reverse(); + } + + const defaultFunctionName = ''; + + /** + * Safely extract function name from itself + */ + function getFunctionName(fn) { + try { + if (!fn || typeof fn !== 'function') { + return defaultFunctionName; + } + return fn.name || defaultFunctionName; + } catch (e) { + // Just accessing custom props in some Selenium environments + // can cause a "Permission denied" exception (see raven-js#495). + return defaultFunctionName; + } + } + + // eslint-disable-next-line deprecation/deprecation + const WINDOW$4 = getGlobalObject(); + + /** + * Tells whether current environment supports Fetch API + * {@link supportsFetch}. + * + * @returns Answer to the given question. + */ + function supportsFetch() { + if (!('fetch' in WINDOW$4)) { + return false; + } + + try { + new Headers(); + new Request('http://www.example.com'); + new Response(); + return true; + } catch (e) { + return false; + } + } + /** + * isNativeFetch checks if the given function is a native implementation of fetch() + */ + // eslint-disable-next-line @typescript-eslint/ban-types + function isNativeFetch(func) { + return func && /^function fetch\(\)\s+\{\s+\[native code\]\s+\}$/.test(func.toString()); + } + + /** + * Tells whether current environment supports Fetch API natively + * {@link supportsNativeFetch}. + * + * @returns true if `window.fetch` is natively implemented, false otherwise + */ + function supportsNativeFetch() { + if (!supportsFetch()) { + return false; + } + + // Fast path to avoid DOM I/O + // eslint-disable-next-line @typescript-eslint/unbound-method + if (isNativeFetch(WINDOW$4.fetch)) { + return true; + } + + // window.fetch is implemented, but is polyfilled or already wrapped (e.g: by a chrome extension) + // so create a "pure" iframe to see if that has native fetch + let result = false; + const doc = WINDOW$4.document; + // eslint-disable-next-line deprecation/deprecation + if (doc && typeof (doc.createElement ) === 'function') { + try { + const sandbox = doc.createElement('iframe'); + sandbox.hidden = true; + doc.head.appendChild(sandbox); + if (sandbox.contentWindow && sandbox.contentWindow.fetch) { + // eslint-disable-next-line @typescript-eslint/unbound-method + result = isNativeFetch(sandbox.contentWindow.fetch); + } + doc.head.removeChild(sandbox); + } catch (err) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn('Could not create sandbox iframe for pure fetch check, bailing to window.fetch: ', err); + } + } + + return result; + } + + /** + * Tells whether current environment supports History API + * {@link supportsHistory}. + * + * @returns Answer to the given question. + */ + function supportsHistory() { + // NOTE: in Chrome App environment, touching history.pushState, *even inside + // a try/catch block*, will cause Chrome to output an error to console.error + // borrowed from: https://github.com/angular/angular.js/pull/13945/files + /* eslint-disable @typescript-eslint/no-unsafe-member-access */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const chrome = (WINDOW$4 ).chrome; + const isChromePackagedApp = chrome && chrome.app && chrome.app.runtime; + /* eslint-enable @typescript-eslint/no-unsafe-member-access */ + const hasHistoryApi = 'history' in WINDOW$4 && !!WINDOW$4.history.pushState && !!WINDOW$4.history.replaceState; + + return !isChromePackagedApp && hasHistoryApi; + } + + // eslint-disable-next-line deprecation/deprecation + const WINDOW$3 = getGlobalObject(); + + /** + * Instrument native APIs to call handlers that can be used to create breadcrumbs, APM spans etc. + * - Console API + * - Fetch API + * - XHR API + * - History API + * - DOM API (click/typing) + * - Error API + * - UnhandledRejection API + */ + + const handlers$1 = {}; + const instrumented = {}; + + /** Instruments given API */ + function instrument(type) { + if (instrumented[type]) { + return; + } + + instrumented[type] = true; + + switch (type) { + case 'console': + instrumentConsole(); + break; + case 'dom': + instrumentDOM(); + break; + case 'xhr': + instrumentXHR(); + break; + case 'fetch': + instrumentFetch(); + break; + case 'history': + instrumentHistory(); + break; + case 'error': + instrumentError(); + break; + case 'unhandledrejection': + instrumentUnhandledRejection(); + break; + default: + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('unknown instrumentation type:', type); + return; + } + } + + /** + * Add handler that will be called when given type of instrumentation triggers. + * Use at your own risk, this might break without changelog notice, only used internally. + * @hidden + */ + function addInstrumentationHandler(type, callback) { + handlers$1[type] = handlers$1[type] || []; + (handlers$1[type] ).push(callback); + instrument(type); + } + + /** JSDoc */ + function triggerHandlers(type, data) { + if (!type || !handlers$1[type]) { + return; + } + + for (const handler of handlers$1[type] || []) { + try { + handler(data); + } catch (e) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.error( + `Error while triggering instrumentation handler.\nType: ${type}\nName: ${getFunctionName(handler)}\nError:`, + e, + ); + } + } + } + + /** JSDoc */ + function instrumentConsole() { + if (!('console' in WINDOW$3)) { + return; + } + + CONSOLE_LEVELS.forEach(function (level) { + if (!(level in WINDOW$3.console)) { + return; + } + + fill(WINDOW$3.console, level, function (originalConsoleMethod) { + return function (...args) { + triggerHandlers('console', { args, level }); + + // this fails for some browsers. :( + if (originalConsoleMethod) { + originalConsoleMethod.apply(WINDOW$3.console, args); + } + }; + }); + }); + } + + /** JSDoc */ + function instrumentFetch() { + if (!supportsNativeFetch()) { + return; + } + + fill(WINDOW$3, 'fetch', function (originalFetch) { + return function (...args) { + const handlerData = { + args, + fetchData: { + method: getFetchMethod(args), + url: getFetchUrl(args), + }, + startTimestamp: Date.now(), + }; + + triggerHandlers('fetch', { + ...handlerData, + }); + + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + return originalFetch.apply(WINDOW$3, args).then( + (response) => { + triggerHandlers('fetch', { + ...handlerData, + endTimestamp: Date.now(), + response, + }); + return response; + }, + (error) => { + triggerHandlers('fetch', { + ...handlerData, + endTimestamp: Date.now(), + error, + }); + // NOTE: If you are a Sentry user, and you are seeing this stack frame, + // it means the sentry.javascript SDK caught an error invoking your application code. + // This is expected behavior and NOT indicative of a bug with sentry.javascript. + throw error; + }, + ); + }; + }); + } + + /* eslint-disable @typescript-eslint/no-unsafe-member-access */ + /** Extract `method` from fetch call arguments */ + function getFetchMethod(fetchArgs = []) { + if ('Request' in WINDOW$3 && isInstanceOf(fetchArgs[0], Request) && fetchArgs[0].method) { + return String(fetchArgs[0].method).toUpperCase(); + } + if (fetchArgs[1] && fetchArgs[1].method) { + return String(fetchArgs[1].method).toUpperCase(); + } + return 'GET'; + } + + /** Extract `url` from fetch call arguments */ + function getFetchUrl(fetchArgs = []) { + if (typeof fetchArgs[0] === 'string') { + return fetchArgs[0]; + } + if ('Request' in WINDOW$3 && isInstanceOf(fetchArgs[0], Request)) { + return fetchArgs[0].url; + } + return String(fetchArgs[0]); + } + /* eslint-enable @typescript-eslint/no-unsafe-member-access */ + + /** JSDoc */ + function instrumentXHR() { + if (!('XMLHttpRequest' in WINDOW$3)) { + return; + } + + const xhrproto = XMLHttpRequest.prototype; + + fill(xhrproto, 'open', function (originalOpen) { + return function ( ...args) { + // eslint-disable-next-line @typescript-eslint/no-this-alias + const xhr = this; + const url = args[1]; + const xhrInfo = (xhr.__sentry_xhr__ = { + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + method: isString$2(args[0]) ? args[0].toUpperCase() : args[0], + url: args[1], + }); + + // if Sentry key appears in URL, don't capture it as a request + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + if (isString$2(url) && xhrInfo.method === 'POST' && url.match(/sentry_key/)) { + xhr.__sentry_own_request__ = true; + } + + const onreadystatechangeHandler = function () { + if (xhr.readyState === 4) { + try { + // touching statusCode in some platforms throws + // an exception + xhrInfo.status_code = xhr.status; + } catch (e) { + /* do nothing */ + } + + triggerHandlers('xhr', { + args, + endTimestamp: Date.now(), + startTimestamp: Date.now(), + xhr, + }); + } + }; + + if ('onreadystatechange' in xhr && typeof xhr.onreadystatechange === 'function') { + fill(xhr, 'onreadystatechange', function (original) { + return function (...readyStateArgs) { + onreadystatechangeHandler(); + return original.apply(xhr, readyStateArgs); + }; + }); + } else { + xhr.addEventListener('readystatechange', onreadystatechangeHandler); + } + + return originalOpen.apply(xhr, args); + }; + }); + + fill(xhrproto, 'send', function (originalSend) { + return function ( ...args) { + if (this.__sentry_xhr__ && args[0] !== undefined) { + this.__sentry_xhr__.body = args[0]; + } + + triggerHandlers('xhr', { + args, + startTimestamp: Date.now(), + xhr: this, + }); + + return originalSend.apply(this, args); + }; + }); + } + + let lastHref; + + /** JSDoc */ + function instrumentHistory() { + if (!supportsHistory()) { + return; + } + + const oldOnPopState = WINDOW$3.onpopstate; + WINDOW$3.onpopstate = function ( ...args) { + const to = WINDOW$3.location.href; + // keep track of the current URL state, as we always receive only the updated state + const from = lastHref; + lastHref = to; + triggerHandlers('history', { + from, + to, + }); + if (oldOnPopState) { + // Apparently this can throw in Firefox when incorrectly implemented plugin is installed. + // https://github.com/getsentry/sentry-javascript/issues/3344 + // https://github.com/bugsnag/bugsnag-js/issues/469 + try { + return oldOnPopState.apply(this, args); + } catch (_oO) { + // no-empty + } + } + }; + + /** @hidden */ + function historyReplacementFunction(originalHistoryFunction) { + return function ( ...args) { + const url = args.length > 2 ? args[2] : undefined; + if (url) { + // coerce to string (this is what pushState does) + const from = lastHref; + const to = String(url); + // keep track of the current URL state, as we always receive only the updated state + lastHref = to; + triggerHandlers('history', { + from, + to, + }); + } + return originalHistoryFunction.apply(this, args); + }; + } + + fill(WINDOW$3.history, 'pushState', historyReplacementFunction); + fill(WINDOW$3.history, 'replaceState', historyReplacementFunction); + } + + const debounceDuration = 1000; + let debounceTimerID; + let lastCapturedEvent; + + /** + * Decide whether the current event should finish the debounce of previously captured one. + * @param previous previously captured event + * @param current event to be captured + */ + function shouldShortcircuitPreviousDebounce(previous, current) { + // If there was no previous event, it should always be swapped for the new one. + if (!previous) { + return true; + } + + // If both events have different type, then user definitely performed two separate actions. e.g. click + keypress. + if (previous.type !== current.type) { + return true; + } + + try { + // If both events have the same type, it's still possible that actions were performed on different targets. + // e.g. 2 clicks on different buttons. + if (previous.target !== current.target) { + return true; + } + } catch (e) { + // just accessing `target` property can throw an exception in some rare circumstances + // see: https://github.com/getsentry/sentry-javascript/issues/838 + } + + // If both events have the same type _and_ same `target` (an element which triggered an event, _not necessarily_ + // to which an event listener was attached), we treat them as the same action, as we want to capture + // only one breadcrumb. e.g. multiple clicks on the same button, or typing inside a user input box. + return false; + } + + /** + * Decide whether an event should be captured. + * @param event event to be captured + */ + function shouldSkipDOMEvent(event) { + // We are only interested in filtering `keypress` events for now. + if (event.type !== 'keypress') { + return false; + } + + try { + const target = event.target ; + + if (!target || !target.tagName) { + return true; + } + + // Only consider keypress events on actual input elements. This will disregard keypresses targeting body + // e.g.tabbing through elements, hotkeys, etc. + if (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA' || target.isContentEditable) { + return false; + } + } catch (e) { + // just accessing `target` property can throw an exception in some rare circumstances + // see: https://github.com/getsentry/sentry-javascript/issues/838 + } + + return true; + } + + /** + * Wraps addEventListener to capture UI breadcrumbs + * @param handler function that will be triggered + * @param globalListener indicates whether event was captured by the global event listener + * @returns wrapped breadcrumb events handler + * @hidden + */ + function makeDOMEventHandler(handler, globalListener = false) { + return (event) => { + // It's possible this handler might trigger multiple times for the same + // event (e.g. event propagation through node ancestors). + // Ignore if we've already captured that event. + if (!event || lastCapturedEvent === event) { + return; + } + + // We always want to skip _some_ events. + if (shouldSkipDOMEvent(event)) { + return; + } + + const name = event.type === 'keypress' ? 'input' : event.type; + + // If there is no debounce timer, it means that we can safely capture the new event and store it for future comparisons. + if (debounceTimerID === undefined) { + handler({ + event: event, + name, + global: globalListener, + }); + lastCapturedEvent = event; + } + // If there is a debounce awaiting, see if the new event is different enough to treat it as a unique one. + // If that's the case, emit the previous event and store locally the newly-captured DOM event. + else if (shouldShortcircuitPreviousDebounce(lastCapturedEvent, event)) { + handler({ + event: event, + name, + global: globalListener, + }); + lastCapturedEvent = event; + } + + // Start a new debounce timer that will prevent us from capturing multiple events that should be grouped together. + clearTimeout(debounceTimerID); + debounceTimerID = WINDOW$3.setTimeout(() => { + debounceTimerID = undefined; + }, debounceDuration); + }; + } + + /** JSDoc */ + function instrumentDOM() { + if (!('document' in WINDOW$3)) { + return; + } + + // Make it so that any click or keypress that is unhandled / bubbled up all the way to the document triggers our dom + // handlers. (Normally we have only one, which captures a breadcrumb for each click or keypress.) Do this before + // we instrument `addEventListener` so that we don't end up attaching this handler twice. + const triggerDOMHandler = triggerHandlers.bind(null, 'dom'); + const globalDOMEventHandler = makeDOMEventHandler(triggerDOMHandler, true); + WINDOW$3.document.addEventListener('click', globalDOMEventHandler, false); + WINDOW$3.document.addEventListener('keypress', globalDOMEventHandler, false); + + // After hooking into click and keypress events bubbled up to `document`, we also hook into user-handled + // clicks & keypresses, by adding an event listener of our own to any element to which they add a listener. That + // way, whenever one of their handlers is triggered, ours will be, too. (This is needed because their handler + // could potentially prevent the event from bubbling up to our global listeners. This way, our handler are still + // guaranteed to fire at least once.) + ['EventTarget', 'Node'].forEach((target) => { + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + const proto = (WINDOW$3 )[target] && (WINDOW$3 )[target].prototype; + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, no-prototype-builtins + if (!proto || !proto.hasOwnProperty || !proto.hasOwnProperty('addEventListener')) { + return; + } + + fill(proto, 'addEventListener', function (originalAddEventListener) { + return function ( + + type, + listener, + options, + ) { + if (type === 'click' || type == 'keypress') { + try { + const el = this ; + const handlers = (el.__sentry_instrumentation_handlers__ = el.__sentry_instrumentation_handlers__ || {}); + const handlerForType = (handlers[type] = handlers[type] || { refCount: 0 }); + + if (!handlerForType.handler) { + const handler = makeDOMEventHandler(triggerDOMHandler); + handlerForType.handler = handler; + originalAddEventListener.call(this, type, handler, options); + } + + handlerForType.refCount += 1; + } catch (e) { + // Accessing dom properties is always fragile. + // Also allows us to skip `addEventListenrs` calls with no proper `this` context. + } + } + + return originalAddEventListener.call(this, type, listener, options); + }; + }); + + fill( + proto, + 'removeEventListener', + function (originalRemoveEventListener) { + return function ( + + type, + listener, + options, + ) { + if (type === 'click' || type == 'keypress') { + try { + const el = this ; + const handlers = el.__sentry_instrumentation_handlers__ || {}; + const handlerForType = handlers[type]; + + if (handlerForType) { + handlerForType.refCount -= 1; + // If there are no longer any custom handlers of the current type on this element, we can remove ours, too. + if (handlerForType.refCount <= 0) { + originalRemoveEventListener.call(this, type, handlerForType.handler, options); + handlerForType.handler = undefined; + delete handlers[type]; // eslint-disable-line @typescript-eslint/no-dynamic-delete + } + + // If there are no longer any custom handlers of any type on this element, cleanup everything. + if (Object.keys(handlers).length === 0) { + delete el.__sentry_instrumentation_handlers__; + } + } + } catch (e) { + // Accessing dom properties is always fragile. + // Also allows us to skip `addEventListenrs` calls with no proper `this` context. + } + } + + return originalRemoveEventListener.call(this, type, listener, options); + }; + }, + ); + }); + } + + let _oldOnErrorHandler = null; + /** JSDoc */ + function instrumentError() { + _oldOnErrorHandler = WINDOW$3.onerror; + + WINDOW$3.onerror = function (msg, url, line, column, error) { + triggerHandlers('error', { + column, + error, + line, + msg, + url, + }); + + if (_oldOnErrorHandler) { + // eslint-disable-next-line prefer-rest-params + return _oldOnErrorHandler.apply(this, arguments); + } + + return false; + }; + } + + let _oldOnUnhandledRejectionHandler = null; + /** JSDoc */ + function instrumentUnhandledRejection() { + _oldOnUnhandledRejectionHandler = WINDOW$3.onunhandledrejection; + + WINDOW$3.onunhandledrejection = function (e) { + triggerHandlers('unhandledrejection', e); + + if (_oldOnUnhandledRejectionHandler) { + // eslint-disable-next-line prefer-rest-params + return _oldOnUnhandledRejectionHandler.apply(this, arguments); + } + + return true; + }; + } + + /* eslint-disable @typescript-eslint/no-unsafe-member-access */ + /* eslint-disable @typescript-eslint/no-explicit-any */ + + /** + * Helper to decycle json objects + */ + function memoBuilder() { + const hasWeakSet = typeof WeakSet === 'function'; + const inner = hasWeakSet ? new WeakSet() : []; + function memoize(obj) { + if (hasWeakSet) { + if (inner.has(obj)) { + return true; + } + inner.add(obj); + return false; + } + // eslint-disable-next-line @typescript-eslint/prefer-for-of + for (let i = 0; i < inner.length; i++) { + const value = inner[i]; + if (value === obj) { + return true; + } + } + inner.push(obj); + return false; + } + + function unmemoize(obj) { + if (hasWeakSet) { + inner.delete(obj); + } else { + for (let i = 0; i < inner.length; i++) { + if (inner[i] === obj) { + inner.splice(i, 1); + break; + } + } + } + } + return [memoize, unmemoize]; + } + + /** + * UUID4 generator + * + * @returns string Generated UUID4. + */ + function uuid4() { + const gbl = GLOBAL_OBJ ; + const crypto = gbl.crypto || gbl.msCrypto; + + if (crypto && crypto.randomUUID) { + return crypto.randomUUID().replace(/-/g, ''); + } + + const getRandomByte = + crypto && crypto.getRandomValues ? () => crypto.getRandomValues(new Uint8Array(1))[0] : () => Math.random() * 16; + + // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523 + // Concatenating the following numbers as strings results in '10000000100040008000100000000000' + return (([1e7] ) + 1e3 + 4e3 + 8e3 + 1e11).replace(/[018]/g, c => + // eslint-disable-next-line no-bitwise + ((c ) ^ ((getRandomByte() & 15) >> ((c ) / 4))).toString(16), + ); + } + + function getFirstException(event) { + return event.exception && event.exception.values ? event.exception.values[0] : undefined; + } + + /** + * Extracts either message or type+value from an event that can be used for user-facing logs + * @returns event's description + */ + function getEventDescription(event) { + const { message, event_id: eventId } = event; + if (message) { + return message; + } + + const firstException = getFirstException(event); + if (firstException) { + if (firstException.type && firstException.value) { + return `${firstException.type}: ${firstException.value}`; + } + return firstException.type || firstException.value || eventId || ''; + } + return eventId || ''; + } + + /** + * Adds exception values, type and value to an synthetic Exception. + * @param event The event to modify. + * @param value Value of the exception. + * @param type Type of the exception. + * @hidden + */ + function addExceptionTypeValue(event, value, type) { + const exception = (event.exception = event.exception || {}); + const values = (exception.values = exception.values || []); + const firstException = (values[0] = values[0] || {}); + if (!firstException.value) { + firstException.value = value || ''; + } + if (!firstException.type) { + firstException.type = type || 'Error'; + } + } + + /** + * Adds exception mechanism data to a given event. Uses defaults if the second parameter is not passed. + * + * @param event The event to modify. + * @param newMechanism Mechanism data to add to the event. + * @hidden + */ + function addExceptionMechanism(event, newMechanism) { + const firstException = getFirstException(event); + if (!firstException) { + return; + } + + const defaultMechanism = { type: 'generic', handled: true }; + const currentMechanism = firstException.mechanism; + firstException.mechanism = { ...defaultMechanism, ...currentMechanism, ...newMechanism }; + + if (newMechanism && 'data' in newMechanism) { + const mergedData = { ...(currentMechanism && currentMechanism.data), ...newMechanism.data }; + firstException.mechanism.data = mergedData; + } + } + + /** + * Checks whether or not we've already captured the given exception (note: not an identical exception - the very object + * in question), and marks it captured if not. + * + * This is useful because it's possible for an error to get captured by more than one mechanism. After we intercept and + * record an error, we rethrow it (assuming we've intercepted it before it's reached the top-level global handlers), so + * that we don't interfere with whatever effects the error might have had were the SDK not there. At that point, because + * the error has been rethrown, it's possible for it to bubble up to some other code we've instrumented. If it's not + * caught after that, it will bubble all the way up to the global handlers (which of course we also instrument). This + * function helps us ensure that even if we encounter the same error more than once, we only record it the first time we + * see it. + * + * Note: It will ignore primitives (always return `false` and not mark them as seen), as properties can't be set on + * them. {@link: Object.objectify} can be used on exceptions to convert any that are primitives into their equivalent + * object wrapper forms so that this check will always work. However, because we need to flag the exact object which + * will get rethrown, and because that rethrowing happens outside of the event processing pipeline, the objectification + * must be done before the exception captured. + * + * @param A thrown exception to check or flag as having been seen + * @returns `true` if the exception has already been captured, `false` if not (with the side effect of marking it seen) + */ + function checkOrSetAlreadyCaught(exception) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + if (exception && (exception ).__sentry_captured__) { + return true; + } + + try { + // set it this way rather than by assignment so that it's not ennumerable and therefore isn't recorded by the + // `ExtraErrorData` integration + addNonEnumerableProperty(exception , '__sentry_captured__', true); + } catch (err) { + // `exception` is a primitive, so we can't mark it seen + } + + return false; + } + + /** + * Checks whether the given input is already an array, and if it isn't, wraps it in one. + * + * @param maybeArray Input to turn into an array, if necessary + * @returns The input, if already an array, or an array with the input as the only element, if not + */ + function arrayify(maybeArray) { + return Array.isArray(maybeArray) ? maybeArray : [maybeArray]; + } + + // shim for using process in browser + // based off https://github.com/defunctzombie/node-process/blob/master/browser.js + + function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); + } + function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); + } + var cachedSetTimeout = defaultSetTimout; + var cachedClearTimeout = defaultClearTimeout; + if (typeof global$1.setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } + if (typeof global$1.clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } + + function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + + } + function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + + } + var queue = []; + var draining = false; + var currentQueue; + var queueIndex = -1; + + function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } + } + + function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); + } + function nextTick(fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } + } + // v8 likes predictible objects + function Item(fun, array) { + this.fun = fun; + this.array = array; + } + Item.prototype.run = function () { + this.fun.apply(null, this.array); + }; + var title = 'browser'; + var platform = 'browser'; + var browser$1 = true; + var env = {}; + var argv = []; + var version = ''; // empty string to avoid regexp issues + var versions = {}; + var release = {}; + var config$2 = {}; + + function noop() {} + + var on = noop; + var addListener = noop; + var once = noop; + var off = noop; + var removeListener = noop; + var removeAllListeners = noop; + var emit = noop; + + function binding(name) { + throw new Error('process.binding is not supported'); + } + + function cwd () { return '/' } + function chdir (dir) { + throw new Error('process.chdir is not supported'); + }function umask() { return 0; } + + // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js + var performance$1 = global$1.performance || {}; + var performanceNow = + performance$1.now || + performance$1.mozNow || + performance$1.msNow || + performance$1.oNow || + performance$1.webkitNow || + function(){ return (new Date()).getTime() }; + + // generate timestamp or delta + // see http://nodejs.org/api/process.html#process_process_hrtime + function hrtime(previousTimestamp){ + var clocktime = performanceNow.call(performance$1)*1e-3; + var seconds = Math.floor(clocktime); + var nanoseconds = Math.floor((clocktime%1)*1e9); + if (previousTimestamp) { + seconds = seconds - previousTimestamp[0]; + nanoseconds = nanoseconds - previousTimestamp[1]; + if (nanoseconds<0) { + seconds--; + nanoseconds += 1e9; + } + } + return [seconds,nanoseconds] + } + + var startTime = new Date(); + function uptime() { + var currentTime = new Date(); + var dif = currentTime - startTime; + return dif / 1000; + } + + var browser$1$1 = { + nextTick: nextTick, + title: title, + browser: browser$1, + env: env, + argv: argv, + version: version, + versions: versions, + on: on, + addListener: addListener, + once: once, + off: off, + removeListener: removeListener, + removeAllListeners: removeAllListeners, + emit: emit, + binding: binding, + cwd: cwd, + chdir: chdir, + umask: umask, + hrtime: hrtime, + platform: platform, + release: release, + config: config$2, + uptime: uptime + }; + + /* + * This module exists for optimizations in the build process through rollup and terser. We define some global + * constants, which can be overridden during build. By guarding certain pieces of code with functions that return these + * constants, we can control whether or not they appear in the final bundle. (Any code guarded by a false condition will + * never run, and will hence be dropped during treeshaking.) The two primary uses for this are stripping out calls to + * `logger` and preventing node-related code from appearing in browser bundles. + * + * Attention: + * This file should not be used to define constants/flags that are intended to be used for tree-shaking conducted by + * users. These fags should live in their respective packages, as we identified user tooling (specifically webpack) + * having issues tree-shaking these constants across package boundaries. + * An example for this is the __SENTRY_DEBUG__ constant. It is declared in each package individually because we want + * users to be able to shake away expressions that it guards. + */ + + /** + * Figures out if we're building a browser bundle. + * + * @returns true if this is a browser bundle build. + */ + function isBrowserBundle() { + return typeof __SENTRY_BROWSER_BUNDLE__ !== 'undefined' && !!__SENTRY_BROWSER_BUNDLE__; + } + + /** + * NOTE: In order to avoid circular dependencies, if you add a function to this module and it needs to print something, + * you must either a) use `console.log` rather than the logger, or b) put your function elsewhere. + */ + + /** + * Checks whether we're in the Node.js or Browser environment + * + * @returns Answer to given question + */ + function isNodeEnv() { + // explicitly check for browser bundles as those can be optimized statically + // by terser/rollup. + return ( + !isBrowserBundle() && + Object.prototype.toString.call(typeof browser$1$1 !== 'undefined' ? browser$1$1 : 0) === '[object process]' + ); + } + + /** + * Requires a module which is protected against bundler minification. + * + * @param request The module path to resolve + */ + // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-explicit-any + function dynamicRequire(mod, request) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + return mod.require(request); + } + + /** + * Helper for dynamically loading module that should work with linked dependencies. + * The problem is that we _should_ be using `require(require.resolve(moduleName, { paths: [cwd()] }))` + * However it's _not possible_ to do that with Webpack, as it has to know all the dependencies during + * build time. `require.resolve` is also not available in any other way, so we cannot create, + * a fake helper like we do with `dynamicRequire`. + * + * We always prefer to use local package, thus the value is not returned early from each `try/catch` block. + * That is to mimic the behavior of `require.resolve` exactly. + * + * @param moduleName module name to require + * @returns possibly required module + */ + function loadModule(moduleName) { + let mod; + + try { + mod = dynamicRequire(module, moduleName); + } catch (e) { + // no-empty + } + + try { + const { cwd } = dynamicRequire(module, 'process'); + mod = dynamicRequire(module, `${cwd()}/node_modules/${moduleName}`) ; + } catch (e) { + // no-empty + } + + return mod; + } + + /** + * Recursively normalizes the given object. + * + * - Creates a copy to prevent original input mutation + * - Skips non-enumerable properties + * - When stringifying, calls `toJSON` if implemented + * - Removes circular references + * - Translates non-serializable values (`undefined`/`NaN`/functions) to serializable format + * - Translates known global objects/classes to a string representations + * - Takes care of `Error` object serialization + * - Optionally limits depth of final output + * - Optionally limits number of properties/elements included in any single object/array + * + * @param input The object to be normalized. + * @param depth The max depth to which to normalize the object. (Anything deeper stringified whole.) + * @param maxProperties The max number of elements or properties to be included in any single array or + * object in the normallized output. + * @returns A normalized version of the object, or `"**non-serializable**"` if any errors are thrown during normalization. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function normalize$3(input, depth = +Infinity, maxProperties = +Infinity) { + try { + // since we're at the outermost level, we don't provide a key + return visit('', input, depth, maxProperties); + } catch (err) { + return { ERROR: `**non-serializable** (${err})` }; + } + } + + /** JSDoc */ + function normalizeToSize( + // eslint-disable-next-line @typescript-eslint/no-explicit-any + object, + // Default Node.js REPL depth + depth = 3, + // 100kB, as 200kB is max payload size, so half sounds reasonable + maxSize = 100 * 1024, + ) { + const normalized = normalize$3(object, depth); + + if (jsonSize(normalized) > maxSize) { + return normalizeToSize(object, depth - 1, maxSize); + } + + return normalized ; + } + + /** + * Visits a node to perform normalization on it + * + * @param key The key corresponding to the given node + * @param value The node to be visited + * @param depth Optional number indicating the maximum recursion depth + * @param maxProperties Optional maximum number of properties/elements included in any single object/array + * @param memo Optional Memo class handling decycling + */ + function visit( + key, + value, + depth = +Infinity, + maxProperties = +Infinity, + memo = memoBuilder(), + ) { + const [memoize, unmemoize] = memo; + + // Get the simple cases out of the way first + if (value === null || (['number', 'boolean', 'string'].includes(typeof value) && !isNaN$1(value))) { + return value ; + } + + const stringified = stringifyValue(key, value); + + // Anything we could potentially dig into more (objects or arrays) will have come back as `"[object XXXX]"`. + // Everything else will have already been serialized, so if we don't see that pattern, we're done. + if (!stringified.startsWith('[object ')) { + return stringified; + } + + // From here on, we can assert that `value` is either an object or an array. + + // Do not normalize objects that we know have already been normalized. As a general rule, the + // "__sentry_skip_normalization__" property should only be used sparingly and only should only be set on objects that + // have already been normalized. + if ((value )['__sentry_skip_normalization__']) { + return value ; + } + + // We're also done if we've reached the max depth + if (depth === 0) { + // At this point we know `serialized` is a string of the form `"[object XXXX]"`. Clean it up so it's just `"[XXXX]"`. + return stringified.replace('object ', ''); + } + + // If we've already visited this branch, bail out, as it's circular reference. If not, note that we're seeing it now. + if (memoize(value)) { + return '[Circular ~]'; + } + + // If the value has a `toJSON` method, we call it to extract more information + const valueWithToJSON = value ; + if (valueWithToJSON && typeof valueWithToJSON.toJSON === 'function') { + try { + const jsonValue = valueWithToJSON.toJSON(); + // We need to normalize the return value of `.toJSON()` in case it has circular references + return visit('', jsonValue, depth - 1, maxProperties, memo); + } catch (err) { + // pass (The built-in `toJSON` failed, but we can still try to do it ourselves) + } + } + + // At this point we know we either have an object or an array, we haven't seen it before, and we're going to recurse + // because we haven't yet reached the max depth. Create an accumulator to hold the results of visiting each + // property/entry, and keep track of the number of items we add to it. + const normalized = (Array.isArray(value) ? [] : {}) ; + let numAdded = 0; + + // Before we begin, convert`Error` and`Event` instances into plain objects, since some of each of their relevant + // properties are non-enumerable and otherwise would get missed. + const visitable = convertToPlainObject(value ); + + for (const visitKey in visitable) { + // Avoid iterating over fields in the prototype if they've somehow been exposed to enumeration. + if (!Object.prototype.hasOwnProperty.call(visitable, visitKey)) { + continue; + } + + if (numAdded >= maxProperties) { + normalized[visitKey] = '[MaxProperties ~]'; + break; + } + + // Recursively visit all the child nodes + const visitValue = visitable[visitKey]; + normalized[visitKey] = visit(visitKey, visitValue, depth - 1, maxProperties, memo); + + numAdded += 1; + } + + // Once we've visited all the branches, remove the parent from memo storage + unmemoize(value); + + // Return accumulated values + return normalized; + } + + /** + * Stringify the given value. Handles various known special values and types. + * + * Not meant to be used on simple primitives which already have a string representation, as it will, for example, turn + * the number 1231 into "[Object Number]", nor on `null`, as it will throw. + * + * @param value The value to stringify + * @returns A stringified representation of the given value + */ + function stringifyValue( + key, + // this type is a tiny bit of a cheat, since this function does handle NaN (which is technically a number), but for + // our internal use, it'll do + value, + ) { + try { + if (key === 'domain' && value && typeof value === 'object' && (value )._events) { + return '[Domain]'; + } + + if (key === 'domainEmitter') { + return '[DomainEmitter]'; + } + + // It's safe to use `global`, `window`, and `document` here in this manner, as we are asserting using `typeof` first + // which won't throw if they are not present. + + if (typeof global$1 !== 'undefined' && value === global$1) { + return '[Global]'; + } + + // eslint-disable-next-line no-restricted-globals + if (typeof window !== 'undefined' && value === window) { + return '[Window]'; + } + + // eslint-disable-next-line no-restricted-globals + if (typeof document !== 'undefined' && value === document) { + return '[Document]'; + } + + // React's SyntheticEvent thingy + if (isSyntheticEvent(value)) { + return '[SyntheticEvent]'; + } + + if (typeof value === 'number' && value !== value) { + return '[NaN]'; + } + + // this catches `undefined` (but not `null`, which is a primitive and can be serialized on its own) + if (value === void 0) { + return '[undefined]'; + } + + if (typeof value === 'function') { + return `[Function: ${getFunctionName(value)}]`; + } + + if (typeof value === 'symbol') { + return `[${String(value)}]`; + } + + // stringified BigInts are indistinguishable from regular numbers, so we need to label them to avoid confusion + if (typeof value === 'bigint') { + return `[BigInt: ${String(value)}]`; + } + + // Now that we've knocked out all the special cases and the primitives, all we have left are objects. Simply casting + // them to strings means that instances of classes which haven't defined their `toStringTag` will just come out as + // `"[object Object]"`. If we instead look at the constructor's name (which is the same as the name of the class), + // we can make sure that only plain objects come out that way. + return `[object ${(Object.getPrototypeOf(value) ).constructor.name}]`; + } catch (err) { + return `**non-serializable** (${err})`; + } + } + + /** Calculates bytes size of input string */ + function utf8Length(value) { + // eslint-disable-next-line no-bitwise + return ~-encodeURI(value).split(/%..|./).length; + } + + /** Calculates bytes size of input object */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function jsonSize(value) { + return utf8Length(JSON.stringify(value)); + } + + /* eslint-disable @typescript-eslint/explicit-function-return-type */ + + /** SyncPromise internal states */ + var States; (function (States) { + /** Pending */ + const PENDING = 0; States[States["PENDING"] = PENDING] = "PENDING"; + /** Resolved / OK */ + const RESOLVED = 1; States[States["RESOLVED"] = RESOLVED] = "RESOLVED"; + /** Rejected / Error */ + const REJECTED = 2; States[States["REJECTED"] = REJECTED] = "REJECTED"; + })(States || (States = {})); + + // Overloads so we can call resolvedSyncPromise without arguments and generic argument + + /** + * Creates a resolved sync promise. + * + * @param value the value to resolve the promise with + * @returns the resolved sync promise + */ + function resolvedSyncPromise(value) { + return new SyncPromise(resolve => { + resolve(value); + }); + } + + /** + * Creates a rejected sync promise. + * + * @param value the value to reject the promise with + * @returns the rejected sync promise + */ + function rejectedSyncPromise(reason) { + return new SyncPromise((_, reject) => { + reject(reason); + }); + } + + /** + * Thenable class that behaves like a Promise and follows it's interface + * but is not async internally + */ + class SyncPromise { + __init() {this._state = States.PENDING;} + __init2() {this._handlers = [];} + + constructor( + executor, + ) {SyncPromise.prototype.__init.call(this);SyncPromise.prototype.__init2.call(this);SyncPromise.prototype.__init3.call(this);SyncPromise.prototype.__init4.call(this);SyncPromise.prototype.__init5.call(this);SyncPromise.prototype.__init6.call(this); + try { + executor(this._resolve, this._reject); + } catch (e) { + this._reject(e); + } + } + + /** JSDoc */ + then( + onfulfilled, + onrejected, + ) { + return new SyncPromise((resolve, reject) => { + this._handlers.push([ + false, + result => { + if (!onfulfilled) { + // TODO: ¯\_(ツ)_/¯ + // TODO: FIXME + resolve(result ); + } else { + try { + resolve(onfulfilled(result)); + } catch (e) { + reject(e); + } + } + }, + reason => { + if (!onrejected) { + reject(reason); + } else { + try { + resolve(onrejected(reason)); + } catch (e) { + reject(e); + } + } + }, + ]); + this._executeHandlers(); + }); + } + + /** JSDoc */ + catch( + onrejected, + ) { + return this.then(val => val, onrejected); + } + + /** JSDoc */ + finally(onfinally) { + return new SyncPromise((resolve, reject) => { + let val; + let isRejected; + + return this.then( + value => { + isRejected = false; + val = value; + if (onfinally) { + onfinally(); + } + }, + reason => { + isRejected = true; + val = reason; + if (onfinally) { + onfinally(); + } + }, + ).then(() => { + if (isRejected) { + reject(val); + return; + } + + resolve(val ); + }); + }); + } + + /** JSDoc */ + __init3() {this._resolve = (value) => { + this._setResult(States.RESOLVED, value); + };} + + /** JSDoc */ + __init4() {this._reject = (reason) => { + this._setResult(States.REJECTED, reason); + };} + + /** JSDoc */ + __init5() {this._setResult = (state, value) => { + if (this._state !== States.PENDING) { + return; + } + + if (isThenable(value)) { + void (value ).then(this._resolve, this._reject); + return; + } + + this._state = state; + this._value = value; + + this._executeHandlers(); + };} + + /** JSDoc */ + __init6() {this._executeHandlers = () => { + if (this._state === States.PENDING) { + return; + } + + const cachedHandlers = this._handlers.slice(); + this._handlers = []; + + cachedHandlers.forEach(handler => { + if (handler[0]) { + return; + } + + if (this._state === States.RESOLVED) { + // eslint-disable-next-line @typescript-eslint/no-floating-promises + handler[1](this._value ); + } + + if (this._state === States.REJECTED) { + handler[2](this._value); + } + + handler[0] = true; + }); + };} + } + + /** + * Creates an new PromiseBuffer object with the specified limit + * @param limit max number of promises that can be stored in the buffer + */ + function makePromiseBuffer(limit) { + const buffer = []; + + function isReady() { + return limit === undefined || buffer.length < limit; + } + + /** + * Remove a promise from the queue. + * + * @param task Can be any PromiseLike + * @returns Removed promise. + */ + function remove(task) { + return buffer.splice(buffer.indexOf(task), 1)[0]; + } + + /** + * Add a promise (representing an in-flight action) to the queue, and set it to remove itself on fulfillment. + * + * @param taskProducer A function producing any PromiseLike; In previous versions this used to be `task: + * PromiseLike`, but under that model, Promises were instantly created on the call-site and their executor + * functions therefore ran immediately. Thus, even if the buffer was full, the action still happened. By + * requiring the promise to be wrapped in a function, we can defer promise creation until after the buffer + * limit check. + * @returns The original promise. + */ + function add(taskProducer) { + if (!isReady()) { + return rejectedSyncPromise(new SentryError('Not adding Promise because buffer limit was reached.')); + } + + // start the task and add its promise to the queue + const task = taskProducer(); + if (buffer.indexOf(task) === -1) { + buffer.push(task); + } + void task + .then(() => remove(task)) + // Use `then(null, rejectionHandler)` rather than `catch(rejectionHandler)` so that we can use `PromiseLike` + // rather than `Promise`. `PromiseLike` doesn't have a `.catch` method, making its polyfill smaller. (ES5 didn't + // have promises, so TS has to polyfill when down-compiling.) + .then(null, () => + remove(task).then(null, () => { + // We have to add another catch here because `remove()` starts a new promise chain. + }), + ); + return task; + } + + /** + * Wait for all promises in the queue to resolve or for timeout to expire, whichever comes first. + * + * @param timeout The time, in ms, after which to resolve to `false` if the queue is still non-empty. Passing `0` (or + * not passing anything) will make the promise wait as long as it takes for the queue to drain before resolving to + * `true`. + * @returns A promise which will resolve to `true` if the queue is already empty or drains before the timeout, and + * `false` otherwise + */ + function drain(timeout) { + return new SyncPromise((resolve, reject) => { + let counter = buffer.length; + + if (!counter) { + return resolve(true); + } + + // wait for `timeout` ms and then resolve to `false` (if not cancelled first) + const capturedSetTimeout = setTimeout(() => { + if (timeout && timeout > 0) { + resolve(false); + } + }, timeout); + + // if all promises resolve in time, cancel the timer and resolve to `true` + buffer.forEach(item => { + void resolvedSyncPromise(item).then(() => { + // eslint-disable-next-line no-plusplus + if (!--counter) { + clearTimeout(capturedSetTimeout); + resolve(true); + } + }, reject); + }); + }); + } + + return { + $: buffer, + add, + drain, + }; + } + + /** + * Parses string form of URL into an object + * // borrowed from https://tools.ietf.org/html/rfc3986#appendix-B + * // intentionally using regex and not href parsing trick because React Native and other + * // environments where DOM might not be available + * @returns parsed URL object + */ + function parseUrl(url) + + { + if (!url) { + return {}; + } + + const match = url.match(/^(([^:/?#]+):)?(\/\/([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/); + + if (!match) { + return {}; + } + + // coerce to undefined values to empty string so we don't get 'undefined' + const query = match[6] || ''; + const fragment = match[8] || ''; + return { + host: match[4], + path: match[5], + protocol: match[2], + relative: match[5] + query + fragment, // everything minus origin + }; + } + + /** + * Strip the query string and fragment off of a given URL or path (if present) + * + * @param urlPath Full URL or path, including possible query string and/or fragment + * @returns URL or path without query string or fragment + */ + function stripUrlQueryAndFragment(urlPath) { + // eslint-disable-next-line no-useless-escape + return urlPath.split(/[\?#]/, 1)[0]; + } + + /** + * Returns number of URL segments of a passed string URL. + */ + function getNumberOfUrlSegments(url) { + // split at '/' or at '\/' to split regex urls correctly + return url.split(/\\?\//).filter(s => s.length > 0 && s !== ',').length; + } + + /** + * Extracts a complete and parameterized path from the request object and uses it to construct transaction name. + * If the parameterized transaction name cannot be extracted, we fall back to the raw URL. + * + * Additionally, this function determines and returns the transaction name source + * + * eg. GET /mountpoint/user/:id + * + * @param req A request object + * @param options What to include in the transaction name (method, path, or a custom route name to be + * used instead of the request's route) + * + * @returns A tuple of the fully constructed transaction name [0] and its source [1] (can be either 'route' or 'url') + */ + function extractPathForTransaction( + req, + options = {}, + ) { + const method = req.method && req.method.toUpperCase(); + + let path = ''; + let source = 'url'; + + // Check to see if there's a parameterized route we can use (as there is in Express) + if (options.customRoute || req.route) { + path = options.customRoute || `${req.baseUrl || ''}${req.route && req.route.path}`; + source = 'route'; + } + + // Otherwise, just take the original URL + else if (req.originalUrl || req.url) { + path = stripUrlQueryAndFragment(req.originalUrl || req.url || ''); + } + + let name = ''; + if (options.method && method) { + name += method; + } + if (options.method && options.path) { + name += ' '; + } + if (options.path && path) { + name += path; + } + + return [name, source]; + } + + // Note: Ideally the `SeverityLevel` type would be derived from `validSeverityLevels`, but that would mean either + // + // a) moving `validSeverityLevels` to `@sentry/types`, + // b) moving the`SeverityLevel` type here, or + // c) importing `validSeverityLevels` from here into `@sentry/types`. + // + // Option A would make `@sentry/types` a runtime dependency of `@sentry/utils` (not good), and options B and C would + // create a circular dependency between `@sentry/types` and `@sentry/utils` (also not good). So a TODO accompanying the + // type, reminding anyone who changes it to change this list also, will have to do. + + const validSeverityLevels = ['fatal', 'error', 'warning', 'log', 'info', 'debug']; + + /** + * Converts a string-based level into a `SeverityLevel`, normalizing it along the way. + * + * @param level String representation of desired `SeverityLevel`. + * @returns The `SeverityLevel` corresponding to the given string, or 'log' if the string isn't a valid level. + */ + function severityLevelFromString(level) { + return (level === 'warn' ? 'warning' : validSeverityLevels.includes(level) ? level : 'log') ; + } + + // eslint-disable-next-line deprecation/deprecation + const WINDOW$2 = getGlobalObject(); + + /** + * An object that can return the current timestamp in seconds since the UNIX epoch. + */ + + /** + * A TimestampSource implementation for environments that do not support the Performance Web API natively. + * + * Note that this TimestampSource does not use a monotonic clock. A call to `nowSeconds` may return a timestamp earlier + * than a previously returned value. We do not try to emulate a monotonic behavior in order to facilitate debugging. It + * is more obvious to explain "why does my span have negative duration" than "why my spans have zero duration". + */ + const dateTimestampSource = { + nowSeconds: () => Date.now() / 1000, + }; + + /** + * A partial definition of the [Performance Web API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Performance} + * for accessing a high-resolution monotonic clock. + */ + + /** + * Returns a wrapper around the native Performance API browser implementation, or undefined for browsers that do not + * support the API. + * + * Wrapping the native API works around differences in behavior from different browsers. + */ + function getBrowserPerformance() { + const { performance } = WINDOW$2; + if (!performance || !performance.now) { + return undefined; + } + + // Replace performance.timeOrigin with our own timeOrigin based on Date.now(). + // + // This is a partial workaround for browsers reporting performance.timeOrigin such that performance.timeOrigin + + // performance.now() gives a date arbitrarily in the past. + // + // Additionally, computing timeOrigin in this way fills the gap for browsers where performance.timeOrigin is + // undefined. + // + // The assumption that performance.timeOrigin + performance.now() ~= Date.now() is flawed, but we depend on it to + // interact with data coming out of performance entries. + // + // Note that despite recommendations against it in the spec, browsers implement the Performance API with a clock that + // might stop when the computer is asleep (and perhaps under other circumstances). Such behavior causes + // performance.timeOrigin + performance.now() to have an arbitrary skew over Date.now(). In laptop computers, we have + // observed skews that can be as long as days, weeks or months. + // + // See https://github.com/getsentry/sentry-javascript/issues/2590. + // + // BUG: despite our best intentions, this workaround has its limitations. It mostly addresses timings of pageload + // transactions, but ignores the skew built up over time that can aversely affect timestamps of navigation + // transactions of long-lived web pages. + const timeOrigin = Date.now() - performance.now(); + + return { + now: () => performance.now(), + timeOrigin, + }; + } + + /** + * Returns the native Performance API implementation from Node.js. Returns undefined in old Node.js versions that don't + * implement the API. + */ + function getNodePerformance() { + try { + const perfHooks = dynamicRequire(module, 'perf_hooks') ; + return perfHooks.performance; + } catch (_) { + return undefined; + } + } + + /** + * The Performance API implementation for the current platform, if available. + */ + const platformPerformance = isNodeEnv() ? getNodePerformance() : getBrowserPerformance(); + + const timestampSource = + platformPerformance === undefined + ? dateTimestampSource + : { + nowSeconds: () => (platformPerformance.timeOrigin + platformPerformance.now()) / 1000, + }; + + /** + * Returns a timestamp in seconds since the UNIX epoch using the Date API. + */ + const dateTimestampInSeconds = dateTimestampSource.nowSeconds.bind(dateTimestampSource); + + /** + * Returns a timestamp in seconds since the UNIX epoch using either the Performance or Date APIs, depending on the + * availability of the Performance API. + * + * See `usingPerformanceAPI` to test whether the Performance API is used. + * + * BUG: Note that because of how browsers implement the Performance API, the clock might stop when the computer is + * asleep. This creates a skew between `dateTimestampInSeconds` and `timestampInSeconds`. The + * skew can grow to arbitrary amounts like days, weeks or months. + * See https://github.com/getsentry/sentry-javascript/issues/2590. + */ + const timestampInSeconds = timestampSource.nowSeconds.bind(timestampSource); + + // Re-exported with an old name for backwards-compatibility. + const timestampWithMs = timestampInSeconds; + + /** + * The number of milliseconds since the UNIX epoch. This value is only usable in a browser, and only when the + * performance API is available. + */ + const browserPerformanceTimeOrigin = (() => { + // Unfortunately browsers may report an inaccurate time origin data, through either performance.timeOrigin or + // performance.timing.navigationStart, which results in poor results in performance data. We only treat time origin + // data as reliable if they are within a reasonable threshold of the current time. + + const { performance } = WINDOW$2; + if (!performance || !performance.now) { + return undefined; + } + + const threshold = 3600 * 1000; + const performanceNow = performance.now(); + const dateNow = Date.now(); + + // if timeOrigin isn't available set delta to threshold so it isn't used + const timeOriginDelta = performance.timeOrigin + ? Math.abs(performance.timeOrigin + performanceNow - dateNow) + : threshold; + const timeOriginIsReliable = timeOriginDelta < threshold; + + // While performance.timing.navigationStart is deprecated in favor of performance.timeOrigin, performance.timeOrigin + // is not as widely supported. Namely, performance.timeOrigin is undefined in Safari as of writing. + // Also as of writing, performance.timing is not available in Web Workers in mainstream browsers, so it is not always + // a valid fallback. In the absence of an initial time provided by the browser, fallback to the current time from the + // Date API. + // eslint-disable-next-line deprecation/deprecation + const navigationStart = performance.timing && performance.timing.navigationStart; + const hasNavigationStart = typeof navigationStart === 'number'; + // if navigationStart isn't available set delta to threshold so it isn't used + const navigationStartDelta = hasNavigationStart ? Math.abs(navigationStart + performanceNow - dateNow) : threshold; + const navigationStartIsReliable = navigationStartDelta < threshold; + + if (timeOriginIsReliable || navigationStartIsReliable) { + // Use the more reliable time origin + if (timeOriginDelta <= navigationStartDelta) { + return performance.timeOrigin; + } else { + return navigationStart; + } + } + return dateNow; + })(); + + const TRACEPARENT_REGEXP = new RegExp( + '^[ \\t]*' + // whitespace + '([0-9a-f]{32})?' + // trace_id + '-?([0-9a-f]{16})?' + // span_id + '-?([01])?' + // sampled + '[ \\t]*$', // whitespace + ); + + /** + * Extract transaction context data from a `sentry-trace` header. + * + * @param traceparent Traceparent string + * + * @returns Object containing data from the header, or undefined if traceparent string is malformed + */ + function extractTraceparentData(traceparent) { + const matches = traceparent.match(TRACEPARENT_REGEXP); + + if (!traceparent || !matches) { + // empty string or no matches is invalid traceparent data + return undefined; + } + + let parentSampled; + if (matches[3] === '1') { + parentSampled = true; + } else if (matches[3] === '0') { + parentSampled = false; + } + + return { + traceId: matches[1], + parentSampled, + parentSpanId: matches[2], + }; + } + + /** + * Creates an envelope. + * Make sure to always explicitly provide the generic to this function + * so that the envelope types resolve correctly. + */ + function createEnvelope(headers, items = []) { + return [headers, items] ; + } + + /** + * Add an item to an envelope. + * Make sure to always explicitly provide the generic to this function + * so that the envelope types resolve correctly. + */ + function addItemToEnvelope(envelope, newItem) { + const [headers, items] = envelope; + return [headers, [...items, newItem]] ; + } + + /** + * Convenience function to loop through the items and item types of an envelope. + * (This function was mostly created because working with envelope types is painful at the moment) + */ + function forEachEnvelopeItem( + envelope, + callback, + ) { + const envelopeItems = envelope[1]; + envelopeItems.forEach((envelopeItem) => { + const envelopeItemType = envelopeItem[0].type; + callback(envelopeItem, envelopeItemType); + }); + } + + function encodeUTF8(input, textEncoder) { + const utf8 = textEncoder || new TextEncoder(); + return utf8.encode(input); + } + + /** + * Serializes an envelope. + */ + function serializeEnvelope(envelope, textEncoder) { + const [envHeaders, items] = envelope; + + // Initially we construct our envelope as a string and only convert to binary chunks if we encounter binary data + let parts = JSON.stringify(envHeaders); + + function append(next) { + if (typeof parts === 'string') { + parts = typeof next === 'string' ? parts + next : [encodeUTF8(parts, textEncoder), next]; + } else { + parts.push(typeof next === 'string' ? encodeUTF8(next, textEncoder) : next); + } + } + + for (const item of items) { + const [itemHeaders, payload] = item; + + append(`\n${JSON.stringify(itemHeaders)}\n`); + + if (typeof payload === 'string' || payload instanceof Uint8Array) { + append(payload); + } else { + let stringifiedPayload; + try { + stringifiedPayload = JSON.stringify(payload); + } catch (e) { + // In case, despite all our efforts to keep `payload` circular-dependency-free, `JSON.strinify()` still + // fails, we try again after normalizing it again with infinite normalization depth. This of course has a + // performance impact but in this case a performance hit is better than throwing. + stringifiedPayload = JSON.stringify(normalize$3(payload)); + } + append(stringifiedPayload); + } + } + + return typeof parts === 'string' ? parts : concatBuffers(parts); + } + + function concatBuffers(buffers) { + const totalLength = buffers.reduce((acc, buf) => acc + buf.length, 0); + + const merged = new Uint8Array(totalLength); + let offset = 0; + for (const buffer of buffers) { + merged.set(buffer, offset); + offset += buffer.length; + } + + return merged; + } + + /** + * Creates attachment envelope items + */ + function createAttachmentEnvelopeItem( + attachment, + textEncoder, + ) { + const buffer = typeof attachment.data === 'string' ? encodeUTF8(attachment.data, textEncoder) : attachment.data; + + return [ + dropUndefinedKeys({ + type: 'attachment', + length: buffer.length, + filename: attachment.filename, + content_type: attachment.contentType, + attachment_type: attachment.attachmentType, + }), + buffer, + ]; + } + + const ITEM_TYPE_TO_DATA_CATEGORY_MAP = { + session: 'session', + sessions: 'session', + attachment: 'attachment', + transaction: 'transaction', + event: 'error', + client_report: 'internal', + user_report: 'default', + }; + + /** + * Maps the type of an envelope item to a data category. + */ + function envelopeItemTypeToDataCategory(type) { + return ITEM_TYPE_TO_DATA_CATEGORY_MAP[type]; + } + + /** + * Creates client report envelope + * @param discarded_events An array of discard events + * @param dsn A DSN that can be set on the header. Optional. + */ + function createClientReportEnvelope( + discarded_events, + dsn, + timestamp, + ) { + const clientReportItem = [ + { type: 'client_report' }, + { + timestamp: timestamp || dateTimestampInSeconds(), + discarded_events, + }, + ]; + return createEnvelope(dsn ? { dsn } : {}, [clientReportItem]); + } + + // Intentionally keeping the key broad, as we don't know for sure what rate limit headers get returned from backend + + const DEFAULT_RETRY_AFTER = 60 * 1000; // 60 seconds + + /** + * Extracts Retry-After value from the request header or returns default value + * @param header string representation of 'Retry-After' header + * @param now current unix timestamp + * + */ + function parseRetryAfterHeader(header, now = Date.now()) { + const headerDelay = parseInt(`${header}`, 10); + if (!isNaN(headerDelay)) { + return headerDelay * 1000; + } + + const headerDate = Date.parse(`${header}`); + if (!isNaN(headerDate)) { + return headerDate - now; + } + + return DEFAULT_RETRY_AFTER; + } + + /** + * Gets the time that given category is disabled until for rate limiting + */ + function disabledUntil(limits, category) { + return limits[category] || limits.all || 0; + } + + /** + * Checks if a category is rate limited + */ + function isRateLimited(limits, category, now = Date.now()) { + return disabledUntil(limits, category) > now; + } + + /** + * Update ratelimits from incoming headers. + * Returns true if headers contains a non-empty rate limiting header. + */ + function updateRateLimits( + limits, + { statusCode, headers }, + now = Date.now(), + ) { + const updatedRateLimits = { + ...limits, + }; + + // "The name is case-insensitive." + // https://developer.mozilla.org/en-US/docs/Web/API/Headers/get + const rateLimitHeader = headers && headers['x-sentry-rate-limits']; + const retryAfterHeader = headers && headers['retry-after']; + + if (rateLimitHeader) { + /** + * rate limit headers are of the form + *
,
,.. + * where each
is of the form + * : : : + * where + * is a delay in seconds + * is the event type(s) (error, transaction, etc) being rate limited and is of the form + * ;;... + * is what's being limited (org, project, or key) - ignored by SDK + * is an arbitrary string like "org_quota" - ignored by SDK + */ + for (const limit of rateLimitHeader.trim().split(',')) { + const [retryAfter, categories] = limit.split(':', 2); + const headerDelay = parseInt(retryAfter, 10); + const delay = (!isNaN(headerDelay) ? headerDelay : 60) * 1000; // 60sec default + if (!categories) { + updatedRateLimits.all = now + delay; + } else { + for (const category of categories.split(';')) { + updatedRateLimits[category] = now + delay; + } + } + } + } else if (retryAfterHeader) { + updatedRateLimits.all = now + parseRetryAfterHeader(retryAfterHeader, now); + } else if (statusCode === 429) { + updatedRateLimits.all = now + 60 * 1000; + } + + return updatedRateLimits; + } + + const BAGGAGE_HEADER_NAME = 'baggage'; + + const SENTRY_BAGGAGE_KEY_PREFIX = 'sentry-'; + + const SENTRY_BAGGAGE_KEY_PREFIX_REGEX = /^sentry-/; + + /** + * Max length of a serialized baggage string + * + * https://www.w3.org/TR/baggage/#limits + */ + const MAX_BAGGAGE_STRING_LENGTH = 8192; + + /** + * Takes a baggage header and turns it into Dynamic Sampling Context, by extracting all the "sentry-" prefixed values + * from it. + * + * @param baggageHeader A very bread definition of a baggage header as it might appear in various frameworks. + * @returns The Dynamic Sampling Context that was found on `baggageHeader`, if there was any, `undefined` otherwise. + */ + function baggageHeaderToDynamicSamplingContext( + // Very liberal definition of what any incoming header might look like + baggageHeader, + ) { + if (!isString$2(baggageHeader) && !Array.isArray(baggageHeader)) { + return undefined; + } + + // Intermediary object to store baggage key value pairs of incoming baggage headers on. + // It is later used to read Sentry-DSC-values from. + let baggageObject = {}; + + if (Array.isArray(baggageHeader)) { + // Combine all baggage headers into one object containing the baggage values so we can later read the Sentry-DSC-values from it + baggageObject = baggageHeader.reduce((acc, curr) => { + const currBaggageObject = baggageHeaderToObject(curr); + return { + ...acc, + ...currBaggageObject, + }; + }, {}); + } else { + // Return undefined if baggage header is an empty string (technically an empty baggage header is not spec conform but + // this is how we choose to handle it) + if (!baggageHeader) { + return undefined; + } + + baggageObject = baggageHeaderToObject(baggageHeader); + } + + // Read all "sentry-" prefixed values out of the baggage object and put it onto a dynamic sampling context object. + const dynamicSamplingContext = Object.entries(baggageObject).reduce((acc, [key, value]) => { + if (key.match(SENTRY_BAGGAGE_KEY_PREFIX_REGEX)) { + const nonPrefixedKey = key.slice(SENTRY_BAGGAGE_KEY_PREFIX.length); + acc[nonPrefixedKey] = value; + } + return acc; + }, {}); + + // Only return a dynamic sampling context object if there are keys in it. + // A keyless object means there were no sentry values on the header, which means that there is no DSC. + if (Object.keys(dynamicSamplingContext).length > 0) { + return dynamicSamplingContext ; + } else { + return undefined; + } + } + + /** + * Turns a Dynamic Sampling Object into a baggage header by prefixing all the keys on the object with "sentry-". + * + * @param dynamicSamplingContext The Dynamic Sampling Context to turn into a header. For convenience and compatibility + * with the `getDynamicSamplingContext` method on the Transaction class ,this argument can also be `undefined`. If it is + * `undefined` the function will return `undefined`. + * @returns a baggage header, created from `dynamicSamplingContext`, or `undefined` either if `dynamicSamplingContext` + * was `undefined`, or if `dynamicSamplingContext` didn't contain any values. + */ + function dynamicSamplingContextToSentryBaggageHeader( + // this also takes undefined for convenience and bundle size in other places + dynamicSamplingContext, + ) { + // Prefix all DSC keys with "sentry-" and put them into a new object + const sentryPrefixedDSC = Object.entries(dynamicSamplingContext).reduce( + (acc, [dscKey, dscValue]) => { + if (dscValue) { + acc[`${SENTRY_BAGGAGE_KEY_PREFIX}${dscKey}`] = dscValue; + } + return acc; + }, + {}, + ); + + return objectToBaggageHeader(sentryPrefixedDSC); + } + + /** + * Will parse a baggage header, which is a simple key-value map, into a flat object. + * + * @param baggageHeader The baggage header to parse. + * @returns a flat object containing all the key-value pairs from `baggageHeader`. + */ + function baggageHeaderToObject(baggageHeader) { + return baggageHeader + .split(',') + .map(baggageEntry => baggageEntry.split('=').map(keyOrValue => decodeURIComponent(keyOrValue.trim()))) + .reduce((acc, [key, value]) => { + acc[key] = value; + return acc; + }, {}); + } + + /** + * Turns a flat object (key-value pairs) into a baggage header, which is also just key-value pairs. + * + * @param object The object to turn into a baggage header. + * @returns a baggage header string, or `undefined` if the object didn't have any values, since an empty baggage header + * is not spec compliant. + */ + function objectToBaggageHeader(object) { + if (Object.keys(object).length === 0) { + // An empty baggage header is not spec compliant: We return undefined. + return undefined; + } + + return Object.entries(object).reduce((baggageHeader, [objectKey, objectValue], currentIndex) => { + const baggageEntry = `${encodeURIComponent(objectKey)}=${encodeURIComponent(objectValue)}`; + const newBaggageHeader = currentIndex === 0 ? baggageEntry : `${baggageHeader},${baggageEntry}`; + if (newBaggageHeader.length > MAX_BAGGAGE_STRING_LENGTH) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn( + `Not adding key: ${objectKey} with val: ${objectValue} to baggage header due to exceeding baggage size limits.`, + ); + return baggageHeader; + } else { + return newBaggageHeader; + } + }, ''); + } + + /** + * Creates a new `Session` object by setting certain default parameters. If optional @param context + * is passed, the passed properties are applied to the session object. + * + * @param context (optional) additional properties to be applied to the returned session object + * + * @returns a new `Session` object + */ + function makeSession(context) { + // Both timestamp and started are in seconds since the UNIX epoch. + const startingTime = timestampInSeconds(); + + const session = { + sid: uuid4(), + init: true, + timestamp: startingTime, + started: startingTime, + duration: 0, + status: 'ok', + errors: 0, + ignoreDuration: false, + toJSON: () => sessionToJSON(session), + }; + + if (context) { + updateSession(session, context); + } + + return session; + } + + /** + * Updates a session object with the properties passed in the context. + * + * Note that this function mutates the passed object and returns void. + * (Had to do this instead of returning a new and updated session because closing and sending a session + * makes an update to the session after it was passed to the sending logic. + * @see BaseClient.captureSession ) + * + * @param session the `Session` to update + * @param context the `SessionContext` holding the properties that should be updated in @param session + */ + // eslint-disable-next-line complexity + function updateSession(session, context = {}) { + if (context.user) { + if (!session.ipAddress && context.user.ip_address) { + session.ipAddress = context.user.ip_address; + } + + if (!session.did && !context.did) { + session.did = context.user.id || context.user.email || context.user.username; + } + } + + session.timestamp = context.timestamp || timestampInSeconds(); + + if (context.ignoreDuration) { + session.ignoreDuration = context.ignoreDuration; + } + if (context.sid) { + // Good enough uuid validation. — Kamil + session.sid = context.sid.length === 32 ? context.sid : uuid4(); + } + if (context.init !== undefined) { + session.init = context.init; + } + if (!session.did && context.did) { + session.did = `${context.did}`; + } + if (typeof context.started === 'number') { + session.started = context.started; + } + if (session.ignoreDuration) { + session.duration = undefined; + } else if (typeof context.duration === 'number') { + session.duration = context.duration; + } else { + const duration = session.timestamp - session.started; + session.duration = duration >= 0 ? duration : 0; + } + if (context.release) { + session.release = context.release; + } + if (context.environment) { + session.environment = context.environment; + } + if (!session.ipAddress && context.ipAddress) { + session.ipAddress = context.ipAddress; + } + if (!session.userAgent && context.userAgent) { + session.userAgent = context.userAgent; + } + if (typeof context.errors === 'number') { + session.errors = context.errors; + } + if (context.status) { + session.status = context.status; + } + } + + /** + * Closes a session by setting its status and updating the session object with it. + * Internally calls `updateSession` to update the passed session object. + * + * Note that this function mutates the passed session (@see updateSession for explanation). + * + * @param session the `Session` object to be closed + * @param status the `SessionStatus` with which the session was closed. If you don't pass a status, + * this function will keep the previously set status, unless it was `'ok'` in which case + * it is changed to `'exited'`. + */ + function closeSession(session, status) { + let context = {}; + if (status) { + context = { status }; + } else if (session.status === 'ok') { + context = { status: 'exited' }; + } + + updateSession(session, context); + } + + /** + * Serializes a passed session object to a JSON object with a slightly different structure. + * This is necessary because the Sentry backend requires a slightly different schema of a session + * than the one the JS SDKs use internally. + * + * @param session the session to be converted + * + * @returns a JSON object of the passed session + */ + function sessionToJSON(session) { + return dropUndefinedKeys({ + sid: `${session.sid}`, + init: session.init, + // Make sure that sec is converted to ms for date constructor + started: new Date(session.started * 1000).toISOString(), + timestamp: new Date(session.timestamp * 1000).toISOString(), + status: session.status, + errors: session.errors, + did: typeof session.did === 'number' || typeof session.did === 'string' ? `${session.did}` : undefined, + duration: session.duration, + attrs: { + release: session.release, + environment: session.environment, + ip_address: session.ipAddress, + user_agent: session.userAgent, + }, + }); + } + + /** + * Default value for maximum number of breadcrumbs added to an event. + */ + const DEFAULT_MAX_BREADCRUMBS = 100; + + /** + * Holds additional event information. {@link Scope.applyToEvent} will be + * called by the client before an event will be sent. + */ + class Scope { + /** Flag if notifying is happening. */ + + /** Callback for client to receive scope changes. */ + + /** Callback list that will be called after {@link applyToEvent}. */ + + /** Array of breadcrumbs. */ + + /** User */ + + /** Tags */ + + /** Extra */ + + /** Contexts */ + + /** Attachments */ + + /** + * A place to stash data which is needed at some point in the SDK's event processing pipeline but which shouldn't get + * sent to Sentry + */ + + /** Fingerprint */ + + /** Severity */ + // eslint-disable-next-line deprecation/deprecation + + /** Transaction Name */ + + /** Span */ + + /** Session */ + + /** Request Mode Session Status */ + + constructor() { + this._notifyingListeners = false; + this._scopeListeners = []; + this._eventProcessors = []; + this._breadcrumbs = []; + this._attachments = []; + this._user = {}; + this._tags = {}; + this._extra = {}; + this._contexts = {}; + this._sdkProcessingMetadata = {}; + } + + /** + * Inherit values from the parent scope. + * @param scope to clone. + */ + static clone(scope) { + const newScope = new Scope(); + if (scope) { + newScope._breadcrumbs = [...scope._breadcrumbs]; + newScope._tags = { ...scope._tags }; + newScope._extra = { ...scope._extra }; + newScope._contexts = { ...scope._contexts }; + newScope._user = scope._user; + newScope._level = scope._level; + newScope._span = scope._span; + newScope._session = scope._session; + newScope._transactionName = scope._transactionName; + newScope._fingerprint = scope._fingerprint; + newScope._eventProcessors = [...scope._eventProcessors]; + newScope._requestSession = scope._requestSession; + newScope._attachments = [...scope._attachments]; + } + return newScope; + } + + /** + * Add internal on change listener. Used for sub SDKs that need to store the scope. + * @hidden + */ + addScopeListener(callback) { + this._scopeListeners.push(callback); + } + + /** + * @inheritDoc + */ + addEventProcessor(callback) { + this._eventProcessors.push(callback); + return this; + } + + /** + * @inheritDoc + */ + setUser(user) { + this._user = user || {}; + if (this._session) { + updateSession(this._session, { user }); + } + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + getUser() { + return this._user; + } + + /** + * @inheritDoc + */ + getRequestSession() { + return this._requestSession; + } + + /** + * @inheritDoc + */ + setRequestSession(requestSession) { + this._requestSession = requestSession; + return this; + } + + /** + * @inheritDoc + */ + setTags(tags) { + this._tags = { + ...this._tags, + ...tags, + }; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setTag(key, value) { + this._tags = { ...this._tags, [key]: value }; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setExtras(extras) { + this._extra = { + ...this._extra, + ...extras, + }; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setExtra(key, extra) { + this._extra = { ...this._extra, [key]: extra }; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setFingerprint(fingerprint) { + this._fingerprint = fingerprint; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setLevel( + // eslint-disable-next-line deprecation/deprecation + level, + ) { + this._level = level; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setTransactionName(name) { + this._transactionName = name; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setContext(key, context) { + if (context === null) { + // eslint-disable-next-line @typescript-eslint/no-dynamic-delete + delete this._contexts[key]; + } else { + this._contexts[key] = context; + } + + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + setSpan(span) { + this._span = span; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + getSpan() { + return this._span; + } + + /** + * @inheritDoc + */ + getTransaction() { + // Often, this span (if it exists at all) will be a transaction, but it's not guaranteed to be. Regardless, it will + // have a pointer to the currently-active transaction. + const span = this.getSpan(); + return span && span.transaction; + } + + /** + * @inheritDoc + */ + setSession(session) { + if (!session) { + delete this._session; + } else { + this._session = session; + } + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + getSession() { + return this._session; + } + + /** + * @inheritDoc + */ + update(captureContext) { + if (!captureContext) { + return this; + } + + if (typeof captureContext === 'function') { + const updatedScope = (captureContext )(this); + return updatedScope instanceof Scope ? updatedScope : this; + } + + if (captureContext instanceof Scope) { + this._tags = { ...this._tags, ...captureContext._tags }; + this._extra = { ...this._extra, ...captureContext._extra }; + this._contexts = { ...this._contexts, ...captureContext._contexts }; + if (captureContext._user && Object.keys(captureContext._user).length) { + this._user = captureContext._user; + } + if (captureContext._level) { + this._level = captureContext._level; + } + if (captureContext._fingerprint) { + this._fingerprint = captureContext._fingerprint; + } + if (captureContext._requestSession) { + this._requestSession = captureContext._requestSession; + } + } else if (isPlainObject$1(captureContext)) { + // eslint-disable-next-line no-param-reassign + captureContext = captureContext ; + this._tags = { ...this._tags, ...captureContext.tags }; + this._extra = { ...this._extra, ...captureContext.extra }; + this._contexts = { ...this._contexts, ...captureContext.contexts }; + if (captureContext.user) { + this._user = captureContext.user; + } + if (captureContext.level) { + this._level = captureContext.level; + } + if (captureContext.fingerprint) { + this._fingerprint = captureContext.fingerprint; + } + if (captureContext.requestSession) { + this._requestSession = captureContext.requestSession; + } + } + + return this; + } + + /** + * @inheritDoc + */ + clear() { + this._breadcrumbs = []; + this._tags = {}; + this._extra = {}; + this._user = {}; + this._contexts = {}; + this._level = undefined; + this._transactionName = undefined; + this._fingerprint = undefined; + this._requestSession = undefined; + this._span = undefined; + this._session = undefined; + this._notifyScopeListeners(); + this._attachments = []; + return this; + } + + /** + * @inheritDoc + */ + addBreadcrumb(breadcrumb, maxBreadcrumbs) { + const maxCrumbs = typeof maxBreadcrumbs === 'number' ? maxBreadcrumbs : DEFAULT_MAX_BREADCRUMBS; + + // No data has been changed, so don't notify scope listeners + if (maxCrumbs <= 0) { + return this; + } + + const mergedBreadcrumb = { + timestamp: dateTimestampInSeconds(), + ...breadcrumb, + }; + this._breadcrumbs = [...this._breadcrumbs, mergedBreadcrumb].slice(-maxCrumbs); + this._notifyScopeListeners(); + + return this; + } + + /** + * @inheritDoc + */ + clearBreadcrumbs() { + this._breadcrumbs = []; + this._notifyScopeListeners(); + return this; + } + + /** + * @inheritDoc + */ + addAttachment(attachment) { + this._attachments.push(attachment); + return this; + } + + /** + * @inheritDoc + */ + getAttachments() { + return this._attachments; + } + + /** + * @inheritDoc + */ + clearAttachments() { + this._attachments = []; + return this; + } + + /** + * Applies data from the scope to the event and runs all event processors on it. + * + * @param event Event + * @param hint Object containing additional information about the original exception, for use by the event processors. + * @hidden + */ + applyToEvent(event, hint = {}) { + if (this._extra && Object.keys(this._extra).length) { + event.extra = { ...this._extra, ...event.extra }; + } + if (this._tags && Object.keys(this._tags).length) { + event.tags = { ...this._tags, ...event.tags }; + } + if (this._user && Object.keys(this._user).length) { + event.user = { ...this._user, ...event.user }; + } + if (this._contexts && Object.keys(this._contexts).length) { + event.contexts = { ...this._contexts, ...event.contexts }; + } + if (this._level) { + event.level = this._level; + } + if (this._transactionName) { + event.transaction = this._transactionName; + } + + // We want to set the trace context for normal events only if there isn't already + // a trace context on the event. There is a product feature in place where we link + // errors with transaction and it relies on that. + if (this._span) { + event.contexts = { trace: this._span.getTraceContext(), ...event.contexts }; + const transactionName = this._span.transaction && this._span.transaction.name; + if (transactionName) { + event.tags = { transaction: transactionName, ...event.tags }; + } + } + + this._applyFingerprint(event); + + event.breadcrumbs = [...(event.breadcrumbs || []), ...this._breadcrumbs]; + event.breadcrumbs = event.breadcrumbs.length > 0 ? event.breadcrumbs : undefined; + + event.sdkProcessingMetadata = { ...event.sdkProcessingMetadata, ...this._sdkProcessingMetadata }; + + return this._notifyEventProcessors([...getGlobalEventProcessors(), ...this._eventProcessors], event, hint); + } + + /** + * Add data which will be accessible during event processing but won't get sent to Sentry + */ + setSDKProcessingMetadata(newData) { + this._sdkProcessingMetadata = { ...this._sdkProcessingMetadata, ...newData }; + + return this; + } + + /** + * This will be called after {@link applyToEvent} is finished. + */ + _notifyEventProcessors( + processors, + event, + hint, + index = 0, + ) { + return new SyncPromise((resolve, reject) => { + const processor = processors[index]; + if (event === null || typeof processor !== 'function') { + resolve(event); + } else { + const result = processor({ ...event }, hint) ; + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + processor.id && + result === null && + logger.log(`Event processor "${processor.id}" dropped event`); + + if (isThenable(result)) { + void result + .then(final => this._notifyEventProcessors(processors, final, hint, index + 1).then(resolve)) + .then(null, reject); + } else { + void this._notifyEventProcessors(processors, result, hint, index + 1) + .then(resolve) + .then(null, reject); + } + } + }); + } + + /** + * This will be called on every set call. + */ + _notifyScopeListeners() { + // We need this check for this._notifyingListeners to be able to work on scope during updates + // If this check is not here we'll produce endless recursion when something is done with the scope + // during the callback. + if (!this._notifyingListeners) { + this._notifyingListeners = true; + this._scopeListeners.forEach(callback => { + callback(this); + }); + this._notifyingListeners = false; + } + } + + /** + * Applies fingerprint from the scope to the event if there's one, + * uses message if there's one instead or get rid of empty fingerprint + */ + _applyFingerprint(event) { + // Make sure it's an array first and we actually have something in place + event.fingerprint = event.fingerprint ? arrayify(event.fingerprint) : []; + + // If we have something on the scope, then merge it with event + if (this._fingerprint) { + event.fingerprint = event.fingerprint.concat(this._fingerprint); + } + + // If we have no data at all, remove empty array default + if (event.fingerprint && !event.fingerprint.length) { + delete event.fingerprint; + } + } + } + + /** + * Returns the global event processors. + */ + function getGlobalEventProcessors() { + return getGlobalSingleton('globalEventProcessors', () => []); + } + + /** + * Add a EventProcessor to be kept globally. + * @param callback EventProcessor to add + */ + function addGlobalEventProcessor(callback) { + getGlobalEventProcessors().push(callback); + } + + /** + * API compatibility version of this hub. + * + * WARNING: This number should only be increased when the global interface + * changes and new methods are introduced. + * + * @hidden + */ + const API_VERSION = 4; + + /** + * Default maximum number of breadcrumbs added to an event. Can be overwritten + * with {@link Options.maxBreadcrumbs}. + */ + const DEFAULT_BREADCRUMBS = 100; + + /** + * A layer in the process stack. + * @hidden + */ + + /** + * @inheritDoc + */ + class Hub { + /** Is a {@link Layer}[] containing the client and scope */ + __init() {this._stack = [{}];} + + /** Contains the last event id of a captured event. */ + + /** + * Creates a new instance of the hub, will push one {@link Layer} into the + * internal stack on creation. + * + * @param client bound to the hub. + * @param scope bound to the hub. + * @param version number, higher number means higher priority. + */ + constructor(client, scope = new Scope(), _version = API_VERSION) {this._version = _version;Hub.prototype.__init.call(this); + this.getStackTop().scope = scope; + if (client) { + this.bindClient(client); + } + } + + /** + * @inheritDoc + */ + isOlderThan(version) { + return this._version < version; + } + + /** + * @inheritDoc + */ + bindClient(client) { + const top = this.getStackTop(); + top.client = client; + if (client && client.setupIntegrations) { + client.setupIntegrations(); + } + } + + /** + * @inheritDoc + */ + pushScope() { + // We want to clone the content of prev scope + const scope = Scope.clone(this.getScope()); + this.getStack().push({ + client: this.getClient(), + scope, + }); + return scope; + } + + /** + * @inheritDoc + */ + popScope() { + if (this.getStack().length <= 1) return false; + return !!this.getStack().pop(); + } + + /** + * @inheritDoc + */ + withScope(callback) { + const scope = this.pushScope(); + try { + callback(scope); + } finally { + this.popScope(); + } + } + + /** + * @inheritDoc + */ + getClient() { + return this.getStackTop().client ; + } + + /** Returns the scope of the top stack. */ + getScope() { + return this.getStackTop().scope; + } + + /** Returns the scope stack for domains or the process. */ + getStack() { + return this._stack; + } + + /** Returns the topmost scope layer in the order domain > local > process. */ + getStackTop() { + return this._stack[this._stack.length - 1]; + } + + /** + * @inheritDoc + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types + captureException(exception, hint) { + const eventId = (this._lastEventId = hint && hint.event_id ? hint.event_id : uuid4()); + const syntheticException = new Error('Sentry syntheticException'); + this._withClient((client, scope) => { + client.captureException( + exception, + { + originalException: exception, + syntheticException, + ...hint, + event_id: eventId, + }, + scope, + ); + }); + return eventId; + } + + /** + * @inheritDoc + */ + captureMessage( + message, + // eslint-disable-next-line deprecation/deprecation + level, + hint, + ) { + const eventId = (this._lastEventId = hint && hint.event_id ? hint.event_id : uuid4()); + const syntheticException = new Error(message); + this._withClient((client, scope) => { + client.captureMessage( + message, + level, + { + originalException: message, + syntheticException, + ...hint, + event_id: eventId, + }, + scope, + ); + }); + return eventId; + } + + /** + * @inheritDoc + */ + captureEvent(event, hint) { + const eventId = hint && hint.event_id ? hint.event_id : uuid4(); + if (event.type !== 'transaction') { + this._lastEventId = eventId; + } + + this._withClient((client, scope) => { + client.captureEvent(event, { ...hint, event_id: eventId }, scope); + }); + return eventId; + } + + /** + * @inheritDoc + */ + lastEventId() { + return this._lastEventId; + } + + /** + * @inheritDoc + */ + addBreadcrumb(breadcrumb, hint) { + const { scope, client } = this.getStackTop(); + + if (!scope || !client) return; + + // eslint-disable-next-line @typescript-eslint/unbound-method + const { beforeBreadcrumb = null, maxBreadcrumbs = DEFAULT_BREADCRUMBS } = + (client.getOptions && client.getOptions()) || {}; + + if (maxBreadcrumbs <= 0) return; + + const timestamp = dateTimestampInSeconds(); + const mergedBreadcrumb = { timestamp, ...breadcrumb }; + const finalBreadcrumb = beforeBreadcrumb + ? (consoleSandbox(() => beforeBreadcrumb(mergedBreadcrumb, hint)) ) + : mergedBreadcrumb; + + if (finalBreadcrumb === null) return; + + scope.addBreadcrumb(finalBreadcrumb, maxBreadcrumbs); + } + + /** + * @inheritDoc + */ + setUser(user) { + const scope = this.getScope(); + if (scope) scope.setUser(user); + } + + /** + * @inheritDoc + */ + setTags(tags) { + const scope = this.getScope(); + if (scope) scope.setTags(tags); + } + + /** + * @inheritDoc + */ + setExtras(extras) { + const scope = this.getScope(); + if (scope) scope.setExtras(extras); + } + + /** + * @inheritDoc + */ + setTag(key, value) { + const scope = this.getScope(); + if (scope) scope.setTag(key, value); + } + + /** + * @inheritDoc + */ + setExtra(key, extra) { + const scope = this.getScope(); + if (scope) scope.setExtra(key, extra); + } + + /** + * @inheritDoc + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + setContext(name, context) { + const scope = this.getScope(); + if (scope) scope.setContext(name, context); + } + + /** + * @inheritDoc + */ + configureScope(callback) { + const { scope, client } = this.getStackTop(); + if (scope && client) { + callback(scope); + } + } + + /** + * @inheritDoc + */ + run(callback) { + const oldHub = makeMain(this); + try { + callback(this); + } finally { + makeMain(oldHub); + } + } + + /** + * @inheritDoc + */ + getIntegration(integration) { + const client = this.getClient(); + if (!client) return null; + try { + return client.getIntegration(integration); + } catch (_oO) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn(`Cannot retrieve integration ${integration.id} from the current Hub`); + return null; + } + } + + /** + * @inheritDoc + */ + startTransaction(context, customSamplingContext) { + return this._callExtensionMethod('startTransaction', context, customSamplingContext); + } + + /** + * @inheritDoc + */ + traceHeaders() { + return this._callExtensionMethod('traceHeaders'); + } + + /** + * @inheritDoc + */ + captureSession(endSession = false) { + // both send the update and pull the session from the scope + if (endSession) { + return this.endSession(); + } + + // only send the update + this._sendSessionUpdate(); + } + + /** + * @inheritDoc + */ + endSession() { + const layer = this.getStackTop(); + const scope = layer && layer.scope; + const session = scope && scope.getSession(); + if (session) { + closeSession(session); + } + this._sendSessionUpdate(); + + // the session is over; take it off of the scope + if (scope) { + scope.setSession(); + } + } + + /** + * @inheritDoc + */ + startSession(context) { + const { scope, client } = this.getStackTop(); + const { release, environment } = (client && client.getOptions()) || {}; + + // Will fetch userAgent if called from browser sdk + const { userAgent } = GLOBAL_OBJ.navigator || {}; + + const session = makeSession({ + release, + environment, + ...(scope && { user: scope.getUser() }), + ...(userAgent && { userAgent }), + ...context, + }); + + if (scope) { + // End existing session if there's one + const currentSession = scope.getSession && scope.getSession(); + if (currentSession && currentSession.status === 'ok') { + updateSession(currentSession, { status: 'exited' }); + } + this.endSession(); + + // Afterwards we set the new session on the scope + scope.setSession(session); + } + + return session; + } + + /** + * Returns if default PII should be sent to Sentry and propagated in ourgoing requests + * when Tracing is used. + */ + shouldSendDefaultPii() { + const client = this.getClient(); + const options = client && client.getOptions(); + return Boolean(options && options.sendDefaultPii); + } + + /** + * Sends the current Session on the scope + */ + _sendSessionUpdate() { + const { scope, client } = this.getStackTop(); + if (!scope) return; + + const session = scope.getSession(); + if (session) { + if (client && client.captureSession) { + client.captureSession(session); + } + } + } + + /** + * Internal helper function to call a method on the top client if it exists. + * + * @param method The method to call on the client. + * @param args Arguments to pass to the client function. + */ + _withClient(callback) { + const { scope, client } = this.getStackTop(); + if (client) { + callback(client, scope); + } + } + + /** + * Calls global extension method and binding current instance to the function call + */ + // @ts-ignore Function lacks ending return statement and return type does not include 'undefined'. ts(2366) + // eslint-disable-next-line @typescript-eslint/no-explicit-any + _callExtensionMethod(method, ...args) { + const carrier = getMainCarrier(); + const sentry = carrier.__SENTRY__; + if (sentry && sentry.extensions && typeof sentry.extensions[method] === 'function') { + return sentry.extensions[method].apply(this, args); + } + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn(`Extension method ${method} couldn't be found, doing nothing.`); + } + } + + /** + * Returns the global shim registry. + * + * FIXME: This function is problematic, because despite always returning a valid Carrier, + * it has an optional `__SENTRY__` property, which then in turn requires us to always perform an unnecessary check + * at the call-site. We always access the carrier through this function, so we can guarantee that `__SENTRY__` is there. + **/ + function getMainCarrier() { + GLOBAL_OBJ.__SENTRY__ = GLOBAL_OBJ.__SENTRY__ || { + extensions: {}, + hub: undefined, + }; + return GLOBAL_OBJ; + } + + /** + * Replaces the current main hub with the passed one on the global object + * + * @returns The old replaced hub + */ + function makeMain(hub) { + const registry = getMainCarrier(); + const oldHub = getHubFromCarrier(registry); + setHubOnCarrier(registry, hub); + return oldHub; + } + + /** + * Returns the default hub instance. + * + * If a hub is already registered in the global carrier but this module + * contains a more recent version, it replaces the registered version. + * Otherwise, the currently registered hub will be returned. + */ + function getCurrentHub() { + // Get main carrier (global for every environment) + const registry = getMainCarrier(); + + // If there's no hub, or its an old API, assign a new one + if (!hasHubOnCarrier(registry) || getHubFromCarrier(registry).isOlderThan(API_VERSION)) { + setHubOnCarrier(registry, new Hub()); + } + + // Prefer domains over global if they are there (applicable only to Node environment) + if (isNodeEnv()) { + return getHubFromActiveDomain(registry); + } + // Return hub that lives on a global object + return getHubFromCarrier(registry); + } + + /** + * Try to read the hub from an active domain, and fallback to the registry if one doesn't exist + * @returns discovered hub + */ + function getHubFromActiveDomain(registry) { + try { + const sentry = getMainCarrier().__SENTRY__; + const activeDomain = sentry && sentry.extensions && sentry.extensions.domain && sentry.extensions.domain.active; + + // If there's no active domain, just return global hub + if (!activeDomain) { + return getHubFromCarrier(registry); + } + + // If there's no hub on current domain, or it's an old API, assign a new one + if (!hasHubOnCarrier(activeDomain) || getHubFromCarrier(activeDomain).isOlderThan(API_VERSION)) { + const registryHubTopStack = getHubFromCarrier(registry).getStackTop(); + setHubOnCarrier(activeDomain, new Hub(registryHubTopStack.client, Scope.clone(registryHubTopStack.scope))); + } + + // Return hub that lives on a domain + return getHubFromCarrier(activeDomain); + } catch (_Oo) { + // Return hub that lives on a global object + return getHubFromCarrier(registry); + } + } + + /** + * This will tell whether a carrier has a hub on it or not + * @param carrier object + */ + function hasHubOnCarrier(carrier) { + return !!(carrier && carrier.__SENTRY__ && carrier.__SENTRY__.hub); + } + + /** + * This will create a new {@link Hub} and add to the passed object on + * __SENTRY__.hub. + * @param carrier object + * @hidden + */ + function getHubFromCarrier(carrier) { + return getGlobalSingleton('hub', () => new Hub(), carrier); + } + + /** + * This will set passed {@link Hub} on the passed object's __SENTRY__.hub attribute + * @param carrier object + * @param hub Hub + * @returns A boolean indicating success or failure + */ + function setHubOnCarrier(carrier, hub) { + if (!carrier) return false; + const __SENTRY__ = (carrier.__SENTRY__ = carrier.__SENTRY__ || {}); + __SENTRY__.hub = hub; + return true; + } + + // Note: All functions in this file are typed with a return value of `ReturnType`, + // where HUB_FUNCTION is some method on the Hub class. + // + // This is done to make sure the top level SDK methods stay in sync with the hub methods. + // Although every method here has an explicit return type, some of them (that map to void returns) do not + // contain `return` keywords. This is done to save on bundle size, as `return` is not minifiable. + + /** + * Captures an exception event and sends it to Sentry. + * + * @param exception An exception-like object. + * @param captureContext Additional scope data to apply to exception event. + * @returns The generated eventId. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types + function captureException(exception, captureContext) { + return getCurrentHub().captureException(exception, { captureContext }); + } + + /** + * Captures a message event and sends it to Sentry. + * + * @param message The message to send to Sentry. + * @param Severity Define the level of the message. + * @returns The generated eventId. + */ + function captureMessage( + message, + // eslint-disable-next-line deprecation/deprecation + captureContext, + ) { + // This is necessary to provide explicit scopes upgrade, without changing the original + // arity of the `captureMessage(message, level)` method. + const level = typeof captureContext === 'string' ? captureContext : undefined; + const context = typeof captureContext !== 'string' ? { captureContext } : undefined; + return getCurrentHub().captureMessage(message, level, context); + } + + /** + * Captures a manually created event and sends it to Sentry. + * + * @param event The event to send to Sentry. + * @returns The generated eventId. + */ + function captureEvent(event, hint) { + return getCurrentHub().captureEvent(event, hint); + } + + /** + * Callback to set context information onto the scope. + * @param callback Callback function that receives Scope. + */ + function configureScope(callback) { + getCurrentHub().configureScope(callback); + } + + /** + * Records a new breadcrumb which will be attached to future events. + * + * Breadcrumbs will be added to subsequent events to provide more context on + * user's actions prior to an error or crash. + * + * @param breadcrumb The breadcrumb to record. + */ + function addBreadcrumb(breadcrumb) { + getCurrentHub().addBreadcrumb(breadcrumb); + } + + /** + * Sets context data with the given name. + * @param name of the context + * @param context Any kind of data. This data will be normalized. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function setContext(name, context) { + getCurrentHub().setContext(name, context); + } + + /** + * Set an object that will be merged sent as extra data with the event. + * @param extras Extras object to merge into current context. + */ + function setExtras(extras) { + getCurrentHub().setExtras(extras); + } + + /** + * Set key:value that will be sent as extra data with the event. + * @param key String of extra + * @param extra Any kind of data. This data will be normalized. + */ + function setExtra(key, extra) { + getCurrentHub().setExtra(key, extra); + } + + /** + * Set an object that will be merged sent as tags data with the event. + * @param tags Tags context object to merge into current context. + */ + function setTags(tags) { + getCurrentHub().setTags(tags); + } + + /** + * Set key:value that will be sent as tags data with the event. + * + * Can also be used to unset a tag, by passing `undefined`. + * + * @param key String key of tag + * @param value Value of tag + */ + function setTag(key, value) { + getCurrentHub().setTag(key, value); + } + + /** + * Updates user context information for future events. + * + * @param user User context object to be set in the current context. Pass `null` to unset the user. + */ + function setUser(user) { + getCurrentHub().setUser(user); + } + + /** + * Creates a new scope with and executes the given operation within. + * The scope is automatically removed once the operation + * finishes or throws. + * + * This is essentially a convenience function for: + * + * pushScope(); + * callback(); + * popScope(); + * + * @param callback that will be enclosed into push/popScope. + */ + function withScope(callback) { + getCurrentHub().withScope(callback); + } + + /** + * Starts a new `Transaction` and returns it. This is the entry point to manual tracing instrumentation. + * + * A tree structure can be built by adding child spans to the transaction, and child spans to other spans. To start a + * new child span within the transaction or any span, call the respective `.startChild()` method. + * + * Every child span must be finished before the transaction is finished, otherwise the unfinished spans are discarded. + * + * The transaction must be finished with a call to its `.finish()` method, at which point the transaction with all its + * finished child spans will be sent to Sentry. + * + * NOTE: This function should only be used for *manual* instrumentation. Auto-instrumentation should call + * `startTransaction` directly on the hub. + * + * @param context Properties of the new `Transaction`. + * @param customSamplingContext Information given to the transaction sampling function (along with context-dependent + * default values). See {@link Options.tracesSampler}. + * + * @returns The transaction which was just started + */ + function startTransaction( + context, + customSamplingContext, + ) { + return getCurrentHub().startTransaction({ ...context }, customSamplingContext); + } + + const SENTRY_API_VERSION = '7'; + + /** Returns the prefix to construct Sentry ingestion API endpoints. */ + function getBaseApiEndpoint(dsn) { + const protocol = dsn.protocol ? `${dsn.protocol}:` : ''; + const port = dsn.port ? `:${dsn.port}` : ''; + return `${protocol}//${dsn.host}${port}${dsn.path ? `/${dsn.path}` : ''}/api/`; + } + + /** Returns the ingest API endpoint for target. */ + function _getIngestEndpoint(dsn) { + return `${getBaseApiEndpoint(dsn)}${dsn.projectId}/envelope/`; + } + + /** Returns a URL-encoded string with auth config suitable for a query string. */ + function _encodedAuth(dsn, sdkInfo) { + return urlEncode({ + // We send only the minimum set of required information. See + // https://github.com/getsentry/sentry-javascript/issues/2572. + sentry_key: dsn.publicKey, + sentry_version: SENTRY_API_VERSION, + ...(sdkInfo && { sentry_client: `${sdkInfo.name}/${sdkInfo.version}` }), + }); + } + + /** + * Returns the envelope endpoint URL with auth in the query string. + * + * Sending auth as part of the query string and not as custom HTTP headers avoids CORS preflight requests. + */ + function getEnvelopeEndpointWithUrlEncodedAuth( + dsn, + // TODO (v8): Remove `tunnelOrOptions` in favor of `options`, and use the substitute code below + // options: ClientOptions = {} as ClientOptions, + tunnelOrOptions = {} , + ) { + // TODO (v8): Use this code instead + // const { tunnel, _metadata = {} } = options; + // return tunnel ? tunnel : `${_getIngestEndpoint(dsn)}?${_encodedAuth(dsn, _metadata.sdk)}`; + + const tunnel = typeof tunnelOrOptions === 'string' ? tunnelOrOptions : tunnelOrOptions.tunnel; + const sdkInfo = + typeof tunnelOrOptions === 'string' || !tunnelOrOptions._metadata ? undefined : tunnelOrOptions._metadata.sdk; + + return tunnel ? tunnel : `${_getIngestEndpoint(dsn)}?${_encodedAuth(dsn, sdkInfo)}`; + } + + /** Returns the url to the report dialog endpoint. */ + function getReportDialogEndpoint( + dsnLike, + dialogOptions + + , + ) { + const dsn = makeDsn(dsnLike); + const endpoint = `${getBaseApiEndpoint(dsn)}embed/error-page/`; + + let encodedOptions = `dsn=${dsnToString(dsn)}`; + for (const key in dialogOptions) { + if (key === 'dsn') { + continue; + } + + if (key === 'user') { + const user = dialogOptions.user; + if (!user) { + continue; + } + if (user.name) { + encodedOptions += `&name=${encodeURIComponent(user.name)}`; + } + if (user.email) { + encodedOptions += `&email=${encodeURIComponent(user.email)}`; + } + } else { + encodedOptions += `&${encodeURIComponent(key)}=${encodeURIComponent(dialogOptions[key] )}`; + } + } + + return `${endpoint}?${encodedOptions}`; + } + + /** Extract sdk info from from the API metadata */ + function getSdkMetadataForEnvelopeHeader(metadata) { + if (!metadata || !metadata.sdk) { + return; + } + const { name, version } = metadata.sdk; + return { name, version }; + } + + /** + * Apply SdkInfo (name, version, packages, integrations) to the corresponding event key. + * Merge with existing data if any. + **/ + function enhanceEventWithSdkInfo(event, sdkInfo) { + if (!sdkInfo) { + return event; + } + event.sdk = event.sdk || {}; + event.sdk.name = event.sdk.name || sdkInfo.name; + event.sdk.version = event.sdk.version || sdkInfo.version; + event.sdk.integrations = [...(event.sdk.integrations || []), ...(sdkInfo.integrations || [])]; + event.sdk.packages = [...(event.sdk.packages || []), ...(sdkInfo.packages || [])]; + return event; + } + + /** Creates an envelope from a Session */ + function createSessionEnvelope( + session, + dsn, + metadata, + tunnel, + ) { + const sdkInfo = getSdkMetadataForEnvelopeHeader(metadata); + const envelopeHeaders = { + sent_at: new Date().toISOString(), + ...(sdkInfo && { sdk: sdkInfo }), + ...(!!tunnel && { dsn: dsnToString(dsn) }), + }; + + const envelopeItem = + 'aggregates' in session ? [{ type: 'sessions' }, session] : [{ type: 'session' }, session]; + + return createEnvelope(envelopeHeaders, [envelopeItem]); + } + + /** + * Create an Envelope from an event. + */ + function createEventEnvelope( + event, + dsn, + metadata, + tunnel, + ) { + const sdkInfo = getSdkMetadataForEnvelopeHeader(metadata); + const eventType = event.type || 'event'; + + enhanceEventWithSdkInfo(event, metadata && metadata.sdk); + + const envelopeHeaders = createEventEnvelopeHeaders(event, sdkInfo, tunnel, dsn); + + // Prevent this data (which, if it exists, was used in earlier steps in the processing pipeline) from being sent to + // sentry. (Note: Our use of this property comes and goes with whatever we might be debugging, whatever hacks we may + // have temporarily added, etc. Even if we don't happen to be using it at some point in the future, let's not get rid + // of this `delete`, lest we miss putting it back in the next time the property is in use.) + delete event.sdkProcessingMetadata; + + const eventItem = [{ type: eventType }, event]; + return createEnvelope(envelopeHeaders, [eventItem]); + } + + function createEventEnvelopeHeaders( + event, + sdkInfo, + tunnel, + dsn, + ) { + const dynamicSamplingContext = event.sdkProcessingMetadata && event.sdkProcessingMetadata.dynamicSamplingContext; + + return { + event_id: event.event_id , + sent_at: new Date().toISOString(), + ...(sdkInfo && { sdk: sdkInfo }), + ...(!!tunnel && { dsn: dsnToString(dsn) }), + ...(event.type === 'transaction' && + dynamicSamplingContext && { + trace: dropUndefinedKeys({ ...dynamicSamplingContext }), + }), + }; + } + + const installedIntegrations = []; + + /** Map of integrations assigned to a client */ + + /** + * Remove duplicates from the given array, preferring the last instance of any duplicate. Not guaranteed to + * preseve the order of integrations in the array. + * + * @private + */ + function filterDuplicates(integrations) { + const integrationsByName = {}; + + integrations.forEach(currentInstance => { + const { name } = currentInstance; + + const existingInstance = integrationsByName[name]; + + // We want integrations later in the array to overwrite earlier ones of the same type, except that we never want a + // default instance to overwrite an existing user instance + if (existingInstance && !existingInstance.isDefaultInstance && currentInstance.isDefaultInstance) { + return; + } + + integrationsByName[name] = currentInstance; + }); + + return Object.values(integrationsByName); + } + + /** Gets integrations to install */ + function getIntegrationsToSetup(options) { + const defaultIntegrations = options.defaultIntegrations || []; + const userIntegrations = options.integrations; + + // We flag default instances, so that later we can tell them apart from any user-created instances of the same class + defaultIntegrations.forEach(integration => { + integration.isDefaultInstance = true; + }); + + let integrations; + + if (Array.isArray(userIntegrations)) { + integrations = [...defaultIntegrations, ...userIntegrations]; + } else if (typeof userIntegrations === 'function') { + integrations = arrayify(userIntegrations(defaultIntegrations)); + } else { + integrations = defaultIntegrations; + } + + const finalIntegrations = filterDuplicates(integrations); + + // The `Debug` integration prints copies of the `event` and `hint` which will be passed to `beforeSend` or + // `beforeSendTransaction`. It therefore has to run after all other integrations, so that the changes of all event + // processors will be reflected in the printed values. For lack of a more elegant way to guarantee that, we therefore + // locate it and, assuming it exists, pop it out of its current spot and shove it onto the end of the array. + const debugIndex = finalIntegrations.findIndex(integration => integration.name === 'Debug'); + if (debugIndex !== -1) { + const [debugInstance] = finalIntegrations.splice(debugIndex, 1); + finalIntegrations.push(debugInstance); + } + + return finalIntegrations; + } + + /** + * Given a list of integration instances this installs them all. When `withDefaults` is set to `true` then all default + * integrations are added unless they were already provided before. + * @param integrations array of integration instances + * @param withDefault should enable default integrations + */ + function setupIntegrations(integrations) { + const integrationIndex = {}; + + integrations.forEach(integration => { + integrationIndex[integration.name] = integration; + + if (installedIntegrations.indexOf(integration.name) === -1) { + integration.setupOnce(addGlobalEventProcessor, getCurrentHub); + installedIntegrations.push(integration.name); + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`Integration installed: ${integration.name}`); + } + }); + + return integrationIndex; + } + + const ALREADY_SEEN_ERROR = "Not capturing exception because it's already been captured."; + + /** + * Base implementation for all JavaScript SDK clients. + * + * Call the constructor with the corresponding options + * specific to the client subclass. To access these options later, use + * {@link Client.getOptions}. + * + * If a Dsn is specified in the options, it will be parsed and stored. Use + * {@link Client.getDsn} to retrieve the Dsn at any moment. In case the Dsn is + * invalid, the constructor will throw a {@link SentryException}. Note that + * without a valid Dsn, the SDK will not send any events to Sentry. + * + * Before sending an event, it is passed through + * {@link BaseClient._prepareEvent} to add SDK information and scope data + * (breadcrumbs and context). To add more custom information, override this + * method and extend the resulting prepared event. + * + * To issue automatically created events (e.g. via instrumentation), use + * {@link Client.captureEvent}. It will prepare the event and pass it through + * the callback lifecycle. To issue auto-breadcrumbs, use + * {@link Client.addBreadcrumb}. + * + * @example + * class NodeClient extends BaseClient { + * public constructor(options: NodeOptions) { + * super(options); + * } + * + * // ... + * } + */ + class BaseClient { + /** Options passed to the SDK. */ + + /** The client Dsn, if specified in options. Without this Dsn, the SDK will be disabled. */ + + /** Array of set up integrations. */ + __init() {this._integrations = {};} + + /** Indicates whether this client's integrations have been set up. */ + __init2() {this._integrationsInitialized = false;} + + /** Number of calls being processed */ + __init3() {this._numProcessing = 0;} + + /** Holds flushable */ + __init4() {this._outcomes = {};} + + /** + * Initializes this client instance. + * + * @param options Options for the client. + */ + constructor(options) {BaseClient.prototype.__init.call(this);BaseClient.prototype.__init2.call(this);BaseClient.prototype.__init3.call(this);BaseClient.prototype.__init4.call(this); + this._options = options; + if (options.dsn) { + this._dsn = makeDsn(options.dsn); + const url = getEnvelopeEndpointWithUrlEncodedAuth(this._dsn, options); + this._transport = options.transport({ + recordDroppedEvent: this.recordDroppedEvent.bind(this), + ...options.transportOptions, + url, + }); + } else { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('No DSN provided, client will not do anything.'); + } + } + + /** + * @inheritDoc + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types + captureException(exception, hint, scope) { + // ensure we haven't captured this very object before + if (checkOrSetAlreadyCaught(exception)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(ALREADY_SEEN_ERROR); + return; + } + + let eventId = hint && hint.event_id; + + this._process( + this.eventFromException(exception, hint) + .then(event => this._captureEvent(event, hint, scope)) + .then(result => { + eventId = result; + }), + ); + + return eventId; + } + + /** + * @inheritDoc + */ + captureMessage( + message, + // eslint-disable-next-line deprecation/deprecation + level, + hint, + scope, + ) { + let eventId = hint && hint.event_id; + + const promisedEvent = isPrimitive$1(message) + ? this.eventFromMessage(String(message), level, hint) + : this.eventFromException(message, hint); + + this._process( + promisedEvent + .then(event => this._captureEvent(event, hint, scope)) + .then(result => { + eventId = result; + }), + ); + + return eventId; + } + + /** + * @inheritDoc + */ + captureEvent(event, hint, scope) { + // ensure we haven't captured this very object before + if (hint && hint.originalException && checkOrSetAlreadyCaught(hint.originalException)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(ALREADY_SEEN_ERROR); + return; + } + + let eventId = hint && hint.event_id; + + this._process( + this._captureEvent(event, hint, scope).then(result => { + eventId = result; + }), + ); + + return eventId; + } + + /** + * @inheritDoc + */ + captureSession(session) { + if (!this._isEnabled()) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('SDK not enabled, will not capture session.'); + return; + } + + if (!(typeof session.release === 'string')) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Discarded session because of missing or non-string release'); + } else { + this.sendSession(session); + // After sending, we set init false to indicate it's not the first occurrence + updateSession(session, { init: false }); + } + } + + /** + * @inheritDoc + */ + getDsn() { + return this._dsn; + } + + /** + * @inheritDoc + */ + getOptions() { + return this._options; + } + + /** + * @inheritDoc + */ + getTransport() { + return this._transport; + } + + /** + * @inheritDoc + */ + flush(timeout) { + const transport = this._transport; + if (transport) { + return this._isClientDoneProcessing(timeout).then(clientFinished => { + return transport.flush(timeout).then(transportFlushed => clientFinished && transportFlushed); + }); + } else { + return resolvedSyncPromise(true); + } + } + + /** + * @inheritDoc + */ + close(timeout) { + return this.flush(timeout).then(result => { + this.getOptions().enabled = false; + return result; + }); + } + + /** + * Sets up the integrations + */ + setupIntegrations() { + if (this._isEnabled() && !this._integrationsInitialized) { + this._integrations = setupIntegrations(this._options.integrations); + this._integrationsInitialized = true; + } + } + + /** + * Gets an installed integration by its `id`. + * + * @returns The installed integration or `undefined` if no integration with that `id` was installed. + */ + getIntegrationById(integrationId) { + return this._integrations[integrationId]; + } + + /** + * @inheritDoc + */ + getIntegration(integration) { + try { + return (this._integrations[integration.id] ) || null; + } catch (_oO) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn(`Cannot retrieve integration ${integration.id} from the current Client`); + return null; + } + } + + /** + * @inheritDoc + */ + sendEvent(event, hint = {}) { + if (this._dsn) { + let env = createEventEnvelope(event, this._dsn, this._options._metadata, this._options.tunnel); + + for (const attachment of hint.attachments || []) { + env = addItemToEnvelope( + env, + createAttachmentEnvelopeItem( + attachment, + this._options.transportOptions && this._options.transportOptions.textEncoder, + ), + ); + } + + this._sendEnvelope(env); + } + } + + /** + * @inheritDoc + */ + sendSession(session) { + if (this._dsn) { + const env = createSessionEnvelope(session, this._dsn, this._options._metadata, this._options.tunnel); + this._sendEnvelope(env); + } + } + + /** + * @inheritDoc + */ + recordDroppedEvent(reason, category) { + if (this._options.sendClientReports) { + // We want to track each category (error, transaction, session) separately + // but still keep the distinction between different type of outcomes. + // We could use nested maps, but it's much easier to read and type this way. + // A correct type for map-based implementation if we want to go that route + // would be `Partial>>>` + // With typescript 4.1 we could even use template literal types + const key = `${reason}:${category}`; + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`Adding outcome: "${key}"`); + + // The following works because undefined + 1 === NaN and NaN is falsy + this._outcomes[key] = this._outcomes[key] + 1 || 1; + } + } + + /** Updates existing session based on the provided event */ + _updateSessionFromEvent(session, event) { + let crashed = false; + let errored = false; + const exceptions = event.exception && event.exception.values; + + if (exceptions) { + errored = true; + + for (const ex of exceptions) { + const mechanism = ex.mechanism; + if (mechanism && mechanism.handled === false) { + crashed = true; + break; + } + } + } + + // A session is updated and that session update is sent in only one of the two following scenarios: + // 1. Session with non terminal status and 0 errors + an error occurred -> Will set error count to 1 and send update + // 2. Session with non terminal status and 1 error + a crash occurred -> Will set status crashed and send update + const sessionNonTerminal = session.status === 'ok'; + const shouldUpdateAndSend = (sessionNonTerminal && session.errors === 0) || (sessionNonTerminal && crashed); + + if (shouldUpdateAndSend) { + updateSession(session, { + ...(crashed && { status: 'crashed' }), + errors: session.errors || Number(errored || crashed), + }); + this.captureSession(session); + } + } + + /** + * Determine if the client is finished processing. Returns a promise because it will wait `timeout` ms before saying + * "no" (resolving to `false`) in order to give the client a chance to potentially finish first. + * + * @param timeout The time, in ms, after which to resolve to `false` if the client is still busy. Passing `0` (or not + * passing anything) will make the promise wait as long as it takes for processing to finish before resolving to + * `true`. + * @returns A promise which will resolve to `true` if processing is already done or finishes before the timeout, and + * `false` otherwise + */ + _isClientDoneProcessing(timeout) { + return new SyncPromise(resolve => { + let ticked = 0; + const tick = 1; + + const interval = setInterval(() => { + if (this._numProcessing == 0) { + clearInterval(interval); + resolve(true); + } else { + ticked += tick; + if (timeout && ticked >= timeout) { + clearInterval(interval); + resolve(false); + } + } + }, tick); + }); + } + + /** Determines whether this SDK is enabled and a valid Dsn is present. */ + _isEnabled() { + return this.getOptions().enabled !== false && this._dsn !== undefined; + } + + /** + * Adds common information to events. + * + * The information includes release and environment from `options`, + * breadcrumbs and context (extra, tags and user) from the scope. + * + * Information that is already present in the event is never overwritten. For + * nested objects, such as the context, keys are merged. + * + * @param event The original event. + * @param hint May contain additional information about the original exception. + * @param scope A scope containing event metadata. + * @returns A new event with more information. + */ + _prepareEvent(event, hint, scope) { + const { normalizeDepth = 3, normalizeMaxBreadth = 1000 } = this.getOptions(); + const prepared = { + ...event, + event_id: event.event_id || hint.event_id || uuid4(), + timestamp: event.timestamp || dateTimestampInSeconds(), + }; + + this._applyClientOptions(prepared); + this._applyIntegrationsMetadata(prepared); + + // If we have scope given to us, use it as the base for further modifications. + // This allows us to prevent unnecessary copying of data if `captureContext` is not provided. + let finalScope = scope; + if (hint.captureContext) { + finalScope = Scope.clone(finalScope).update(hint.captureContext); + } + + // We prepare the result here with a resolved Event. + let result = resolvedSyncPromise(prepared); + + // This should be the last thing called, since we want that + // {@link Hub.addEventProcessor} gets the finished prepared event. + if (finalScope) { + // Collect attachments from the hint and scope + const attachments = [...(hint.attachments || []), ...finalScope.getAttachments()]; + + if (attachments.length) { + hint.attachments = attachments; + } + + // In case we have a hub we reassign it. + result = finalScope.applyToEvent(prepared, hint); + } + + return result.then(evt => { + if (typeof normalizeDepth === 'number' && normalizeDepth > 0) { + return this._normalizeEvent(evt, normalizeDepth, normalizeMaxBreadth); + } + return evt; + }); + } + + /** + * Applies `normalize` function on necessary `Event` attributes to make them safe for serialization. + * Normalized keys: + * - `breadcrumbs.data` + * - `user` + * - `contexts` + * - `extra` + * @param event Event + * @returns Normalized event + */ + _normalizeEvent(event, depth, maxBreadth) { + if (!event) { + return null; + } + + const normalized = { + ...event, + ...(event.breadcrumbs && { + breadcrumbs: event.breadcrumbs.map(b => ({ + ...b, + ...(b.data && { + data: normalize$3(b.data, depth, maxBreadth), + }), + })), + }), + ...(event.user && { + user: normalize$3(event.user, depth, maxBreadth), + }), + ...(event.contexts && { + contexts: normalize$3(event.contexts, depth, maxBreadth), + }), + ...(event.extra && { + extra: normalize$3(event.extra, depth, maxBreadth), + }), + }; + + // event.contexts.trace stores information about a Transaction. Similarly, + // event.spans[] stores information about child Spans. Given that a + // Transaction is conceptually a Span, normalization should apply to both + // Transactions and Spans consistently. + // For now the decision is to skip normalization of Transactions and Spans, + // so this block overwrites the normalized event to add back the original + // Transaction information prior to normalization. + if (event.contexts && event.contexts.trace && normalized.contexts) { + normalized.contexts.trace = event.contexts.trace; + + // event.contexts.trace.data may contain circular/dangerous data so we need to normalize it + if (event.contexts.trace.data) { + normalized.contexts.trace.data = normalize$3(event.contexts.trace.data, depth, maxBreadth); + } + } + + // event.spans[].data may contain circular/dangerous data so we need to normalize it + if (event.spans) { + normalized.spans = event.spans.map(span => { + // We cannot use the spread operator here because `toJSON` on `span` is non-enumerable + if (span.data) { + span.data = normalize$3(span.data, depth, maxBreadth); + } + return span; + }); + } + + return normalized; + } + + /** + * Enhances event using the client configuration. + * It takes care of all "static" values like environment, release and `dist`, + * as well as truncating overly long values. + * @param event event instance to be enhanced + */ + _applyClientOptions(event) { + const options = this.getOptions(); + const { environment, release, dist, maxValueLength = 250 } = options; + + if (!('environment' in event)) { + event.environment = 'environment' in options ? environment : 'production'; + } + + if (event.release === undefined && release !== undefined) { + event.release = release; + } + + if (event.dist === undefined && dist !== undefined) { + event.dist = dist; + } + + if (event.message) { + event.message = truncate(event.message, maxValueLength); + } + + const exception = event.exception && event.exception.values && event.exception.values[0]; + if (exception && exception.value) { + exception.value = truncate(exception.value, maxValueLength); + } + + const request = event.request; + if (request && request.url) { + request.url = truncate(request.url, maxValueLength); + } + } + + /** + * This function adds all used integrations to the SDK info in the event. + * @param event The event that will be filled with all integrations. + */ + _applyIntegrationsMetadata(event) { + const integrationsArray = Object.keys(this._integrations); + if (integrationsArray.length > 0) { + event.sdk = event.sdk || {}; + event.sdk.integrations = [...(event.sdk.integrations || []), ...integrationsArray]; + } + } + + /** + * Processes the event and logs an error in case of rejection + * @param event + * @param hint + * @param scope + */ + _captureEvent(event, hint = {}, scope) { + return this._processEvent(event, hint, scope).then( + finalEvent => { + return finalEvent.event_id; + }, + reason => { + if ((typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__)) { + // If something's gone wrong, log the error as a warning. If it's just us having used a `SentryError` for + // control flow, log just the message (no stack) as a log-level log. + const sentryError = reason ; + if (sentryError.logLevel === 'log') { + logger.log(sentryError.message); + } else { + logger.warn(sentryError); + } + } + return undefined; + }, + ); + } + + /** + * Processes an event (either error or message) and sends it to Sentry. + * + * This also adds breadcrumbs and context information to the event. However, + * platform specific meta data (such as the User's IP address) must be added + * by the SDK implementor. + * + * + * @param event The event to send to Sentry. + * @param hint May contain additional information about the original exception. + * @param scope A scope containing event metadata. + * @returns A SyncPromise that resolves with the event or rejects in case event was/will not be send. + */ + _processEvent(event, hint, scope) { + const options = this.getOptions(); + const { sampleRate } = options; + + if (!this._isEnabled()) { + return rejectedSyncPromise(new SentryError('SDK not enabled, will not capture event.', 'log')); + } + + const isTransaction = event.type === 'transaction'; + const beforeSendProcessorName = isTransaction ? 'beforeSendTransaction' : 'beforeSend'; + const beforeSendProcessor = options[beforeSendProcessorName]; + + // 1.0 === 100% events are sent + // 0.0 === 0% events are sent + // Sampling for transaction happens somewhere else + if (!isTransaction && typeof sampleRate === 'number' && Math.random() > sampleRate) { + this.recordDroppedEvent('sample_rate', 'error'); + return rejectedSyncPromise( + new SentryError( + `Discarding event because it's not included in the random sample (sampling rate = ${sampleRate})`, + 'log', + ), + ); + } + + return this._prepareEvent(event, hint, scope) + .then(prepared => { + if (prepared === null) { + this.recordDroppedEvent('event_processor', event.type || 'error'); + throw new SentryError('An event processor returned `null`, will not send event.', 'log'); + } + + const isInternalException = hint.data && (hint.data ).__sentry__ === true; + if (isInternalException || !beforeSendProcessor) { + return prepared; + } + + const beforeSendResult = beforeSendProcessor(prepared, hint); + return _validateBeforeSendResult(beforeSendResult, beforeSendProcessorName); + }) + .then(processedEvent => { + if (processedEvent === null) { + this.recordDroppedEvent('before_send', event.type || 'error'); + throw new SentryError(`\`${beforeSendProcessorName}\` returned \`null\`, will not send event.`, 'log'); + } + + const session = scope && scope.getSession(); + if (!isTransaction && session) { + this._updateSessionFromEvent(session, processedEvent); + } + + // None of the Sentry built event processor will update transaction name, + // so if the transaction name has been changed by an event processor, we know + // it has to come from custom event processor added by a user + const transactionInfo = processedEvent.transaction_info; + if (isTransaction && transactionInfo && processedEvent.transaction !== event.transaction) { + const source = 'custom'; + processedEvent.transaction_info = { + ...transactionInfo, + source, + changes: [ + ...transactionInfo.changes, + { + source, + // use the same timestamp as the processed event. + timestamp: processedEvent.timestamp , + propagations: transactionInfo.propagations, + }, + ], + }; + } + + this.sendEvent(processedEvent, hint); + return processedEvent; + }) + .then(null, reason => { + if (reason instanceof SentryError) { + throw reason; + } + + this.captureException(reason, { + data: { + __sentry__: true, + }, + originalException: reason , + }); + throw new SentryError( + `Event processing pipeline threw an error, original event will not be sent. Details have been sent as a new event.\nReason: ${reason}`, + ); + }); + } + + /** + * Occupies the client with processing and event + */ + _process(promise) { + this._numProcessing += 1; + void promise.then( + value => { + this._numProcessing -= 1; + return value; + }, + reason => { + this._numProcessing -= 1; + return reason; + }, + ); + } + + /** + * @inheritdoc + */ + _sendEnvelope(envelope) { + if (this._transport && this._dsn) { + this._transport.send(envelope).then(null, reason => { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Error while sending event:', reason); + }); + } else { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Transport disabled'); + } + } + + /** + * Clears outcomes on this client and returns them. + */ + _clearOutcomes() { + const outcomes = this._outcomes; + this._outcomes = {}; + return Object.keys(outcomes).map(key => { + const [reason, category] = key.split(':') ; + return { + reason, + category, + quantity: outcomes[key], + }; + }); + } + + /** + * @inheritDoc + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types + + } + + /** + * Verifies that return value of configured `beforeSend` or `beforeSendTransaction` is of expected type, and returns the value if so. + */ + function _validateBeforeSendResult( + beforeSendResult, + beforeSendProcessorName, + ) { + const invalidValueError = `\`${beforeSendProcessorName}\` must return \`null\` or a valid event.`; + if (isThenable(beforeSendResult)) { + return beforeSendResult.then( + event => { + if (!isPlainObject$1(event) && event !== null) { + throw new SentryError(invalidValueError); + } + return event; + }, + e => { + throw new SentryError(`\`${beforeSendProcessorName}\` rejected with ${e}`); + }, + ); + } else if (!isPlainObject$1(beforeSendResult) && beforeSendResult !== null) { + throw new SentryError(invalidValueError); + } + return beforeSendResult; + } + + /** A class object that can instantiate Client objects. */ + + /** + * Internal function to create a new SDK client instance. The client is + * installed and then bound to the current scope. + * + * @param clientClass The client class to instantiate. + * @param options Options to pass to the client. + */ + function initAndBind( + clientClass, + options, + ) { + if (options.debug === true) { + if ((typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__)) { + logger.enable(); + } else { + // use `console.warn` rather than `logger.warn` since by non-debug bundles have all `logger.x` statements stripped + // eslint-disable-next-line no-console + console.warn('[Sentry] Cannot initialize SDK with `debug` option using a non-debug bundle.'); + } + } + const hub = getCurrentHub(); + const scope = hub.getScope(); + if (scope) { + scope.update(options.initialScope); + } + + const client = new clientClass(options); + hub.bindClient(client); + } + + const DEFAULT_TRANSPORT_BUFFER_SIZE = 30; + + /** + * Creates an instance of a Sentry `Transport` + * + * @param options + * @param makeRequest + */ + function createTransport( + options, + makeRequest, + buffer = makePromiseBuffer(options.bufferSize || DEFAULT_TRANSPORT_BUFFER_SIZE), + ) { + let rateLimits = {}; + + const flush = (timeout) => buffer.drain(timeout); + + function send(envelope) { + const filteredEnvelopeItems = []; + + // Drop rate limited items from envelope + forEachEnvelopeItem(envelope, (item, type) => { + const envelopeItemDataCategory = envelopeItemTypeToDataCategory(type); + if (isRateLimited(rateLimits, envelopeItemDataCategory)) { + options.recordDroppedEvent('ratelimit_backoff', envelopeItemDataCategory); + } else { + filteredEnvelopeItems.push(item); + } + }); + + // Skip sending if envelope is empty after filtering out rate limited events + if (filteredEnvelopeItems.length === 0) { + return resolvedSyncPromise(); + } + + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const filteredEnvelope = createEnvelope(envelope[0], filteredEnvelopeItems ); + + // Creates client report for each item in an envelope + const recordEnvelopeLoss = (reason) => { + forEachEnvelopeItem(filteredEnvelope, (_, type) => { + options.recordDroppedEvent(reason, envelopeItemTypeToDataCategory(type)); + }); + }; + + const requestTask = () => + makeRequest({ body: serializeEnvelope(filteredEnvelope, options.textEncoder) }).then( + response => { + // We don't want to throw on NOK responses, but we want to at least log them + if (response.statusCode !== undefined && (response.statusCode < 200 || response.statusCode >= 300)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn(`Sentry responded with status code ${response.statusCode} to sent event.`); + } + + rateLimits = updateRateLimits(rateLimits, response); + }, + error => { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Failed while sending event:', error); + recordEnvelopeLoss('network_error'); + }, + ); + + return buffer.add(requestTask).then( + result => result, + error => { + if (error instanceof SentryError) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Skipped sending event because buffer is full.'); + recordEnvelopeLoss('queue_overflow'); + return resolvedSyncPromise(); + } else { + throw error; + } + }, + ); + } + + return { + send, + flush, + }; + } + + const SDK_VERSION = '7.20.0'; + + let originalFunctionToString; + + /** Patch toString calls to return proper name for wrapped functions */ + class FunctionToString {constructor() { FunctionToString.prototype.__init.call(this); } + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'FunctionToString';} + + /** + * @inheritDoc + */ + __init() {this.name = FunctionToString.id;} + + /** + * @inheritDoc + */ + setupOnce() { + // eslint-disable-next-line @typescript-eslint/unbound-method + originalFunctionToString = Function.prototype.toString; + + // eslint-disable-next-line @typescript-eslint/no-explicit-any + Function.prototype.toString = function ( ...args) { + const context = getOriginalFunction(this) || this; + return originalFunctionToString.apply(context, args); + }; + } + } FunctionToString.__initStatic(); + + // "Script error." is hard coded into browsers for errors that it can't read. + // this is the result of a script being pulled in from an external domain and CORS. + const DEFAULT_IGNORE_ERRORS = [/^Script error\.?$/, /^Javascript error: Script error\.? on line 0$/]; + + /** Options for the InboundFilters integration */ + + /** Inbound filters configurable by the user */ + class InboundFilters { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'InboundFilters';} + + /** + * @inheritDoc + */ + __init() {this.name = InboundFilters.id;} + + constructor( _options = {}) {this._options = _options;InboundFilters.prototype.__init.call(this);} + + /** + * @inheritDoc + */ + setupOnce(addGlobalEventProcessor, getCurrentHub) { + const eventProcess = (event) => { + const hub = getCurrentHub(); + if (hub) { + const self = hub.getIntegration(InboundFilters); + if (self) { + const client = hub.getClient(); + const clientOptions = client ? client.getOptions() : {}; + const options = _mergeOptions(self._options, clientOptions); + return _shouldDropEvent$1(event, options) ? null : event; + } + } + return event; + }; + + eventProcess.id = this.name; + addGlobalEventProcessor(eventProcess); + } + } InboundFilters.__initStatic(); + + /** JSDoc */ + function _mergeOptions( + internalOptions = {}, + clientOptions = {}, + ) { + return { + allowUrls: [...(internalOptions.allowUrls || []), ...(clientOptions.allowUrls || [])], + denyUrls: [...(internalOptions.denyUrls || []), ...(clientOptions.denyUrls || [])], + ignoreErrors: [ + ...(internalOptions.ignoreErrors || []), + ...(clientOptions.ignoreErrors || []), + ...DEFAULT_IGNORE_ERRORS, + ], + ignoreInternal: internalOptions.ignoreInternal !== undefined ? internalOptions.ignoreInternal : true, + }; + } + + /** JSDoc */ + function _shouldDropEvent$1(event, options) { + if (options.ignoreInternal && _isSentryError(event)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn(`Event dropped due to being internal Sentry Error.\nEvent: ${getEventDescription(event)}`); + return true; + } + if (_isIgnoredError(event, options.ignoreErrors)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn( + `Event dropped due to being matched by \`ignoreErrors\` option.\nEvent: ${getEventDescription(event)}`, + ); + return true; + } + if (_isDeniedUrl(event, options.denyUrls)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn( + `Event dropped due to being matched by \`denyUrls\` option.\nEvent: ${getEventDescription( + event, + )}.\nUrl: ${_getEventFilterUrl(event)}`, + ); + return true; + } + if (!_isAllowedUrl(event, options.allowUrls)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn( + `Event dropped due to not being matched by \`allowUrls\` option.\nEvent: ${getEventDescription( + event, + )}.\nUrl: ${_getEventFilterUrl(event)}`, + ); + return true; + } + return false; + } + + function _isIgnoredError(event, ignoreErrors) { + if (!ignoreErrors || !ignoreErrors.length) { + return false; + } + + return _getPossibleEventMessages(event).some(message => stringMatchesSomePattern(message, ignoreErrors)); + } + + function _isDeniedUrl(event, denyUrls) { + // TODO: Use Glob instead? + if (!denyUrls || !denyUrls.length) { + return false; + } + const url = _getEventFilterUrl(event); + return !url ? false : stringMatchesSomePattern(url, denyUrls); + } + + function _isAllowedUrl(event, allowUrls) { + // TODO: Use Glob instead? + if (!allowUrls || !allowUrls.length) { + return true; + } + const url = _getEventFilterUrl(event); + return !url ? true : stringMatchesSomePattern(url, allowUrls); + } + + function _getPossibleEventMessages(event) { + if (event.message) { + return [event.message]; + } + if (event.exception) { + try { + const { type = '', value = '' } = (event.exception.values && event.exception.values[0]) || {}; + return [`${value}`, `${type}: ${value}`]; + } catch (oO) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error(`Cannot extract message for event ${getEventDescription(event)}`); + return []; + } + } + return []; + } + + function _isSentryError(event) { + try { + // @ts-ignore can't be a sentry error if undefined + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + return event.exception.values[0].type === 'SentryError'; + } catch (e) { + // ignore + } + return false; + } + + function _getLastValidUrl(frames = []) { + for (let i = frames.length - 1; i >= 0; i--) { + const frame = frames[i]; + + if (frame && frame.filename !== '' && frame.filename !== '[native code]') { + return frame.filename || null; + } + } + + return null; + } + + function _getEventFilterUrl(event) { + try { + let frames; + try { + // @ts-ignore we only care about frames if the whole thing here is defined + frames = event.exception.values[0].stacktrace.frames; + } catch (e) { + // ignore + } + return frames ? _getLastValidUrl(frames) : null; + } catch (oO) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error(`Cannot extract url for event ${getEventDescription(event)}`); + return null; + } + } + + var Integrations = /*#__PURE__*/Object.freeze({ + __proto__: null, + FunctionToString: FunctionToString, + InboundFilters: InboundFilters + }); + + const WINDOW$1 = GLOBAL_OBJ ; + + let ignoreOnError = 0; + + /** + * @hidden + */ + function shouldIgnoreOnError() { + return ignoreOnError > 0; + } + + /** + * @hidden + */ + function ignoreNextOnError() { + // onerror should trigger before setTimeout + ignoreOnError += 1; + setTimeout(() => { + ignoreOnError -= 1; + }); + } + + /** + * Instruments the given function and sends an event to Sentry every time the + * function throws an exception. + * + * @param fn A function to wrap. It is generally safe to pass an unbound function, because the returned wrapper always + * has a correct `this` context. + * @returns The wrapped function. + * @hidden + */ + function wrap$2( + fn, + options + + = {}, + before, + // eslint-disable-next-line @typescript-eslint/no-explicit-any + ) { + // for future readers what this does is wrap a function and then create + // a bi-directional wrapping between them. + // + // example: wrapped = wrap(original); + // original.__sentry_wrapped__ -> wrapped + // wrapped.__sentry_original__ -> original + + if (typeof fn !== 'function') { + return fn; + } + + try { + // if we're dealing with a function that was previously wrapped, return + // the original wrapper. + const wrapper = fn.__sentry_wrapped__; + if (wrapper) { + return wrapper; + } + + // We don't wanna wrap it twice + if (getOriginalFunction(fn)) { + return fn; + } + } catch (e) { + // Just accessing custom props in some Selenium environments + // can cause a "Permission denied" exception (see raven-js#495). + // Bail on wrapping and return the function as-is (defers to window.onerror). + return fn; + } + + /* eslint-disable prefer-rest-params */ + // It is important that `sentryWrapped` is not an arrow function to preserve the context of `this` + const sentryWrapped = function () { + const args = Array.prototype.slice.call(arguments); + + try { + if (before && typeof before === 'function') { + before.apply(this, arguments); + } + + // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access + const wrappedArguments = args.map((arg) => wrap$2(arg, options)); + + // Attempt to invoke user-land function + // NOTE: If you are a Sentry user, and you are seeing this stack frame, it + // means the sentry.javascript SDK caught an error invoking your application code. This + // is expected behavior and NOT indicative of a bug with sentry.javascript. + return fn.apply(this, wrappedArguments); + } catch (ex) { + ignoreNextOnError(); + + withScope((scope) => { + scope.addEventProcessor((event) => { + if (options.mechanism) { + addExceptionTypeValue(event, undefined, undefined); + addExceptionMechanism(event, options.mechanism); + } + + event.extra = { + ...event.extra, + arguments: args, + }; + + return event; + }); + + captureException(ex); + }); + + throw ex; + } + }; + /* eslint-enable prefer-rest-params */ + + // Accessing some objects may throw + // ref: https://github.com/getsentry/sentry-javascript/issues/1168 + try { + for (const property in fn) { + if (Object.prototype.hasOwnProperty.call(fn, property)) { + sentryWrapped[property] = fn[property]; + } + } + } catch (_oO) {} // eslint-disable-line no-empty + + // Signal that this function has been wrapped/filled already + // for both debugging and to prevent it to being wrapped/filled twice + markFunctionWrapped(sentryWrapped, fn); + + addNonEnumerableProperty(fn, '__sentry_wrapped__', sentryWrapped); + + // Restore original function name (not all browsers allow that) + try { + const descriptor = Object.getOwnPropertyDescriptor(sentryWrapped, 'name') ; + if (descriptor.configurable) { + Object.defineProperty(sentryWrapped, 'name', { + get() { + return fn.name; + }, + }); + } + // eslint-disable-next-line no-empty + } catch (_oO) {} + + return sentryWrapped; + } + + /** + * This function creates an exception from a JavaScript Error + */ + function exceptionFromError(stackParser, ex) { + // Get the frames first since Opera can lose the stack if we touch anything else first + const frames = parseStackFrames(stackParser, ex); + + const exception = { + type: ex && ex.name, + value: extractMessage(ex), + }; + + if (frames.length) { + exception.stacktrace = { frames }; + } + + if (exception.type === undefined && exception.value === '') { + exception.value = 'Unrecoverable error caught'; + } + + return exception; + } + + /** + * @hidden + */ + function eventFromPlainObject( + stackParser, + exception, + syntheticException, + isUnhandledRejection, + ) { + const hub = getCurrentHub(); + const client = hub.getClient(); + const normalizeDepth = client && client.getOptions().normalizeDepth; + + const event = { + exception: { + values: [ + { + type: isEvent(exception) ? exception.constructor.name : isUnhandledRejection ? 'UnhandledRejection' : 'Error', + value: `Non-Error ${ + isUnhandledRejection ? 'promise rejection' : 'exception' + } captured with keys: ${extractExceptionKeysForMessage(exception)}`, + }, + ], + }, + extra: { + __serialized__: normalizeToSize(exception, normalizeDepth), + }, + }; + + if (syntheticException) { + const frames = parseStackFrames(stackParser, syntheticException); + if (frames.length) { + // event.exception.values[0] has been set above + (event.exception ).values[0].stacktrace = { frames }; + } + } + + return event; + } + + /** + * @hidden + */ + function eventFromError(stackParser, ex) { + return { + exception: { + values: [exceptionFromError(stackParser, ex)], + }, + }; + } + + /** Parses stack frames from an error */ + function parseStackFrames( + stackParser, + ex, + ) { + // Access and store the stacktrace property before doing ANYTHING + // else to it because Opera is not very good at providing it + // reliably in other circumstances. + const stacktrace = ex.stacktrace || ex.stack || ''; + + const popSize = getPopSize(ex); + + try { + return stackParser(stacktrace, popSize); + } catch (e) { + // no-empty + } + + return []; + } + + // Based on our own mapping pattern - https://github.com/getsentry/sentry/blob/9f08305e09866c8bd6d0c24f5b0aabdd7dd6c59c/src/sentry/lang/javascript/errormapping.py#L83-L108 + const reactMinifiedRegexp = /Minified React error #\d+;/i; + + function getPopSize(ex) { + if (ex) { + if (typeof ex.framesToPop === 'number') { + return ex.framesToPop; + } + + if (reactMinifiedRegexp.test(ex.message)) { + return 1; + } + } + + return 0; + } + + /** + * There are cases where stacktrace.message is an Event object + * https://github.com/getsentry/sentry-javascript/issues/1949 + * In this specific case we try to extract stacktrace.message.error.message + */ + function extractMessage(ex) { + const message = ex && ex.message; + if (!message) { + return 'No error message'; + } + if (message.error && typeof message.error.message === 'string') { + return message.error.message; + } + return message; + } + + /** + * Creates an {@link Event} from all inputs to `captureException` and non-primitive inputs to `captureMessage`. + * @hidden + */ + function eventFromException( + stackParser, + exception, + hint, + attachStacktrace, + ) { + const syntheticException = (hint && hint.syntheticException) || undefined; + const event = eventFromUnknownInput(stackParser, exception, syntheticException, attachStacktrace); + addExceptionMechanism(event); // defaults to { type: 'generic', handled: true } + event.level = 'error'; + if (hint && hint.event_id) { + event.event_id = hint.event_id; + } + return resolvedSyncPromise(event); + } + + /** + * Builds and Event from a Message + * @hidden + */ + function eventFromMessage( + stackParser, + message, + // eslint-disable-next-line deprecation/deprecation + level = 'info', + hint, + attachStacktrace, + ) { + const syntheticException = (hint && hint.syntheticException) || undefined; + const event = eventFromString(stackParser, message, syntheticException, attachStacktrace); + event.level = level; + if (hint && hint.event_id) { + event.event_id = hint.event_id; + } + return resolvedSyncPromise(event); + } + + /** + * @hidden + */ + function eventFromUnknownInput( + stackParser, + exception, + syntheticException, + attachStacktrace, + isUnhandledRejection, + ) { + let event; + + if (isErrorEvent(exception ) && (exception ).error) { + // If it is an ErrorEvent with `error` property, extract it to get actual Error + const errorEvent = exception ; + return eventFromError(stackParser, errorEvent.error ); + } + + // If it is a `DOMError` (which is a legacy API, but still supported in some browsers) then we just extract the name + // and message, as it doesn't provide anything else. According to the spec, all `DOMExceptions` should also be + // `Error`s, but that's not the case in IE11, so in that case we treat it the same as we do a `DOMError`. + // + // https://developer.mozilla.org/en-US/docs/Web/API/DOMError + // https://developer.mozilla.org/en-US/docs/Web/API/DOMException + // https://webidl.spec.whatwg.org/#es-DOMException-specialness + if (isDOMError(exception ) || isDOMException(exception )) { + const domException = exception ; + + if ('stack' in (exception )) { + event = eventFromError(stackParser, exception ); + } else { + const name = domException.name || (isDOMError(domException) ? 'DOMError' : 'DOMException'); + const message = domException.message ? `${name}: ${domException.message}` : name; + event = eventFromString(stackParser, message, syntheticException, attachStacktrace); + addExceptionTypeValue(event, message); + } + if ('code' in domException) { + event.tags = { ...event.tags, 'DOMException.code': `${domException.code}` }; + } + + return event; + } + if (isError$2(exception)) { + // we have a real Error object, do nothing + return eventFromError(stackParser, exception); + } + if (isPlainObject$1(exception) || isEvent(exception)) { + // If it's a plain object or an instance of `Event` (the built-in JS kind, not this SDK's `Event` type), serialize + // it manually. This will allow us to group events based on top-level keys which is much better than creating a new + // group on any key/value change. + const objectException = exception ; + event = eventFromPlainObject(stackParser, objectException, syntheticException, isUnhandledRejection); + addExceptionMechanism(event, { + synthetic: true, + }); + return event; + } + + // If none of previous checks were valid, then it means that it's not: + // - an instance of DOMError + // - an instance of DOMException + // - an instance of Event + // - an instance of Error + // - a valid ErrorEvent (one with an error property) + // - a plain Object + // + // So bail out and capture it as a simple message: + event = eventFromString(stackParser, exception , syntheticException, attachStacktrace); + addExceptionTypeValue(event, `${exception}`, undefined); + addExceptionMechanism(event, { + synthetic: true, + }); + + return event; + } + + /** + * @hidden + */ + function eventFromString( + stackParser, + input, + syntheticException, + attachStacktrace, + ) { + const event = { + message: input, + }; + + if (attachStacktrace && syntheticException) { + const frames = parseStackFrames(stackParser, syntheticException); + if (frames.length) { + event.exception = { + values: [{ value: input, stacktrace: { frames } }], + }; + } + } + + return event; + } + + /* eslint-disable @typescript-eslint/no-unsafe-member-access */ + + /** JSDoc */ + + const BREADCRUMB_INTEGRATION_ID = 'Breadcrumbs'; + + /** + * Default Breadcrumbs instrumentations + * TODO: Deprecated - with v6, this will be renamed to `Instrument` + */ + class Breadcrumbs { + /** + * @inheritDoc + */ + static __initStatic() {this.id = BREADCRUMB_INTEGRATION_ID;} + + /** + * @inheritDoc + */ + __init() {this.name = Breadcrumbs.id;} + + /** + * Options of the breadcrumbs integration. + */ + // This field is public, because we use it in the browser client to check if the `sentry` option is enabled. + + /** + * @inheritDoc + */ + constructor(options) {Breadcrumbs.prototype.__init.call(this); + this.options = { + console: true, + dom: true, + fetch: true, + history: true, + sentry: true, + xhr: true, + ...options, + }; + } + + /** + * Instrument browser built-ins w/ breadcrumb capturing + * - Console API + * - DOM API (click/typing) + * - XMLHttpRequest API + * - Fetch API + * - History API + */ + setupOnce() { + if (this.options.console) { + addInstrumentationHandler('console', _consoleBreadcrumb); + } + if (this.options.dom) { + addInstrumentationHandler('dom', _domBreadcrumb(this.options.dom)); + } + if (this.options.xhr) { + addInstrumentationHandler('xhr', _xhrBreadcrumb); + } + if (this.options.fetch) { + addInstrumentationHandler('fetch', _fetchBreadcrumb); + } + if (this.options.history) { + addInstrumentationHandler('history', _historyBreadcrumb); + } + } + } Breadcrumbs.__initStatic(); + + /** + * A HOC that creaes a function that creates breadcrumbs from DOM API calls. + * This is a HOC so that we get access to dom options in the closure. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _domBreadcrumb(dom) { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _innerDomBreadcrumb(handlerData) { + let target; + let keyAttrs = typeof dom === 'object' ? dom.serializeAttribute : undefined; + + if (typeof keyAttrs === 'string') { + keyAttrs = [keyAttrs]; + } + + // Accessing event.target can throw (see getsentry/raven-js#838, #768) + try { + target = handlerData.event.target + ? htmlTreeAsString(handlerData.event.target , keyAttrs) + : htmlTreeAsString(handlerData.event , keyAttrs); + } catch (e) { + target = ''; + } + + if (target.length === 0) { + return; + } + + getCurrentHub().addBreadcrumb( + { + category: `ui.${handlerData.name}`, + message: target, + }, + { + event: handlerData.event, + name: handlerData.name, + global: handlerData.global, + }, + ); + } + + return _innerDomBreadcrumb; + } + + /** + * Creates breadcrumbs from console API calls + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _consoleBreadcrumb(handlerData) { + // This is a hack to fix a Vue3-specific bug that causes an infinite loop of + // console warnings. This happens when a Vue template is rendered with + // an undeclared variable, which we try to stringify, ultimately causing + // Vue to issue another warning which repeats indefinitely. + // see: https://github.com/getsentry/sentry-javascript/pull/6010 + // see: https://github.com/getsentry/sentry-javascript/issues/5916 + for (let i = 0; i < handlerData.args.length; i++) { + if (handlerData.args[i] === 'ref=Ref<') { + handlerData.args[i + 1] = 'viewRef'; + break; + } + } + const breadcrumb = { + category: 'console', + data: { + arguments: handlerData.args, + logger: 'console', + }, + level: severityLevelFromString(handlerData.level), + message: safeJoin(handlerData.args, ' '), + }; + + if (handlerData.level === 'assert') { + if (handlerData.args[0] === false) { + breadcrumb.message = `Assertion failed: ${safeJoin(handlerData.args.slice(1), ' ') || 'console.assert'}`; + breadcrumb.data.arguments = handlerData.args.slice(1); + } else { + // Don't capture a breadcrumb for passed assertions + return; + } + } + + getCurrentHub().addBreadcrumb(breadcrumb, { + input: handlerData.args, + level: handlerData.level, + }); + } + + /** + * Creates breadcrumbs from XHR API calls + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _xhrBreadcrumb(handlerData) { + if (handlerData.endTimestamp) { + // We only capture complete, non-sentry requests + if (handlerData.xhr.__sentry_own_request__) { + return; + } + + const { method, url, status_code, body } = handlerData.xhr.__sentry_xhr__ || {}; + + getCurrentHub().addBreadcrumb( + { + category: 'xhr', + data: { + method, + url, + status_code, + }, + type: 'http', + }, + { + xhr: handlerData.xhr, + input: body, + }, + ); + + return; + } + } + + /** + * Creates breadcrumbs from fetch API calls + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _fetchBreadcrumb(handlerData) { + // We only capture complete fetch requests + if (!handlerData.endTimestamp) { + return; + } + + if (handlerData.fetchData.url.match(/sentry_key/) && handlerData.fetchData.method === 'POST') { + // We will not create breadcrumbs for fetch requests that contain `sentry_key` (internal sentry requests) + return; + } + + if (handlerData.error) { + getCurrentHub().addBreadcrumb( + { + category: 'fetch', + data: handlerData.fetchData, + level: 'error', + type: 'http', + }, + { + data: handlerData.error, + input: handlerData.args, + }, + ); + } else { + getCurrentHub().addBreadcrumb( + { + category: 'fetch', + data: { + ...handlerData.fetchData, + status_code: handlerData.response.status, + }, + type: 'http', + }, + { + input: handlerData.args, + response: handlerData.response, + }, + ); + } + } + + /** + * Creates breadcrumbs from history API calls + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _historyBreadcrumb(handlerData) { + let from = handlerData.from; + let to = handlerData.to; + const parsedLoc = parseUrl(WINDOW$1.location.href); + let parsedFrom = parseUrl(from); + const parsedTo = parseUrl(to); + + // Initial pushState doesn't provide `from` information + if (!parsedFrom.path) { + parsedFrom = parsedLoc; + } + + // Use only the path component of the URL if the URL matches the current + // document (almost all the time when using pushState) + if (parsedLoc.protocol === parsedTo.protocol && parsedLoc.host === parsedTo.host) { + to = parsedTo.relative; + } + if (parsedLoc.protocol === parsedFrom.protocol && parsedLoc.host === parsedFrom.host) { + from = parsedFrom.relative; + } + + getCurrentHub().addBreadcrumb({ + category: 'navigation', + data: { + from, + to, + }, + }); + } + + /** + * The Sentry Browser SDK Client. + * + * @see BrowserOptions for documentation on configuration options. + * @see SentryClient for usage documentation. + */ + class BrowserClient$1 extends BaseClient { + /** + * Creates a new Browser SDK instance. + * + * @param options Configuration options for this SDK. + */ + constructor(options) { + options._metadata = options._metadata || {}; + options._metadata.sdk = options._metadata.sdk || { + name: 'sentry.javascript.browser', + packages: [ + { + name: 'npm:@sentry/browser', + version: SDK_VERSION, + }, + ], + version: SDK_VERSION, + }; + + super(options); + + if (options.sendClientReports && WINDOW$1.document) { + WINDOW$1.document.addEventListener('visibilitychange', () => { + if (WINDOW$1.document.visibilityState === 'hidden') { + this._flushOutcomes(); + } + }); + } + } + + /** + * @inheritDoc + */ + eventFromException(exception, hint) { + return eventFromException(this._options.stackParser, exception, hint, this._options.attachStacktrace); + } + + /** + * @inheritDoc + */ + eventFromMessage( + message, + // eslint-disable-next-line deprecation/deprecation + level = 'info', + hint, + ) { + return eventFromMessage(this._options.stackParser, message, level, hint, this._options.attachStacktrace); + } + + /** + * @inheritDoc + */ + sendEvent(event, hint) { + // We only want to add the sentry event breadcrumb when the user has the breadcrumb integration installed and + // activated its `sentry` option. + // We also do not want to use the `Breadcrumbs` class here directly, because we do not want it to be included in + // bundles, if it is not used by the SDK. + // This all sadly is a bit ugly, but we currently don't have a "pre-send" hook on the integrations so we do it this + // way for now. + const breadcrumbIntegration = this.getIntegrationById(BREADCRUMB_INTEGRATION_ID) ; + if ( + breadcrumbIntegration && + // We check for definedness of `options`, even though it is not strictly necessary, because that access to + // `.sentry` below does not throw, in case users provided their own integration with id "Breadcrumbs" that does + // not have an`options` field + breadcrumbIntegration.options && + breadcrumbIntegration.options.sentry + ) { + getCurrentHub().addBreadcrumb( + { + category: `sentry.${event.type === 'transaction' ? 'transaction' : 'event'}`, + event_id: event.event_id, + level: event.level, + message: getEventDescription(event), + }, + { + event, + }, + ); + } + + super.sendEvent(event, hint); + } + + /** + * @inheritDoc + */ + _prepareEvent(event, hint, scope) { + event.platform = event.platform || 'javascript'; + return super._prepareEvent(event, hint, scope); + } + + /** + * Sends client reports as an envelope. + */ + _flushOutcomes() { + const outcomes = this._clearOutcomes(); + + if (outcomes.length === 0) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('No outcomes to send'); + return; + } + + if (!this._dsn) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('No dsn provided, will not send outcomes'); + return; + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Sending outcomes:', outcomes); + + const url = getEnvelopeEndpointWithUrlEncodedAuth(this._dsn, this._options); + const envelope = createClientReportEnvelope(outcomes, this._options.tunnel && dsnToString(this._dsn)); + + try { + const isRealNavigator = Object.prototype.toString.call(WINDOW$1 && WINDOW$1.navigator) === '[object Navigator]'; + const hasSendBeacon = isRealNavigator && typeof WINDOW$1.navigator.sendBeacon === 'function'; + // Make sure beacon is not used if user configures custom transport options + if (hasSendBeacon && !this._options.transportOptions) { + // Prevent illegal invocations - https://xgwang.me/posts/you-may-not-know-beacon/#it-may-throw-error%2C-be-sure-to-catch + const sendBeacon = WINDOW$1.navigator.sendBeacon.bind(WINDOW$1.navigator); + sendBeacon(url, serializeEnvelope(envelope)); + } else { + // If beacon is not supported or if they are using the tunnel option + // use our regular transport to send client reports to Sentry. + this._sendEnvelope(envelope); + } + } catch (e) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error(e); + } + } + } + + let cachedFetchImpl = undefined; + + /** + * A special usecase for incorrectly wrapped Fetch APIs in conjunction with ad-blockers. + * Whenever someone wraps the Fetch API and returns the wrong promise chain, + * this chain becomes orphaned and there is no possible way to capture it's rejections + * other than allowing it bubble up to this very handler. eg. + * + * const f = window.fetch; + * window.fetch = function () { + * const p = f.apply(this, arguments); + * + * p.then(function() { + * console.log('hi.'); + * }); + * + * return p; + * } + * + * `p.then(function () { ... })` is producing a completely separate promise chain, + * however, what's returned is `p` - the result of original `fetch` call. + * + * This mean, that whenever we use the Fetch API to send our own requests, _and_ + * some ad-blocker blocks it, this orphaned chain will _always_ reject, + * effectively causing another event to be captured. + * This makes a whole process become an infinite loop, which we need to somehow + * deal with, and break it in one way or another. + * + * To deal with this issue, we are making sure that we _always_ use the real + * browser Fetch API, instead of relying on what `window.fetch` exposes. + * The only downside to this would be missing our own requests as breadcrumbs, + * but because we are already not doing this, it should be just fine. + * + * Possible failed fetch error messages per-browser: + * + * Chrome: Failed to fetch + * Edge: Failed to Fetch + * Firefox: NetworkError when attempting to fetch resource + * Safari: resource blocked by content blocker + */ + function getNativeFetchImplementation() { + if (cachedFetchImpl) { + return cachedFetchImpl; + } + + /* eslint-disable @typescript-eslint/unbound-method */ + + // Fast path to avoid DOM I/O + if (isNativeFetch(WINDOW$1.fetch)) { + return (cachedFetchImpl = WINDOW$1.fetch.bind(WINDOW$1)); + } + + const document = WINDOW$1.document; + let fetchImpl = WINDOW$1.fetch; + // eslint-disable-next-line deprecation/deprecation + if (document && typeof document.createElement === 'function') { + try { + const sandbox = document.createElement('iframe'); + sandbox.hidden = true; + document.head.appendChild(sandbox); + const contentWindow = sandbox.contentWindow; + if (contentWindow && contentWindow.fetch) { + fetchImpl = contentWindow.fetch; + } + document.head.removeChild(sandbox); + } catch (e) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn('Could not create sandbox iframe for pure fetch check, bailing to window.fetch: ', e); + } + } + + return (cachedFetchImpl = fetchImpl.bind(WINDOW$1)); + /* eslint-enable @typescript-eslint/unbound-method */ + } + + /** Clears cached fetch impl */ + function clearCachedFetchImplementation() { + cachedFetchImpl = undefined; + } + + /** + * Creates a Transport that uses the Fetch API to send events to Sentry. + */ + function makeFetchTransport( + options, + nativeFetch = getNativeFetchImplementation(), + ) { + function makeRequest(request) { + const requestOptions = { + body: request.body, + method: 'POST', + referrerPolicy: 'origin', + headers: options.headers, + // Outgoing requests are usually cancelled when navigating to a different page, causing a "TypeError: Failed to + // fetch" error and sending a "network_error" client-outcome - in Chrome, the request status shows "(cancelled)". + // The `keepalive` flag keeps outgoing requests alive, even when switching pages. We want this since we're + // frequently sending events right before the user is switching pages (eg. whenfinishing navigation transactions). + // Gotchas: + // - `keepalive` isn't supported by Firefox + // - As per spec (https://fetch.spec.whatwg.org/#http-network-or-cache-fetch), a request with `keepalive: true` + // and a content length of > 64 kibibytes returns a network error. We will therefore only activate the flag when + // we're below that limit. + keepalive: request.body.length <= 65536, + ...options.fetchOptions, + }; + + try { + return nativeFetch(options.url, requestOptions).then(response => ({ + statusCode: response.status, + headers: { + 'x-sentry-rate-limits': response.headers.get('X-Sentry-Rate-Limits'), + 'retry-after': response.headers.get('Retry-After'), + }, + })); + } catch (e) { + clearCachedFetchImplementation(); + return rejectedSyncPromise(e); + } + } + + return createTransport(options, makeRequest); + } + + /** + * The DONE ready state for XmlHttpRequest + * + * Defining it here as a constant b/c XMLHttpRequest.DONE is not always defined + * (e.g. during testing, it is `undefined`) + * + * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/readyState} + */ + const XHR_READYSTATE_DONE = 4; + + /** + * Creates a Transport that uses the XMLHttpRequest API to send events to Sentry. + */ + function makeXHRTransport(options) { + function makeRequest(request) { + return new SyncPromise((resolve, reject) => { + const xhr = new XMLHttpRequest(); + + xhr.onerror = reject; + + xhr.onreadystatechange = () => { + if (xhr.readyState === XHR_READYSTATE_DONE) { + resolve({ + statusCode: xhr.status, + headers: { + 'x-sentry-rate-limits': xhr.getResponseHeader('X-Sentry-Rate-Limits'), + 'retry-after': xhr.getResponseHeader('Retry-After'), + }, + }); + } + }; + + xhr.open('POST', options.url); + + for (const header in options.headers) { + if (Object.prototype.hasOwnProperty.call(options.headers, header)) { + xhr.setRequestHeader(header, options.headers[header]); + } + } + + xhr.send(request.body); + }); + } + + return createTransport(options, makeRequest); + } + + // global reference to slice + const UNKNOWN_FUNCTION = '?'; + + const OPERA10_PRIORITY = 10; + const OPERA11_PRIORITY = 20; + const CHROME_PRIORITY = 30; + const WINJS_PRIORITY = 40; + const GECKO_PRIORITY = 50; + + function createFrame(filename, func, lineno, colno) { + const frame = { + filename, + function: func, + // All browser frames are considered in_app + in_app: true, + }; + + if (lineno !== undefined) { + frame.lineno = lineno; + } + + if (colno !== undefined) { + frame.colno = colno; + } + + return frame; + } + + // Chromium based browsers: Chrome, Brave, new Opera, new Edge + const chromeRegex = + /^\s*at (?:(.*\).*?|.*?) ?\((?:address at )?)?((?:file|https?|blob|chrome-extension|address|native|eval|webpack||[-a-z]+:|.*bundle|\/)?.*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i; + const chromeEvalRegex = /\((\S*)(?::(\d+))(?::(\d+))\)/; + + const chrome = line => { + const parts = chromeRegex.exec(line); + + if (parts) { + const isEval = parts[2] && parts[2].indexOf('eval') === 0; // start of line + + if (isEval) { + const subMatch = chromeEvalRegex.exec(parts[2]); + + if (subMatch) { + // throw out eval line/column and use top-most line/column number + parts[2] = subMatch[1]; // url + parts[3] = subMatch[2]; // line + parts[4] = subMatch[3]; // column + } + } + + // Kamil: One more hack won't hurt us right? Understanding and adding more rules on top of these regexps right now + // would be way too time consuming. (TODO: Rewrite whole RegExp to be more readable) + const [func, filename] = extractSafariExtensionDetails(parts[1] || UNKNOWN_FUNCTION, parts[2]); + + return createFrame(filename, func, parts[3] ? +parts[3] : undefined, parts[4] ? +parts[4] : undefined); + } + + return; + }; + + const chromeStackLineParser = [CHROME_PRIORITY, chrome]; + + // gecko regex: `(?:bundle|\d+\.js)`: `bundle` is for react native, `\d+\.js` also but specifically for ram bundles because it + // generates filenames without a prefix like `file://` the filenames in the stacktrace are just 42.js + // We need this specific case for now because we want no other regex to match. + const geckoREgex = + /^\s*(.*?)(?:\((.*?)\))?(?:^|@)?((?:file|https?|blob|chrome|webpack|resource|moz-extension|safari-extension|safari-web-extension|capacitor)?:\/.*?|\[native code\]|[^@]*(?:bundle|\d+\.js)|\/[\w\-. /=]+)(?::(\d+))?(?::(\d+))?\s*$/i; + const geckoEvalRegex = /(\S+) line (\d+)(?: > eval line \d+)* > eval/i; + + const gecko = line => { + const parts = geckoREgex.exec(line); + + if (parts) { + const isEval = parts[3] && parts[3].indexOf(' > eval') > -1; + if (isEval) { + const subMatch = geckoEvalRegex.exec(parts[3]); + + if (subMatch) { + // throw out eval line/column and use top-most line number + parts[1] = parts[1] || 'eval'; + parts[3] = subMatch[1]; + parts[4] = subMatch[2]; + parts[5] = ''; // no column when eval + } + } + + let filename = parts[3]; + let func = parts[1] || UNKNOWN_FUNCTION; + [func, filename] = extractSafariExtensionDetails(func, filename); + + return createFrame(filename, func, parts[4] ? +parts[4] : undefined, parts[5] ? +parts[5] : undefined); + } + + return; + }; + + const geckoStackLineParser = [GECKO_PRIORITY, gecko]; + + const winjsRegex = + /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:file|ms-appx|https?|webpack|blob):.*?):(\d+)(?::(\d+))?\)?\s*$/i; + + const winjs = line => { + const parts = winjsRegex.exec(line); + + return parts + ? createFrame(parts[2], parts[1] || UNKNOWN_FUNCTION, +parts[3], parts[4] ? +parts[4] : undefined) + : undefined; + }; + + const winjsStackLineParser = [WINJS_PRIORITY, winjs]; + + const opera10Regex = / line (\d+).*script (?:in )?(\S+)(?:: in function (\S+))?$/i; + + const opera10 = line => { + const parts = opera10Regex.exec(line); + return parts ? createFrame(parts[2], parts[3] || UNKNOWN_FUNCTION, +parts[1]) : undefined; + }; + + const opera10StackLineParser = [OPERA10_PRIORITY, opera10]; + + const opera11Regex = + / line (\d+), column (\d+)\s*(?:in (?:]+)>|([^)]+))\(.*\))? in (.*):\s*$/i; + + const opera11 = line => { + const parts = opera11Regex.exec(line); + return parts ? createFrame(parts[5], parts[3] || parts[4] || UNKNOWN_FUNCTION, +parts[1], +parts[2]) : undefined; + }; + + const opera11StackLineParser = [OPERA11_PRIORITY, opera11]; + + const defaultStackLineParsers = [chromeStackLineParser, geckoStackLineParser, winjsStackLineParser]; + + const defaultStackParser = createStackParser(...defaultStackLineParsers); + + /** + * Safari web extensions, starting version unknown, can produce "frames-only" stacktraces. + * What it means, is that instead of format like: + * + * Error: wat + * at function@url:row:col + * at function@url:row:col + * at function@url:row:col + * + * it produces something like: + * + * function@url:row:col + * function@url:row:col + * function@url:row:col + * + * Because of that, it won't be captured by `chrome` RegExp and will fall into `Gecko` branch. + * This function is extracted so that we can use it in both places without duplicating the logic. + * Unfortunately "just" changing RegExp is too complicated now and making it pass all tests + * and fix this case seems like an impossible, or at least way too time-consuming task. + */ + const extractSafariExtensionDetails = (func, filename) => { + const isSafariExtension = func.indexOf('safari-extension') !== -1; + const isSafariWebExtension = func.indexOf('safari-web-extension') !== -1; + + return isSafariExtension || isSafariWebExtension + ? [ + func.indexOf('@') !== -1 ? func.split('@')[0] : UNKNOWN_FUNCTION, + isSafariExtension ? `safari-extension:${filename}` : `safari-web-extension:${filename}`, + ] + : [func, filename]; + }; + + /* eslint-disable @typescript-eslint/no-unsafe-member-access */ + + /** Global handlers */ + class GlobalHandlers { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'GlobalHandlers';} + + /** + * @inheritDoc + */ + __init() {this.name = GlobalHandlers.id;} + + /** JSDoc */ + + /** + * Stores references functions to installing handlers. Will set to undefined + * after they have been run so that they are not used twice. + */ + __init2() {this._installFunc = { + onerror: _installGlobalOnErrorHandler, + onunhandledrejection: _installGlobalOnUnhandledRejectionHandler, + };} + + /** JSDoc */ + constructor(options) {GlobalHandlers.prototype.__init.call(this);GlobalHandlers.prototype.__init2.call(this); + this._options = { + onerror: true, + onunhandledrejection: true, + ...options, + }; + } + /** + * @inheritDoc + */ + setupOnce() { + Error.stackTraceLimit = 50; + const options = this._options; + + // We can disable guard-for-in as we construct the options object above + do checks against + // `this._installFunc` for the property. + // eslint-disable-next-line guard-for-in + for (const key in options) { + const installFunc = this._installFunc[key ]; + if (installFunc && options[key ]) { + globalHandlerLog(key); + installFunc(); + this._installFunc[key ] = undefined; + } + } + } + } GlobalHandlers.__initStatic(); + + /** JSDoc */ + function _installGlobalOnErrorHandler() { + addInstrumentationHandler( + 'error', + // eslint-disable-next-line @typescript-eslint/no-explicit-any + (data) => { + const [hub, stackParser, attachStacktrace] = getHubAndOptions(); + if (!hub.getIntegration(GlobalHandlers)) { + return; + } + const { msg, url, line, column, error } = data; + if (shouldIgnoreOnError() || (error && error.__sentry_own_request__)) { + return; + } + + const event = + error === undefined && isString$2(msg) + ? _eventFromIncompleteOnError(msg, url, line, column) + : _enhanceEventWithInitialFrame( + eventFromUnknownInput(stackParser, error || msg, undefined, attachStacktrace, false), + url, + line, + column, + ); + + event.level = 'error'; + + addMechanismAndCapture(hub, error, event, 'onerror'); + }, + ); + } + + /** JSDoc */ + function _installGlobalOnUnhandledRejectionHandler() { + addInstrumentationHandler( + 'unhandledrejection', + // eslint-disable-next-line @typescript-eslint/no-explicit-any + (e) => { + const [hub, stackParser, attachStacktrace] = getHubAndOptions(); + if (!hub.getIntegration(GlobalHandlers)) { + return; + } + let error = e; + + // dig the object of the rejection out of known event types + try { + // PromiseRejectionEvents store the object of the rejection under 'reason' + // see https://developer.mozilla.org/en-US/docs/Web/API/PromiseRejectionEvent + if ('reason' in e) { + error = e.reason; + } + // something, somewhere, (likely a browser extension) effectively casts PromiseRejectionEvents + // to CustomEvents, moving the `promise` and `reason` attributes of the PRE into + // the CustomEvent's `detail` attribute, since they're not part of CustomEvent's spec + // see https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent and + // https://github.com/getsentry/sentry-javascript/issues/2380 + else if ('detail' in e && 'reason' in e.detail) { + error = e.detail.reason; + } + } catch (_oO) { + // no-empty + } + + if (shouldIgnoreOnError() || (error && error.__sentry_own_request__)) { + return true; + } + + const event = isPrimitive$1(error) + ? _eventFromRejectionWithPrimitive(error) + : eventFromUnknownInput(stackParser, error, undefined, attachStacktrace, true); + + event.level = 'error'; + + addMechanismAndCapture(hub, error, event, 'onunhandledrejection'); + return; + }, + ); + } + + /** + * Create an event from a promise rejection where the `reason` is a primitive. + * + * @param reason: The `reason` property of the promise rejection + * @returns An Event object with an appropriate `exception` value + */ + function _eventFromRejectionWithPrimitive(reason) { + return { + exception: { + values: [ + { + type: 'UnhandledRejection', + // String() is needed because the Primitive type includes symbols (which can't be automatically stringified) + value: `Non-Error promise rejection captured with value: ${String(reason)}`, + }, + ], + }, + }; + } + + /** + * This function creates a stack from an old, error-less onerror handler. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _eventFromIncompleteOnError(msg, url, line, column) { + const ERROR_TYPES_RE = + /^(?:[Uu]ncaught (?:exception: )?)?(?:((?:Eval|Internal|Range|Reference|Syntax|Type|URI|)Error): )?(.*)$/i; + + // If 'message' is ErrorEvent, get real message from inside + let message = isErrorEvent(msg) ? msg.message : msg; + let name = 'Error'; + + const groups = message.match(ERROR_TYPES_RE); + if (groups) { + name = groups[1]; + message = groups[2]; + } + + const event = { + exception: { + values: [ + { + type: name, + value: message, + }, + ], + }, + }; + + return _enhanceEventWithInitialFrame(event, url, line, column); + } + + /** JSDoc */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _enhanceEventWithInitialFrame(event, url, line, column) { + // event.exception + const e = (event.exception = event.exception || {}); + // event.exception.values + const ev = (e.values = e.values || []); + // event.exception.values[0] + const ev0 = (ev[0] = ev[0] || {}); + // event.exception.values[0].stacktrace + const ev0s = (ev0.stacktrace = ev0.stacktrace || {}); + // event.exception.values[0].stacktrace.frames + const ev0sf = (ev0s.frames = ev0s.frames || []); + + const colno = isNaN(parseInt(column, 10)) ? undefined : column; + const lineno = isNaN(parseInt(line, 10)) ? undefined : line; + const filename = isString$2(url) && url.length > 0 ? url : getLocationHref(); + + // event.exception.values[0].stacktrace.frames + if (ev0sf.length === 0) { + ev0sf.push({ + colno, + filename, + function: '?', + in_app: true, + lineno, + }); + } + + return event; + } + + function globalHandlerLog(type) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`Global Handler attached: ${type}`); + } + + function addMechanismAndCapture(hub, error, event, type) { + addExceptionMechanism(event, { + handled: false, + type, + }); + hub.captureEvent(event, { + originalException: error, + }); + } + + function getHubAndOptions() { + const hub = getCurrentHub(); + const client = hub.getClient(); + const options = (client && client.getOptions()) || { + stackParser: () => [], + attachStacktrace: false, + }; + return [hub, options.stackParser, options.attachStacktrace]; + } + + const DEFAULT_EVENT_TARGET = [ + 'EventTarget', + 'Window', + 'Node', + 'ApplicationCache', + 'AudioTrackList', + 'ChannelMergerNode', + 'CryptoOperation', + 'EventSource', + 'FileReader', + 'HTMLUnknownElement', + 'IDBDatabase', + 'IDBRequest', + 'IDBTransaction', + 'KeyOperation', + 'MediaController', + 'MessagePort', + 'ModalWindow', + 'Notification', + 'SVGElementInstance', + 'Screen', + 'TextTrack', + 'TextTrackCue', + 'TextTrackList', + 'WebSocket', + 'WebSocketWorker', + 'Worker', + 'XMLHttpRequest', + 'XMLHttpRequestEventTarget', + 'XMLHttpRequestUpload', + ]; + + /** Wrap timer functions and event targets to catch errors and provide better meta data */ + class TryCatch { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'TryCatch';} + + /** + * @inheritDoc + */ + __init() {this.name = TryCatch.id;} + + /** JSDoc */ + + /** + * @inheritDoc + */ + constructor(options) {TryCatch.prototype.__init.call(this); + this._options = { + XMLHttpRequest: true, + eventTarget: true, + requestAnimationFrame: true, + setInterval: true, + setTimeout: true, + ...options, + }; + } + + /** + * Wrap timer functions and event targets to catch errors + * and provide better metadata. + */ + setupOnce() { + if (this._options.setTimeout) { + fill(WINDOW$1, 'setTimeout', _wrapTimeFunction); + } + + if (this._options.setInterval) { + fill(WINDOW$1, 'setInterval', _wrapTimeFunction); + } + + if (this._options.requestAnimationFrame) { + fill(WINDOW$1, 'requestAnimationFrame', _wrapRAF); + } + + if (this._options.XMLHttpRequest && 'XMLHttpRequest' in WINDOW$1) { + fill(XMLHttpRequest.prototype, 'send', _wrapXHR); + } + + const eventTargetOption = this._options.eventTarget; + if (eventTargetOption) { + const eventTarget = Array.isArray(eventTargetOption) ? eventTargetOption : DEFAULT_EVENT_TARGET; + eventTarget.forEach(_wrapEventTarget); + } + } + } TryCatch.__initStatic(); + + /** JSDoc */ + function _wrapTimeFunction(original) { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + return function ( ...args) { + const originalCallback = args[0]; + args[0] = wrap$2(originalCallback, { + mechanism: { + data: { function: getFunctionName(original) }, + handled: true, + type: 'instrument', + }, + }); + return original.apply(this, args); + }; + } + + /** JSDoc */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _wrapRAF(original) { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + return function ( callback) { + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + return original.apply(this, [ + wrap$2(callback, { + mechanism: { + data: { + function: 'requestAnimationFrame', + handler: getFunctionName(original), + }, + handled: true, + type: 'instrument', + }, + }), + ]); + }; + } + + /** JSDoc */ + function _wrapXHR(originalSend) { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + return function ( ...args) { + // eslint-disable-next-line @typescript-eslint/no-this-alias + const xhr = this; + const xmlHttpRequestProps = ['onload', 'onerror', 'onprogress', 'onreadystatechange']; + + xmlHttpRequestProps.forEach(prop => { + if (prop in xhr && typeof xhr[prop] === 'function') { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + fill(xhr, prop, function (original) { + const wrapOptions = { + mechanism: { + data: { + function: prop, + handler: getFunctionName(original), + }, + handled: true, + type: 'instrument', + }, + }; + + // If Instrument integration has been called before TryCatch, get the name of original function + const originalFunction = getOriginalFunction(original); + if (originalFunction) { + wrapOptions.mechanism.data.handler = getFunctionName(originalFunction); + } + + // Otherwise wrap directly + return wrap$2(original, wrapOptions); + }); + } + }); + + return originalSend.apply(this, args); + }; + } + + /** JSDoc */ + function _wrapEventTarget(target) { + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const globalObject = WINDOW$1 ; + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + const proto = globalObject[target] && globalObject[target].prototype; + + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, no-prototype-builtins + if (!proto || !proto.hasOwnProperty || !proto.hasOwnProperty('addEventListener')) { + return; + } + + fill(proto, 'addEventListener', function (original) + + { + return function ( + // eslint-disable-next-line @typescript-eslint/no-explicit-any + + eventName, + fn, + options, + ) { + try { + if (typeof fn.handleEvent === 'function') { + // ESlint disable explanation: + // First, it is generally safe to call `wrap` with an unbound function. Furthermore, using `.bind()` would + // introduce a bug here, because bind returns a new function that doesn't have our + // flags(like __sentry_original__) attached. `wrap` checks for those flags to avoid unnecessary wrapping. + // Without those flags, every call to addEventListener wraps the function again, causing a memory leak. + // eslint-disable-next-line @typescript-eslint/unbound-method + fn.handleEvent = wrap$2(fn.handleEvent, { + mechanism: { + data: { + function: 'handleEvent', + handler: getFunctionName(fn), + target, + }, + handled: true, + type: 'instrument', + }, + }); + } + } catch (err) { + // can sometimes get 'Permission denied to access property "handle Event' + } + + return original.apply(this, [ + eventName, + // eslint-disable-next-line @typescript-eslint/no-explicit-any + wrap$2(fn , { + mechanism: { + data: { + function: 'addEventListener', + handler: getFunctionName(fn), + target, + }, + handled: true, + type: 'instrument', + }, + }), + options, + ]); + }; + }); + + fill( + proto, + 'removeEventListener', + function ( + originalRemoveEventListener, + // eslint-disable-next-line @typescript-eslint/no-explicit-any + ) { + return function ( + // eslint-disable-next-line @typescript-eslint/no-explicit-any + + eventName, + fn, + options, + ) { + /** + * There are 2 possible scenarios here: + * + * 1. Someone passes a callback, which was attached prior to Sentry initialization, or by using unmodified + * method, eg. `document.addEventListener.call(el, name, handler). In this case, we treat this function + * as a pass-through, and call original `removeEventListener` with it. + * + * 2. Someone passes a callback, which was attached after Sentry was initialized, which means that it was using + * our wrapped version of `addEventListener`, which internally calls `wrap` helper. + * This helper "wraps" whole callback inside a try/catch statement, and attached appropriate metadata to it, + * in order for us to make a distinction between wrapped/non-wrapped functions possible. + * If a function was wrapped, it has additional property of `__sentry_wrapped__`, holding the handler. + * + * When someone adds a handler prior to initialization, and then do it again, but after, + * then we have to detach both of them. Otherwise, if we'd detach only wrapped one, it'd be impossible + * to get rid of the initial handler and it'd stick there forever. + */ + const wrappedEventHandler = fn ; + try { + const originalEventHandler = wrappedEventHandler && wrappedEventHandler.__sentry_wrapped__; + if (originalEventHandler) { + originalRemoveEventListener.call(this, eventName, originalEventHandler, options); + } + } catch (e) { + // ignore, accessing __sentry_wrapped__ will throw in some Selenium environments + } + return originalRemoveEventListener.call(this, eventName, wrappedEventHandler, options); + }; + }, + ); + } + + const DEFAULT_KEY = 'cause'; + const DEFAULT_LIMIT = 5; + + /** Adds SDK info to an event. */ + class LinkedErrors { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'LinkedErrors';} + + /** + * @inheritDoc + */ + __init() {this.name = LinkedErrors.id;} + + /** + * @inheritDoc + */ + + /** + * @inheritDoc + */ + + /** + * @inheritDoc + */ + constructor(options = {}) {LinkedErrors.prototype.__init.call(this); + this._key = options.key || DEFAULT_KEY; + this._limit = options.limit || DEFAULT_LIMIT; + } + + /** + * @inheritDoc + */ + setupOnce() { + const client = getCurrentHub().getClient(); + if (!client) { + return; + } + addGlobalEventProcessor((event, hint) => { + const self = getCurrentHub().getIntegration(LinkedErrors); + return self ? _handler(client.getOptions().stackParser, self._key, self._limit, event, hint) : event; + }); + } + } LinkedErrors.__initStatic(); + + /** + * @inheritDoc + */ + function _handler( + parser, + key, + limit, + event, + hint, + ) { + if (!event.exception || !event.exception.values || !hint || !isInstanceOf(hint.originalException, Error)) { + return event; + } + const linkedErrors = _walkErrorTree(parser, limit, hint.originalException , key); + event.exception.values = [...linkedErrors, ...event.exception.values]; + return event; + } + + /** + * JSDOC + */ + function _walkErrorTree( + parser, + limit, + error, + key, + stack = [], + ) { + if (!isInstanceOf(error[key], Error) || stack.length + 1 >= limit) { + return stack; + } + const exception = exceptionFromError(parser, error[key]); + return _walkErrorTree(parser, limit, error[key], key, [exception, ...stack]); + } + + /** HttpContext integration collects information about HTTP request headers */ + class HttpContext {constructor() { HttpContext.prototype.__init.call(this); } + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'HttpContext';} + + /** + * @inheritDoc + */ + __init() {this.name = HttpContext.id;} + + /** + * @inheritDoc + */ + setupOnce() { + addGlobalEventProcessor((event) => { + if (getCurrentHub().getIntegration(HttpContext)) { + // if none of the information we want exists, don't bother + if (!WINDOW$1.navigator && !WINDOW$1.location && !WINDOW$1.document) { + return event; + } + + // grab as much info as exists and add it to the event + const url = (event.request && event.request.url) || (WINDOW$1.location && WINDOW$1.location.href); + const { referrer } = WINDOW$1.document || {}; + const { userAgent } = WINDOW$1.navigator || {}; + + const headers = { + ...(event.request && event.request.headers), + ...(referrer && { Referer: referrer }), + ...(userAgent && { 'User-Agent': userAgent }), + }; + const request = { ...(url && { url }), headers }; + + return { ...event, request }; + } + return event; + }); + } + } HttpContext.__initStatic(); + + /** Deduplication filter */ + class Dedupe {constructor() { Dedupe.prototype.__init.call(this); } + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Dedupe';} + + /** + * @inheritDoc + */ + __init() {this.name = Dedupe.id;} + + /** + * @inheritDoc + */ + + /** + * @inheritDoc + */ + setupOnce(addGlobalEventProcessor, getCurrentHub) { + const eventProcessor = currentEvent => { + const self = getCurrentHub().getIntegration(Dedupe); + if (self) { + // Juuust in case something goes wrong + try { + if (_shouldDropEvent(currentEvent, self._previousEvent)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Event dropped due to being a duplicate of previously captured event.'); + return null; + } + } catch (_oO) { + return (self._previousEvent = currentEvent); + } + + return (self._previousEvent = currentEvent); + } + return currentEvent; + }; + + eventProcessor.id = this.name; + addGlobalEventProcessor(eventProcessor); + } + } Dedupe.__initStatic(); + + /** JSDoc */ + function _shouldDropEvent(currentEvent, previousEvent) { + if (!previousEvent) { + return false; + } + + if (_isSameMessageEvent(currentEvent, previousEvent)) { + return true; + } + + if (_isSameExceptionEvent(currentEvent, previousEvent)) { + return true; + } + + return false; + } + + /** JSDoc */ + function _isSameMessageEvent(currentEvent, previousEvent) { + const currentMessage = currentEvent.message; + const previousMessage = previousEvent.message; + + // If neither event has a message property, they were both exceptions, so bail out + if (!currentMessage && !previousMessage) { + return false; + } + + // If only one event has a stacktrace, but not the other one, they are not the same + if ((currentMessage && !previousMessage) || (!currentMessage && previousMessage)) { + return false; + } + + if (currentMessage !== previousMessage) { + return false; + } + + if (!_isSameFingerprint(currentEvent, previousEvent)) { + return false; + } + + if (!_isSameStacktrace(currentEvent, previousEvent)) { + return false; + } + + return true; + } + + /** JSDoc */ + function _isSameExceptionEvent(currentEvent, previousEvent) { + const previousException = _getExceptionFromEvent(previousEvent); + const currentException = _getExceptionFromEvent(currentEvent); + + if (!previousException || !currentException) { + return false; + } + + if (previousException.type !== currentException.type || previousException.value !== currentException.value) { + return false; + } + + if (!_isSameFingerprint(currentEvent, previousEvent)) { + return false; + } + + if (!_isSameStacktrace(currentEvent, previousEvent)) { + return false; + } + + return true; + } + + /** JSDoc */ + function _isSameStacktrace(currentEvent, previousEvent) { + let currentFrames = _getFramesFromEvent(currentEvent); + let previousFrames = _getFramesFromEvent(previousEvent); + + // If neither event has a stacktrace, they are assumed to be the same + if (!currentFrames && !previousFrames) { + return true; + } + + // If only one event has a stacktrace, but not the other one, they are not the same + if ((currentFrames && !previousFrames) || (!currentFrames && previousFrames)) { + return false; + } + + currentFrames = currentFrames ; + previousFrames = previousFrames ; + + // If number of frames differ, they are not the same + if (previousFrames.length !== currentFrames.length) { + return false; + } + + // Otherwise, compare the two + for (let i = 0; i < previousFrames.length; i++) { + const frameA = previousFrames[i]; + const frameB = currentFrames[i]; + + if ( + frameA.filename !== frameB.filename || + frameA.lineno !== frameB.lineno || + frameA.colno !== frameB.colno || + frameA.function !== frameB.function + ) { + return false; + } + } + + return true; + } + + /** JSDoc */ + function _isSameFingerprint(currentEvent, previousEvent) { + let currentFingerprint = currentEvent.fingerprint; + let previousFingerprint = previousEvent.fingerprint; + + // If neither event has a fingerprint, they are assumed to be the same + if (!currentFingerprint && !previousFingerprint) { + return true; + } + + // If only one event has a fingerprint, but not the other one, they are not the same + if ((currentFingerprint && !previousFingerprint) || (!currentFingerprint && previousFingerprint)) { + return false; + } + + currentFingerprint = currentFingerprint ; + previousFingerprint = previousFingerprint ; + + // Otherwise, compare the two + try { + return !!(currentFingerprint.join('') === previousFingerprint.join('')); + } catch (_oO) { + return false; + } + } + + /** JSDoc */ + function _getExceptionFromEvent(event) { + return event.exception && event.exception.values && event.exception.values[0]; + } + + /** JSDoc */ + function _getFramesFromEvent(event) { + const exception = event.exception; + + if (exception) { + try { + // @ts-ignore Object could be undefined + return exception.values[0].stacktrace.frames; + } catch (_oO) { + return undefined; + } + } + return undefined; + } + + var index$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + GlobalHandlers: GlobalHandlers, + TryCatch: TryCatch, + Breadcrumbs: Breadcrumbs, + LinkedErrors: LinkedErrors, + HttpContext: HttpContext, + Dedupe: Dedupe + }); + + const defaultIntegrations = [ + new InboundFilters(), + new FunctionToString(), + new TryCatch(), + new Breadcrumbs(), + new GlobalHandlers(), + new LinkedErrors(), + new Dedupe(), + new HttpContext(), + ]; + + /** + * The Sentry Browser SDK Client. + * + * To use this SDK, call the {@link init} function as early as possible when + * loading the web page. To set context information or send manual events, use + * the provided methods. + * + * @example + * + * ``` + * + * import { init } from '@sentry/browser'; + * + * init({ + * dsn: '__DSN__', + * // ... + * }); + * ``` + * + * @example + * ``` + * + * import { configureScope } from '@sentry/browser'; + * configureScope((scope: Scope) => { + * scope.setExtra({ battery: 0.7 }); + * scope.setTag({ user_mode: 'admin' }); + * scope.setUser({ id: '4711' }); + * }); + * ``` + * + * @example + * ``` + * + * import { addBreadcrumb } from '@sentry/browser'; + * addBreadcrumb({ + * message: 'My Breadcrumb', + * // ... + * }); + * ``` + * + * @example + * + * ``` + * + * import * as Sentry from '@sentry/browser'; + * Sentry.captureMessage('Hello, world!'); + * Sentry.captureException(new Error('Good bye')); + * Sentry.captureEvent({ + * message: 'Manual', + * stacktrace: [ + * // ... + * ], + * }); + * ``` + * + * @see {@link BrowserOptions} for documentation on configuration options. + */ + function init$1(options = {}) { + if (options.defaultIntegrations === undefined) { + options.defaultIntegrations = defaultIntegrations; + } + if (options.release === undefined) { + // This supports the variable that sentry-webpack-plugin injects + if (WINDOW$1.SENTRY_RELEASE && WINDOW$1.SENTRY_RELEASE.id) { + options.release = WINDOW$1.SENTRY_RELEASE.id; + } + } + if (options.autoSessionTracking === undefined) { + options.autoSessionTracking = true; + } + if (options.sendClientReports === undefined) { + options.sendClientReports = true; + } + + const clientOptions = { + ...options, + stackParser: stackParserFromStackParserOptions(options.stackParser || defaultStackParser), + integrations: getIntegrationsToSetup(options), + transport: options.transport || (supportsFetch() ? makeFetchTransport : makeXHRTransport), + }; + + initAndBind(BrowserClient$1, clientOptions); + + if (options.autoSessionTracking) { + startSessionTracking(); + } + } + + /** + * Present the user with a report dialog. + * + * @param options Everything is optional, we try to fetch all info need from the global scope. + */ + function showReportDialog(options = {}, hub = getCurrentHub()) { + // doesn't work without a document (React Native) + if (!WINDOW$1.document) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Global document not defined in showReportDialog call'); + return; + } + + const { client, scope } = hub.getStackTop(); + const dsn = options.dsn || (client && client.getDsn()); + if (!dsn) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('DSN not configured for showReportDialog call'); + return; + } + + if (scope) { + options.user = { + ...scope.getUser(), + ...options.user, + }; + } + + if (!options.eventId) { + options.eventId = hub.lastEventId(); + } + + const script = WINDOW$1.document.createElement('script'); + script.async = true; + script.src = getReportDialogEndpoint(dsn, options); + + if (options.onLoad) { + // eslint-disable-next-line @typescript-eslint/unbound-method + script.onload = options.onLoad; + } + + const injectionPoint = WINDOW$1.document.head || WINDOW$1.document.body; + if (injectionPoint) { + injectionPoint.appendChild(script); + } else { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Not injecting report dialog. No injection point found in HTML'); + } + } + + /** + * This is the getter for lastEventId. + * + * @returns The last event id of a captured event. + */ + function lastEventId() { + return getCurrentHub().lastEventId(); + } + + /** + * This function is here to be API compatible with the loader. + * @hidden + */ + function forceLoad() { + // Noop + } + + /** + * This function is here to be API compatible with the loader. + * @hidden + */ + function onLoad(callback) { + callback(); + } + + /** + * Call `flush()` on the current client, if there is one. See {@link Client.flush}. + * + * @param timeout Maximum time in ms the client should wait to flush its event queue. Omitting this parameter will cause + * the client to wait until all events are sent before resolving the promise. + * @returns A promise which resolves to `true` if the queue successfully drains before the timeout, or `false` if it + * doesn't (or if there's no client defined). + */ + function flush(timeout) { + const client = getCurrentHub().getClient(); + if (client) { + return client.flush(timeout); + } + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Cannot flush events. No client defined.'); + return resolvedSyncPromise(false); + } + + /** + * Call `close()` on the current client, if there is one. See {@link Client.close}. + * + * @param timeout Maximum time in ms the client should wait to flush its event queue before shutting down. Omitting this + * parameter will cause the client to wait until all events are sent before disabling itself. + * @returns A promise which resolves to `true` if the queue successfully drains before the timeout, or `false` if it + * doesn't (or if there's no client defined). + */ + function close(timeout) { + const client = getCurrentHub().getClient(); + if (client) { + return client.close(timeout); + } + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Cannot flush events and disable SDK. No client defined.'); + return resolvedSyncPromise(false); + } + + /** + * Wrap code within a try/catch block so the SDK is able to capture errors. + * + * @param fn A function to wrap. + * + * @returns The result of wrapped function call. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function wrap$1(fn) { + return wrap$2(fn)(); + } + + function startSessionOnHub(hub) { + hub.startSession({ ignoreDuration: true }); + hub.captureSession(); + } + + /** + * Enable automatic Session Tracking for the initial page load. + */ + function startSessionTracking() { + if (typeof WINDOW$1.document === 'undefined') { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn('Session tracking in non-browser environment with @sentry/browser is not supported.'); + return; + } + + const hub = getCurrentHub(); + + // The only way for this to be false is for there to be a version mismatch between @sentry/browser (>= 6.0.0) and + // @sentry/hub (< 5.27.0). In the simple case, there won't ever be such a mismatch, because the two packages are + // pinned at the same version in package.json, but there are edge cases where it's possible. See + // https://github.com/getsentry/sentry-javascript/issues/3207 and + // https://github.com/getsentry/sentry-javascript/issues/3234 and + // https://github.com/getsentry/sentry-javascript/issues/3278. + if (!hub.captureSession) { + return; + } + + // The session duration for browser sessions does not track a meaningful + // concept that can be used as a metric. + // Automatically captured sessions are akin to page views, and thus we + // discard their duration. + startSessionOnHub(hub); + + // We want to create a session for every navigation as well + addInstrumentationHandler('history', ({ from, to }) => { + // Don't create an additional session for the initial route or if the location did not change + if (!(from === undefined || from === to)) { + startSessionOnHub(getCurrentHub()); + } + }); + } + + let windowIntegrations = {}; + + // This block is needed to add compatibility with the integrations packages when used with a CDN + if (WINDOW$1.Sentry && WINDOW$1.Sentry.Integrations) { + windowIntegrations = WINDOW$1.Sentry.Integrations; + } + + const INTEGRATIONS = { + ...windowIntegrations, + ...Integrations, + ...index$1, + }; + + var esm$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + Integrations: INTEGRATIONS, + FunctionToString: FunctionToString, + Hub: Hub, + InboundFilters: InboundFilters, + SDK_VERSION: SDK_VERSION, + Scope: Scope, + addBreadcrumb: addBreadcrumb, + addGlobalEventProcessor: addGlobalEventProcessor, + captureEvent: captureEvent, + captureException: captureException, + captureMessage: captureMessage, + configureScope: configureScope, + createTransport: createTransport, + getCurrentHub: getCurrentHub, + getHubFromCarrier: getHubFromCarrier, + makeMain: makeMain, + setContext: setContext, + setExtra: setExtra, + setExtras: setExtras, + setTag: setTag, + setTags: setTags, + setUser: setUser, + startTransaction: startTransaction, + withScope: withScope, + WINDOW: WINDOW$1, + BrowserClient: BrowserClient$1, + makeFetchTransport: makeFetchTransport, + makeXHRTransport: makeXHRTransport, + chromeStackLineParser: chromeStackLineParser, + defaultStackLineParsers: defaultStackLineParsers, + defaultStackParser: defaultStackParser, + geckoStackLineParser: geckoStackLineParser, + opera10StackLineParser: opera10StackLineParser, + opera11StackLineParser: opera11StackLineParser, + winjsStackLineParser: winjsStackLineParser, + close: close, + defaultIntegrations: defaultIntegrations, + flush: flush, + forceLoad: forceLoad, + init: init$1, + lastEventId: lastEventId, + onLoad: onLoad, + showReportDialog: showReportDialog, + wrap: wrap$1, + GlobalHandlers: GlobalHandlers, + TryCatch: TryCatch, + Breadcrumbs: Breadcrumbs, + LinkedErrors: LinkedErrors, + HttpContext: HttpContext, + Dedupe: Dedupe + }); + + var require$$16 = /*@__PURE__*/getAugmentedNamespace(esm$1); + + /** + * Determines if tracing is currently enabled. + * + * Tracing is enabled when at least one of `tracesSampleRate` and `tracesSampler` is defined in the SDK config. + */ + function hasTracingEnabled( + maybeOptions, + ) { + const client = getCurrentHub().getClient(); + const options = maybeOptions || (client && client.getOptions()); + return !!options && ('tracesSampleRate' in options || 'tracesSampler' in options); + } + + /** Grabs active transaction off scope, if any */ + function getActiveTransaction(maybeHub) { + const hub = maybeHub || getCurrentHub(); + const scope = hub.getScope(); + return scope && (scope.getTransaction() ); + } + + /** + * Converts from milliseconds to seconds + * @param time time in ms + */ + function msToSec(time) { + return time / 1000; + } + + /** + * Configures global error listeners + */ + function registerErrorInstrumentation() { + addInstrumentationHandler('error', errorCallback); + addInstrumentationHandler('unhandledrejection', errorCallback); + } + + /** + * If an error or unhandled promise occurs, we mark the active transaction as failed + */ + function errorCallback() { + const activeTransaction = getActiveTransaction(); + if (activeTransaction) { + const status = 'internal_error'; + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] Transaction: ${status} -> Global error occured`); + activeTransaction.setStatus(status); + } + } + + /** + * Keeps track of finished spans for a given transaction + * @internal + * @hideconstructor + * @hidden + */ + class SpanRecorder { + __init() {this.spans = [];} + + constructor(maxlen = 1000) {SpanRecorder.prototype.__init.call(this); + this._maxlen = maxlen; + } + + /** + * This is just so that we don't run out of memory while recording a lot + * of spans. At some point we just stop and flush out the start of the + * trace tree (i.e.the first n spans with the smallest + * start_timestamp). + */ + add(span) { + if (this.spans.length > this._maxlen) { + span.spanRecorder = undefined; + } else { + this.spans.push(span); + } + } + } + + /** + * Span contains all data about a span + */ + class Span { + /** + * @inheritDoc + */ + __init2() {this.traceId = uuid4();} + + /** + * @inheritDoc + */ + __init3() {this.spanId = uuid4().substring(16);} + + /** + * @inheritDoc + */ + + /** + * Internal keeper of the status + */ + + /** + * @inheritDoc + */ + + /** + * Timestamp in seconds when the span was created. + */ + __init4() {this.startTimestamp = timestampWithMs();} + + /** + * Timestamp in seconds when the span ended. + */ + + /** + * @inheritDoc + */ + + /** + * @inheritDoc + */ + + /** + * @inheritDoc + */ + __init5() {this.tags = {};} + + /** + * @inheritDoc + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + __init6() {this.data = {};} + + /** + * List of spans that were finalized + */ + + /** + * @inheritDoc + */ + + /** + * The instrumenter that created this span. + */ + __init7() {this.instrumenter = 'sentry';} + + /** + * You should never call the constructor manually, always use `Sentry.startTransaction()` + * or call `startChild()` on an existing span. + * @internal + * @hideconstructor + * @hidden + */ + constructor(spanContext) {Span.prototype.__init2.call(this);Span.prototype.__init3.call(this);Span.prototype.__init4.call(this);Span.prototype.__init5.call(this);Span.prototype.__init6.call(this);Span.prototype.__init7.call(this); + if (!spanContext) { + return this; + } + if (spanContext.traceId) { + this.traceId = spanContext.traceId; + } + if (spanContext.spanId) { + this.spanId = spanContext.spanId; + } + if (spanContext.parentSpanId) { + this.parentSpanId = spanContext.parentSpanId; + } + // We want to include booleans as well here + if ('sampled' in spanContext) { + this.sampled = spanContext.sampled; + } + if (spanContext.op) { + this.op = spanContext.op; + } + if (spanContext.description) { + this.description = spanContext.description; + } + if (spanContext.data) { + this.data = spanContext.data; + } + if (spanContext.tags) { + this.tags = spanContext.tags; + } + if (spanContext.status) { + this.status = spanContext.status; + } + if (spanContext.startTimestamp) { + this.startTimestamp = spanContext.startTimestamp; + } + if (spanContext.endTimestamp) { + this.endTimestamp = spanContext.endTimestamp; + } + if (spanContext.instrumenter) { + this.instrumenter = spanContext.instrumenter; + } + } + + /** + * @inheritDoc + */ + startChild( + spanContext, + ) { + const childSpan = new Span({ + ...spanContext, + parentSpanId: this.spanId, + sampled: this.sampled, + traceId: this.traceId, + }); + + childSpan.spanRecorder = this.spanRecorder; + if (childSpan.spanRecorder) { + childSpan.spanRecorder.add(childSpan); + } + + childSpan.transaction = this.transaction; + + if ((typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && childSpan.transaction) { + const opStr = (spanContext && spanContext.op) || '< unknown op >'; + const nameStr = childSpan.transaction.name || '< unknown name >'; + const idStr = childSpan.transaction.spanId; + + const logMessage = `[Tracing] Starting '${opStr}' span on transaction '${nameStr}' (${idStr}).`; + childSpan.transaction.metadata.spanMetadata[childSpan.spanId] = { logMessage }; + logger.log(logMessage); + } + + return childSpan; + } + + /** + * @inheritDoc + */ + setTag(key, value) { + this.tags = { ...this.tags, [key]: value }; + return this; + } + + /** + * @inheritDoc + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types + setData(key, value) { + this.data = { ...this.data, [key]: value }; + return this; + } + + /** + * @inheritDoc + */ + setStatus(value) { + this.status = value; + return this; + } + + /** + * @inheritDoc + */ + setHttpStatus(httpStatus) { + this.setTag('http.status_code', String(httpStatus)); + const spanStatus = spanStatusfromHttpCode(httpStatus); + if (spanStatus !== 'unknown_error') { + this.setStatus(spanStatus); + } + return this; + } + + /** + * @inheritDoc + */ + isSuccess() { + return this.status === 'ok'; + } + + /** + * @inheritDoc + */ + finish(endTimestamp) { + if ( + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + // Don't call this for transactions + this.transaction && + this.transaction.spanId !== this.spanId + ) { + const { logMessage } = this.transaction.metadata.spanMetadata[this.spanId]; + if (logMessage) { + logger.log((logMessage ).replace('Starting', 'Finishing')); + } + } + + this.endTimestamp = typeof endTimestamp === 'number' ? endTimestamp : timestampWithMs(); + } + + /** + * @inheritDoc + */ + toTraceparent() { + let sampledString = ''; + if (this.sampled !== undefined) { + sampledString = this.sampled ? '-1' : '-0'; + } + return `${this.traceId}-${this.spanId}${sampledString}`; + } + + /** + * @inheritDoc + */ + toContext() { + return dropUndefinedKeys({ + data: this.data, + description: this.description, + endTimestamp: this.endTimestamp, + op: this.op, + parentSpanId: this.parentSpanId, + sampled: this.sampled, + spanId: this.spanId, + startTimestamp: this.startTimestamp, + status: this.status, + tags: this.tags, + traceId: this.traceId, + }); + } + + /** + * @inheritDoc + */ + updateWithContext(spanContext) { + this.data = _nullishCoalesce(spanContext.data, () => ( {})); + this.description = spanContext.description; + this.endTimestamp = spanContext.endTimestamp; + this.op = spanContext.op; + this.parentSpanId = spanContext.parentSpanId; + this.sampled = spanContext.sampled; + this.spanId = _nullishCoalesce(spanContext.spanId, () => ( this.spanId)); + this.startTimestamp = _nullishCoalesce(spanContext.startTimestamp, () => ( this.startTimestamp)); + this.status = spanContext.status; + this.tags = _nullishCoalesce(spanContext.tags, () => ( {})); + this.traceId = _nullishCoalesce(spanContext.traceId, () => ( this.traceId)); + + return this; + } + + /** + * @inheritDoc + */ + getTraceContext() + + { + return dropUndefinedKeys({ + data: Object.keys(this.data).length > 0 ? this.data : undefined, + description: this.description, + op: this.op, + parent_span_id: this.parentSpanId, + span_id: this.spanId, + status: this.status, + tags: Object.keys(this.tags).length > 0 ? this.tags : undefined, + trace_id: this.traceId, + }); + } + + /** + * @inheritDoc + */ + toJSON() + + { + return dropUndefinedKeys({ + data: Object.keys(this.data).length > 0 ? this.data : undefined, + description: this.description, + op: this.op, + parent_span_id: this.parentSpanId, + span_id: this.spanId, + start_timestamp: this.startTimestamp, + status: this.status, + tags: Object.keys(this.tags).length > 0 ? this.tags : undefined, + timestamp: this.endTimestamp, + trace_id: this.traceId, + }); + } + } + + /** + * Converts a HTTP status code into a {@link SpanStatusType}. + * + * @param httpStatus The HTTP response status code. + * @returns The span status or unknown_error. + */ + function spanStatusfromHttpCode(httpStatus) { + if (httpStatus < 400 && httpStatus >= 100) { + return 'ok'; + } + + if (httpStatus >= 400 && httpStatus < 500) { + switch (httpStatus) { + case 401: + return 'unauthenticated'; + case 403: + return 'permission_denied'; + case 404: + return 'not_found'; + case 409: + return 'already_exists'; + case 413: + return 'failed_precondition'; + case 429: + return 'resource_exhausted'; + default: + return 'invalid_argument'; + } + } + + if (httpStatus >= 500 && httpStatus < 600) { + switch (httpStatus) { + case 501: + return 'unimplemented'; + case 503: + return 'unavailable'; + case 504: + return 'deadline_exceeded'; + default: + return 'internal_error'; + } + } + + return 'unknown_error'; + } + + /** JSDoc */ + class Transaction extends Span { + + /** + * The reference to the current hub. + */ + + __init() {this._measurements = {};} + + __init2() {this._contexts = {};} + + __init3() {this._frozenDynamicSamplingContext = undefined;} + + /** + * This constructor should never be called manually. Those instrumenting tracing should use + * `Sentry.startTransaction()`, and internal methods should use `hub.startTransaction()`. + * @internal + * @hideconstructor + * @hidden + */ + constructor(transactionContext, hub) { + super(transactionContext);Transaction.prototype.__init.call(this);Transaction.prototype.__init2.call(this);Transaction.prototype.__init3.call(this); + this._hub = hub || getCurrentHub(); + + this._name = transactionContext.name || ''; + + this.metadata = { + source: 'custom', + ...transactionContext.metadata, + spanMetadata: {}, + changes: [], + propagations: 0, + }; + + this._trimEnd = transactionContext.trimEnd; + + // this is because transactions are also spans, and spans have a transaction pointer + this.transaction = this; + + // If Dynamic Sampling Context is provided during the creation of the transaction, we freeze it as it usually means + // there is incoming Dynamic Sampling Context. (Either through an incoming request, a baggage meta-tag, or other means) + const incomingDynamicSamplingContext = this.metadata.dynamicSamplingContext; + if (incomingDynamicSamplingContext) { + // We shallow copy this in case anything writes to the original reference of the passed in `dynamicSamplingContext` + this._frozenDynamicSamplingContext = { ...incomingDynamicSamplingContext }; + } + } + + /** Getter for `name` property */ + get name() { + return this._name; + } + + /** Setter for `name` property, which also sets `source` as custom */ + set name(newName) { + this.setName(newName); + } + + /** + * JSDoc + */ + setName(name, source = 'custom') { + // `source` could change without the name changing if we discover that an unparameterized route is actually + // parameterized by virtue of having no parameters in its path + if (name !== this.name || source !== this.metadata.source) { + this.metadata.changes.push({ + // log previous source + source: this.metadata.source, + timestamp: timestampInSeconds(), + propagations: this.metadata.propagations, + }); + } + + this._name = name; + this.metadata.source = source; + } + + /** + * Attaches SpanRecorder to the span itself + * @param maxlen maximum number of spans that can be recorded + */ + initSpanRecorder(maxlen = 1000) { + if (!this.spanRecorder) { + this.spanRecorder = new SpanRecorder(maxlen); + } + this.spanRecorder.add(this); + } + + /** + * @inheritDoc + */ + setContext(key, context) { + if (context === null) { + // eslint-disable-next-line @typescript-eslint/no-dynamic-delete + delete this._contexts[key]; + } else { + this._contexts[key] = context; + } + } + + /** + * @inheritDoc + */ + setMeasurement(name, value, unit = '') { + this._measurements[name] = { value, unit }; + } + + /** + * @inheritDoc + */ + setMetadata(newMetadata) { + this.metadata = { ...this.metadata, ...newMetadata }; + } + + /** + * @inheritDoc + */ + finish(endTimestamp) { + // This transaction is already finished, so we should not flush it again. + if (this.endTimestamp !== undefined) { + return undefined; + } + + if (!this.name) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Transaction has no name, falling back to ``.'); + this.name = ''; + } + + // just sets the end timestamp + super.finish(endTimestamp); + + if (this.sampled !== true) { + // At this point if `sampled !== true` we want to discard the transaction. + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] Discarding transaction because its trace was not chosen to be sampled.'); + + const client = this._hub.getClient(); + if (client) { + client.recordDroppedEvent('sample_rate', 'transaction'); + } + + return undefined; + } + + const finishedSpans = this.spanRecorder ? this.spanRecorder.spans.filter(s => s !== this && s.endTimestamp) : []; + + if (this._trimEnd && finishedSpans.length > 0) { + this.endTimestamp = finishedSpans.reduce((prev, current) => { + if (prev.endTimestamp && current.endTimestamp) { + return prev.endTimestamp > current.endTimestamp ? prev : current; + } + return prev; + }).endTimestamp; + } + + const metadata = this.metadata; + + const transaction = { + contexts: { + ...this._contexts, + // We don't want to override trace context + trace: this.getTraceContext(), + }, + spans: finishedSpans, + start_timestamp: this.startTimestamp, + tags: this.tags, + timestamp: this.endTimestamp, + transaction: this.name, + type: 'transaction', + sdkProcessingMetadata: { + ...metadata, + dynamicSamplingContext: this.getDynamicSamplingContext(), + }, + ...(metadata.source && { + transaction_info: { + source: metadata.source, + changes: metadata.changes, + propagations: metadata.propagations, + }, + }), + }; + + const hasMeasurements = Object.keys(this._measurements).length > 0; + + if (hasMeasurements) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log( + '[Measurements] Adding measurements to transaction', + JSON.stringify(this._measurements, undefined, 2), + ); + transaction.measurements = this._measurements; + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] Finishing ${this.op} transaction: ${this.name}.`); + + return this._hub.captureEvent(transaction); + } + + /** + * @inheritDoc + */ + toContext() { + const spanContext = super.toContext(); + + return dropUndefinedKeys({ + ...spanContext, + name: this.name, + trimEnd: this._trimEnd, + }); + } + + /** + * @inheritDoc + */ + updateWithContext(transactionContext) { + super.updateWithContext(transactionContext); + + this.name = _nullishCoalesce(transactionContext.name, () => ( '')); + + this._trimEnd = transactionContext.trimEnd; + + return this; + } + + /** + * @inheritdoc + * + * @experimental + */ + getDynamicSamplingContext() { + if (this._frozenDynamicSamplingContext) { + return this._frozenDynamicSamplingContext; + } + + const hub = this._hub || getCurrentHub(); + const client = hub && hub.getClient(); + + if (!client) return {}; + + const { environment, release } = client.getOptions() || {}; + const { publicKey: public_key } = client.getDsn() || {}; + + const maybeSampleRate = this.metadata.sampleRate; + const sample_rate = maybeSampleRate !== undefined ? maybeSampleRate.toString() : undefined; + + const scope = hub.getScope(); + const { segment: user_segment } = (scope && scope.getUser()) || {}; + + const source = this.metadata.source; + + // We don't want to have a transaction name in the DSC if the source is "url" because URLs might contain PII + const transaction = source && source !== 'url' ? this.name : undefined; + + const dsc = dropUndefinedKeys({ + environment, + release, + transaction, + user_segment, + public_key, + trace_id: this.traceId, + sample_rate, + }); + + // Uncomment if we want to make DSC immutable + // this._frozenDynamicSamplingContext = dsc; + + return dsc; + } + } + + const DEFAULT_IDLE_TIMEOUT = 1000; + const DEFAULT_FINAL_TIMEOUT = 30000; + const DEFAULT_HEARTBEAT_INTERVAL = 5000; + + /** + * @inheritDoc + */ + class IdleTransactionSpanRecorder extends SpanRecorder { + constructor( + _pushActivity, + _popActivity, + transactionSpanId, + maxlen, + ) { + super(maxlen);this._pushActivity = _pushActivity;this._popActivity = _popActivity;this.transactionSpanId = transactionSpanId; } + + /** + * @inheritDoc + */ + add(span) { + // We should make sure we do not push and pop activities for + // the transaction that this span recorder belongs to. + if (span.spanId !== this.transactionSpanId) { + // We patch span.finish() to pop an activity after setting an endTimestamp. + span.finish = (endTimestamp) => { + span.endTimestamp = typeof endTimestamp === 'number' ? endTimestamp : timestampWithMs(); + this._popActivity(span.spanId); + }; + + // We should only push new activities if the span does not have an end timestamp. + if (span.endTimestamp === undefined) { + this._pushActivity(span.spanId); + } + } + + super.add(span); + } + } + + /** + * An IdleTransaction is a transaction that automatically finishes. It does this by tracking child spans as activities. + * You can have multiple IdleTransactions active, but if the `onScope` option is specified, the idle transaction will + * put itself on the scope on creation. + */ + class IdleTransaction extends Transaction { + // Activities store a list of active spans + __init() {this.activities = {};} + + // Track state of activities in previous heartbeat + + // Amount of times heartbeat has counted. Will cause transaction to finish after 3 beats. + __init2() {this._heartbeatCounter = 0;} + + // We should not use heartbeat if we finished a transaction + __init3() {this._finished = false;} + + __init4() {this._beforeFinishCallbacks = [];} + + /** + * Timer that tracks Transaction idleTimeout + */ + + constructor( + transactionContext, + _idleHub, + /** + * The time to wait in ms until the idle transaction will be finished. This timer is started each time + * there are no active spans on this transaction. + */ + _idleTimeout = DEFAULT_IDLE_TIMEOUT, + /** + * The final value in ms that a transaction cannot exceed + */ + _finalTimeout = DEFAULT_FINAL_TIMEOUT, + _heartbeatInterval = DEFAULT_HEARTBEAT_INTERVAL, + // Whether or not the transaction should put itself on the scope when it starts and pop itself off when it ends + _onScope = false, + ) { + super(transactionContext, _idleHub);this._idleHub = _idleHub;this._idleTimeout = _idleTimeout;this._finalTimeout = _finalTimeout;this._heartbeatInterval = _heartbeatInterval;this._onScope = _onScope;IdleTransaction.prototype.__init.call(this);IdleTransaction.prototype.__init2.call(this);IdleTransaction.prototype.__init3.call(this);IdleTransaction.prototype.__init4.call(this); + if (_onScope) { + // There should only be one active transaction on the scope + clearActiveTransaction(_idleHub); + + // We set the transaction here on the scope so error events pick up the trace + // context and attach it to the error. + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`Setting idle transaction on scope. Span ID: ${this.spanId}`); + _idleHub.configureScope(scope => scope.setSpan(this)); + } + + this._startIdleTimeout(); + setTimeout(() => { + if (!this._finished) { + this.setStatus('deadline_exceeded'); + this.finish(); + } + }, this._finalTimeout); + } + + /** {@inheritDoc} */ + finish(endTimestamp = timestampWithMs()) { + this._finished = true; + this.activities = {}; + + if (this.spanRecorder) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log('[Tracing] finishing IdleTransaction', new Date(endTimestamp * 1000).toISOString(), this.op); + + for (const callback of this._beforeFinishCallbacks) { + callback(this, endTimestamp); + } + + this.spanRecorder.spans = this.spanRecorder.spans.filter((span) => { + // If we are dealing with the transaction itself, we just return it + if (span.spanId === this.spanId) { + return true; + } + + // We cancel all pending spans with status "cancelled" to indicate the idle transaction was finished early + if (!span.endTimestamp) { + span.endTimestamp = endTimestamp; + span.setStatus('cancelled'); + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log('[Tracing] cancelling span since transaction ended early', JSON.stringify(span, undefined, 2)); + } + + const keepSpan = span.startTimestamp < endTimestamp; + if (!keepSpan) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log( + '[Tracing] discarding Span since it happened after Transaction was finished', + JSON.stringify(span, undefined, 2), + ); + } + return keepSpan; + }); + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] flushing IdleTransaction'); + } else { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] No active IdleTransaction'); + } + + // if `this._onScope` is `true`, the transaction put itself on the scope when it started + if (this._onScope) { + clearActiveTransaction(this._idleHub); + } + + return super.finish(endTimestamp); + } + + /** + * Register a callback function that gets excecuted before the transaction finishes. + * Useful for cleanup or if you want to add any additional spans based on current context. + * + * This is exposed because users have no other way of running something before an idle transaction + * finishes. + */ + registerBeforeFinishCallback(callback) { + this._beforeFinishCallbacks.push(callback); + } + + /** + * @inheritDoc + */ + initSpanRecorder(maxlen) { + if (!this.spanRecorder) { + const pushActivity = (id) => { + if (this._finished) { + return; + } + this._pushActivity(id); + }; + const popActivity = (id) => { + if (this._finished) { + return; + } + this._popActivity(id); + }; + + this.spanRecorder = new IdleTransactionSpanRecorder(pushActivity, popActivity, this.spanId, maxlen); + + // Start heartbeat so that transactions do not run forever. + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Starting heartbeat'); + this._pingHeartbeat(); + } + this.spanRecorder.add(this); + } + + /** + * Cancels the existing idletimeout, if there is one + */ + _cancelIdleTimeout() { + if (this._idleTimeoutID) { + clearTimeout(this._idleTimeoutID); + this._idleTimeoutID = undefined; + } + } + + /** + * Creates an idletimeout + */ + _startIdleTimeout(endTimestamp) { + this._cancelIdleTimeout(); + this._idleTimeoutID = setTimeout(() => { + if (!this._finished && Object.keys(this.activities).length === 0) { + this.finish(endTimestamp); + } + }, this._idleTimeout); + } + + /** + * Start tracking a specific activity. + * @param spanId The span id that represents the activity + */ + _pushActivity(spanId) { + this._cancelIdleTimeout(); + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] pushActivity: ${spanId}`); + this.activities[spanId] = true; + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] new activities count', Object.keys(this.activities).length); + } + + /** + * Remove an activity from usage + * @param spanId The span id that represents the activity + */ + _popActivity(spanId) { + if (this.activities[spanId]) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] popActivity ${spanId}`); + // eslint-disable-next-line @typescript-eslint/no-dynamic-delete + delete this.activities[spanId]; + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] new activities count', Object.keys(this.activities).length); + } + + if (Object.keys(this.activities).length === 0) { + // We need to add the timeout here to have the real endtimestamp of the transaction + // Remember timestampWithMs is in seconds, timeout is in ms + const endTimestamp = timestampWithMs() + this._idleTimeout / 1000; + this._startIdleTimeout(endTimestamp); + } + } + + /** + * Checks when entries of this.activities are not changing for 3 beats. + * If this occurs we finish the transaction. + */ + _beat() { + // We should not be running heartbeat if the idle transaction is finished. + if (this._finished) { + return; + } + + const heartbeatString = Object.keys(this.activities).join(''); + + if (heartbeatString === this._prevHeartbeatString) { + this._heartbeatCounter += 1; + } else { + this._heartbeatCounter = 1; + } + + this._prevHeartbeatString = heartbeatString; + + if (this._heartbeatCounter >= 3) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] Transaction finished because of no change for 3 heart beats'); + this.setStatus('deadline_exceeded'); + this.finish(); + } else { + this._pingHeartbeat(); + } + } + + /** + * Pings the heartbeat + */ + _pingHeartbeat() { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`pinging Heartbeat -> current counter: ${this._heartbeatCounter}`); + setTimeout(() => { + this._beat(); + }, this._heartbeatInterval); + } + } + + /** + * Reset transaction on scope to `undefined` + */ + function clearActiveTransaction(hub) { + const scope = hub.getScope(); + if (scope) { + const transaction = scope.getTransaction(); + if (transaction) { + scope.setSpan(undefined); + } + } + } + + /** Returns all trace headers that are currently on the top scope. */ + function traceHeaders() { + const scope = this.getScope(); + if (scope) { + const span = scope.getSpan(); + if (span) { + return { + 'sentry-trace': span.toTraceparent(), + }; + } + } + return {}; + } + + /** + * Makes a sampling decision for the given transaction and stores it on the transaction. + * + * Called every time a transaction is created. Only transactions which emerge with a `sampled` value of `true` will be + * sent to Sentry. + * + * @param transaction: The transaction needing a sampling decision + * @param options: The current client's options, so we can access `tracesSampleRate` and/or `tracesSampler` + * @param samplingContext: Default and user-provided data which may be used to help make the decision + * + * @returns The given transaction with its `sampled` value set + */ + function sample( + transaction, + options, + samplingContext, + ) { + // nothing to do if tracing is not enabled + if (!hasTracingEnabled(options)) { + transaction.sampled = false; + return transaction; + } + + // if the user has forced a sampling decision by passing a `sampled` value in their transaction context, go with that + if (transaction.sampled !== undefined) { + transaction.setMetadata({ + sampleRate: Number(transaction.sampled), + }); + return transaction; + } + + // we would have bailed already if neither `tracesSampler` nor `tracesSampleRate` were defined, so one of these should + // work; prefer the hook if so + let sampleRate; + if (typeof options.tracesSampler === 'function') { + sampleRate = options.tracesSampler(samplingContext); + transaction.setMetadata({ + sampleRate: Number(sampleRate), + }); + } else if (samplingContext.parentSampled !== undefined) { + sampleRate = samplingContext.parentSampled; + } else { + sampleRate = options.tracesSampleRate; + transaction.setMetadata({ + sampleRate: Number(sampleRate), + }); + } + + // Since this is coming from the user (or from a function provided by the user), who knows what we might get. (The + // only valid values are booleans or numbers between 0 and 1.) + if (!isValidSampleRate(sampleRate)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('[Tracing] Discarding transaction because of invalid sample rate.'); + transaction.sampled = false; + return transaction; + } + + // if the function returned 0 (or false), or if `tracesSampleRate` is 0, it's a sign the transaction should be dropped + if (!sampleRate) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log( + `[Tracing] Discarding transaction because ${ + typeof options.tracesSampler === 'function' + ? 'tracesSampler returned 0 or false' + : 'a negative sampling decision was inherited or tracesSampleRate is set to 0' + }`, + ); + transaction.sampled = false; + return transaction; + } + + // Now we roll the dice. Math.random is inclusive of 0, but not of 1, so strict < is safe here. In case sampleRate is + // a boolean, the < comparison will cause it to be automatically cast to 1 if it's true and 0 if it's false. + transaction.sampled = Math.random() < (sampleRate ); + + // if we're not going to keep it, we're done + if (!transaction.sampled) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log( + `[Tracing] Discarding transaction because it's not included in the random sample (sampling rate = ${Number( + sampleRate, + )})`, + ); + return transaction; + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] starting ${transaction.op} transaction - ${transaction.name}`); + return transaction; + } + + /** + * Checks the given sample rate to make sure it is valid type and value (a boolean, or a number between 0 and 1). + */ + function isValidSampleRate(rate) { + // we need to check NaN explicitly because it's of type 'number' and therefore wouldn't get caught by this typecheck + // eslint-disable-next-line @typescript-eslint/no-explicit-any + if (isNaN$1(rate) || !(typeof rate === 'number' || typeof rate === 'boolean')) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn( + `[Tracing] Given sample rate is invalid. Sample rate must be a boolean or a number between 0 and 1. Got ${JSON.stringify( + rate, + )} of type ${JSON.stringify(typeof rate)}.`, + ); + return false; + } + + // in case sampleRate is a boolean, it will get automatically cast to 1 if it's true and 0 if it's false + if (rate < 0 || rate > 1) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn(`[Tracing] Given sample rate is invalid. Sample rate must be between 0 and 1. Got ${rate}.`); + return false; + } + return true; + } + + /** + * Creates a new transaction and adds a sampling decision if it doesn't yet have one. + * + * The Hub.startTransaction method delegates to this method to do its work, passing the Hub instance in as `this`, as if + * it had been called on the hub directly. Exists as a separate function so that it can be injected into the class as an + * "extension method." + * + * @param this: The Hub starting the transaction + * @param transactionContext: Data used to configure the transaction + * @param CustomSamplingContext: Optional data to be provided to the `tracesSampler` function (if any) + * + * @returns The new transaction + * + * @see {@link Hub.startTransaction} + */ + function _startTransaction( + + transactionContext, + customSamplingContext, + ) { + const client = this.getClient(); + const options = (client && client.getOptions()) || {}; + + const configInstrumenter = options.instrumenter || 'sentry'; + const transactionInstrumenter = transactionContext.instrumenter || 'sentry'; + + if (configInstrumenter !== transactionInstrumenter) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.error( + `A transaction was started with instrumenter=\`${transactionInstrumenter}\`, but the SDK is configured with the \`${configInstrumenter}\` instrumenter. +The transaction will not be sampled. Please use the ${configInstrumenter} instrumentation to start transactions.`, + ); + + transactionContext.sampled = false; + } + + let transaction = new Transaction(transactionContext, this); + transaction = sample(transaction, options, { + parentSampled: transactionContext.parentSampled, + transactionContext, + ...customSamplingContext, + }); + if (transaction.sampled) { + transaction.initSpanRecorder(options._experiments && (options._experiments.maxSpans )); + } + return transaction; + } + + /** + * Create new idle transaction. + */ + function startIdleTransaction( + hub, + transactionContext, + idleTimeout, + finalTimeout, + onScope, + customSamplingContext, + heartbeatInterval, + ) { + const client = hub.getClient(); + const options = (client && client.getOptions()) || {}; + + let transaction = new IdleTransaction(transactionContext, hub, idleTimeout, finalTimeout, heartbeatInterval, onScope); + transaction = sample(transaction, options, { + parentSampled: transactionContext.parentSampled, + transactionContext, + ...customSamplingContext, + }); + if (transaction.sampled) { + transaction.initSpanRecorder(options._experiments && (options._experiments.maxSpans )); + } + return transaction; + } + + /** + * @private + */ + function _addTracingExtensions() { + const carrier = getMainCarrier(); + if (!carrier.__SENTRY__) { + return; + } + carrier.__SENTRY__.extensions = carrier.__SENTRY__.extensions || {}; + if (!carrier.__SENTRY__.extensions.startTransaction) { + carrier.__SENTRY__.extensions.startTransaction = _startTransaction; + } + if (!carrier.__SENTRY__.extensions.traceHeaders) { + carrier.__SENTRY__.extensions.traceHeaders = traceHeaders; + } + } + + /** + * @private + */ + function _autoloadDatabaseIntegrations() { + const carrier = getMainCarrier(); + if (!carrier.__SENTRY__) { + return; + } + + const packageToIntegrationMapping = { + mongodb() { + const integration = dynamicRequire(module, './integrations/node/mongo') + + ; + return new integration.Mongo(); + }, + mongoose() { + const integration = dynamicRequire(module, './integrations/node/mongo') + + ; + return new integration.Mongo({ mongoose: true }); + }, + mysql() { + const integration = dynamicRequire(module, './integrations/node/mysql') + + ; + return new integration.Mysql(); + }, + pg() { + const integration = dynamicRequire(module, './integrations/node/postgres') + + ; + return new integration.Postgres(); + }, + }; + + const mappedPackages = Object.keys(packageToIntegrationMapping) + .filter(moduleName => !!loadModule(moduleName)) + .map(pkg => { + try { + return packageToIntegrationMapping[pkg](); + } catch (e) { + return undefined; + } + }) + .filter(p => p) ; + + if (mappedPackages.length > 0) { + carrier.__SENTRY__.integrations = [...(carrier.__SENTRY__.integrations || []), ...mappedPackages]; + } + } + + /** + * This patches the global object and injects the Tracing extensions methods + */ + function addExtensionMethods() { + _addTracingExtensions(); + + // Detect and automatically load specified integrations. + if (isNodeEnv()) { + _autoloadDatabaseIntegrations(); + } + + // If an error happens globally, we should make sure transaction status is set to error. + registerErrorInstrumentation(); + } + + /** + * Check if Sentry auto-instrumentation should be disabled. + * + * @param getCurrentHub A method to fetch the current hub + * @returns boolean + */ + function shouldDisableAutoInstrumentation(getCurrentHub) { + const clientOptions = _optionalChain([getCurrentHub, 'call', _ => _(), 'access', _2 => _2.getClient, 'call', _3 => _3(), 'optionalAccess', _4 => _4.getOptions, 'call', _5 => _5()]); + const instrumenter = _optionalChain([clientOptions, 'optionalAccess', _6 => _6.instrumenter]) || 'sentry'; + + return instrumenter !== 'sentry'; + } + + /** + * Express integration + * + * Provides an request and error handler for Express framework as well as tracing capabilities + */ + class Express { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Express';} + + /** + * @inheritDoc + */ + __init() {this.name = Express.id;} + + /** + * Express App instance + */ + + /** + * @inheritDoc + */ + constructor(options = {}) {Express.prototype.__init.call(this); + this._router = options.router || options.app; + this._methods = (Array.isArray(options.methods) ? options.methods : []).concat('use'); + } + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + if (!this._router) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('ExpressIntegration is missing an Express instance'); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Express Integration is skipped because of instrumenter configuration.'); + return; + } + + instrumentMiddlewares(this._router, this._methods); + instrumentRouter(this._router ); + } + }Express.__initStatic(); + + /** + * Wraps original middleware function in a tracing call, which stores the info about the call as a span, + * and finishes it once the middleware is done invoking. + * + * Express middlewares have 3 various forms, thus we have to take care of all of them: + * // sync + * app.use(function (req, res) { ... }) + * // async + * app.use(function (req, res, next) { ... }) + * // error handler + * app.use(function (err, req, res, next) { ... }) + * + * They all internally delegate to the `router[method]` of the given application instance. + */ + // eslint-disable-next-line @typescript-eslint/ban-types, @typescript-eslint/no-explicit-any + function wrap(fn, method) { + const arity = fn.length; + + switch (arity) { + case 2: { + return function ( req, res) { + const transaction = res.__sentry_transaction; + if (transaction) { + const span = transaction.startChild({ + description: fn.name, + op: `middleware.express.${method}`, + }); + res.once('finish', () => { + span.finish(); + }); + } + return fn.call(this, req, res); + }; + } + case 3: { + return function ( + + req, + res, + next, + ) { + const transaction = res.__sentry_transaction; + const span = _optionalChain([transaction, 'optionalAccess', _2 => _2.startChild, 'call', _3 => _3({ + description: fn.name, + op: `middleware.express.${method}`, + })]); + fn.call(this, req, res, function ( ...args) { + _optionalChain([span, 'optionalAccess', _4 => _4.finish, 'call', _5 => _5()]); + next.call(this, ...args); + }); + }; + } + case 4: { + return function ( + + err, + req, + res, + next, + ) { + const transaction = res.__sentry_transaction; + const span = _optionalChain([transaction, 'optionalAccess', _6 => _6.startChild, 'call', _7 => _7({ + description: fn.name, + op: `middleware.express.${method}`, + })]); + fn.call(this, err, req, res, function ( ...args) { + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + next.call(this, ...args); + }); + }; + } + default: { + throw new Error(`Express middleware takes 2-4 arguments. Got: ${arity}`); + } + } + } + + /** + * Takes all the function arguments passed to the original `app` or `router` method, eg. `app.use` or `router.use` + * and wraps every function, as well as array of functions with a call to our `wrap` method. + * We have to take care of the arrays as well as iterate over all of the arguments, + * as `app.use` can accept middlewares in few various forms. + * + * app.use([], ) + * app.use([], , ...) + * app.use([], ...[]) + */ + function wrapMiddlewareArgs(args, method) { + return args.map((arg) => { + if (typeof arg === 'function') { + return wrap(arg, method); + } + + if (Array.isArray(arg)) { + return arg.map((a) => { + if (typeof a === 'function') { + return wrap(a, method); + } + return a; + }); + } + + return arg; + }); + } + + /** + * Patches original router to utilize our tracing functionality + */ + function patchMiddleware(router, method) { + const originalCallback = router[method]; + + router[method] = function (...args) { + return originalCallback.call(this, ...wrapMiddlewareArgs(args, method)); + }; + + return router; + } + + /** + * Patches original router methods + */ + function instrumentMiddlewares(router, methods = []) { + methods.forEach((method) => patchMiddleware(router, method)); + } + + /** + * Patches the prototype of Express.Router to accumulate the resolved route + * if a layer instance's `match` function was called and it returned a successful match. + * + * @see https://github.com/expressjs/express/blob/master/lib/router/index.js + * + * @param appOrRouter the router instance which can either be an app (i.e. top-level) or a (nested) router. + */ + function instrumentRouter(appOrRouter) { + // This is how we can distinguish between app and routers + const isApp = 'settings' in appOrRouter; + + // In case the app's top-level router hasn't been initialized yet, we have to do it now + if (isApp && appOrRouter._router === undefined && appOrRouter.lazyrouter) { + appOrRouter.lazyrouter(); + } + + const router = isApp ? appOrRouter._router : appOrRouter; + + if (!router) { + /* + If we end up here, this means likely that this integration is used with Express 3 or Express 5. + For now, we don't support these versions (3 is very old and 5 is still in beta). To support Express 5, + we'd need to make more changes to the routing instrumentation because the router is no longer part of + the Express core package but maintained in its own package. The new router has different function + signatures and works slightly differently, demanding more changes than just taking the router from + `app.router` instead of `app._router`. + @see https://github.com/pillarjs/router + + TODO: Proper Express 5 support + */ + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.debug('Cannot instrument router for URL Parameterization (did not find a valid router).'); + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.debug('Routing instrumentation is currently only supported in Express 4.'); + return; + } + + const routerProto = Object.getPrototypeOf(router) ; + + const originalProcessParams = routerProto.process_params; + routerProto.process_params = function process_params( + layer, + called, + req, + res, + done, + ) { + // Base case: We're in the first part of the URL (thus we start with the root '/') + if (!req._reconstructedRoute) { + req._reconstructedRoute = ''; + } + + // If the layer's partial route has params, is a regex or an array, the route is stored in layer.route. + const { layerRoutePath, isRegex, isArray, numExtraSegments } = getLayerRoutePathInfo(layer); + + // Otherwise, the hardcoded path (i.e. a partial route without params) is stored in layer.path + const partialRoute = layerRoutePath || layer.path || ''; + + // Normalize the partial route so that it doesn't contain leading or trailing slashes + // and exclude empty or '*' wildcard routes. + // The exclusion of '*' routes is our best effort to not "pollute" the transaction name + // with interim handlers (e.g. ones that check authentication or do other middleware stuff). + // We want to end up with the parameterized URL of the incoming request without any extraneous path segments. + const finalPartialRoute = partialRoute + .split('/') + .filter(segment => segment.length > 0 && (isRegex || isArray || !segment.includes('*'))) + .join('/'); + + // If we found a valid partial URL, we append it to the reconstructed route + if (finalPartialRoute && finalPartialRoute.length > 0) { + // If the partial route is from a regex route, we append a '/' to close the regex + req._reconstructedRoute += `/${finalPartialRoute}${isRegex ? '/' : ''}`; + } + + // Now we check if we are in the "last" part of the route. We determine this by comparing the + // number of URL segments from the original URL to that of our reconstructed parameterized URL. + // If we've reached our final destination, we update the transaction name. + const urlLength = getNumberOfUrlSegments(req.originalUrl || '') + numExtraSegments; + const routeLength = getNumberOfUrlSegments(req._reconstructedRoute); + + if (urlLength === routeLength) { + const transaction = res.__sentry_transaction; + if (transaction && transaction.metadata.source !== 'custom') { + // If the request URL is '/' or empty, the reconstructed route will be empty. + // Therefore, we fall back to setting the final route to '/' in this case. + const finalRoute = req._reconstructedRoute || '/'; + + transaction.setName(...extractPathForTransaction(req, { path: true, method: true, customRoute: finalRoute })); + } + } + + return originalProcessParams.call(this, layer, called, req, res, done); + }; + } + + /** + * Extracts and stringifies the layer's route which can either be a string with parameters (`users/:id`), + * a RegEx (`/test/`) or an array of strings and regexes (`['/path1', /\/path[2-5]/, /path/:id]`). Additionally + * returns extra information about the route, such as if the route is defined as regex or as an array. + * + * @param layer the layer to extract the stringified route from + * + * @returns an object containing the stringified route, a flag determining if the route was a regex + * and the number of extra segments to the matched path that are additionally in the route, + * if the route was an array (defaults to 0). + */ + function getLayerRoutePathInfo(layer) { + const lrp = _optionalChain([layer, 'access', _10 => _10.route, 'optionalAccess', _11 => _11.path]); + + const isRegex = isRegExp$2(lrp); + const isArray = Array.isArray(lrp); + + if (!lrp) { + return { isRegex, isArray, numExtraSegments: 0 }; + } + + const numExtraSegments = isArray + ? Math.max(getNumberOfArrayUrlSegments(lrp ) - getNumberOfUrlSegments(layer.path || ''), 0) + : 0; + + const layerRoutePath = getLayerRoutePathString(isArray, lrp); + + return { layerRoutePath, isRegex, isArray, numExtraSegments }; + } + + /** + * Returns the number of URL segments in an array of routes + * + * Example: ['/api/test', /\/api\/post[0-9]/, '/users/:id/details`] -> 7 + */ + function getNumberOfArrayUrlSegments(routesArray) { + return routesArray.reduce((accNumSegments, currentRoute) => { + // array members can be a RegEx -> convert them toString + return accNumSegments + getNumberOfUrlSegments(currentRoute.toString()); + }, 0); + } + + /** + * Extracts and returns the stringified version of the layers route path + * Handles route arrays (by joining the paths together) as well as RegExp and normal + * string values (in the latter case the toString conversion is technically unnecessary but + * it doesn't hurt us either). + */ + function getLayerRoutePathString(isArray, lrp) { + if (isArray) { + return (lrp ).map(r => r.toString()).join(','); + } + return lrp && lrp.toString(); + } + + /** Tracing integration for node-postgres package */ + class Postgres { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Postgres';} + + /** + * @inheritDoc + */ + __init() {this.name = Postgres.id;} + + constructor(options = {}) {Postgres.prototype.__init.call(this); + this._usePgNative = !!options.usePgNative; + } + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + const pkg = loadModule('pg'); + + if (!pkg) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Postgres Integration was unable to require `pg` package.'); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Postgres Integration is skipped because of instrumenter configuration.'); + return; + } + + if (this._usePgNative && !_optionalChain([pkg, 'access', _2 => _2.native, 'optionalAccess', _3 => _3.Client])) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error("Postgres Integration was unable to access 'pg-native' bindings."); + return; + } + + const { Client } = this._usePgNative ? pkg.native : pkg; + + /** + * function (query, callback) => void + * function (query, params, callback) => void + * function (query) => Promise + * function (query, params) => Promise + * function (pg.Cursor) => pg.Cursor + */ + fill(Client.prototype, 'query', function (orig) { + return function ( config, values, callback) { + const scope = getCurrentHub().getScope(); + const parentSpan = _optionalChain([scope, 'optionalAccess', _4 => _4.getSpan, 'call', _5 => _5()]); + const span = _optionalChain([parentSpan, 'optionalAccess', _6 => _6.startChild, 'call', _7 => _7({ + description: typeof config === 'string' ? config : (config ).text, + op: 'db', + })]); + + if (typeof callback === 'function') { + return orig.call(this, config, values, function (err, result) { + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + callback(err, result); + }); + } + + if (typeof values === 'function') { + return orig.call(this, config, function (err, result) { + _optionalChain([span, 'optionalAccess', _10 => _10.finish, 'call', _11 => _11()]); + values(err, result); + }); + } + + const rv = typeof values !== 'undefined' ? orig.call(this, config, values) : orig.call(this, config); + + if (isThenable(rv)) { + return rv.then((res) => { + _optionalChain([span, 'optionalAccess', _12 => _12.finish, 'call', _13 => _13()]); + return res; + }); + } + + _optionalChain([span, 'optionalAccess', _14 => _14.finish, 'call', _15 => _15()]); + return rv; + }; + }); + } + }Postgres.__initStatic(); + + /** Tracing integration for node-mysql package */ + class Mysql {constructor() { Mysql.prototype.__init.call(this); } + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Mysql';} + + /** + * @inheritDoc + */ + __init() {this.name = Mysql.id;} + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + const pkg = loadModule('mysql/lib/Connection.js'); + + if (!pkg) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Mysql Integration was unable to require `mysql` package.'); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Mysql Integration is skipped because of instrumenter configuration.'); + return; + } + + // The original function will have one of these signatures: + // function (callback) => void + // function (options, callback) => void + // function (options, values, callback) => void + fill(pkg, 'createQuery', function (orig) { + return function ( options, values, callback) { + const scope = getCurrentHub().getScope(); + const parentSpan = _optionalChain([scope, 'optionalAccess', _2 => _2.getSpan, 'call', _3 => _3()]); + const span = _optionalChain([parentSpan, 'optionalAccess', _4 => _4.startChild, 'call', _5 => _5({ + description: typeof options === 'string' ? options : (options ).sql, + op: 'db', + })]); + + if (typeof callback === 'function') { + return orig.call(this, options, values, function (err, result, fields) { + _optionalChain([span, 'optionalAccess', _6 => _6.finish, 'call', _7 => _7()]); + callback(err, result, fields); + }); + } + + if (typeof values === 'function') { + return orig.call(this, options, function (err, result, fields) { + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + values(err, result, fields); + }); + } + + return orig.call(this, options, values, callback); + }; + }); + } + }Mysql.__initStatic(); + + // This allows us to use the same array for both defaults options and the type itself. + // (note `as const` at the end to make it a union of string literal types (i.e. "a" | "b" | ... ) + // and not just a string[]) + + const OPERATIONS = [ + 'aggregate', // aggregate(pipeline, options, callback) + 'bulkWrite', // bulkWrite(operations, options, callback) + 'countDocuments', // countDocuments(query, options, callback) + 'createIndex', // createIndex(fieldOrSpec, options, callback) + 'createIndexes', // createIndexes(indexSpecs, options, callback) + 'deleteMany', // deleteMany(filter, options, callback) + 'deleteOne', // deleteOne(filter, options, callback) + 'distinct', // distinct(key, query, options, callback) + 'drop', // drop(options, callback) + 'dropIndex', // dropIndex(indexName, options, callback) + 'dropIndexes', // dropIndexes(options, callback) + 'estimatedDocumentCount', // estimatedDocumentCount(options, callback) + 'find', // find(query, options, callback) + 'findOne', // findOne(query, options, callback) + 'findOneAndDelete', // findOneAndDelete(filter, options, callback) + 'findOneAndReplace', // findOneAndReplace(filter, replacement, options, callback) + 'findOneAndUpdate', // findOneAndUpdate(filter, update, options, callback) + 'indexes', // indexes(options, callback) + 'indexExists', // indexExists(indexes, options, callback) + 'indexInformation', // indexInformation(options, callback) + 'initializeOrderedBulkOp', // initializeOrderedBulkOp(options, callback) + 'insertMany', // insertMany(docs, options, callback) + 'insertOne', // insertOne(doc, options, callback) + 'isCapped', // isCapped(options, callback) + 'mapReduce', // mapReduce(map, reduce, options, callback) + 'options', // options(options, callback) + 'parallelCollectionScan', // parallelCollectionScan(options, callback) + 'rename', // rename(newName, options, callback) + 'replaceOne', // replaceOne(filter, doc, options, callback) + 'stats', // stats(options, callback) + 'updateMany', // updateMany(filter, update, options, callback) + 'updateOne', // updateOne(filter, update, options, callback) + ] ; + + // All of the operations above take `options` and `callback` as their final parameters, but some of them + // take additional parameters as well. For those operations, this is a map of + // { : [] }, as a way to know what to call the operation's + // positional arguments when we add them to the span's `data` object later + const OPERATION_SIGNATURES + + = { + // aggregate intentionally not included because `pipeline` arguments are too complex to serialize well + // see https://github.com/getsentry/sentry-javascript/pull/3102 + bulkWrite: ['operations'], + countDocuments: ['query'], + createIndex: ['fieldOrSpec'], + createIndexes: ['indexSpecs'], + deleteMany: ['filter'], + deleteOne: ['filter'], + distinct: ['key', 'query'], + dropIndex: ['indexName'], + find: ['query'], + findOne: ['query'], + findOneAndDelete: ['filter'], + findOneAndReplace: ['filter', 'replacement'], + findOneAndUpdate: ['filter', 'update'], + indexExists: ['indexes'], + insertMany: ['docs'], + insertOne: ['doc'], + mapReduce: ['map', 'reduce'], + rename: ['newName'], + replaceOne: ['filter', 'doc'], + updateMany: ['filter', 'update'], + updateOne: ['filter', 'update'], + }; + + /** Tracing integration for mongo package */ + class Mongo { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Mongo';} + + /** + * @inheritDoc + */ + __init() {this.name = Mongo.id;} + + /** + * @inheritDoc + */ + constructor(options = {}) {Mongo.prototype.__init.call(this); + this._operations = Array.isArray(options.operations) ? options.operations : (OPERATIONS ); + this._describeOperations = 'describeOperations' in options ? options.describeOperations : true; + this._useMongoose = !!options.useMongoose; + } + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + const moduleName = this._useMongoose ? 'mongoose' : 'mongodb'; + const pkg = loadModule(moduleName); + + if (!pkg) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error(`Mongo Integration was unable to require \`${moduleName}\` package.`); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Mongo Integration is skipped because of instrumenter configuration.'); + return; + } + + this._instrumentOperations(pkg.Collection, this._operations, getCurrentHub); + } + + /** + * Patches original collection methods + */ + _instrumentOperations(collection, operations, getCurrentHub) { + operations.forEach((operation) => this._patchOperation(collection, operation, getCurrentHub)); + } + + /** + * Patches original collection to utilize our tracing functionality + */ + _patchOperation(collection, operation, getCurrentHub) { + if (!(operation in collection.prototype)) return; + + const getSpanContext = this._getSpanContextFromOperationArguments.bind(this); + + fill(collection.prototype, operation, function (orig) { + return function ( ...args) { + const lastArg = args[args.length - 1]; + const scope = getCurrentHub().getScope(); + const parentSpan = _optionalChain([scope, 'optionalAccess', _2 => _2.getSpan, 'call', _3 => _3()]); + + // Check if the operation was passed a callback. (mapReduce requires a different check, as + // its (non-callback) arguments can also be functions.) + if (typeof lastArg !== 'function' || (operation === 'mapReduce' && args.length === 2)) { + const span = _optionalChain([parentSpan, 'optionalAccess', _4 => _4.startChild, 'call', _5 => _5(getSpanContext(this, operation, args))]); + const maybePromise = orig.call(this, ...args) ; + + if (isThenable(maybePromise)) { + return maybePromise.then((res) => { + _optionalChain([span, 'optionalAccess', _6 => _6.finish, 'call', _7 => _7()]); + return res; + }); + } else { + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + return maybePromise; + } + } + + const span = _optionalChain([parentSpan, 'optionalAccess', _10 => _10.startChild, 'call', _11 => _11(getSpanContext(this, operation, args.slice(0, -1)))]); + return orig.call(this, ...args.slice(0, -1), function (err, result) { + _optionalChain([span, 'optionalAccess', _12 => _12.finish, 'call', _13 => _13()]); + lastArg(err, result); + }); + }; + }); + } + + /** + * Form a SpanContext based on the user input to a given operation. + */ + _getSpanContextFromOperationArguments( + collection, + operation, + args, + ) { + const data = { + collectionName: collection.collectionName, + dbName: collection.dbName, + namespace: collection.namespace, + }; + const spanContext = { + op: 'db', + description: operation, + data, + }; + + // If the operation takes no arguments besides `options` and `callback`, or if argument + // collection is disabled for this operation, just return early. + const signature = OPERATION_SIGNATURES[operation]; + const shouldDescribe = Array.isArray(this._describeOperations) + ? this._describeOperations.includes(operation) + : this._describeOperations; + + if (!signature || !shouldDescribe) { + return spanContext; + } + + try { + // Special case for `mapReduce`, as the only one accepting functions as arguments. + if (operation === 'mapReduce') { + const [map, reduce] = args ; + data[signature[0]] = typeof map === 'string' ? map : map.name || ''; + data[signature[1]] = typeof reduce === 'string' ? reduce : reduce.name || ''; + } else { + for (let i = 0; i < signature.length; i++) { + data[signature[i]] = JSON.stringify(args[i]); + } + } + } catch (_oO) { + // no-empty + } + + return spanContext; + } + }Mongo.__initStatic(); + + function isValidPrismaClient(possibleClient) { + return possibleClient && !!(possibleClient )['$use']; + } + + /** Tracing integration for @prisma/client package */ + class Prisma { + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Prisma';} + + /** + * @inheritDoc + */ + __init() {this.name = Prisma.id;} + + /** + * Prisma ORM Client Instance + */ + + /** + * @inheritDoc + */ + constructor(options = {}) {Prisma.prototype.__init.call(this); + if (isValidPrismaClient(options.client)) { + this._client = options.client; + } else { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn( + `Unsupported Prisma client provided to PrismaIntegration. Provided client: ${JSON.stringify(options.client)}`, + ); + } + } + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + if (!this._client) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('PrismaIntegration is missing a Prisma Client Instance'); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Prisma Integration is skipped because of instrumenter configuration.'); + return; + } + + this._client.$use((params, next) => { + const scope = getCurrentHub().getScope(); + const parentSpan = _optionalChain([scope, 'optionalAccess', _2 => _2.getSpan, 'call', _3 => _3()]); + + const action = params.action; + const model = params.model; + + const span = _optionalChain([parentSpan, 'optionalAccess', _4 => _4.startChild, 'call', _5 => _5({ + description: model ? `${model} ${action}` : action, + op: 'db.sql.prisma', + })]); + + const rv = next(params); + + if (isThenable(rv)) { + return rv.then((res) => { + _optionalChain([span, 'optionalAccess', _6 => _6.finish, 'call', _7 => _7()]); + return res; + }); + } + + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + return rv; + }); + } + }Prisma.__initStatic(); + + /** Tracing integration for graphql package */ + class GraphQL {constructor() { GraphQL.prototype.__init.call(this); } + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'GraphQL';} + + /** + * @inheritDoc + */ + __init() {this.name = GraphQL.id;} + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + const pkg = loadModule + + ('graphql/execution/execute.js'); + + if (!pkg) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('GraphQL Integration was unable to require graphql/execution package.'); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('GraphQL Integration is skipped because of instrumenter configuration.'); + return; + } + + fill(pkg, 'execute', function (orig) { + return function ( ...args) { + const scope = getCurrentHub().getScope(); + const parentSpan = _optionalChain([scope, 'optionalAccess', _2 => _2.getSpan, 'call', _3 => _3()]); + + const span = _optionalChain([parentSpan, 'optionalAccess', _4 => _4.startChild, 'call', _5 => _5({ + description: 'execute', + op: 'graphql.execute', + })]); + + _optionalChain([scope, 'optionalAccess', _6 => _6.setSpan, 'call', _7 => _7(span)]); + + const rv = orig.call(this, ...args); + + if (isThenable(rv)) { + return rv.then((res) => { + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + _optionalChain([scope, 'optionalAccess', _10 => _10.setSpan, 'call', _11 => _11(parentSpan)]); + + return res; + }); + } + + _optionalChain([span, 'optionalAccess', _12 => _12.finish, 'call', _13 => _13()]); + _optionalChain([scope, 'optionalAccess', _14 => _14.setSpan, 'call', _15 => _15(parentSpan)]); + return rv; + }; + }); + } + }GraphQL.__initStatic(); + + /** Tracing integration for Apollo */ + class Apollo {constructor() { Apollo.prototype.__init.call(this); } + /** + * @inheritDoc + */ + static __initStatic() {this.id = 'Apollo';} + + /** + * @inheritDoc + */ + __init() {this.name = Apollo.id;} + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + const pkg = loadModule + + ('apollo-server-core'); + + if (!pkg) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.error('Apollo Integration was unable to require apollo-server-core package.'); + return; + } + + if (shouldDisableAutoInstrumentation(getCurrentHub)) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('Apollo Integration is skipped because of instrumenter configuration.'); + return; + } + + /** + * Iterate over resolvers of the ApolloServer instance before schemas are constructed. + */ + fill(pkg.ApolloServerBase.prototype, 'constructSchema', function (orig) { + return function () { + if (!this.config.resolvers) { + if ((typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__)) { + if (this.config.schema) { + logger.warn( + 'Apollo integration is not able to trace `ApolloServer` instances constructed via `schema` property.', + ); + } else if (this.config.modules) { + logger.warn( + 'Apollo integration is not able to trace `ApolloServer` instances constructed via `modules` property.', + ); + } + + logger.error('Skipping tracing as no resolvers found on the `ApolloServer` instance.'); + } + + return orig.call(this); + } + + const resolvers = arrayify(this.config.resolvers); + + this.config.resolvers = resolvers.map(model => { + Object.keys(model).forEach(resolverGroupName => { + Object.keys(model[resolverGroupName]).forEach(resolverName => { + if (typeof model[resolverGroupName][resolverName] !== 'function') { + return; + } + + wrapResolver(model, resolverGroupName, resolverName, getCurrentHub); + }); + }); + + return model; + }); + + return orig.call(this); + }; + }); + } + }Apollo.__initStatic(); + + /** + * Wrap a single resolver which can be a parent of other resolvers and/or db operations. + */ + function wrapResolver( + model, + resolverGroupName, + resolverName, + getCurrentHub, + ) { + fill(model[resolverGroupName], resolverName, function (orig) { + return function ( ...args) { + const scope = getCurrentHub().getScope(); + const parentSpan = _optionalChain([scope, 'optionalAccess', _2 => _2.getSpan, 'call', _3 => _3()]); + const span = _optionalChain([parentSpan, 'optionalAccess', _4 => _4.startChild, 'call', _5 => _5({ + description: `${resolverGroupName}.${resolverName}`, + op: 'graphql.resolve', + })]); + + const rv = orig.call(this, ...args); + + if (isThenable(rv)) { + return rv.then((res) => { + _optionalChain([span, 'optionalAccess', _6 => _6.finish, 'call', _7 => _7()]); + return res; + }); + } + + _optionalChain([span, 'optionalAccess', _8 => _8.finish, 'call', _9 => _9()]); + + return rv; + }; + }); + } + + const WINDOW = GLOBAL_OBJ ; + + /** + * Add a listener that cancels and finishes a transaction when the global + * document is hidden. + */ + function registerBackgroundTabDetection() { + if (WINDOW && WINDOW.document) { + WINDOW.document.addEventListener('visibilitychange', () => { + const activeTransaction = getActiveTransaction() ; + if (WINDOW.document.hidden && activeTransaction) { + const statusType = 'cancelled'; + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log( + `[Tracing] Transaction: ${statusType} -> since tab moved to the background, op: ${activeTransaction.op}`, + ); + // We should not set status if it is already set, this prevent important statuses like + // error or data loss from being overwritten on transaction. + if (!activeTransaction.status) { + activeTransaction.setStatus(statusType); + } + activeTransaction.setTag('visibilitychange', 'document.hidden'); + activeTransaction.finish(); + } + }); + } else { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn('[Tracing] Could not set up background tab detection due to lack of global document'); + } + } + + const bindReporter = ( + callback, + metric, + reportAllChanges, + ) => { + let prevValue; + let delta; + return (forceReport) => { + if (metric.value >= 0) { + if (forceReport || reportAllChanges) { + delta = metric.value - (prevValue || 0); + + // Report the metric if there's a non-zero delta or if no previous + // value exists (which can happen in the case of the document becoming + // hidden when the metric value is 0). + // See: https://github.com/GoogleChrome/web-vitals/issues/14 + if (delta || prevValue === undefined) { + prevValue = metric.value; + metric.delta = delta; + callback(metric); + } + } + } + }; + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + /** + * Performantly generate a unique, 30-char string by combining a version + * number, the current timestamp with a 13-digit number integer. + * @return {string} + */ + const generateUniqueID = () => { + return `v3-${Date.now()}-${Math.floor(Math.random() * (9e12 - 1)) + 1e12}`; + }; + + /* + * Copyright 2022 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + const getNavigationEntryFromPerformanceTiming = () => { + // eslint-disable-next-line deprecation/deprecation + const timing = WINDOW.performance.timing; + // eslint-disable-next-line deprecation/deprecation + const type = WINDOW.performance.navigation.type; + + const navigationEntry = { + entryType: 'navigation', + startTime: 0, + type: type == 2 ? 'back_forward' : type === 1 ? 'reload' : 'navigate', + }; + + for (const key in timing) { + if (key !== 'navigationStart' && key !== 'toJSON') { + navigationEntry[key] = Math.max((timing[key ] ) - timing.navigationStart, 0); + } + } + return navigationEntry ; + }; + + const getNavigationEntry = () => { + if (WINDOW.__WEB_VITALS_POLYFILL__) { + return ( + WINDOW.performance && + ((performance.getEntriesByType && performance.getEntriesByType('navigation')[0]) || + getNavigationEntryFromPerformanceTiming()) + ); + } else { + return WINDOW.performance && performance.getEntriesByType && performance.getEntriesByType('navigation')[0]; + } + }; + + /* + * Copyright 2022 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + const getActivationStart = () => { + const navEntry = getNavigationEntry(); + return (navEntry && navEntry.activationStart) || 0; + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + const initMetric = (name, value) => { + const navEntry = getNavigationEntry(); + let navigationType = 'navigate'; + + if (navEntry) { + if (WINDOW.document.prerendering || getActivationStart() > 0) { + navigationType = 'prerender'; + } else { + navigationType = navEntry.type.replace(/_/g, '-') ; + } + } + + return { + name, + value: typeof value === 'undefined' ? -1 : value, + rating: 'good', // Will be updated if the value changes. + delta: 0, + entries: [], + id: generateUniqueID(), + navigationType, + }; + }; + + /** + * Takes a performance entry type and a callback function, and creates a + * `PerformanceObserver` instance that will observe the specified entry type + * with buffering enabled and call the callback _for each entry_. + * + * This function also feature-detects entry support and wraps the logic in a + * try/catch to avoid errors in unsupporting browsers. + */ + const observe = ( + type, + callback, + opts, + ) => { + try { + if (PerformanceObserver.supportedEntryTypes.includes(type)) { + const po = new PerformanceObserver(list => { + callback(list.getEntries() ); + }); + po.observe( + Object.assign( + { + type, + buffered: true, + }, + opts || {}, + ) , + ); + return po; + } + } catch (e) { + // Do nothing. + } + return; + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + const onHidden = (cb, once) => { + const onHiddenOrPageHide = (event) => { + if (event.type === 'pagehide' || WINDOW.document.visibilityState === 'hidden') { + cb(event); + if (once) { + removeEventListener('visibilitychange', onHiddenOrPageHide, true); + removeEventListener('pagehide', onHiddenOrPageHide, true); + } + } + }; + addEventListener('visibilitychange', onHiddenOrPageHide, true); + // Some browsers have buggy implementations of visibilitychange, + // so we use pagehide in addition, just to be safe. + addEventListener('pagehide', onHiddenOrPageHide, true); + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + /** + * Calculates the [CLS](https://web.dev/cls/) value for the current page and + * calls the `callback` function once the value is ready to be reported, along + * with all `layout-shift` performance entries that were used in the metric + * value calculation. The reported value is a `double` (corresponding to a + * [layout shift score](https://web.dev/cls/#layout-shift-score)). + * + * If the `reportAllChanges` configuration option is set to `true`, the + * `callback` function will be called as soon as the value is initially + * determined as well as any time the value changes throughout the page + * lifespan. + * + * _**Important:** CLS should be continually monitored for changes throughout + * the entire lifespan of a page—including if the user returns to the page after + * it's been hidden/backgrounded. However, since browsers often [will not fire + * additional callbacks once the user has backgrounded a + * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden), + * `callback` is always called when the page's visibility state changes to + * hidden. As a result, the `callback` function might be called multiple times + * during the same page load._ + */ + const onCLS = (onReport, opts = {}) => { + const metric = initMetric('CLS', 0); + let report; + + let sessionValue = 0; + let sessionEntries = []; + + // const handleEntries = (entries: Metric['entries']) => { + const handleEntries = (entries) => { + entries.forEach(entry => { + // Only count layout shifts without recent user input. + if (!entry.hadRecentInput) { + const firstSessionEntry = sessionEntries[0]; + const lastSessionEntry = sessionEntries[sessionEntries.length - 1]; + + // If the entry occurred less than 1 second after the previous entry and + // less than 5 seconds after the first entry in the session, include the + // entry in the current session. Otherwise, start a new session. + if ( + sessionValue && + sessionEntries.length !== 0 && + entry.startTime - lastSessionEntry.startTime < 1000 && + entry.startTime - firstSessionEntry.startTime < 5000 + ) { + sessionValue += entry.value; + sessionEntries.push(entry); + } else { + sessionValue = entry.value; + sessionEntries = [entry]; + } + + // If the current session value is larger than the current CLS value, + // update CLS and the entries contributing to it. + if (sessionValue > metric.value) { + metric.value = sessionValue; + metric.entries = sessionEntries; + if (report) { + report(); + } + } + } + }); + }; + + const po = observe('layout-shift', handleEntries); + if (po) { + report = bindReporter(onReport, metric, opts.reportAllChanges); + + onHidden(() => { + handleEntries(po.takeRecords() ); + report(true); + }); + } + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + let firstHiddenTime = -1; + + const initHiddenTime = () => { + // If the document is hidden and not prerendering, assume it was always + // hidden and the page was loaded in the background. + return WINDOW.document.visibilityState === 'hidden' && !WINDOW.document.prerendering ? 0 : Infinity; + }; + + const trackChanges = () => { + // Update the time if/when the document becomes hidden. + onHidden(({ timeStamp }) => { + firstHiddenTime = timeStamp; + }, true); + }; + + const getVisibilityWatcher = ( + + ) => { + if (firstHiddenTime < 0) { + // If the document is hidden when this code runs, assume it was hidden + // since navigation start. This isn't a perfect heuristic, but it's the + // best we can do until an API is available to support querying past + // visibilityState. + firstHiddenTime = initHiddenTime(); + trackChanges(); + } + return { + get firstHiddenTime() { + return firstHiddenTime; + }, + }; + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + /** + * Calculates the [FID](https://web.dev/fid/) value for the current page and + * calls the `callback` function once the value is ready, along with the + * relevant `first-input` performance entry used to determine the value. The + * reported value is a `DOMHighResTimeStamp`. + * + * _**Important:** since FID is only reported after the user interacts with the + * page, it's possible that it will not be reported for some page loads._ + */ + const onFID = (onReport, opts = {}) => { + const visibilityWatcher = getVisibilityWatcher(); + const metric = initMetric('FID'); + // eslint-disable-next-line prefer-const + let report; + + const handleEntry = (entry) => { + // Only report if the page wasn't hidden prior to the first input. + if (entry.startTime < visibilityWatcher.firstHiddenTime) { + metric.value = entry.processingStart - entry.startTime; + metric.entries.push(entry); + report(true); + } + }; + + const handleEntries = (entries) => { + (entries ).forEach(handleEntry); + }; + + const po = observe('first-input', handleEntries); + report = bindReporter(onReport, metric, opts.reportAllChanges); + + if (po) { + onHidden(() => { + handleEntries(po.takeRecords() ); + po.disconnect(); + }, true); + } + }; + + /* + * Copyright 2020 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + const reportedMetricIDs = {}; + + /** + * Calculates the [LCP](https://web.dev/lcp/) value for the current page and + * calls the `callback` function once the value is ready (along with the + * relevant `largest-contentful-paint` performance entry used to determine the + * value). The reported value is a `DOMHighResTimeStamp`. + * + * If the `reportAllChanges` configuration option is set to `true`, the + * `callback` function will be called any time a new `largest-contentful-paint` + * performance entry is dispatched, or once the final value of the metric has + * been determined. + */ + const onLCP = (onReport, opts = {}) => { + const visibilityWatcher = getVisibilityWatcher(); + const metric = initMetric('LCP'); + let report; + + const handleEntries = (entries) => { + const lastEntry = entries[entries.length - 1] ; + if (lastEntry) { + // The startTime attribute returns the value of the renderTime if it is + // not 0, and the value of the loadTime otherwise. The activationStart + // reference is used because LCP should be relative to page activation + // rather than navigation start if the page was prerendered. + const value = Math.max(lastEntry.startTime - getActivationStart(), 0); + + // Only report if the page wasn't hidden prior to LCP. + if (value < visibilityWatcher.firstHiddenTime) { + metric.value = value; + metric.entries = [lastEntry]; + report(); + } + } + }; + + const po = observe('largest-contentful-paint', handleEntries); + + if (po) { + report = bindReporter(onReport, metric, opts.reportAllChanges); + + const stopListening = () => { + if (!reportedMetricIDs[metric.id]) { + handleEntries(po.takeRecords() ); + po.disconnect(); + reportedMetricIDs[metric.id] = true; + report(true); + } + }; + + // Stop listening after input. Note: while scrolling is an input that + // stop LCP observation, it's unreliable since it can be programmatically + // generated. See: https://github.com/GoogleChrome/web-vitals/issues/75 + ['keydown', 'click'].forEach(type => { + addEventListener(type, stopListening, { once: true, capture: true }); + }); + + onHidden(stopListening, true); + } + }; + + /** + * Checks if a given value is a valid measurement value. + */ + function isMeasurementValue(value) { + return typeof value === 'number' && isFinite(value); + } + + /** + * Helper function to start child on transactions. This function will make sure that the transaction will + * use the start timestamp of the created child span if it is earlier than the transactions actual + * start timestamp. + */ + function _startChild(transaction, { startTimestamp, ...ctx }) { + if (startTimestamp && transaction.startTimestamp > startTimestamp) { + transaction.startTimestamp = startTimestamp; + } + + return transaction.startChild({ + startTimestamp, + ...ctx, + }); + } + + function getBrowserPerformanceAPI() { + return WINDOW && WINDOW.addEventListener && WINDOW.performance; + } + + let _performanceCursor = 0; + + let _measurements = {}; + let _lcpEntry; + let _clsEntry; + + /** + * Start tracking web vitals + */ + function startTrackingWebVitals(reportAllChanges = false) { + const performance = getBrowserPerformanceAPI(); + if (performance && browserPerformanceTimeOrigin) { + if (performance.mark) { + WINDOW.performance.mark('sentry-tracing-init'); + } + _trackCLS(); + _trackLCP(reportAllChanges); + _trackFID(); + } + } + + /** + * Start tracking long tasks. + */ + function startTrackingLongTasks() { + const entryHandler = (entries) => { + for (const entry of entries) { + const transaction = getActiveTransaction() ; + if (!transaction) { + return; + } + const startTime = msToSec((browserPerformanceTimeOrigin ) + entry.startTime); + const duration = msToSec(entry.duration); + + transaction.startChild({ + description: 'Main UI thread blocked', + op: 'ui.long-task', + startTimestamp: startTime, + endTimestamp: startTime + duration, + }); + } + }; + + observe('longtask', entryHandler); + } + + /** Starts tracking the Cumulative Layout Shift on the current page. */ + function _trackCLS() { + // See: + // https://web.dev/evolving-cls/ + // https://web.dev/cls-web-tooling/ + onCLS(metric => { + const entry = metric.entries.pop(); + if (!entry) { + return; + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding CLS'); + _measurements['cls'] = { value: metric.value, unit: '' }; + _clsEntry = entry ; + }); + } + + /** Starts tracking the Largest Contentful Paint on the current page. */ + function _trackLCP(reportAllChanges) { + onLCP( + metric => { + const entry = metric.entries.pop(); + if (!entry) { + return; + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding LCP'); + _measurements['lcp'] = { value: metric.value, unit: 'millisecond' }; + _lcpEntry = entry ; + }, + { reportAllChanges }, + ); + } + + /** Starts tracking the First Input Delay on the current page. */ + function _trackFID() { + onFID(metric => { + const entry = metric.entries.pop(); + if (!entry) { + return; + } + + const timeOrigin = msToSec(browserPerformanceTimeOrigin ); + const startTime = msToSec(entry.startTime); + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding FID'); + _measurements['fid'] = { value: metric.value, unit: 'millisecond' }; + _measurements['mark.fid'] = { value: timeOrigin + startTime, unit: 'second' }; + }); + } + + /** Add performance related spans to a transaction */ + function addPerformanceEntries(transaction) { + const performance = getBrowserPerformanceAPI(); + if (!performance || !WINDOW.performance.getEntries || !browserPerformanceTimeOrigin) { + // Gatekeeper if performance API not available + return; + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Tracing] Adding & adjusting spans using Performance API'); + const timeOrigin = msToSec(browserPerformanceTimeOrigin); + + const performanceEntries = performance.getEntries(); + + let responseStartTimestamp; + let requestStartTimestamp; + + // eslint-disable-next-line @typescript-eslint/no-explicit-any + performanceEntries.slice(_performanceCursor).forEach((entry) => { + const startTime = msToSec(entry.startTime); + const duration = msToSec(entry.duration); + + if (transaction.op === 'navigation' && timeOrigin + startTime < transaction.startTimestamp) { + return; + } + + switch (entry.entryType) { + case 'navigation': { + _addNavigationSpans(transaction, entry, timeOrigin); + responseStartTimestamp = timeOrigin + msToSec(entry.responseStart); + requestStartTimestamp = timeOrigin + msToSec(entry.requestStart); + break; + } + case 'mark': + case 'paint': + case 'measure': { + _addMeasureSpans(transaction, entry, startTime, duration, timeOrigin); + + // capture web vitals + const firstHidden = getVisibilityWatcher(); + // Only report if the page wasn't hidden prior to the web vital. + const shouldRecord = entry.startTime < firstHidden.firstHiddenTime; + + if (entry.name === 'first-paint' && shouldRecord) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding FP'); + _measurements['fp'] = { value: entry.startTime, unit: 'millisecond' }; + } + if (entry.name === 'first-contentful-paint' && shouldRecord) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding FCP'); + _measurements['fcp'] = { value: entry.startTime, unit: 'millisecond' }; + } + break; + } + case 'resource': { + const resourceName = (entry.name ).replace(WINDOW.location.origin, ''); + _addResourceSpans(transaction, entry, resourceName, startTime, duration, timeOrigin); + break; + } + // Ignore other entry types. + } + }); + + _performanceCursor = Math.max(performanceEntries.length - 1, 0); + + _trackNavigator(transaction); + + // Measurements are only available for pageload transactions + if (transaction.op === 'pageload') { + // Generate TTFB (Time to First Byte), which measured as the time between the beginning of the transaction and the + // start of the response in milliseconds + if (typeof responseStartTimestamp === 'number') { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding TTFB'); + _measurements['ttfb'] = { + value: (responseStartTimestamp - transaction.startTimestamp) * 1000, + unit: 'millisecond', + }; + + if (typeof requestStartTimestamp === 'number' && requestStartTimestamp <= responseStartTimestamp) { + // Capture the time spent making the request and receiving the first byte of the response. + // This is the time between the start of the request and the start of the response in milliseconds. + _measurements['ttfb.requestTime'] = { + value: (responseStartTimestamp - requestStartTimestamp) * 1000, + unit: 'millisecond', + }; + } + } + + ['fcp', 'fp', 'lcp'].forEach(name => { + if (!_measurements[name] || timeOrigin >= transaction.startTimestamp) { + return; + } + // The web vitals, fcp, fp, lcp, and ttfb, all measure relative to timeOrigin. + // Unfortunately, timeOrigin is not captured within the transaction span data, so these web vitals will need + // to be adjusted to be relative to transaction.startTimestamp. + const oldValue = _measurements[name].value; + const measurementTimestamp = timeOrigin + msToSec(oldValue); + + // normalizedValue should be in milliseconds + const normalizedValue = Math.abs((measurementTimestamp - transaction.startTimestamp) * 1000); + const delta = normalizedValue - oldValue; + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log(`[Measurements] Normalized ${name} from ${oldValue} to ${normalizedValue} (${delta})`); + _measurements[name].value = normalizedValue; + }); + + const fidMark = _measurements['mark.fid']; + if (fidMark && _measurements['fid']) { + // create span for FID + _startChild(transaction, { + description: 'first input delay', + endTimestamp: fidMark.value + msToSec(_measurements['fid'].value), + op: 'ui.action', + startTimestamp: fidMark.value, + }); + + // Delete mark.fid as we don't want it to be part of final payload + delete _measurements['mark.fid']; + } + + // If FCP is not recorded we should not record the cls value + // according to the new definition of CLS. + if (!('fcp' in _measurements)) { + delete _measurements.cls; + } + + Object.keys(_measurements).forEach(measurementName => { + transaction.setMeasurement( + measurementName, + _measurements[measurementName].value, + _measurements[measurementName].unit, + ); + }); + + _tagMetricInfo(transaction); + } + + _lcpEntry = undefined; + _clsEntry = undefined; + _measurements = {}; + } + + /** Create measure related spans */ + function _addMeasureSpans( + transaction, + // eslint-disable-next-line @typescript-eslint/no-explicit-any + entry, + startTime, + duration, + timeOrigin, + ) { + const measureStartTimestamp = timeOrigin + startTime; + const measureEndTimestamp = measureStartTimestamp + duration; + + _startChild(transaction, { + description: entry.name , + endTimestamp: measureEndTimestamp, + op: entry.entryType , + startTimestamp: measureStartTimestamp, + }); + + return measureStartTimestamp; + } + + /** Instrument navigation entries */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _addNavigationSpans(transaction, entry, timeOrigin) { + ['unloadEvent', 'redirect', 'domContentLoadedEvent', 'loadEvent', 'connect'].forEach(event => { + _addPerformanceNavigationTiming(transaction, entry, event, timeOrigin); + }); + _addPerformanceNavigationTiming(transaction, entry, 'secureConnection', timeOrigin, 'TLS/SSL', 'connectEnd'); + _addPerformanceNavigationTiming(transaction, entry, 'fetch', timeOrigin, 'cache', 'domainLookupStart'); + _addPerformanceNavigationTiming(transaction, entry, 'domainLookup', timeOrigin, 'DNS'); + _addRequest(transaction, entry, timeOrigin); + } + + /** Create performance navigation related spans */ + function _addPerformanceNavigationTiming( + transaction, + // eslint-disable-next-line @typescript-eslint/no-explicit-any + entry, + event, + timeOrigin, + description, + eventEnd, + ) { + const end = eventEnd ? (entry[eventEnd] ) : (entry[`${event}End`] ); + const start = entry[`${event}Start`] ; + if (!start || !end) { + return; + } + _startChild(transaction, { + op: 'browser', + description: _nullishCoalesce(description, () => ( event)), + startTimestamp: timeOrigin + msToSec(start), + endTimestamp: timeOrigin + msToSec(end), + }); + } + + /** Create request and response related spans */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any + function _addRequest(transaction, entry, timeOrigin) { + _startChild(transaction, { + op: 'browser', + description: 'request', + startTimestamp: timeOrigin + msToSec(entry.requestStart ), + endTimestamp: timeOrigin + msToSec(entry.responseEnd ), + }); + + _startChild(transaction, { + op: 'browser', + description: 'response', + startTimestamp: timeOrigin + msToSec(entry.responseStart ), + endTimestamp: timeOrigin + msToSec(entry.responseEnd ), + }); + } + + /** Create resource-related spans */ + function _addResourceSpans( + transaction, + entry, + resourceName, + startTime, + duration, + timeOrigin, + ) { + // we already instrument based on fetch and xhr, so we don't need to + // duplicate spans here. + if (entry.initiatorType === 'xmlhttprequest' || entry.initiatorType === 'fetch') { + return; + } + + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const data = {}; + if ('transferSize' in entry) { + data['Transfer Size'] = entry.transferSize; + } + if ('encodedBodySize' in entry) { + data['Encoded Body Size'] = entry.encodedBodySize; + } + if ('decodedBodySize' in entry) { + data['Decoded Body Size'] = entry.decodedBodySize; + } + + const startTimestamp = timeOrigin + startTime; + const endTimestamp = startTimestamp + duration; + + _startChild(transaction, { + description: resourceName, + endTimestamp, + op: entry.initiatorType ? `resource.${entry.initiatorType}` : 'resource.other', + startTimestamp, + data, + }); + } + + /** + * Capture the information of the user agent. + */ + function _trackNavigator(transaction) { + const navigator = WINDOW.navigator ; + if (!navigator) { + return; + } + + // track network connectivity + const connection = navigator.connection; + if (connection) { + if (connection.effectiveType) { + transaction.setTag('effectiveConnectionType', connection.effectiveType); + } + + if (connection.type) { + transaction.setTag('connectionType', connection.type); + } + + if (isMeasurementValue(connection.rtt)) { + _measurements['connection.rtt'] = { value: connection.rtt, unit: 'millisecond' }; + } + } + + if (isMeasurementValue(navigator.deviceMemory)) { + transaction.setTag('deviceMemory', `${navigator.deviceMemory} GB`); + } + + if (isMeasurementValue(navigator.hardwareConcurrency)) { + transaction.setTag('hardwareConcurrency', String(navigator.hardwareConcurrency)); + } + } + + /** Add LCP / CLS data to transaction to allow debugging */ + function _tagMetricInfo(transaction) { + if (_lcpEntry) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding LCP Data'); + + // Capture Properties of the LCP element that contributes to the LCP. + + if (_lcpEntry.element) { + transaction.setTag('lcp.element', htmlTreeAsString(_lcpEntry.element)); + } + + if (_lcpEntry.id) { + transaction.setTag('lcp.id', _lcpEntry.id); + } + + if (_lcpEntry.url) { + // Trim URL to the first 200 characters. + transaction.setTag('lcp.url', _lcpEntry.url.trim().slice(0, 200)); + } + + transaction.setTag('lcp.size', _lcpEntry.size); + } + + // See: https://developer.mozilla.org/en-US/docs/Web/API/LayoutShift + if (_clsEntry && _clsEntry.sources) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log('[Measurements] Adding CLS Data'); + _clsEntry.sources.forEach((source, index) => + transaction.setTag(`cls.source.${index + 1}`, htmlTreeAsString(source.node)), + ); + } + } + + // TODO (v8): Remove `tracingOrigins` + const DEFAULT_TRACING_ORIGINS = ['localhost', /^\//]; + const DEFAULT_TRACE_PROPAGATION_TARGETS = ['localhost', /^\//]; + + /** Options for Request Instrumentation */ + + const defaultRequestInstrumentationOptions = { + traceFetch: true, + traceXHR: true, + tracingOrigins: DEFAULT_TRACING_ORIGINS, + tracePropagationTargets: DEFAULT_TRACE_PROPAGATION_TARGETS, + }; + + /** Registers span creators for xhr and fetch requests */ + function instrumentOutgoingRequests(_options) { + // eslint-disable-next-line deprecation/deprecation + const { traceFetch, traceXHR, tracingOrigins, tracePropagationTargets, shouldCreateSpanForRequest } = { + ...defaultRequestInstrumentationOptions, + ..._options, + }; + + const shouldCreateSpan = + typeof shouldCreateSpanForRequest === 'function' ? shouldCreateSpanForRequest : (_) => true; + + const shouldAttachHeaders = (url) => + stringMatchesSomePattern(url, tracingOrigins) || stringMatchesSomePattern(url, tracePropagationTargets); + + const spans = {}; + + if (traceFetch) { + addInstrumentationHandler('fetch', (handlerData) => { + fetchCallback(handlerData, shouldCreateSpan, shouldAttachHeaders, spans); + }); + } + + if (traceXHR) { + addInstrumentationHandler('xhr', (handlerData) => { + xhrCallback(handlerData, shouldCreateSpan, shouldAttachHeaders, spans); + }); + } + } + + /** + * Create and track fetch request spans + */ + function fetchCallback( + handlerData, + shouldCreateSpan, + shouldAttachHeaders, + spans, + ) { + if (!hasTracingEnabled() || !(handlerData.fetchData && shouldCreateSpan(handlerData.fetchData.url))) { + return; + } + + if (handlerData.endTimestamp) { + const spanId = handlerData.fetchData.__span; + if (!spanId) return; + + const span = spans[spanId]; + if (span) { + if (handlerData.response) { + // TODO (kmclb) remove this once types PR goes through + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + span.setHttpStatus(handlerData.response.status); + } else if (handlerData.error) { + span.setStatus('internal_error'); + } + span.finish(); + + // eslint-disable-next-line @typescript-eslint/no-dynamic-delete + delete spans[spanId]; + } + return; + } + + const activeTransaction = getActiveTransaction(); + if (activeTransaction) { + const span = activeTransaction.startChild({ + data: { + ...handlerData.fetchData, + type: 'fetch', + }, + description: `${handlerData.fetchData.method} ${handlerData.fetchData.url}`, + op: 'http.client', + }); + + handlerData.fetchData.__span = span.spanId; + spans[span.spanId] = span; + + const request = handlerData.args[0]; + + // In case the user hasn't set the second argument of a fetch call we default it to `{}`. + handlerData.args[1] = handlerData.args[1] || {}; + + // eslint-disable-next-line @typescript-eslint/no-explicit-any + const options = handlerData.args[1]; + + if (shouldAttachHeaders(handlerData.fetchData.url)) { + options.headers = addTracingHeadersToFetchRequest( + request, + activeTransaction.getDynamicSamplingContext(), + span, + options, + ); + + activeTransaction.metadata.propagations += 1; + } + } + } + + function addTracingHeadersToFetchRequest( + request, + dynamicSamplingContext, + span, + options + + , + ) { + const sentryBaggageHeader = dynamicSamplingContextToSentryBaggageHeader(dynamicSamplingContext); + const sentryTraceHeader = span.toTraceparent(); + + const headers = + typeof Request !== 'undefined' && isInstanceOf(request, Request) ? (request ).headers : options.headers; + + if (!headers) { + return { 'sentry-trace': sentryTraceHeader, baggage: sentryBaggageHeader }; + } else if (typeof Headers !== 'undefined' && isInstanceOf(headers, Headers)) { + const newHeaders = new Headers(headers ); + + newHeaders.append('sentry-trace', sentryTraceHeader); + + if (sentryBaggageHeader) { + // If the same header is appended miultiple times the browser will merge the values into a single request header. + // Its therefore safe to simply push a "baggage" entry, even though there might already be another baggage header. + newHeaders.append(BAGGAGE_HEADER_NAME, sentryBaggageHeader); + } + + return newHeaders ; + } else if (Array.isArray(headers)) { + const newHeaders = [...headers, ['sentry-trace', sentryTraceHeader]]; + + if (sentryBaggageHeader) { + // If there are multiple entries with the same key, the browser will merge the values into a single request header. + // Its therefore safe to simply push a "baggage" entry, even though there might already be another baggage header. + newHeaders.push([BAGGAGE_HEADER_NAME, sentryBaggageHeader]); + } + + return newHeaders; + } else { + const existingBaggageHeader = 'baggage' in headers ? headers.baggage : undefined; + const newBaggageHeaders = []; + + if (Array.isArray(existingBaggageHeader)) { + newBaggageHeaders.push(...existingBaggageHeader); + } else if (existingBaggageHeader) { + newBaggageHeaders.push(existingBaggageHeader); + } + + if (sentryBaggageHeader) { + newBaggageHeaders.push(sentryBaggageHeader); + } + + return { + ...(headers ), + 'sentry-trace': sentryTraceHeader, + baggage: newBaggageHeaders.length > 0 ? newBaggageHeaders.join(',') : undefined, + }; + } + } + + /** + * Create and track xhr request spans + */ + function xhrCallback( + handlerData, + shouldCreateSpan, + shouldAttachHeaders, + spans, + ) { + if ( + !hasTracingEnabled() || + (handlerData.xhr && handlerData.xhr.__sentry_own_request__) || + !(handlerData.xhr && handlerData.xhr.__sentry_xhr__ && shouldCreateSpan(handlerData.xhr.__sentry_xhr__.url)) + ) { + return; + } + + const xhr = handlerData.xhr.__sentry_xhr__; + + // check first if the request has finished and is tracked by an existing span which should now end + if (handlerData.endTimestamp) { + const spanId = handlerData.xhr.__sentry_xhr_span_id__; + if (!spanId) return; + + const span = spans[spanId]; + if (span) { + span.setHttpStatus(xhr.status_code); + span.finish(); + + // eslint-disable-next-line @typescript-eslint/no-dynamic-delete + delete spans[spanId]; + } + return; + } + + // if not, create a new span to track it + const activeTransaction = getActiveTransaction(); + if (activeTransaction) { + const span = activeTransaction.startChild({ + data: { + ...xhr.data, + type: 'xhr', + method: xhr.method, + url: xhr.url, + }, + description: `${xhr.method} ${xhr.url}`, + op: 'http.client', + }); + + handlerData.xhr.__sentry_xhr_span_id__ = span.spanId; + spans[handlerData.xhr.__sentry_xhr_span_id__] = span; + + if (handlerData.xhr.setRequestHeader && shouldAttachHeaders(handlerData.xhr.__sentry_xhr__.url)) { + try { + handlerData.xhr.setRequestHeader('sentry-trace', span.toTraceparent()); + + const dynamicSamplingContext = activeTransaction.getDynamicSamplingContext(); + const sentryBaggageHeader = dynamicSamplingContextToSentryBaggageHeader(dynamicSamplingContext); + + if (sentryBaggageHeader) { + // From MDN: "If this method is called several times with the same header, the values are merged into one single request header." + // We can therefore simply set a baggage header without checking what was there before + // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/setRequestHeader + handlerData.xhr.setRequestHeader(BAGGAGE_HEADER_NAME, sentryBaggageHeader); + } + + activeTransaction.metadata.propagations += 1; + } catch (_) { + // Error: InvalidStateError: Failed to execute 'setRequestHeader' on 'XMLHttpRequest': The object's state must be OPENED. + } + } + } + } + + /** + * Default function implementing pageload and navigation transactions + */ + function instrumentRoutingWithDefaults( + customStartTransaction, + startTransactionOnPageLoad = true, + startTransactionOnLocationChange = true, + ) { + if (!WINDOW || !WINDOW.location) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.warn('Could not initialize routing instrumentation due to invalid location'); + return; + } + + let startingUrl = WINDOW.location.href; + + let activeTransaction; + if (startTransactionOnPageLoad) { + activeTransaction = customStartTransaction({ + name: WINDOW.location.pathname, + op: 'pageload', + metadata: { source: 'url' }, + }); + } + + if (startTransactionOnLocationChange) { + addInstrumentationHandler('history', ({ to, from }) => { + /** + * This early return is there to account for some cases where a navigation transaction starts right after + * long-running pageload. We make sure that if `from` is undefined and a valid `startingURL` exists, we don't + * create an uneccessary navigation transaction. + * + * This was hard to duplicate, but this behavior stopped as soon as this fix was applied. This issue might also + * only be caused in certain development environments where the usage of a hot module reloader is causing + * errors. + */ + if (from === undefined && startingUrl && startingUrl.indexOf(to) !== -1) { + startingUrl = undefined; + return; + } + + if (from !== to) { + startingUrl = undefined; + if (activeTransaction) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] Finishing current transaction with op: ${activeTransaction.op}`); + // If there's an open transaction on the scope, we need to finish it before creating an new one. + activeTransaction.finish(); + } + activeTransaction = customStartTransaction({ + name: WINDOW.location.pathname, + op: 'navigation', + metadata: { source: 'url' }, + }); + } + }); + } + } + + const BROWSER_TRACING_INTEGRATION_ID = 'BrowserTracing'; + + /** Options for Browser Tracing integration */ + + const DEFAULT_BROWSER_TRACING_OPTIONS = { + idleTimeout: DEFAULT_IDLE_TIMEOUT, + finalTimeout: DEFAULT_FINAL_TIMEOUT, + heartbeatInterval: DEFAULT_HEARTBEAT_INTERVAL, + markBackgroundTransactions: true, + routingInstrumentation: instrumentRoutingWithDefaults, + startTransactionOnLocationChange: true, + startTransactionOnPageLoad: true, + _experiments: { enableLongTask: true }, + ...defaultRequestInstrumentationOptions, + }; + + /** + * The Browser Tracing integration automatically instruments browser pageload/navigation + * actions as transactions, and captures requests, metrics and errors as spans. + * + * The integration can be configured with a variety of options, and can be extended to use + * any routing library. This integration uses {@see IdleTransaction} to create transactions. + */ + class BrowserTracing$1 { + // This class currently doesn't have a static `id` field like the other integration classes, because it prevented + // @sentry/tracing from being treeshaken. Tree shakers do not like static fields, because they behave like side effects. + // TODO: Come up with a better plan, than using static fields on integration classes, and use that plan on all + // integrations. + + /** Browser Tracing integration options */ + + /** + * @inheritDoc + */ + __init() {this.name = BROWSER_TRACING_INTEGRATION_ID;} + + constructor(_options) {BrowserTracing$1.prototype.__init.call(this); + this.options = { + ...DEFAULT_BROWSER_TRACING_OPTIONS, + ..._options, + }; + + const { _metricOptions } = this.options; + startTrackingWebVitals(_metricOptions && _metricOptions._reportAllChanges); + if (_optionalChain([this, 'access', _2 => _2.options, 'access', _3 => _3._experiments, 'optionalAccess', _4 => _4.enableLongTask])) { + startTrackingLongTasks(); + } + } + + /** + * @inheritDoc + */ + setupOnce(_, getCurrentHub) { + this._getCurrentHub = getCurrentHub; + + // eslint-disable-next-line @typescript-eslint/unbound-method + const { + routingInstrumentation: instrumentRouting, + startTransactionOnLocationChange, + startTransactionOnPageLoad, + markBackgroundTransactions, + traceFetch, + traceXHR, + // eslint-disable-next-line deprecation/deprecation + tracingOrigins, + shouldCreateSpanForRequest, + } = this.options; + + instrumentRouting( + (context) => this._createRouteTransaction(context), + startTransactionOnPageLoad, + startTransactionOnLocationChange, + ); + + if (markBackgroundTransactions) { + registerBackgroundTabDetection(); + } + + instrumentOutgoingRequests({ traceFetch, traceXHR, tracingOrigins, shouldCreateSpanForRequest }); + } + + /** Create routing idle transaction. */ + _createRouteTransaction(context) { + if (!this._getCurrentHub) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.warn(`[Tracing] Did not create ${context.op} transaction because _getCurrentHub is invalid.`); + return undefined; + } + + // eslint-disable-next-line @typescript-eslint/unbound-method + const { beforeNavigate, idleTimeout, finalTimeout, heartbeatInterval } = this.options; + + const isPageloadTransaction = context.op === 'pageload'; + + const sentryTraceMetaTagValue = isPageloadTransaction ? getMetaContent('sentry-trace') : null; + const baggageMetaTagValue = isPageloadTransaction ? getMetaContent('baggage') : null; + + const traceParentData = sentryTraceMetaTagValue ? extractTraceparentData(sentryTraceMetaTagValue) : undefined; + const dynamicSamplingContext = baggageMetaTagValue + ? baggageHeaderToDynamicSamplingContext(baggageMetaTagValue) + : undefined; + + const expandedContext = { + ...context, + ...traceParentData, + metadata: { + ...context.metadata, + dynamicSamplingContext: traceParentData && !dynamicSamplingContext ? {} : dynamicSamplingContext, + }, + trimEnd: true, + }; + + const modifiedContext = typeof beforeNavigate === 'function' ? beforeNavigate(expandedContext) : expandedContext; + + // For backwards compatibility reasons, beforeNavigate can return undefined to "drop" the transaction (prevent it + // from being sent to Sentry). + const finalContext = modifiedContext === undefined ? { ...expandedContext, sampled: false } : modifiedContext; + + // If `beforeNavigate` set a custom name, record that fact + finalContext.metadata = + finalContext.name !== expandedContext.name + ? { ...finalContext.metadata, source: 'custom' } + : finalContext.metadata; + + if (finalContext.sampled === false) { + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && + logger.log(`[Tracing] Will not send ${finalContext.op} transaction because of beforeNavigate.`); + } + + (typeof __SENTRY_DEBUG__ === 'undefined' || __SENTRY_DEBUG__) && logger.log(`[Tracing] Starting ${finalContext.op} transaction on scope`); + + const hub = this._getCurrentHub(); + const { location } = WINDOW; + + const idleTransaction = startIdleTransaction( + hub, + finalContext, + idleTimeout, + finalTimeout, + true, + { location }, // for use in the tracesSampler + heartbeatInterval, + ); + idleTransaction.registerBeforeFinishCallback(transaction => { + addPerformanceEntries(transaction); + transaction.setTag( + 'sentry_reportAllChanges', + Boolean(this.options._metricOptions && this.options._metricOptions._reportAllChanges), + ); + }); + + return idleTransaction ; + } + } + + /** Returns the value of a meta tag */ + function getMetaContent(metaName) { + // Can't specify generic to `getDomElement` because tracing can be used + // in a variety of environments, have to disable `no-unsafe-member-access` + // as a result. + const metaTag = getDomElement(`meta[name=${metaName}]`); + // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access + return metaTag ? metaTag.getAttribute('content') : null; + } + + var index = /*#__PURE__*/Object.freeze({ + __proto__: null, + Express: Express, + Postgres: Postgres, + Mysql: Mysql, + Mongo: Mongo, + Prisma: Prisma, + GraphQL: GraphQL, + Apollo: Apollo, + BrowserTracing: BrowserTracing$1 + }); + + /** The status of an Span. + * + * @deprecated Use string literals - if you require type casting, cast to SpanStatusType type + */ + // eslint-disable-next-line import/export + var SpanStatus; (function (SpanStatus) { + /** The operation completed successfully. */ + const Ok = 'ok'; SpanStatus["Ok"] = Ok; + /** Deadline expired before operation could complete. */ + const DeadlineExceeded = 'deadline_exceeded'; SpanStatus["DeadlineExceeded"] = DeadlineExceeded; + /** 401 Unauthorized (actually does mean unauthenticated according to RFC 7235) */ + const Unauthenticated = 'unauthenticated'; SpanStatus["Unauthenticated"] = Unauthenticated; + /** 403 Forbidden */ + const PermissionDenied = 'permission_denied'; SpanStatus["PermissionDenied"] = PermissionDenied; + /** 404 Not Found. Some requested entity (file or directory) was not found. */ + const NotFound = 'not_found'; SpanStatus["NotFound"] = NotFound; + /** 429 Too Many Requests */ + const ResourceExhausted = 'resource_exhausted'; SpanStatus["ResourceExhausted"] = ResourceExhausted; + /** Client specified an invalid argument. 4xx. */ + const InvalidArgument = 'invalid_argument'; SpanStatus["InvalidArgument"] = InvalidArgument; + /** 501 Not Implemented */ + const Unimplemented = 'unimplemented'; SpanStatus["Unimplemented"] = Unimplemented; + /** 503 Service Unavailable */ + const Unavailable = 'unavailable'; SpanStatus["Unavailable"] = Unavailable; + /** Other/generic 5xx. */ + const InternalError = 'internal_error'; SpanStatus["InternalError"] = InternalError; + /** Unknown. Any non-standard HTTP status code. */ + const UnknownError = 'unknown_error'; SpanStatus["UnknownError"] = UnknownError; + /** The operation was cancelled (typically by the user). */ + const Cancelled = 'cancelled'; SpanStatus["Cancelled"] = Cancelled; + /** Already exists (409) */ + const AlreadyExists = 'already_exists'; SpanStatus["AlreadyExists"] = AlreadyExists; + /** Operation was rejected because the system is not in a state required for the operation's */ + const FailedPrecondition = 'failed_precondition'; SpanStatus["FailedPrecondition"] = FailedPrecondition; + /** The operation was aborted, typically due to a concurrency issue. */ + const Aborted = 'aborted'; SpanStatus["Aborted"] = Aborted; + /** Operation was attempted past the valid range. */ + const OutOfRange = 'out_of_range'; SpanStatus["OutOfRange"] = OutOfRange; + /** Unrecoverable data loss or corruption */ + const DataLoss = 'data_loss'; SpanStatus["DataLoss"] = DataLoss; + })(SpanStatus || (SpanStatus = {})); + + // Treeshakable guard to remove all code related to tracing + + // Guard for tree + if (typeof __SENTRY_TRACING__ === 'undefined' || __SENTRY_TRACING__) { + // We are patching the global object with our hub extension methods + addExtensionMethods(); + } + + var esm = /*#__PURE__*/Object.freeze({ + __proto__: null, + Integrations: index, + addExtensionMethods: addExtensionMethods, + startIdleTransaction: startIdleTransaction, + Span: Span, + spanStatusfromHttpCode: spanStatusfromHttpCode, + get SpanStatus () { return SpanStatus; }, + Transaction: Transaction, + IdleTransaction: IdleTransaction, + getActiveTransaction: getActiveTransaction, + hasTracingEnabled: hasTracingEnabled, + BROWSER_TRACING_INTEGRATION_ID: BROWSER_TRACING_INTEGRATION_ID, + BrowserTracing: BrowserTracing$1, + defaultRequestInstrumentationOptions: defaultRequestInstrumentationOptions, + instrumentOutgoingRequests: instrumentOutgoingRequests, + TRACEPARENT_REGEXP: TRACEPARENT_REGEXP, + extractTraceparentData: extractTraceparentData, + stripUrlQueryAndFragment: stripUrlQueryAndFragment + }); + + var require$$17 = /*@__PURE__*/getAugmentedNamespace(esm); + + var metatable$1 = {exports: {}}; + + (function (module) { + { + module.exports = function(d3) { + return metatable; + }; + } + + function metatable() { + var event = d3.dispatch('change', 'rowfocus'); + + function table(selection) { + selection.each(function(d) { + var sel = d3.select(this), + table; + + var keyset = d3.set(); + d.map(Object.keys).forEach(function(k) { + k.forEach(function(_) { + keyset.add(_); + }); + }); + + bootstrap(); + paint(); + + function bootstrap() { + + var controls = sel.selectAll('.controls') + .data([d]) + .enter() + .append('div') + .attr('class', 'controls'); + + var colbutton = controls.append('button') + .on('click', function() { + var name = prompt('column name'); + if (name) { + keyset.add(name); + paint(); + } + }); + colbutton.append('span').attr('class', 'icon-plus'); + colbutton.append('span').text(' new column'); + + var enter = sel.selectAll('table').data([d]).enter().append('table'); + var thead = enter.append('thead'); + enter.append('tbody'); + thead.append('tr'); + + table = sel.select('table'); + } + + function paint() { + + var keys = keyset.values(); + + var th = table + .select('thead') + .select('tr') + .selectAll('th') + .data(keys, function(d) { return d; }); + + var thEnter = th.enter().append('th'); + + thEnter.append('span') + .text(String); + + var delbutton = thEnter.append('button'), + renamebutton = thEnter.append('button'); + + th.exit().remove(); + + var tr = table.select('tbody').selectAll('tr') + .data(function(d) { return d; }); + + tr.enter() + .append('tr'); + + tr.exit().remove(); + + var td = tr.selectAll('td') + .data(keys, function(d) { return d; }); + + td.enter() + .append('td') + .append('input') + .attr('field', String); + + td.exit().remove(); + + delbutton.on('click', deleteClick); + delbutton.append('span').attr('class', 'icon-minus'); + delbutton.append('span').text(' delete'); + + renamebutton.append('span').text(' rename'); + renamebutton.on('click', renameClick); + + function deleteClick(d) { + var name = d; + if (confirm('Delete column ' + name + '?')) { + keyset.remove(name); + tr.selectAll('input') + .data(function(d, i) { + var map = d3.map(d); + map.remove(name); + var reduced = mapToObject(map); + event.change(reduced, i); + return { + data: reduced, + index: i + }; + }); + paint(); + } + } + + function renameClick(d) { + var name = d; + var newname = prompt('New name for column ' + name + '?'); + if (newname) { + keyset.remove(name); + keyset.add(newname); + tr.selectAll('input') + .data(function(d, i) { + var map = d3.map(d); + map.set(newname, map.get(name)); + map.remove(name); + var reduced = mapToObject(map); + event.change(reduced, i); + return { + data: reduced, + index: i + }; + }); + paint(); + } + } + + function coerceNum(x) { + var fl = parseFloat(x); + if (fl.toString() === x) return fl; + else return x; + } + + function write(d) { + d.data[d3.select(this).attr('field')] = coerceNum(this.value); + event.change(d.data, d.index); + } + + function mapToObject(map) { + return map.entries() + .reduce(function(memo, d) { + memo[d.key] = d.value; + return memo; + }, {}); + } + + tr.selectAll('input') + .data(function(d, i) { + return d3.range(keys.length).map(function() { + return { + data: d, + index: i + }; + }); + }) + .classed('disabled', function(d) { + return d.data[d3.select(this).attr('field')] === undefined; + }) + .property('value', function(d) { + var value = d.data[d3.select(this).attr('field')]; + return !isNaN(value) ? value : value || ''; + }) + .on('keyup', write) + .on('change', write) + .on('click', function(d) { + if (d.data[d3.select(this).attr('field')] === undefined) { + d.data[d3.select(this).attr('field')] = ''; + paint(); + } + }) + .on('focus', function(d) { + event.rowfocus(d.data, d.index); + }); + } + }); + } + + return d3.rebind(table, event, 'on'); + } + } (metatable$1)); + + var js$8 = {}; + + var js$7 = {}; + + var js$6 = {}; + + (function (exports) { + Object.defineProperty(exports, "__esModule", { value: true }); + /** + * @module helpers + */ + /** + * Earth Radius used with the Harvesine formula and approximates using a spherical (non-ellipsoid) Earth. + * + * @memberof helpers + * @type {number} + */ + exports.earthRadius = 6371008.8; + /** + * Unit of measurement factors using a spherical (non-ellipsoid) earth radius. + * + * @memberof helpers + * @type {Object} + */ + exports.factors = { + centimeters: exports.earthRadius * 100, + centimetres: exports.earthRadius * 100, + degrees: exports.earthRadius / 111325, + feet: exports.earthRadius * 3.28084, + inches: exports.earthRadius * 39.37, + kilometers: exports.earthRadius / 1000, + kilometres: exports.earthRadius / 1000, + meters: exports.earthRadius, + metres: exports.earthRadius, + miles: exports.earthRadius / 1609.344, + millimeters: exports.earthRadius * 1000, + millimetres: exports.earthRadius * 1000, + nauticalmiles: exports.earthRadius / 1852, + radians: 1, + yards: exports.earthRadius * 1.0936, + }; + /** + * Units of measurement factors based on 1 meter. + * + * @memberof helpers + * @type {Object} + */ + exports.unitsFactors = { + centimeters: 100, + centimetres: 100, + degrees: 1 / 111325, + feet: 3.28084, + inches: 39.37, + kilometers: 1 / 1000, + kilometres: 1 / 1000, + meters: 1, + metres: 1, + miles: 1 / 1609.344, + millimeters: 1000, + millimetres: 1000, + nauticalmiles: 1 / 1852, + radians: 1 / exports.earthRadius, + yards: 1.0936133, + }; + /** + * Area of measurement factors based on 1 square meter. + * + * @memberof helpers + * @type {Object} + */ + exports.areaFactors = { + acres: 0.000247105, + centimeters: 10000, + centimetres: 10000, + feet: 10.763910417, + hectares: 0.0001, + inches: 1550.003100006, + kilometers: 0.000001, + kilometres: 0.000001, + meters: 1, + metres: 1, + miles: 3.86e-7, + millimeters: 1000000, + millimetres: 1000000, + yards: 1.195990046, + }; + /** + * Wraps a GeoJSON {@link Geometry} in a GeoJSON {@link Feature}. + * + * @name feature + * @param {Geometry} geometry input geometry + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} a GeoJSON Feature + * @example + * var geometry = { + * "type": "Point", + * "coordinates": [110, 50] + * }; + * + * var feature = turf.feature(geometry); + * + * //=feature + */ + function feature(geom, properties, options) { + if (options === void 0) { options = {}; } + var feat = { type: "Feature" }; + if (options.id === 0 || options.id) { + feat.id = options.id; + } + if (options.bbox) { + feat.bbox = options.bbox; + } + feat.properties = properties || {}; + feat.geometry = geom; + return feat; + } + exports.feature = feature; + /** + * Creates a GeoJSON {@link Geometry} from a Geometry string type & coordinates. + * For GeometryCollection type use `helpers.geometryCollection` + * + * @name geometry + * @param {string} type Geometry Type + * @param {Array} coordinates Coordinates + * @param {Object} [options={}] Optional Parameters + * @returns {Geometry} a GeoJSON Geometry + * @example + * var type = "Point"; + * var coordinates = [110, 50]; + * var geometry = turf.geometry(type, coordinates); + * // => geometry + */ + function geometry(type, coordinates, _options) { + switch (type) { + case "Point": + return point(coordinates).geometry; + case "LineString": + return lineString(coordinates).geometry; + case "Polygon": + return polygon(coordinates).geometry; + case "MultiPoint": + return multiPoint(coordinates).geometry; + case "MultiLineString": + return multiLineString(coordinates).geometry; + case "MultiPolygon": + return multiPolygon(coordinates).geometry; + default: + throw new Error(type + " is invalid"); + } + } + exports.geometry = geometry; + /** + * Creates a {@link Point} {@link Feature} from a Position. + * + * @name point + * @param {Array} coordinates longitude, latitude position (each in decimal degrees) + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} a Point feature + * @example + * var point = turf.point([-75.343, 39.984]); + * + * //=point + */ + function point(coordinates, properties, options) { + if (options === void 0) { options = {}; } + if (!coordinates) { + throw new Error("coordinates is required"); + } + if (!Array.isArray(coordinates)) { + throw new Error("coordinates must be an Array"); + } + if (coordinates.length < 2) { + throw new Error("coordinates must be at least 2 numbers long"); + } + if (!isNumber(coordinates[0]) || !isNumber(coordinates[1])) { + throw new Error("coordinates must contain numbers"); + } + var geom = { + type: "Point", + coordinates: coordinates, + }; + return feature(geom, properties, options); + } + exports.point = point; + /** + * Creates a {@link Point} {@link FeatureCollection} from an Array of Point coordinates. + * + * @name points + * @param {Array>} coordinates an array of Points + * @param {Object} [properties={}] Translate these properties to each Feature + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] + * associated with the FeatureCollection + * @param {string|number} [options.id] Identifier associated with the FeatureCollection + * @returns {FeatureCollection} Point Feature + * @example + * var points = turf.points([ + * [-75, 39], + * [-80, 45], + * [-78, 50] + * ]); + * + * //=points + */ + function points(coordinates, properties, options) { + if (options === void 0) { options = {}; } + return featureCollection(coordinates.map(function (coords) { + return point(coords, properties); + }), options); + } + exports.points = points; + /** + * Creates a {@link Polygon} {@link Feature} from an Array of LinearRings. + * + * @name polygon + * @param {Array>>} coordinates an array of LinearRings + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} Polygon Feature + * @example + * var polygon = turf.polygon([[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]], { name: 'poly1' }); + * + * //=polygon + */ + function polygon(coordinates, properties, options) { + if (options === void 0) { options = {}; } + for (var _i = 0, coordinates_1 = coordinates; _i < coordinates_1.length; _i++) { + var ring = coordinates_1[_i]; + if (ring.length < 4) { + throw new Error("Each LinearRing of a Polygon must have 4 or more Positions."); + } + for (var j = 0; j < ring[ring.length - 1].length; j++) { + // Check if first point of Polygon contains two numbers + if (ring[ring.length - 1][j] !== ring[0][j]) { + throw new Error("First and last Position are not equivalent."); + } + } + } + var geom = { + type: "Polygon", + coordinates: coordinates, + }; + return feature(geom, properties, options); + } + exports.polygon = polygon; + /** + * Creates a {@link Polygon} {@link FeatureCollection} from an Array of Polygon coordinates. + * + * @name polygons + * @param {Array>>>} coordinates an array of Polygon coordinates + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the FeatureCollection + * @returns {FeatureCollection} Polygon FeatureCollection + * @example + * var polygons = turf.polygons([ + * [[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]], + * [[[-15, 42], [-14, 46], [-12, 41], [-17, 44], [-15, 42]]], + * ]); + * + * //=polygons + */ + function polygons(coordinates, properties, options) { + if (options === void 0) { options = {}; } + return featureCollection(coordinates.map(function (coords) { + return polygon(coords, properties); + }), options); + } + exports.polygons = polygons; + /** + * Creates a {@link LineString} {@link Feature} from an Array of Positions. + * + * @name lineString + * @param {Array>} coordinates an array of Positions + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} LineString Feature + * @example + * var linestring1 = turf.lineString([[-24, 63], [-23, 60], [-25, 65], [-20, 69]], {name: 'line 1'}); + * var linestring2 = turf.lineString([[-14, 43], [-13, 40], [-15, 45], [-10, 49]], {name: 'line 2'}); + * + * //=linestring1 + * //=linestring2 + */ + function lineString(coordinates, properties, options) { + if (options === void 0) { options = {}; } + if (coordinates.length < 2) { + throw new Error("coordinates must be an array of two or more positions"); + } + var geom = { + type: "LineString", + coordinates: coordinates, + }; + return feature(geom, properties, options); + } + exports.lineString = lineString; + /** + * Creates a {@link LineString} {@link FeatureCollection} from an Array of LineString coordinates. + * + * @name lineStrings + * @param {Array>>} coordinates an array of LinearRings + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] + * associated with the FeatureCollection + * @param {string|number} [options.id] Identifier associated with the FeatureCollection + * @returns {FeatureCollection} LineString FeatureCollection + * @example + * var linestrings = turf.lineStrings([ + * [[-24, 63], [-23, 60], [-25, 65], [-20, 69]], + * [[-14, 43], [-13, 40], [-15, 45], [-10, 49]] + * ]); + * + * //=linestrings + */ + function lineStrings(coordinates, properties, options) { + if (options === void 0) { options = {}; } + return featureCollection(coordinates.map(function (coords) { + return lineString(coords, properties); + }), options); + } + exports.lineStrings = lineStrings; + /** + * Takes one or more {@link Feature|Features} and creates a {@link FeatureCollection}. + * + * @name featureCollection + * @param {Feature[]} features input features + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {FeatureCollection} FeatureCollection of Features + * @example + * var locationA = turf.point([-75.343, 39.984], {name: 'Location A'}); + * var locationB = turf.point([-75.833, 39.284], {name: 'Location B'}); + * var locationC = turf.point([-75.534, 39.123], {name: 'Location C'}); + * + * var collection = turf.featureCollection([ + * locationA, + * locationB, + * locationC + * ]); + * + * //=collection + */ + function featureCollection(features, options) { + if (options === void 0) { options = {}; } + var fc = { type: "FeatureCollection" }; + if (options.id) { + fc.id = options.id; + } + if (options.bbox) { + fc.bbox = options.bbox; + } + fc.features = features; + return fc; + } + exports.featureCollection = featureCollection; + /** + * Creates a {@link Feature} based on a + * coordinate array. Properties can be added optionally. + * + * @name multiLineString + * @param {Array>>} coordinates an array of LineStrings + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} a MultiLineString feature + * @throws {Error} if no coordinates are passed + * @example + * var multiLine = turf.multiLineString([[[0,0],[10,10]]]); + * + * //=multiLine + */ + function multiLineString(coordinates, properties, options) { + if (options === void 0) { options = {}; } + var geom = { + type: "MultiLineString", + coordinates: coordinates, + }; + return feature(geom, properties, options); + } + exports.multiLineString = multiLineString; + /** + * Creates a {@link Feature} based on a + * coordinate array. Properties can be added optionally. + * + * @name multiPoint + * @param {Array>} coordinates an array of Positions + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} a MultiPoint feature + * @throws {Error} if no coordinates are passed + * @example + * var multiPt = turf.multiPoint([[0,0],[10,10]]); + * + * //=multiPt + */ + function multiPoint(coordinates, properties, options) { + if (options === void 0) { options = {}; } + var geom = { + type: "MultiPoint", + coordinates: coordinates, + }; + return feature(geom, properties, options); + } + exports.multiPoint = multiPoint; + /** + * Creates a {@link Feature} based on a + * coordinate array. Properties can be added optionally. + * + * @name multiPolygon + * @param {Array>>>} coordinates an array of Polygons + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} a multipolygon feature + * @throws {Error} if no coordinates are passed + * @example + * var multiPoly = turf.multiPolygon([[[[0,0],[0,10],[10,10],[10,0],[0,0]]]]); + * + * //=multiPoly + * + */ + function multiPolygon(coordinates, properties, options) { + if (options === void 0) { options = {}; } + var geom = { + type: "MultiPolygon", + coordinates: coordinates, + }; + return feature(geom, properties, options); + } + exports.multiPolygon = multiPolygon; + /** + * Creates a {@link Feature} based on a + * coordinate array. Properties can be added optionally. + * + * @name geometryCollection + * @param {Array} geometries an array of GeoJSON Geometries + * @param {Object} [properties={}] an Object of key-value pairs to add as properties + * @param {Object} [options={}] Optional Parameters + * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature + * @param {string|number} [options.id] Identifier associated with the Feature + * @returns {Feature} a GeoJSON GeometryCollection Feature + * @example + * var pt = turf.geometry("Point", [100, 0]); + * var line = turf.geometry("LineString", [[101, 0], [102, 1]]); + * var collection = turf.geometryCollection([pt, line]); + * + * // => collection + */ + function geometryCollection(geometries, properties, options) { + if (options === void 0) { options = {}; } + var geom = { + type: "GeometryCollection", + geometries: geometries, + }; + return feature(geom, properties, options); + } + exports.geometryCollection = geometryCollection; + /** + * Round number to precision + * + * @param {number} num Number + * @param {number} [precision=0] Precision + * @returns {number} rounded number + * @example + * turf.round(120.4321) + * //=120 + * + * turf.round(120.4321, 2) + * //=120.43 + */ + function round(num, precision) { + if (precision === void 0) { precision = 0; } + if (precision && !(precision >= 0)) { + throw new Error("precision must be a positive number"); + } + var multiplier = Math.pow(10, precision || 0); + return Math.round(num * multiplier) / multiplier; + } + exports.round = round; + /** + * Convert a distance measurement (assuming a spherical Earth) from radians to a more friendly unit. + * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet + * + * @name radiansToLength + * @param {number} radians in radians across the sphere + * @param {string} [units="kilometers"] can be degrees, radians, miles, inches, yards, metres, + * meters, kilometres, kilometers. + * @returns {number} distance + */ + function radiansToLength(radians, units) { + if (units === void 0) { units = "kilometers"; } + var factor = exports.factors[units]; + if (!factor) { + throw new Error(units + " units is invalid"); + } + return radians * factor; + } + exports.radiansToLength = radiansToLength; + /** + * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into radians + * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet + * + * @name lengthToRadians + * @param {number} distance in real units + * @param {string} [units="kilometers"] can be degrees, radians, miles, inches, yards, metres, + * meters, kilometres, kilometers. + * @returns {number} radians + */ + function lengthToRadians(distance, units) { + if (units === void 0) { units = "kilometers"; } + var factor = exports.factors[units]; + if (!factor) { + throw new Error(units + " units is invalid"); + } + return distance / factor; + } + exports.lengthToRadians = lengthToRadians; + /** + * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into degrees + * Valid units: miles, nauticalmiles, inches, yards, meters, metres, centimeters, kilometres, feet + * + * @name lengthToDegrees + * @param {number} distance in real units + * @param {string} [units="kilometers"] can be degrees, radians, miles, inches, yards, metres, + * meters, kilometres, kilometers. + * @returns {number} degrees + */ + function lengthToDegrees(distance, units) { + return radiansToDegrees(lengthToRadians(distance, units)); + } + exports.lengthToDegrees = lengthToDegrees; + /** + * Converts any bearing angle from the north line direction (positive clockwise) + * and returns an angle between 0-360 degrees (positive clockwise), 0 being the north line + * + * @name bearingToAzimuth + * @param {number} bearing angle, between -180 and +180 degrees + * @returns {number} angle between 0 and 360 degrees + */ + function bearingToAzimuth(bearing) { + var angle = bearing % 360; + if (angle < 0) { + angle += 360; + } + return angle; + } + exports.bearingToAzimuth = bearingToAzimuth; + /** + * Converts an angle in radians to degrees + * + * @name radiansToDegrees + * @param {number} radians angle in radians + * @returns {number} degrees between 0 and 360 degrees + */ + function radiansToDegrees(radians) { + var degrees = radians % (2 * Math.PI); + return (degrees * 180) / Math.PI; + } + exports.radiansToDegrees = radiansToDegrees; + /** + * Converts an angle in degrees to radians + * + * @name degreesToRadians + * @param {number} degrees angle between 0 and 360 degrees + * @returns {number} angle in radians + */ + function degreesToRadians(degrees) { + var radians = degrees % 360; + return (radians * Math.PI) / 180; + } + exports.degreesToRadians = degreesToRadians; + /** + * Converts a length to the requested unit. + * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet + * + * @param {number} length to be converted + * @param {Units} [originalUnit="kilometers"] of the length + * @param {Units} [finalUnit="kilometers"] returned unit + * @returns {number} the converted length + */ + function convertLength(length, originalUnit, finalUnit) { + if (originalUnit === void 0) { originalUnit = "kilometers"; } + if (finalUnit === void 0) { finalUnit = "kilometers"; } + if (!(length >= 0)) { + throw new Error("length must be a positive number"); + } + return radiansToLength(lengthToRadians(length, originalUnit), finalUnit); + } + exports.convertLength = convertLength; + /** + * Converts a area to the requested unit. + * Valid units: kilometers, kilometres, meters, metres, centimetres, millimeters, acres, miles, yards, feet, inches, hectares + * @param {number} area to be converted + * @param {Units} [originalUnit="meters"] of the distance + * @param {Units} [finalUnit="kilometers"] returned unit + * @returns {number} the converted area + */ + function convertArea(area, originalUnit, finalUnit) { + if (originalUnit === void 0) { originalUnit = "meters"; } + if (finalUnit === void 0) { finalUnit = "kilometers"; } + if (!(area >= 0)) { + throw new Error("area must be a positive number"); + } + var startFactor = exports.areaFactors[originalUnit]; + if (!startFactor) { + throw new Error("invalid original units"); + } + var finalFactor = exports.areaFactors[finalUnit]; + if (!finalFactor) { + throw new Error("invalid final units"); + } + return (area / startFactor) * finalFactor; + } + exports.convertArea = convertArea; + /** + * isNumber + * + * @param {*} num Number to validate + * @returns {boolean} true/false + * @example + * turf.isNumber(123) + * //=true + * turf.isNumber('foo') + * //=false + */ + function isNumber(num) { + return !isNaN(num) && num !== null && !Array.isArray(num); + } + exports.isNumber = isNumber; + /** + * isObject + * + * @param {*} input variable to validate + * @returns {boolean} true/false + * @example + * turf.isObject({elevation: 10}) + * //=true + * turf.isObject('foo') + * //=false + */ + function isObject(input) { + return !!input && input.constructor === Object; + } + exports.isObject = isObject; + /** + * Validate BBox + * + * @private + * @param {Array} bbox BBox to validate + * @returns {void} + * @throws Error if BBox is not valid + * @example + * validateBBox([-180, -40, 110, 50]) + * //=OK + * validateBBox([-180, -40]) + * //=Error + * validateBBox('Foo') + * //=Error + * validateBBox(5) + * //=Error + * validateBBox(null) + * //=Error + * validateBBox(undefined) + * //=Error + */ + function validateBBox(bbox) { + if (!bbox) { + throw new Error("bbox is required"); + } + if (!Array.isArray(bbox)) { + throw new Error("bbox must be an Array"); + } + if (bbox.length !== 4 && bbox.length !== 6) { + throw new Error("bbox must be an Array of 4 or 6 numbers"); + } + bbox.forEach(function (num) { + if (!isNumber(num)) { + throw new Error("bbox must only contain numbers"); + } + }); + } + exports.validateBBox = validateBBox; + /** + * Validate Id + * + * @private + * @param {string|number} id Id to validate + * @returns {void} + * @throws Error if Id is not valid + * @example + * validateId([-180, -40, 110, 50]) + * //=Error + * validateId([-180, -40]) + * //=Error + * validateId('Foo') + * //=OK + * validateId(5) + * //=OK + * validateId(null) + * //=Error + * validateId(undefined) + * //=Error + */ + function validateId(id) { + if (!id) { + throw new Error("id is required"); + } + if (["string", "number"].indexOf(typeof id) === -1) { + throw new Error("id must be a number or a string"); + } + } + exports.validateId = validateId; + } (js$6)); + + Object.defineProperty(js$7, '__esModule', { value: true }); + + var helpers = js$6; + + /** + * Callback for coordEach + * + * @callback coordEachCallback + * @param {Array} currentCoord The current coordinate being processed. + * @param {number} coordIndex The current index of the coordinate being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed. + * @param {number} geometryIndex The current index of the Geometry being processed. + */ + + /** + * Iterate over coordinates in any GeoJSON object, similar to Array.forEach() + * + * @name coordEach + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (currentCoord, coordIndex, featureIndex, multiFeatureIndex) + * @param {boolean} [excludeWrapCoord=false] whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration. + * @returns {void} + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {"foo": "bar"}), + * turf.point([36, 53], {"hello": "world"}) + * ]); + * + * turf.coordEach(features, function (currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) { + * //=currentCoord + * //=coordIndex + * //=featureIndex + * //=multiFeatureIndex + * //=geometryIndex + * }); + */ + function coordEach(geojson, callback, excludeWrapCoord) { + // Handles null Geometry -- Skips this GeoJSON + if (geojson === null) return; + var j, + k, + l, + geometry, + stopG, + coords, + geometryMaybeCollection, + wrapShrink = 0, + coordIndex = 0, + isGeometryCollection, + type = geojson.type, + isFeatureCollection = type === "FeatureCollection", + isFeature = type === "Feature", + stop = isFeatureCollection ? geojson.features.length : 1; + + // This logic may look a little weird. The reason why it is that way + // is because it's trying to be fast. GeoJSON supports multiple kinds + // of objects at its root: FeatureCollection, Features, Geometries. + // This function has the responsibility of handling all of them, and that + // means that some of the `for` loops you see below actually just don't apply + // to certain inputs. For instance, if you give this just a + // Point geometry, then both loops are short-circuited and all we do + // is gradually rename the input until it's called 'geometry'. + // + // This also aims to allocate as few resources as possible: just a + // few numbers and booleans, rather than any temporary arrays as would + // be required with the normalization approach. + for (var featureIndex = 0; featureIndex < stop; featureIndex++) { + geometryMaybeCollection = isFeatureCollection + ? geojson.features[featureIndex].geometry + : isFeature + ? geojson.geometry + : geojson; + isGeometryCollection = geometryMaybeCollection + ? geometryMaybeCollection.type === "GeometryCollection" + : false; + stopG = isGeometryCollection + ? geometryMaybeCollection.geometries.length + : 1; + + for (var geomIndex = 0; geomIndex < stopG; geomIndex++) { + var multiFeatureIndex = 0; + var geometryIndex = 0; + geometry = isGeometryCollection + ? geometryMaybeCollection.geometries[geomIndex] + : geometryMaybeCollection; + + // Handles null Geometry -- Skips this geometry + if (geometry === null) continue; + coords = geometry.coordinates; + var geomType = geometry.type; + + wrapShrink = + excludeWrapCoord && + (geomType === "Polygon" || geomType === "MultiPolygon") + ? 1 + : 0; + + switch (geomType) { + case null: + break; + case "Point": + if ( + callback( + coords, + coordIndex, + featureIndex, + multiFeatureIndex, + geometryIndex + ) === false + ) + return false; + coordIndex++; + multiFeatureIndex++; + break; + case "LineString": + case "MultiPoint": + for (j = 0; j < coords.length; j++) { + if ( + callback( + coords[j], + coordIndex, + featureIndex, + multiFeatureIndex, + geometryIndex + ) === false + ) + return false; + coordIndex++; + if (geomType === "MultiPoint") multiFeatureIndex++; + } + if (geomType === "LineString") multiFeatureIndex++; + break; + case "Polygon": + case "MultiLineString": + for (j = 0; j < coords.length; j++) { + for (k = 0; k < coords[j].length - wrapShrink; k++) { + if ( + callback( + coords[j][k], + coordIndex, + featureIndex, + multiFeatureIndex, + geometryIndex + ) === false + ) + return false; + coordIndex++; + } + if (geomType === "MultiLineString") multiFeatureIndex++; + if (geomType === "Polygon") geometryIndex++; + } + if (geomType === "Polygon") multiFeatureIndex++; + break; + case "MultiPolygon": + for (j = 0; j < coords.length; j++) { + geometryIndex = 0; + for (k = 0; k < coords[j].length; k++) { + for (l = 0; l < coords[j][k].length - wrapShrink; l++) { + if ( + callback( + coords[j][k][l], + coordIndex, + featureIndex, + multiFeatureIndex, + geometryIndex + ) === false + ) + return false; + coordIndex++; + } + geometryIndex++; + } + multiFeatureIndex++; + } + break; + case "GeometryCollection": + for (j = 0; j < geometry.geometries.length; j++) + if ( + coordEach(geometry.geometries[j], callback, excludeWrapCoord) === + false + ) + return false; + break; + default: + throw new Error("Unknown Geometry Type"); + } + } + } + } + + /** + * Callback for coordReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback coordReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {Array} currentCoord The current coordinate being processed. + * @param {number} coordIndex The current index of the coordinate being processed. + * Starts at index 0, if an initialValue is provided, and at index 1 otherwise. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed. + * @param {number} geometryIndex The current index of the Geometry being processed. + */ + + /** + * Reduce coordinates in any GeoJSON object, similar to Array.reduce() + * + * @name coordReduce + * @param {FeatureCollection|Geometry|Feature} geojson any GeoJSON object + * @param {Function} callback a method that takes (previousValue, currentCoord, coordIndex) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @param {boolean} [excludeWrapCoord=false] whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration. + * @returns {*} The value that results from the reduction. + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {"foo": "bar"}), + * turf.point([36, 53], {"hello": "world"}) + * ]); + * + * turf.coordReduce(features, function (previousValue, currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) { + * //=previousValue + * //=currentCoord + * //=coordIndex + * //=featureIndex + * //=multiFeatureIndex + * //=geometryIndex + * return currentCoord; + * }); + */ + function coordReduce(geojson, callback, initialValue, excludeWrapCoord) { + var previousValue = initialValue; + coordEach( + geojson, + function ( + currentCoord, + coordIndex, + featureIndex, + multiFeatureIndex, + geometryIndex + ) { + if (coordIndex === 0 && initialValue === undefined) + previousValue = currentCoord; + else + previousValue = callback( + previousValue, + currentCoord, + coordIndex, + featureIndex, + multiFeatureIndex, + geometryIndex + ); + }, + excludeWrapCoord + ); + return previousValue; + } + + /** + * Callback for propEach + * + * @callback propEachCallback + * @param {Object} currentProperties The current Properties being processed. + * @param {number} featureIndex The current index of the Feature being processed. + */ + + /** + * Iterate over properties in any GeoJSON object, similar to Array.forEach() + * + * @name propEach + * @param {FeatureCollection|Feature} geojson any GeoJSON object + * @param {Function} callback a method that takes (currentProperties, featureIndex) + * @returns {void} + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.point([36, 53], {hello: 'world'}) + * ]); + * + * turf.propEach(features, function (currentProperties, featureIndex) { + * //=currentProperties + * //=featureIndex + * }); + */ + function propEach(geojson, callback) { + var i; + switch (geojson.type) { + case "FeatureCollection": + for (i = 0; i < geojson.features.length; i++) { + if (callback(geojson.features[i].properties, i) === false) break; + } + break; + case "Feature": + callback(geojson.properties, 0); + break; + } + } + + /** + * Callback for propReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback propReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {*} currentProperties The current Properties being processed. + * @param {number} featureIndex The current index of the Feature being processed. + */ + + /** + * Reduce properties in any GeoJSON object into a single value, + * similar to how Array.reduce works. However, in this case we lazily run + * the reduction, so an array of all properties is unnecessary. + * + * @name propReduce + * @param {FeatureCollection|Feature} geojson any GeoJSON object + * @param {Function} callback a method that takes (previousValue, currentProperties, featureIndex) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @returns {*} The value that results from the reduction. + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.point([36, 53], {hello: 'world'}) + * ]); + * + * turf.propReduce(features, function (previousValue, currentProperties, featureIndex) { + * //=previousValue + * //=currentProperties + * //=featureIndex + * return currentProperties + * }); + */ + function propReduce(geojson, callback, initialValue) { + var previousValue = initialValue; + propEach(geojson, function (currentProperties, featureIndex) { + if (featureIndex === 0 && initialValue === undefined) + previousValue = currentProperties; + else + previousValue = callback(previousValue, currentProperties, featureIndex); + }); + return previousValue; + } + + /** + * Callback for featureEach + * + * @callback featureEachCallback + * @param {Feature} currentFeature The current Feature being processed. + * @param {number} featureIndex The current index of the Feature being processed. + */ + + /** + * Iterate over features in any GeoJSON object, similar to + * Array.forEach. + * + * @name featureEach + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (currentFeature, featureIndex) + * @returns {void} + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.point([36, 53], {hello: 'world'}) + * ]); + * + * turf.featureEach(features, function (currentFeature, featureIndex) { + * //=currentFeature + * //=featureIndex + * }); + */ + function featureEach(geojson, callback) { + if (geojson.type === "Feature") { + callback(geojson, 0); + } else if (geojson.type === "FeatureCollection") { + for (var i = 0; i < geojson.features.length; i++) { + if (callback(geojson.features[i], i) === false) break; + } + } + } + + /** + * Callback for featureReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback featureReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {Feature} currentFeature The current Feature being processed. + * @param {number} featureIndex The current index of the Feature being processed. + */ + + /** + * Reduce features in any GeoJSON object, similar to Array.reduce(). + * + * @name featureReduce + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (previousValue, currentFeature, featureIndex) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @returns {*} The value that results from the reduction. + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {"foo": "bar"}), + * turf.point([36, 53], {"hello": "world"}) + * ]); + * + * turf.featureReduce(features, function (previousValue, currentFeature, featureIndex) { + * //=previousValue + * //=currentFeature + * //=featureIndex + * return currentFeature + * }); + */ + function featureReduce(geojson, callback, initialValue) { + var previousValue = initialValue; + featureEach(geojson, function (currentFeature, featureIndex) { + if (featureIndex === 0 && initialValue === undefined) + previousValue = currentFeature; + else previousValue = callback(previousValue, currentFeature, featureIndex); + }); + return previousValue; + } + + /** + * Get all coordinates from any GeoJSON object. + * + * @name coordAll + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @returns {Array>} coordinate position array + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.point([36, 53], {hello: 'world'}) + * ]); + * + * var coords = turf.coordAll(features); + * //= [[26, 37], [36, 53]] + */ + function coordAll(geojson) { + var coords = []; + coordEach(geojson, function (coord) { + coords.push(coord); + }); + return coords; + } + + /** + * Callback for geomEach + * + * @callback geomEachCallback + * @param {Geometry} currentGeometry The current Geometry being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {Object} featureProperties The current Feature Properties being processed. + * @param {Array} featureBBox The current Feature BBox being processed. + * @param {number|string} featureId The current Feature Id being processed. + */ + + /** + * Iterate over each geometry in any GeoJSON object, similar to Array.forEach() + * + * @name geomEach + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) + * @returns {void} + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.point([36, 53], {hello: 'world'}) + * ]); + * + * turf.geomEach(features, function (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) { + * //=currentGeometry + * //=featureIndex + * //=featureProperties + * //=featureBBox + * //=featureId + * }); + */ + function geomEach(geojson, callback) { + var i, + j, + g, + geometry, + stopG, + geometryMaybeCollection, + isGeometryCollection, + featureProperties, + featureBBox, + featureId, + featureIndex = 0, + isFeatureCollection = geojson.type === "FeatureCollection", + isFeature = geojson.type === "Feature", + stop = isFeatureCollection ? geojson.features.length : 1; + + // This logic may look a little weird. The reason why it is that way + // is because it's trying to be fast. GeoJSON supports multiple kinds + // of objects at its root: FeatureCollection, Features, Geometries. + // This function has the responsibility of handling all of them, and that + // means that some of the `for` loops you see below actually just don't apply + // to certain inputs. For instance, if you give this just a + // Point geometry, then both loops are short-circuited and all we do + // is gradually rename the input until it's called 'geometry'. + // + // This also aims to allocate as few resources as possible: just a + // few numbers and booleans, rather than any temporary arrays as would + // be required with the normalization approach. + for (i = 0; i < stop; i++) { + geometryMaybeCollection = isFeatureCollection + ? geojson.features[i].geometry + : isFeature + ? geojson.geometry + : geojson; + featureProperties = isFeatureCollection + ? geojson.features[i].properties + : isFeature + ? geojson.properties + : {}; + featureBBox = isFeatureCollection + ? geojson.features[i].bbox + : isFeature + ? geojson.bbox + : undefined; + featureId = isFeatureCollection + ? geojson.features[i].id + : isFeature + ? geojson.id + : undefined; + isGeometryCollection = geometryMaybeCollection + ? geometryMaybeCollection.type === "GeometryCollection" + : false; + stopG = isGeometryCollection + ? geometryMaybeCollection.geometries.length + : 1; + + for (g = 0; g < stopG; g++) { + geometry = isGeometryCollection + ? geometryMaybeCollection.geometries[g] + : geometryMaybeCollection; + + // Handle null Geometry + if (geometry === null) { + if ( + callback( + null, + featureIndex, + featureProperties, + featureBBox, + featureId + ) === false + ) + return false; + continue; + } + switch (geometry.type) { + case "Point": + case "LineString": + case "MultiPoint": + case "Polygon": + case "MultiLineString": + case "MultiPolygon": { + if ( + callback( + geometry, + featureIndex, + featureProperties, + featureBBox, + featureId + ) === false + ) + return false; + break; + } + case "GeometryCollection": { + for (j = 0; j < geometry.geometries.length; j++) { + if ( + callback( + geometry.geometries[j], + featureIndex, + featureProperties, + featureBBox, + featureId + ) === false + ) + return false; + } + break; + } + default: + throw new Error("Unknown Geometry Type"); + } + } + // Only increase `featureIndex` per each feature + featureIndex++; + } + } + + /** + * Callback for geomReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback geomReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {Geometry} currentGeometry The current Geometry being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {Object} featureProperties The current Feature Properties being processed. + * @param {Array} featureBBox The current Feature BBox being processed. + * @param {number|string} featureId The current Feature Id being processed. + */ + + /** + * Reduce geometry in any GeoJSON object, similar to Array.reduce(). + * + * @name geomReduce + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @returns {*} The value that results from the reduction. + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.point([36, 53], {hello: 'world'}) + * ]); + * + * turf.geomReduce(features, function (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId) { + * //=previousValue + * //=currentGeometry + * //=featureIndex + * //=featureProperties + * //=featureBBox + * //=featureId + * return currentGeometry + * }); + */ + function geomReduce(geojson, callback, initialValue) { + var previousValue = initialValue; + geomEach( + geojson, + function ( + currentGeometry, + featureIndex, + featureProperties, + featureBBox, + featureId + ) { + if (featureIndex === 0 && initialValue === undefined) + previousValue = currentGeometry; + else + previousValue = callback( + previousValue, + currentGeometry, + featureIndex, + featureProperties, + featureBBox, + featureId + ); + } + ); + return previousValue; + } + + /** + * Callback for flattenEach + * + * @callback flattenEachCallback + * @param {Feature} currentFeature The current flattened feature being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed. + */ + + /** + * Iterate over flattened features in any GeoJSON object, similar to + * Array.forEach. + * + * @name flattenEach + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (currentFeature, featureIndex, multiFeatureIndex) + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'}) + * ]); + * + * turf.flattenEach(features, function (currentFeature, featureIndex, multiFeatureIndex) { + * //=currentFeature + * //=featureIndex + * //=multiFeatureIndex + * }); + */ + function flattenEach(geojson, callback) { + geomEach(geojson, function (geometry, featureIndex, properties, bbox, id) { + // Callback for single geometry + var type = geometry === null ? null : geometry.type; + switch (type) { + case null: + case "Point": + case "LineString": + case "Polygon": + if ( + callback( + helpers.feature(geometry, properties, { bbox: bbox, id: id }), + featureIndex, + 0 + ) === false + ) + return false; + return; + } + + var geomType; + + // Callback for multi-geometry + switch (type) { + case "MultiPoint": + geomType = "Point"; + break; + case "MultiLineString": + geomType = "LineString"; + break; + case "MultiPolygon": + geomType = "Polygon"; + break; + } + + for ( + var multiFeatureIndex = 0; + multiFeatureIndex < geometry.coordinates.length; + multiFeatureIndex++ + ) { + var coordinate = geometry.coordinates[multiFeatureIndex]; + var geom = { + type: geomType, + coordinates: coordinate, + }; + if ( + callback(helpers.feature(geom, properties), featureIndex, multiFeatureIndex) === + false + ) + return false; + } + }); + } + + /** + * Callback for flattenReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback flattenReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {Feature} currentFeature The current Feature being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed. + */ + + /** + * Reduce flattened features in any GeoJSON object, similar to Array.reduce(). + * + * @name flattenReduce + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object + * @param {Function} callback a method that takes (previousValue, currentFeature, featureIndex, multiFeatureIndex) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @returns {*} The value that results from the reduction. + * @example + * var features = turf.featureCollection([ + * turf.point([26, 37], {foo: 'bar'}), + * turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'}) + * ]); + * + * turf.flattenReduce(features, function (previousValue, currentFeature, featureIndex, multiFeatureIndex) { + * //=previousValue + * //=currentFeature + * //=featureIndex + * //=multiFeatureIndex + * return currentFeature + * }); + */ + function flattenReduce(geojson, callback, initialValue) { + var previousValue = initialValue; + flattenEach( + geojson, + function (currentFeature, featureIndex, multiFeatureIndex) { + if ( + featureIndex === 0 && + multiFeatureIndex === 0 && + initialValue === undefined + ) + previousValue = currentFeature; + else + previousValue = callback( + previousValue, + currentFeature, + featureIndex, + multiFeatureIndex + ); + } + ); + return previousValue; + } + + /** + * Callback for segmentEach + * + * @callback segmentEachCallback + * @param {Feature} currentSegment The current Segment being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed. + * @param {number} geometryIndex The current index of the Geometry being processed. + * @param {number} segmentIndex The current index of the Segment being processed. + * @returns {void} + */ + + /** + * Iterate over 2-vertex line segment in any GeoJSON object, similar to Array.forEach() + * (Multi)Point geometries do not contain segments therefore they are ignored during this operation. + * + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON + * @param {Function} callback a method that takes (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) + * @returns {void} + * @example + * var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]); + * + * // Iterate over GeoJSON by 2-vertex segments + * turf.segmentEach(polygon, function (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) { + * //=currentSegment + * //=featureIndex + * //=multiFeatureIndex + * //=geometryIndex + * //=segmentIndex + * }); + * + * // Calculate the total number of segments + * var total = 0; + * turf.segmentEach(polygon, function () { + * total++; + * }); + */ + function segmentEach(geojson, callback) { + flattenEach(geojson, function (feature, featureIndex, multiFeatureIndex) { + var segmentIndex = 0; + + // Exclude null Geometries + if (!feature.geometry) return; + // (Multi)Point geometries do not contain segments therefore they are ignored during this operation. + var type = feature.geometry.type; + if (type === "Point" || type === "MultiPoint") return; + + // Generate 2-vertex line segments + var previousCoords; + var previousFeatureIndex = 0; + var previousMultiIndex = 0; + var prevGeomIndex = 0; + if ( + coordEach( + feature, + function ( + currentCoord, + coordIndex, + featureIndexCoord, + multiPartIndexCoord, + geometryIndex + ) { + // Simulating a meta.coordReduce() since `reduce` operations cannot be stopped by returning `false` + if ( + previousCoords === undefined || + featureIndex > previousFeatureIndex || + multiPartIndexCoord > previousMultiIndex || + geometryIndex > prevGeomIndex + ) { + previousCoords = currentCoord; + previousFeatureIndex = featureIndex; + previousMultiIndex = multiPartIndexCoord; + prevGeomIndex = geometryIndex; + segmentIndex = 0; + return; + } + var currentSegment = helpers.lineString( + [previousCoords, currentCoord], + feature.properties + ); + if ( + callback( + currentSegment, + featureIndex, + multiFeatureIndex, + geometryIndex, + segmentIndex + ) === false + ) + return false; + segmentIndex++; + previousCoords = currentCoord; + } + ) === false + ) + return false; + }); + } + + /** + * Callback for segmentReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback segmentReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {Feature} currentSegment The current Segment being processed. + * @param {number} featureIndex The current index of the Feature being processed. + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed. + * @param {number} geometryIndex The current index of the Geometry being processed. + * @param {number} segmentIndex The current index of the Segment being processed. + */ + + /** + * Reduce 2-vertex line segment in any GeoJSON object, similar to Array.reduce() + * (Multi)Point geometries do not contain segments therefore they are ignored during this operation. + * + * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON + * @param {Function} callback a method that takes (previousValue, currentSegment, currentIndex) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @returns {void} + * @example + * var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]); + * + * // Iterate over GeoJSON by 2-vertex segments + * turf.segmentReduce(polygon, function (previousSegment, currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) { + * //= previousSegment + * //= currentSegment + * //= featureIndex + * //= multiFeatureIndex + * //= geometryIndex + * //= segmentIndex + * return currentSegment + * }); + * + * // Calculate the total number of segments + * var initialValue = 0 + * var total = turf.segmentReduce(polygon, function (previousValue) { + * previousValue++; + * return previousValue; + * }, initialValue); + */ + function segmentReduce(geojson, callback, initialValue) { + var previousValue = initialValue; + var started = false; + segmentEach( + geojson, + function ( + currentSegment, + featureIndex, + multiFeatureIndex, + geometryIndex, + segmentIndex + ) { + if (started === false && initialValue === undefined) + previousValue = currentSegment; + else + previousValue = callback( + previousValue, + currentSegment, + featureIndex, + multiFeatureIndex, + geometryIndex, + segmentIndex + ); + started = true; + } + ); + return previousValue; + } + + /** + * Callback for lineEach + * + * @callback lineEachCallback + * @param {Feature} currentLine The current LineString|LinearRing being processed + * @param {number} featureIndex The current index of the Feature being processed + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed + * @param {number} geometryIndex The current index of the Geometry being processed + */ + + /** + * Iterate over line or ring coordinates in LineString, Polygon, MultiLineString, MultiPolygon Features or Geometries, + * similar to Array.forEach. + * + * @name lineEach + * @param {Geometry|Feature} geojson object + * @param {Function} callback a method that takes (currentLine, featureIndex, multiFeatureIndex, geometryIndex) + * @example + * var multiLine = turf.multiLineString([ + * [[26, 37], [35, 45]], + * [[36, 53], [38, 50], [41, 55]] + * ]); + * + * turf.lineEach(multiLine, function (currentLine, featureIndex, multiFeatureIndex, geometryIndex) { + * //=currentLine + * //=featureIndex + * //=multiFeatureIndex + * //=geometryIndex + * }); + */ + function lineEach(geojson, callback) { + // validation + if (!geojson) throw new Error("geojson is required"); + + flattenEach(geojson, function (feature, featureIndex, multiFeatureIndex) { + if (feature.geometry === null) return; + var type = feature.geometry.type; + var coords = feature.geometry.coordinates; + switch (type) { + case "LineString": + if (callback(feature, featureIndex, multiFeatureIndex, 0, 0) === false) + return false; + break; + case "Polygon": + for ( + var geometryIndex = 0; + geometryIndex < coords.length; + geometryIndex++ + ) { + if ( + callback( + helpers.lineString(coords[geometryIndex], feature.properties), + featureIndex, + multiFeatureIndex, + geometryIndex + ) === false + ) + return false; + } + break; + } + }); + } + + /** + * Callback for lineReduce + * + * The first time the callback function is called, the values provided as arguments depend + * on whether the reduce method has an initialValue argument. + * + * If an initialValue is provided to the reduce method: + * - The previousValue argument is initialValue. + * - The currentValue argument is the value of the first element present in the array. + * + * If an initialValue is not provided: + * - The previousValue argument is the value of the first element present in the array. + * - The currentValue argument is the value of the second element present in the array. + * + * @callback lineReduceCallback + * @param {*} previousValue The accumulated value previously returned in the last invocation + * of the callback, or initialValue, if supplied. + * @param {Feature} currentLine The current LineString|LinearRing being processed. + * @param {number} featureIndex The current index of the Feature being processed + * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed + * @param {number} geometryIndex The current index of the Geometry being processed + */ + + /** + * Reduce features in any GeoJSON object, similar to Array.reduce(). + * + * @name lineReduce + * @param {Geometry|Feature} geojson object + * @param {Function} callback a method that takes (previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex) + * @param {*} [initialValue] Value to use as the first argument to the first call of the callback. + * @returns {*} The value that results from the reduction. + * @example + * var multiPoly = turf.multiPolygon([ + * turf.polygon([[[12,48],[2,41],[24,38],[12,48]], [[9,44],[13,41],[13,45],[9,44]]]), + * turf.polygon([[[5, 5], [0, 0], [2, 2], [4, 4], [5, 5]]]) + * ]); + * + * turf.lineReduce(multiPoly, function (previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex) { + * //=previousValue + * //=currentLine + * //=featureIndex + * //=multiFeatureIndex + * //=geometryIndex + * return currentLine + * }); + */ + function lineReduce(geojson, callback, initialValue) { + var previousValue = initialValue; + lineEach( + geojson, + function (currentLine, featureIndex, multiFeatureIndex, geometryIndex) { + if (featureIndex === 0 && initialValue === undefined) + previousValue = currentLine; + else + previousValue = callback( + previousValue, + currentLine, + featureIndex, + multiFeatureIndex, + geometryIndex + ); + } + ); + return previousValue; + } + + /** + * Finds a particular 2-vertex LineString Segment from a GeoJSON using `@turf/meta` indexes. + * + * Negative indexes are permitted. + * Point & MultiPoint will always return null. + * + * @param {FeatureCollection|Feature|Geometry} geojson Any GeoJSON Feature or Geometry + * @param {Object} [options={}] Optional parameters + * @param {number} [options.featureIndex=0] Feature Index + * @param {number} [options.multiFeatureIndex=0] Multi-Feature Index + * @param {number} [options.geometryIndex=0] Geometry Index + * @param {number} [options.segmentIndex=0] Segment Index + * @param {Object} [options.properties={}] Translate Properties to output LineString + * @param {BBox} [options.bbox={}] Translate BBox to output LineString + * @param {number|string} [options.id={}] Translate Id to output LineString + * @returns {Feature} 2-vertex GeoJSON Feature LineString + * @example + * var multiLine = turf.multiLineString([ + * [[10, 10], [50, 30], [30, 40]], + * [[-10, -10], [-50, -30], [-30, -40]] + * ]); + * + * // First Segment (defaults are 0) + * turf.findSegment(multiLine); + * // => Feature> + * + * // First Segment of 2nd Multi Feature + * turf.findSegment(multiLine, {multiFeatureIndex: 1}); + * // => Feature> + * + * // Last Segment of Last Multi Feature + * turf.findSegment(multiLine, {multiFeatureIndex: -1, segmentIndex: -1}); + * // => Feature> + */ + function findSegment(geojson, options) { + // Optional Parameters + options = options || {}; + if (!helpers.isObject(options)) throw new Error("options is invalid"); + var featureIndex = options.featureIndex || 0; + var multiFeatureIndex = options.multiFeatureIndex || 0; + var geometryIndex = options.geometryIndex || 0; + var segmentIndex = options.segmentIndex || 0; + + // Find FeatureIndex + var properties = options.properties; + var geometry; + + switch (geojson.type) { + case "FeatureCollection": + if (featureIndex < 0) + featureIndex = geojson.features.length + featureIndex; + properties = properties || geojson.features[featureIndex].properties; + geometry = geojson.features[featureIndex].geometry; + break; + case "Feature": + properties = properties || geojson.properties; + geometry = geojson.geometry; + break; + case "Point": + case "MultiPoint": + return null; + case "LineString": + case "Polygon": + case "MultiLineString": + case "MultiPolygon": + geometry = geojson; + break; + default: + throw new Error("geojson is invalid"); + } + + // Find SegmentIndex + if (geometry === null) return null; + var coords = geometry.coordinates; + switch (geometry.type) { + case "Point": + case "MultiPoint": + return null; + case "LineString": + if (segmentIndex < 0) segmentIndex = coords.length + segmentIndex - 1; + return helpers.lineString( + [coords[segmentIndex], coords[segmentIndex + 1]], + properties, + options + ); + case "Polygon": + if (geometryIndex < 0) geometryIndex = coords.length + geometryIndex; + if (segmentIndex < 0) + segmentIndex = coords[geometryIndex].length + segmentIndex - 1; + return helpers.lineString( + [ + coords[geometryIndex][segmentIndex], + coords[geometryIndex][segmentIndex + 1], + ], + properties, + options + ); + case "MultiLineString": + if (multiFeatureIndex < 0) + multiFeatureIndex = coords.length + multiFeatureIndex; + if (segmentIndex < 0) + segmentIndex = coords[multiFeatureIndex].length + segmentIndex - 1; + return helpers.lineString( + [ + coords[multiFeatureIndex][segmentIndex], + coords[multiFeatureIndex][segmentIndex + 1], + ], + properties, + options + ); + case "MultiPolygon": + if (multiFeatureIndex < 0) + multiFeatureIndex = coords.length + multiFeatureIndex; + if (geometryIndex < 0) + geometryIndex = coords[multiFeatureIndex].length + geometryIndex; + if (segmentIndex < 0) + segmentIndex = + coords[multiFeatureIndex][geometryIndex].length - segmentIndex - 1; + return helpers.lineString( + [ + coords[multiFeatureIndex][geometryIndex][segmentIndex], + coords[multiFeatureIndex][geometryIndex][segmentIndex + 1], + ], + properties, + options + ); + } + throw new Error("geojson is invalid"); + } + + /** + * Finds a particular Point from a GeoJSON using `@turf/meta` indexes. + * + * Negative indexes are permitted. + * + * @param {FeatureCollection|Feature|Geometry} geojson Any GeoJSON Feature or Geometry + * @param {Object} [options={}] Optional parameters + * @param {number} [options.featureIndex=0] Feature Index + * @param {number} [options.multiFeatureIndex=0] Multi-Feature Index + * @param {number} [options.geometryIndex=0] Geometry Index + * @param {number} [options.coordIndex=0] Coord Index + * @param {Object} [options.properties={}] Translate Properties to output Point + * @param {BBox} [options.bbox={}] Translate BBox to output Point + * @param {number|string} [options.id={}] Translate Id to output Point + * @returns {Feature} 2-vertex GeoJSON Feature Point + * @example + * var multiLine = turf.multiLineString([ + * [[10, 10], [50, 30], [30, 40]], + * [[-10, -10], [-50, -30], [-30, -40]] + * ]); + * + * // First Segment (defaults are 0) + * turf.findPoint(multiLine); + * // => Feature> + * + * // First Segment of the 2nd Multi-Feature + * turf.findPoint(multiLine, {multiFeatureIndex: 1}); + * // => Feature> + * + * // Last Segment of last Multi-Feature + * turf.findPoint(multiLine, {multiFeatureIndex: -1, coordIndex: -1}); + * // => Feature> + */ + function findPoint(geojson, options) { + // Optional Parameters + options = options || {}; + if (!helpers.isObject(options)) throw new Error("options is invalid"); + var featureIndex = options.featureIndex || 0; + var multiFeatureIndex = options.multiFeatureIndex || 0; + var geometryIndex = options.geometryIndex || 0; + var coordIndex = options.coordIndex || 0; + + // Find FeatureIndex + var properties = options.properties; + var geometry; + + switch (geojson.type) { + case "FeatureCollection": + if (featureIndex < 0) + featureIndex = geojson.features.length + featureIndex; + properties = properties || geojson.features[featureIndex].properties; + geometry = geojson.features[featureIndex].geometry; + break; + case "Feature": + properties = properties || geojson.properties; + geometry = geojson.geometry; + break; + case "Point": + case "MultiPoint": + return null; + case "LineString": + case "Polygon": + case "MultiLineString": + case "MultiPolygon": + geometry = geojson; + break; + default: + throw new Error("geojson is invalid"); + } + + // Find Coord Index + if (geometry === null) return null; + var coords = geometry.coordinates; + switch (geometry.type) { + case "Point": + return helpers.point(coords, properties, options); + case "MultiPoint": + if (multiFeatureIndex < 0) + multiFeatureIndex = coords.length + multiFeatureIndex; + return helpers.point(coords[multiFeatureIndex], properties, options); + case "LineString": + if (coordIndex < 0) coordIndex = coords.length + coordIndex; + return helpers.point(coords[coordIndex], properties, options); + case "Polygon": + if (geometryIndex < 0) geometryIndex = coords.length + geometryIndex; + if (coordIndex < 0) + coordIndex = coords[geometryIndex].length + coordIndex; + return helpers.point(coords[geometryIndex][coordIndex], properties, options); + case "MultiLineString": + if (multiFeatureIndex < 0) + multiFeatureIndex = coords.length + multiFeatureIndex; + if (coordIndex < 0) + coordIndex = coords[multiFeatureIndex].length + coordIndex; + return helpers.point(coords[multiFeatureIndex][coordIndex], properties, options); + case "MultiPolygon": + if (multiFeatureIndex < 0) + multiFeatureIndex = coords.length + multiFeatureIndex; + if (geometryIndex < 0) + geometryIndex = coords[multiFeatureIndex].length + geometryIndex; + if (coordIndex < 0) + coordIndex = + coords[multiFeatureIndex][geometryIndex].length - coordIndex; + return helpers.point( + coords[multiFeatureIndex][geometryIndex][coordIndex], + properties, + options + ); + } + throw new Error("geojson is invalid"); + } + + js$7.coordAll = coordAll; + js$7.coordEach = coordEach; + js$7.coordReduce = coordReduce; + js$7.featureEach = featureEach; + js$7.featureReduce = featureReduce; + js$7.findPoint = findPoint; + js$7.findSegment = findSegment; + js$7.flattenEach = flattenEach; + js$7.flattenReduce = flattenReduce; + js$7.geomEach = geomEach; + js$7.geomReduce = geomReduce; + js$7.lineEach = lineEach; + js$7.lineReduce = lineReduce; + js$7.propEach = propEach; + js$7.propReduce = propReduce; + js$7.segmentEach = segmentEach; + js$7.segmentReduce = segmentReduce; + + Object.defineProperty(js$8, "__esModule", { value: true }); + var meta_1$2 = js$7; + /** + * Takes a set of features, calculates the bbox of all input features, and returns a bounding box. + * + * @name bbox + * @param {GeoJSON} geojson any GeoJSON object + * @returns {BBox} bbox extent in [minX, minY, maxX, maxY] order + * @example + * var line = turf.lineString([[-74, 40], [-78, 42], [-82, 35]]); + * var bbox = turf.bbox(line); + * var bboxPolygon = turf.bboxPolygon(bbox); + * + * //addToMap + * var addToMap = [line, bboxPolygon] + */ + function bbox$3(geojson) { + var result = [Infinity, Infinity, -Infinity, -Infinity]; + meta_1$2.coordEach(geojson, function (coord) { + if (result[0] > coord[0]) { + result[0] = coord[0]; + } + if (result[1] > coord[1]) { + result[1] = coord[1]; + } + if (result[2] < coord[0]) { + result[2] = coord[0]; + } + if (result[3] < coord[1]) { + result[3] = coord[1]; + } + }); + return result; + } + bbox$3["default"] = bbox$3; + js$8.default = bbox$3; + + const bbox$2 = js$8.default; + + var smartzoom = function (map, feature) { + if (feature.geometry.type === 'Point') { + map.flyTo({ + center: feature.geometry.coordinates + }); + } else { + const bounds = bbox$2(feature); + map.fitBounds(bounds, { padding: 60 }); + } + }; + + const metatable = metatable$1.exports(d3), + smartZoom = smartzoom; + + var table$2 = function (context) { + function render(selection) { + selection.html(''); + + function rerender() { + const geojson = context.data.get('map'); + let props; + + if ( + !geojson || + (!geojson.geometry && (!geojson.features || !geojson.features.length)) + ) { + selection + .html('') + .append('div') + .attr('class', 'blank-banner center') + .text('no features'); + } else { + props = geojson.geometry + ? [geojson.properties] + : geojson.features.map(getProperties); + selection.select('.blank-banner').remove(); + selection.data([props]).call( + metatable() + .on('change', (row, i) => { + const geojson = context.data.get('map'); + if (geojson.geometry) { + geojson.properties = row; + } else { + geojson.features[i].properties = row; + } + context.data.set('map', geojson); + }) + .on('rowfocus', (row, i) => { + const geojson = context.data.get('map'); + if (!geojson.geometry) { + smartZoom(context.map, geojson.features[i]); + } + }) + ); + } + } + + context.dispatch.on('change.table', () => { + rerender(); + }); + + rerender(); + + function getProperties(f) { + return f.properties; + } + } + + render.off = function () { + context.dispatch.on('change.table', null); + }; + + return render; + }; + + var lodash = {exports: {}}; + + /** + * @license + * Lodash + * Copyright OpenJS Foundation and other contributors + * Released under MIT license + * Based on Underscore.js 1.8.3 + * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors + */ + + (function (module, exports) { + (function() { + + /** Used as a safe reference for `undefined` in pre-ES5 environments. */ + var undefined$1; + + /** Used as the semantic version number. */ + var VERSION = '4.17.21'; + + /** Used as the size to enable large array optimizations. */ + var LARGE_ARRAY_SIZE = 200; + + /** Error message constants. */ + var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.', + FUNC_ERROR_TEXT = 'Expected a function', + INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`'; + + /** Used to stand-in for `undefined` hash values. */ + var HASH_UNDEFINED = '__lodash_hash_undefined__'; + + /** Used as the maximum memoize cache size. */ + var MAX_MEMOIZE_SIZE = 500; + + /** Used as the internal argument placeholder. */ + var PLACEHOLDER = '__lodash_placeholder__'; + + /** Used to compose bitmasks for cloning. */ + var CLONE_DEEP_FLAG = 1, + CLONE_FLAT_FLAG = 2, + CLONE_SYMBOLS_FLAG = 4; + + /** Used to compose bitmasks for value comparisons. */ + var COMPARE_PARTIAL_FLAG = 1, + COMPARE_UNORDERED_FLAG = 2; + + /** Used to compose bitmasks for function metadata. */ + var WRAP_BIND_FLAG = 1, + WRAP_BIND_KEY_FLAG = 2, + WRAP_CURRY_BOUND_FLAG = 4, + WRAP_CURRY_FLAG = 8, + WRAP_CURRY_RIGHT_FLAG = 16, + WRAP_PARTIAL_FLAG = 32, + WRAP_PARTIAL_RIGHT_FLAG = 64, + WRAP_ARY_FLAG = 128, + WRAP_REARG_FLAG = 256, + WRAP_FLIP_FLAG = 512; + + /** Used as default options for `_.truncate`. */ + var DEFAULT_TRUNC_LENGTH = 30, + DEFAULT_TRUNC_OMISSION = '...'; + + /** Used to detect hot functions by number of calls within a span of milliseconds. */ + var HOT_COUNT = 800, + HOT_SPAN = 16; + + /** Used to indicate the type of lazy iteratees. */ + var LAZY_FILTER_FLAG = 1, + LAZY_MAP_FLAG = 2, + LAZY_WHILE_FLAG = 3; + + /** Used as references for various `Number` constants. */ + var INFINITY = 1 / 0, + MAX_SAFE_INTEGER = 9007199254740991, + MAX_INTEGER = 1.7976931348623157e+308, + NAN = 0 / 0; + + /** Used as references for the maximum length and index of an array. */ + var MAX_ARRAY_LENGTH = 4294967295, + MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1, + HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1; + + /** Used to associate wrap methods with their bit flags. */ + var wrapFlags = [ + ['ary', WRAP_ARY_FLAG], + ['bind', WRAP_BIND_FLAG], + ['bindKey', WRAP_BIND_KEY_FLAG], + ['curry', WRAP_CURRY_FLAG], + ['curryRight', WRAP_CURRY_RIGHT_FLAG], + ['flip', WRAP_FLIP_FLAG], + ['partial', WRAP_PARTIAL_FLAG], + ['partialRight', WRAP_PARTIAL_RIGHT_FLAG], + ['rearg', WRAP_REARG_FLAG] + ]; + + /** `Object#toString` result references. */ + var argsTag = '[object Arguments]', + arrayTag = '[object Array]', + asyncTag = '[object AsyncFunction]', + boolTag = '[object Boolean]', + dateTag = '[object Date]', + domExcTag = '[object DOMException]', + errorTag = '[object Error]', + funcTag = '[object Function]', + genTag = '[object GeneratorFunction]', + mapTag = '[object Map]', + numberTag = '[object Number]', + nullTag = '[object Null]', + objectTag = '[object Object]', + promiseTag = '[object Promise]', + proxyTag = '[object Proxy]', + regexpTag = '[object RegExp]', + setTag = '[object Set]', + stringTag = '[object String]', + symbolTag = '[object Symbol]', + undefinedTag = '[object Undefined]', + weakMapTag = '[object WeakMap]', + weakSetTag = '[object WeakSet]'; + + var arrayBufferTag = '[object ArrayBuffer]', + dataViewTag = '[object DataView]', + float32Tag = '[object Float32Array]', + float64Tag = '[object Float64Array]', + int8Tag = '[object Int8Array]', + int16Tag = '[object Int16Array]', + int32Tag = '[object Int32Array]', + uint8Tag = '[object Uint8Array]', + uint8ClampedTag = '[object Uint8ClampedArray]', + uint16Tag = '[object Uint16Array]', + uint32Tag = '[object Uint32Array]'; + + /** Used to match empty string literals in compiled template source. */ + var reEmptyStringLeading = /\b__p \+= '';/g, + reEmptyStringMiddle = /\b(__p \+=) '' \+/g, + reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; + + /** Used to match HTML entities and HTML characters. */ + var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g, + reUnescapedHtml = /[&<>"']/g, + reHasEscapedHtml = RegExp(reEscapedHtml.source), + reHasUnescapedHtml = RegExp(reUnescapedHtml.source); + + /** Used to match template delimiters. */ + var reEscape = /<%-([\s\S]+?)%>/g, + reEvaluate = /<%([\s\S]+?)%>/g, + reInterpolate = /<%=([\s\S]+?)%>/g; + + /** Used to match property names within property paths. */ + var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, + reIsPlainProp = /^\w*$/, + rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g; + + /** + * Used to match `RegExp` + * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns). + */ + var reRegExpChar = /[\\^$.*+?()[\]{}|]/g, + reHasRegExpChar = RegExp(reRegExpChar.source); + + /** Used to match leading whitespace. */ + var reTrimStart = /^\s+/; + + /** Used to match a single whitespace character. */ + var reWhitespace = /\s/; + + /** Used to match wrap detail comments. */ + var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/, + reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/, + reSplitDetails = /,? & /; + + /** Used to match words composed of alphanumeric characters. */ + var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g; + + /** + * Used to validate the `validate` option in `_.template` variable. + * + * Forbids characters which could potentially change the meaning of the function argument definition: + * - "()," (modification of function parameters) + * - "=" (default value) + * - "[]{}" (destructuring of function parameters) + * - "/" (beginning of a comment) + * - whitespace + */ + var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/; + + /** Used to match backslashes in property paths. */ + var reEscapeChar = /\\(\\)?/g; + + /** + * Used to match + * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components). + */ + var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; + + /** Used to match `RegExp` flags from their coerced string values. */ + var reFlags = /\w*$/; + + /** Used to detect bad signed hexadecimal string values. */ + var reIsBadHex = /^[-+]0x[0-9a-f]+$/i; + + /** Used to detect binary string values. */ + var reIsBinary = /^0b[01]+$/i; + + /** Used to detect host constructors (Safari). */ + var reIsHostCtor = /^\[object .+?Constructor\]$/; + + /** Used to detect octal string values. */ + var reIsOctal = /^0o[0-7]+$/i; + + /** Used to detect unsigned integer values. */ + var reIsUint = /^(?:0|[1-9]\d*)$/; + + /** Used to match Latin Unicode letters (excluding mathematical operators). */ + var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g; + + /** Used to ensure capturing order of template delimiters. */ + var reNoMatch = /($^)/; + + /** Used to match unescaped characters in compiled string literals. */ + var reUnescapedString = /['\n\r\u2028\u2029\\]/g; + + /** Used to compose unicode character classes. */ + var rsAstralRange = '\\ud800-\\udfff', + rsComboMarksRange = '\\u0300-\\u036f', + reComboHalfMarksRange = '\\ufe20-\\ufe2f', + rsComboSymbolsRange = '\\u20d0-\\u20ff', + rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange, + rsDingbatRange = '\\u2700-\\u27bf', + rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff', + rsMathOpRange = '\\xac\\xb1\\xd7\\xf7', + rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf', + rsPunctuationRange = '\\u2000-\\u206f', + rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000', + rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde', + rsVarRange = '\\ufe0e\\ufe0f', + rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange; + + /** Used to compose unicode capture groups. */ + var rsApos = "['\u2019]", + rsAstral = '[' + rsAstralRange + ']', + rsBreak = '[' + rsBreakRange + ']', + rsCombo = '[' + rsComboRange + ']', + rsDigits = '\\d+', + rsDingbat = '[' + rsDingbatRange + ']', + rsLower = '[' + rsLowerRange + ']', + rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']', + rsFitz = '\\ud83c[\\udffb-\\udfff]', + rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')', + rsNonAstral = '[^' + rsAstralRange + ']', + rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}', + rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]', + rsUpper = '[' + rsUpperRange + ']', + rsZWJ = '\\u200d'; + + /** Used to compose unicode regexes. */ + var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')', + rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')', + rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?', + rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?', + reOptMod = rsModifier + '?', + rsOptVar = '[' + rsVarRange + ']?', + rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*', + rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])', + rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])', + rsSeq = rsOptVar + reOptMod + rsOptJoin, + rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq, + rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')'; + + /** Used to match apostrophes. */ + var reApos = RegExp(rsApos, 'g'); + + /** + * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and + * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols). + */ + var reComboMark = RegExp(rsCombo, 'g'); + + /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */ + var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g'); + + /** Used to match complex or compound words. */ + var reUnicodeWord = RegExp([ + rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')', + rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')', + rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower, + rsUpper + '+' + rsOptContrUpper, + rsOrdUpper, + rsOrdLower, + rsDigits, + rsEmoji + ].join('|'), 'g'); + + /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */ + var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']'); + + /** Used to detect strings that need a more robust regexp to match words. */ + var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/; + + /** Used to assign default `context` object properties. */ + var contextProps = [ + 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array', + 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object', + 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array', + 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap', + '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout' + ]; + + /** Used to make template sourceURLs easier to identify. */ + var templateCounter = -1; + + /** Used to identify `toStringTag` values of typed arrays. */ + var typedArrayTags = {}; + typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = + typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = + typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = + typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = + typedArrayTags[uint32Tag] = true; + typedArrayTags[argsTag] = typedArrayTags[arrayTag] = + typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = + typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = + typedArrayTags[errorTag] = typedArrayTags[funcTag] = + typedArrayTags[mapTag] = typedArrayTags[numberTag] = + typedArrayTags[objectTag] = typedArrayTags[regexpTag] = + typedArrayTags[setTag] = typedArrayTags[stringTag] = + typedArrayTags[weakMapTag] = false; + + /** Used to identify `toStringTag` values supported by `_.clone`. */ + var cloneableTags = {}; + cloneableTags[argsTag] = cloneableTags[arrayTag] = + cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] = + cloneableTags[boolTag] = cloneableTags[dateTag] = + cloneableTags[float32Tag] = cloneableTags[float64Tag] = + cloneableTags[int8Tag] = cloneableTags[int16Tag] = + cloneableTags[int32Tag] = cloneableTags[mapTag] = + cloneableTags[numberTag] = cloneableTags[objectTag] = + cloneableTags[regexpTag] = cloneableTags[setTag] = + cloneableTags[stringTag] = cloneableTags[symbolTag] = + cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] = + cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true; + cloneableTags[errorTag] = cloneableTags[funcTag] = + cloneableTags[weakMapTag] = false; + + /** Used to map Latin Unicode letters to basic Latin letters. */ + var deburredLetters = { + // Latin-1 Supplement block. + '\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A', + '\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a', + '\xc7': 'C', '\xe7': 'c', + '\xd0': 'D', '\xf0': 'd', + '\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E', + '\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e', + '\xcc': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I', + '\xec': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i', + '\xd1': 'N', '\xf1': 'n', + '\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O', + '\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o', + '\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U', + '\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u', + '\xdd': 'Y', '\xfd': 'y', '\xff': 'y', + '\xc6': 'Ae', '\xe6': 'ae', + '\xde': 'Th', '\xfe': 'th', + '\xdf': 'ss', + // Latin Extended-A block. + '\u0100': 'A', '\u0102': 'A', '\u0104': 'A', + '\u0101': 'a', '\u0103': 'a', '\u0105': 'a', + '\u0106': 'C', '\u0108': 'C', '\u010a': 'C', '\u010c': 'C', + '\u0107': 'c', '\u0109': 'c', '\u010b': 'c', '\u010d': 'c', + '\u010e': 'D', '\u0110': 'D', '\u010f': 'd', '\u0111': 'd', + '\u0112': 'E', '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E', + '\u0113': 'e', '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e', + '\u011c': 'G', '\u011e': 'G', '\u0120': 'G', '\u0122': 'G', + '\u011d': 'g', '\u011f': 'g', '\u0121': 'g', '\u0123': 'g', + '\u0124': 'H', '\u0126': 'H', '\u0125': 'h', '\u0127': 'h', + '\u0128': 'I', '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I', + '\u0129': 'i', '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i', + '\u0134': 'J', '\u0135': 'j', + '\u0136': 'K', '\u0137': 'k', '\u0138': 'k', + '\u0139': 'L', '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L', + '\u013a': 'l', '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l', + '\u0143': 'N', '\u0145': 'N', '\u0147': 'N', '\u014a': 'N', + '\u0144': 'n', '\u0146': 'n', '\u0148': 'n', '\u014b': 'n', + '\u014c': 'O', '\u014e': 'O', '\u0150': 'O', + '\u014d': 'o', '\u014f': 'o', '\u0151': 'o', + '\u0154': 'R', '\u0156': 'R', '\u0158': 'R', + '\u0155': 'r', '\u0157': 'r', '\u0159': 'r', + '\u015a': 'S', '\u015c': 'S', '\u015e': 'S', '\u0160': 'S', + '\u015b': 's', '\u015d': 's', '\u015f': 's', '\u0161': 's', + '\u0162': 'T', '\u0164': 'T', '\u0166': 'T', + '\u0163': 't', '\u0165': 't', '\u0167': 't', + '\u0168': 'U', '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U', + '\u0169': 'u', '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u', + '\u0174': 'W', '\u0175': 'w', + '\u0176': 'Y', '\u0177': 'y', '\u0178': 'Y', + '\u0179': 'Z', '\u017b': 'Z', '\u017d': 'Z', + '\u017a': 'z', '\u017c': 'z', '\u017e': 'z', + '\u0132': 'IJ', '\u0133': 'ij', + '\u0152': 'Oe', '\u0153': 'oe', + '\u0149': "'n", '\u017f': 's' + }; + + /** Used to map characters to HTML entities. */ + var htmlEscapes = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''' + }; + + /** Used to map HTML entities to characters. */ + var htmlUnescapes = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + ''': "'" + }; + + /** Used to escape characters for inclusion in compiled string literals. */ + var stringEscapes = { + '\\': '\\', + "'": "'", + '\n': 'n', + '\r': 'r', + '\u2028': 'u2028', + '\u2029': 'u2029' + }; + + /** Built-in method references without a dependency on `root`. */ + var freeParseFloat = parseFloat, + freeParseInt = parseInt; + + /** Detect free variable `global` from Node.js. */ + var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal; + + /** Detect free variable `self`. */ + var freeSelf = typeof self == 'object' && self && self.Object === Object && self; + + /** Used as a reference to the global object. */ + var root = freeGlobal || freeSelf || Function('return this')(); + + /** Detect free variable `exports`. */ + var freeExports = exports && !exports.nodeType && exports; + + /** Detect free variable `module`. */ + var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module; + + /** Detect the popular CommonJS extension `module.exports`. */ + var moduleExports = freeModule && freeModule.exports === freeExports; + + /** Detect free variable `process` from Node.js. */ + var freeProcess = moduleExports && freeGlobal.process; + + /** Used to access faster Node.js helpers. */ + var nodeUtil = (function() { + try { + // Use `util.types` for Node.js 10+. + var types = freeModule && freeModule.require && freeModule.require('util').types; + + if (types) { + return types; + } + + // Legacy `process.binding('util')` for Node.js < 10. + return freeProcess && freeProcess.binding && freeProcess.binding('util'); + } catch (e) {} + }()); + + /* Node.js helper references. */ + var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer, + nodeIsDate = nodeUtil && nodeUtil.isDate, + nodeIsMap = nodeUtil && nodeUtil.isMap, + nodeIsRegExp = nodeUtil && nodeUtil.isRegExp, + nodeIsSet = nodeUtil && nodeUtil.isSet, + nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray; + + /*--------------------------------------------------------------------------*/ + + /** + * A faster alternative to `Function#apply`, this function invokes `func` + * with the `this` binding of `thisArg` and the arguments of `args`. + * + * @private + * @param {Function} func The function to invoke. + * @param {*} thisArg The `this` binding of `func`. + * @param {Array} args The arguments to invoke `func` with. + * @returns {*} Returns the result of `func`. + */ + function apply(func, thisArg, args) { + switch (args.length) { + case 0: return func.call(thisArg); + case 1: return func.call(thisArg, args[0]); + case 2: return func.call(thisArg, args[0], args[1]); + case 3: return func.call(thisArg, args[0], args[1], args[2]); + } + return func.apply(thisArg, args); + } + + /** + * A specialized version of `baseAggregator` for arrays. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} setter The function to set `accumulator` values. + * @param {Function} iteratee The iteratee to transform keys. + * @param {Object} accumulator The initial aggregated object. + * @returns {Function} Returns `accumulator`. + */ + function arrayAggregator(array, setter, iteratee, accumulator) { + var index = -1, + length = array == null ? 0 : array.length; + + while (++index < length) { + var value = array[index]; + setter(accumulator, value, iteratee(value), array); + } + return accumulator; + } + + /** + * A specialized version of `_.forEach` for arrays without support for + * iteratee shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array} Returns `array`. + */ + function arrayEach(array, iteratee) { + var index = -1, + length = array == null ? 0 : array.length; + + while (++index < length) { + if (iteratee(array[index], index, array) === false) { + break; + } + } + return array; + } + + /** + * A specialized version of `_.forEachRight` for arrays without support for + * iteratee shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array} Returns `array`. + */ + function arrayEachRight(array, iteratee) { + var length = array == null ? 0 : array.length; + + while (length--) { + if (iteratee(array[length], length, array) === false) { + break; + } + } + return array; + } + + /** + * A specialized version of `_.every` for arrays without support for + * iteratee shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} predicate The function invoked per iteration. + * @returns {boolean} Returns `true` if all elements pass the predicate check, + * else `false`. + */ + function arrayEvery(array, predicate) { + var index = -1, + length = array == null ? 0 : array.length; + + while (++index < length) { + if (!predicate(array[index], index, array)) { + return false; + } + } + return true; + } + + /** + * A specialized version of `_.filter` for arrays without support for + * iteratee shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} predicate The function invoked per iteration. + * @returns {Array} Returns the new filtered array. + */ + function arrayFilter(array, predicate) { + var index = -1, + length = array == null ? 0 : array.length, + resIndex = 0, + result = []; + + while (++index < length) { + var value = array[index]; + if (predicate(value, index, array)) { + result[resIndex++] = value; + } + } + return result; + } + + /** + * A specialized version of `_.includes` for arrays without support for + * specifying an index to search from. + * + * @private + * @param {Array} [array] The array to inspect. + * @param {*} target The value to search for. + * @returns {boolean} Returns `true` if `target` is found, else `false`. + */ + function arrayIncludes(array, value) { + var length = array == null ? 0 : array.length; + return !!length && baseIndexOf(array, value, 0) > -1; + } + + /** + * This function is like `arrayIncludes` except that it accepts a comparator. + * + * @private + * @param {Array} [array] The array to inspect. + * @param {*} target The value to search for. + * @param {Function} comparator The comparator invoked per element. + * @returns {boolean} Returns `true` if `target` is found, else `false`. + */ + function arrayIncludesWith(array, value, comparator) { + var index = -1, + length = array == null ? 0 : array.length; + + while (++index < length) { + if (comparator(value, array[index])) { + return true; + } + } + return false; + } + + /** + * A specialized version of `_.map` for arrays without support for iteratee + * shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array} Returns the new mapped array. + */ + function arrayMap(array, iteratee) { + var index = -1, + length = array == null ? 0 : array.length, + result = Array(length); + + while (++index < length) { + result[index] = iteratee(array[index], index, array); + } + return result; + } + + /** + * Appends the elements of `values` to `array`. + * + * @private + * @param {Array} array The array to modify. + * @param {Array} values The values to append. + * @returns {Array} Returns `array`. + */ + function arrayPush(array, values) { + var index = -1, + length = values.length, + offset = array.length; + + while (++index < length) { + array[offset + index] = values[index]; + } + return array; + } + + /** + * A specialized version of `_.reduce` for arrays without support for + * iteratee shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {*} [accumulator] The initial value. + * @param {boolean} [initAccum] Specify using the first element of `array` as + * the initial value. + * @returns {*} Returns the accumulated value. + */ + function arrayReduce(array, iteratee, accumulator, initAccum) { + var index = -1, + length = array == null ? 0 : array.length; + + if (initAccum && length) { + accumulator = array[++index]; + } + while (++index < length) { + accumulator = iteratee(accumulator, array[index], index, array); + } + return accumulator; + } + + /** + * A specialized version of `_.reduceRight` for arrays without support for + * iteratee shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {*} [accumulator] The initial value. + * @param {boolean} [initAccum] Specify using the last element of `array` as + * the initial value. + * @returns {*} Returns the accumulated value. + */ + function arrayReduceRight(array, iteratee, accumulator, initAccum) { + var length = array == null ? 0 : array.length; + if (initAccum && length) { + accumulator = array[--length]; + } + while (length--) { + accumulator = iteratee(accumulator, array[length], length, array); + } + return accumulator; + } + + /** + * A specialized version of `_.some` for arrays without support for iteratee + * shorthands. + * + * @private + * @param {Array} [array] The array to iterate over. + * @param {Function} predicate The function invoked per iteration. + * @returns {boolean} Returns `true` if any element passes the predicate check, + * else `false`. + */ + function arraySome(array, predicate) { + var index = -1, + length = array == null ? 0 : array.length; + + while (++index < length) { + if (predicate(array[index], index, array)) { + return true; + } + } + return false; + } + + /** + * Gets the size of an ASCII `string`. + * + * @private + * @param {string} string The string inspect. + * @returns {number} Returns the string size. + */ + var asciiSize = baseProperty('length'); + + /** + * Converts an ASCII `string` to an array. + * + * @private + * @param {string} string The string to convert. + * @returns {Array} Returns the converted array. + */ + function asciiToArray(string) { + return string.split(''); + } + + /** + * Splits an ASCII `string` into an array of its words. + * + * @private + * @param {string} The string to inspect. + * @returns {Array} Returns the words of `string`. + */ + function asciiWords(string) { + return string.match(reAsciiWord) || []; + } + + /** + * The base implementation of methods like `_.findKey` and `_.findLastKey`, + * without support for iteratee shorthands, which iterates over `collection` + * using `eachFunc`. + * + * @private + * @param {Array|Object} collection The collection to inspect. + * @param {Function} predicate The function invoked per iteration. + * @param {Function} eachFunc The function to iterate over `collection`. + * @returns {*} Returns the found element or its key, else `undefined`. + */ + function baseFindKey(collection, predicate, eachFunc) { + var result; + eachFunc(collection, function(value, key, collection) { + if (predicate(value, key, collection)) { + result = key; + return false; + } + }); + return result; + } + + /** + * The base implementation of `_.findIndex` and `_.findLastIndex` without + * support for iteratee shorthands. + * + * @private + * @param {Array} array The array to inspect. + * @param {Function} predicate The function invoked per iteration. + * @param {number} fromIndex The index to search from. + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {number} Returns the index of the matched value, else `-1`. + */ + function baseFindIndex(array, predicate, fromIndex, fromRight) { + var length = array.length, + index = fromIndex + (fromRight ? 1 : -1); + + while ((fromRight ? index-- : ++index < length)) { + if (predicate(array[index], index, array)) { + return index; + } + } + return -1; + } + + /** + * The base implementation of `_.indexOf` without `fromIndex` bounds checks. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} fromIndex The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + */ + function baseIndexOf(array, value, fromIndex) { + return value === value + ? strictIndexOf(array, value, fromIndex) + : baseFindIndex(array, baseIsNaN, fromIndex); + } + + /** + * This function is like `baseIndexOf` except that it accepts a comparator. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} fromIndex The index to search from. + * @param {Function} comparator The comparator invoked per element. + * @returns {number} Returns the index of the matched value, else `-1`. + */ + function baseIndexOfWith(array, value, fromIndex, comparator) { + var index = fromIndex - 1, + length = array.length; + + while (++index < length) { + if (comparator(array[index], value)) { + return index; + } + } + return -1; + } + + /** + * The base implementation of `_.isNaN` without support for number objects. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`. + */ + function baseIsNaN(value) { + return value !== value; + } + + /** + * The base implementation of `_.mean` and `_.meanBy` without support for + * iteratee shorthands. + * + * @private + * @param {Array} array The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {number} Returns the mean. + */ + function baseMean(array, iteratee) { + var length = array == null ? 0 : array.length; + return length ? (baseSum(array, iteratee) / length) : NAN; + } + + /** + * The base implementation of `_.property` without support for deep paths. + * + * @private + * @param {string} key The key of the property to get. + * @returns {Function} Returns the new accessor function. + */ + function baseProperty(key) { + return function(object) { + return object == null ? undefined$1 : object[key]; + }; + } + + /** + * The base implementation of `_.propertyOf` without support for deep paths. + * + * @private + * @param {Object} object The object to query. + * @returns {Function} Returns the new accessor function. + */ + function basePropertyOf(object) { + return function(key) { + return object == null ? undefined$1 : object[key]; + }; + } + + /** + * The base implementation of `_.reduce` and `_.reduceRight`, without support + * for iteratee shorthands, which iterates over `collection` using `eachFunc`. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {*} accumulator The initial value. + * @param {boolean} initAccum Specify using the first or last element of + * `collection` as the initial value. + * @param {Function} eachFunc The function to iterate over `collection`. + * @returns {*} Returns the accumulated value. + */ + function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) { + eachFunc(collection, function(value, index, collection) { + accumulator = initAccum + ? (initAccum = false, value) + : iteratee(accumulator, value, index, collection); + }); + return accumulator; + } + + /** + * The base implementation of `_.sortBy` which uses `comparer` to define the + * sort order of `array` and replaces criteria objects with their corresponding + * values. + * + * @private + * @param {Array} array The array to sort. + * @param {Function} comparer The function to define sort order. + * @returns {Array} Returns `array`. + */ + function baseSortBy(array, comparer) { + var length = array.length; + + array.sort(comparer); + while (length--) { + array[length] = array[length].value; + } + return array; + } + + /** + * The base implementation of `_.sum` and `_.sumBy` without support for + * iteratee shorthands. + * + * @private + * @param {Array} array The array to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {number} Returns the sum. + */ + function baseSum(array, iteratee) { + var result, + index = -1, + length = array.length; + + while (++index < length) { + var current = iteratee(array[index]); + if (current !== undefined$1) { + result = result === undefined$1 ? current : (result + current); + } + } + return result; + } + + /** + * The base implementation of `_.times` without support for iteratee shorthands + * or max array length checks. + * + * @private + * @param {number} n The number of times to invoke `iteratee`. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array} Returns the array of results. + */ + function baseTimes(n, iteratee) { + var index = -1, + result = Array(n); + + while (++index < n) { + result[index] = iteratee(index); + } + return result; + } + + /** + * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array + * of key-value pairs for `object` corresponding to the property names of `props`. + * + * @private + * @param {Object} object The object to query. + * @param {Array} props The property names to get values for. + * @returns {Object} Returns the key-value pairs. + */ + function baseToPairs(object, props) { + return arrayMap(props, function(key) { + return [key, object[key]]; + }); + } + + /** + * The base implementation of `_.trim`. + * + * @private + * @param {string} string The string to trim. + * @returns {string} Returns the trimmed string. + */ + function baseTrim(string) { + return string + ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '') + : string; + } + + /** + * The base implementation of `_.unary` without support for storing metadata. + * + * @private + * @param {Function} func The function to cap arguments for. + * @returns {Function} Returns the new capped function. + */ + function baseUnary(func) { + return function(value) { + return func(value); + }; + } + + /** + * The base implementation of `_.values` and `_.valuesIn` which creates an + * array of `object` property values corresponding to the property names + * of `props`. + * + * @private + * @param {Object} object The object to query. + * @param {Array} props The property names to get values for. + * @returns {Object} Returns the array of property values. + */ + function baseValues(object, props) { + return arrayMap(props, function(key) { + return object[key]; + }); + } + + /** + * Checks if a `cache` value for `key` exists. + * + * @private + * @param {Object} cache The cache to query. + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ + function cacheHas(cache, key) { + return cache.has(key); + } + + /** + * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol + * that is not found in the character symbols. + * + * @private + * @param {Array} strSymbols The string symbols to inspect. + * @param {Array} chrSymbols The character symbols to find. + * @returns {number} Returns the index of the first unmatched string symbol. + */ + function charsStartIndex(strSymbols, chrSymbols) { + var index = -1, + length = strSymbols.length; + + while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {} + return index; + } + + /** + * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol + * that is not found in the character symbols. + * + * @private + * @param {Array} strSymbols The string symbols to inspect. + * @param {Array} chrSymbols The character symbols to find. + * @returns {number} Returns the index of the last unmatched string symbol. + */ + function charsEndIndex(strSymbols, chrSymbols) { + var index = strSymbols.length; + + while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {} + return index; + } + + /** + * Gets the number of `placeholder` occurrences in `array`. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} placeholder The placeholder to search for. + * @returns {number} Returns the placeholder count. + */ + function countHolders(array, placeholder) { + var length = array.length, + result = 0; + + while (length--) { + if (array[length] === placeholder) { + ++result; + } + } + return result; + } + + /** + * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A + * letters to basic Latin letters. + * + * @private + * @param {string} letter The matched letter to deburr. + * @returns {string} Returns the deburred letter. + */ + var deburrLetter = basePropertyOf(deburredLetters); + + /** + * Used by `_.escape` to convert characters to HTML entities. + * + * @private + * @param {string} chr The matched character to escape. + * @returns {string} Returns the escaped character. + */ + var escapeHtmlChar = basePropertyOf(htmlEscapes); + + /** + * Used by `_.template` to escape characters for inclusion in compiled string literals. + * + * @private + * @param {string} chr The matched character to escape. + * @returns {string} Returns the escaped character. + */ + function escapeStringChar(chr) { + return '\\' + stringEscapes[chr]; + } + + /** + * Gets the value at `key` of `object`. + * + * @private + * @param {Object} [object] The object to query. + * @param {string} key The key of the property to get. + * @returns {*} Returns the property value. + */ + function getValue(object, key) { + return object == null ? undefined$1 : object[key]; + } + + /** + * Checks if `string` contains Unicode symbols. + * + * @private + * @param {string} string The string to inspect. + * @returns {boolean} Returns `true` if a symbol is found, else `false`. + */ + function hasUnicode(string) { + return reHasUnicode.test(string); + } + + /** + * Checks if `string` contains a word composed of Unicode symbols. + * + * @private + * @param {string} string The string to inspect. + * @returns {boolean} Returns `true` if a word is found, else `false`. + */ + function hasUnicodeWord(string) { + return reHasUnicodeWord.test(string); + } + + /** + * Converts `iterator` to an array. + * + * @private + * @param {Object} iterator The iterator to convert. + * @returns {Array} Returns the converted array. + */ + function iteratorToArray(iterator) { + var data, + result = []; + + while (!(data = iterator.next()).done) { + result.push(data.value); + } + return result; + } + + /** + * Converts `map` to its key-value pairs. + * + * @private + * @param {Object} map The map to convert. + * @returns {Array} Returns the key-value pairs. + */ + function mapToArray(map) { + var index = -1, + result = Array(map.size); + + map.forEach(function(value, key) { + result[++index] = [key, value]; + }); + return result; + } + + /** + * Creates a unary function that invokes `func` with its argument transformed. + * + * @private + * @param {Function} func The function to wrap. + * @param {Function} transform The argument transform. + * @returns {Function} Returns the new function. + */ + function overArg(func, transform) { + return function(arg) { + return func(transform(arg)); + }; + } + + /** + * Replaces all `placeholder` elements in `array` with an internal placeholder + * and returns an array of their indexes. + * + * @private + * @param {Array} array The array to modify. + * @param {*} placeholder The placeholder to replace. + * @returns {Array} Returns the new array of placeholder indexes. + */ + function replaceHolders(array, placeholder) { + var index = -1, + length = array.length, + resIndex = 0, + result = []; + + while (++index < length) { + var value = array[index]; + if (value === placeholder || value === PLACEHOLDER) { + array[index] = PLACEHOLDER; + result[resIndex++] = index; + } + } + return result; + } + + /** + * Converts `set` to an array of its values. + * + * @private + * @param {Object} set The set to convert. + * @returns {Array} Returns the values. + */ + function setToArray(set) { + var index = -1, + result = Array(set.size); + + set.forEach(function(value) { + result[++index] = value; + }); + return result; + } + + /** + * Converts `set` to its value-value pairs. + * + * @private + * @param {Object} set The set to convert. + * @returns {Array} Returns the value-value pairs. + */ + function setToPairs(set) { + var index = -1, + result = Array(set.size); + + set.forEach(function(value) { + result[++index] = [value, value]; + }); + return result; + } + + /** + * A specialized version of `_.indexOf` which performs strict equality + * comparisons of values, i.e. `===`. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} fromIndex The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + */ + function strictIndexOf(array, value, fromIndex) { + var index = fromIndex - 1, + length = array.length; + + while (++index < length) { + if (array[index] === value) { + return index; + } + } + return -1; + } + + /** + * A specialized version of `_.lastIndexOf` which performs strict equality + * comparisons of values, i.e. `===`. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} fromIndex The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + */ + function strictLastIndexOf(array, value, fromIndex) { + var index = fromIndex + 1; + while (index--) { + if (array[index] === value) { + return index; + } + } + return index; + } + + /** + * Gets the number of symbols in `string`. + * + * @private + * @param {string} string The string to inspect. + * @returns {number} Returns the string size. + */ + function stringSize(string) { + return hasUnicode(string) + ? unicodeSize(string) + : asciiSize(string); + } + + /** + * Converts `string` to an array. + * + * @private + * @param {string} string The string to convert. + * @returns {Array} Returns the converted array. + */ + function stringToArray(string) { + return hasUnicode(string) + ? unicodeToArray(string) + : asciiToArray(string); + } + + /** + * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace + * character of `string`. + * + * @private + * @param {string} string The string to inspect. + * @returns {number} Returns the index of the last non-whitespace character. + */ + function trimmedEndIndex(string) { + var index = string.length; + + while (index-- && reWhitespace.test(string.charAt(index))) {} + return index; + } + + /** + * Used by `_.unescape` to convert HTML entities to characters. + * + * @private + * @param {string} chr The matched character to unescape. + * @returns {string} Returns the unescaped character. + */ + var unescapeHtmlChar = basePropertyOf(htmlUnescapes); + + /** + * Gets the size of a Unicode `string`. + * + * @private + * @param {string} string The string inspect. + * @returns {number} Returns the string size. + */ + function unicodeSize(string) { + var result = reUnicode.lastIndex = 0; + while (reUnicode.test(string)) { + ++result; + } + return result; + } + + /** + * Converts a Unicode `string` to an array. + * + * @private + * @param {string} string The string to convert. + * @returns {Array} Returns the converted array. + */ + function unicodeToArray(string) { + return string.match(reUnicode) || []; + } + + /** + * Splits a Unicode `string` into an array of its words. + * + * @private + * @param {string} The string to inspect. + * @returns {Array} Returns the words of `string`. + */ + function unicodeWords(string) { + return string.match(reUnicodeWord) || []; + } + + /*--------------------------------------------------------------------------*/ + + /** + * Create a new pristine `lodash` function using the `context` object. + * + * @static + * @memberOf _ + * @since 1.1.0 + * @category Util + * @param {Object} [context=root] The context object. + * @returns {Function} Returns a new `lodash` function. + * @example + * + * _.mixin({ 'foo': _.constant('foo') }); + * + * var lodash = _.runInContext(); + * lodash.mixin({ 'bar': lodash.constant('bar') }); + * + * _.isFunction(_.foo); + * // => true + * _.isFunction(_.bar); + * // => false + * + * lodash.isFunction(lodash.foo); + * // => false + * lodash.isFunction(lodash.bar); + * // => true + * + * // Create a suped-up `defer` in Node.js. + * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer; + */ + var runInContext = (function runInContext(context) { + context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps)); + + /** Built-in constructor references. */ + var Array = context.Array, + Date = context.Date, + Error = context.Error, + Function = context.Function, + Math = context.Math, + Object = context.Object, + RegExp = context.RegExp, + String = context.String, + TypeError = context.TypeError; + + /** Used for built-in method references. */ + var arrayProto = Array.prototype, + funcProto = Function.prototype, + objectProto = Object.prototype; + + /** Used to detect overreaching core-js shims. */ + var coreJsData = context['__core-js_shared__']; + + /** Used to resolve the decompiled source of functions. */ + var funcToString = funcProto.toString; + + /** Used to check objects for own properties. */ + var hasOwnProperty = objectProto.hasOwnProperty; + + /** Used to generate unique IDs. */ + var idCounter = 0; + + /** Used to detect methods masquerading as native. */ + var maskSrcKey = (function() { + var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || ''); + return uid ? ('Symbol(src)_1.' + uid) : ''; + }()); + + /** + * Used to resolve the + * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) + * of values. + */ + var nativeObjectToString = objectProto.toString; + + /** Used to infer the `Object` constructor. */ + var objectCtorString = funcToString.call(Object); + + /** Used to restore the original `_` reference in `_.noConflict`. */ + var oldDash = root._; + + /** Used to detect if a method is native. */ + var reIsNative = RegExp('^' + + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') + .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' + ); + + /** Built-in value references. */ + var Buffer = moduleExports ? context.Buffer : undefined$1, + Symbol = context.Symbol, + Uint8Array = context.Uint8Array, + allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined$1, + getPrototype = overArg(Object.getPrototypeOf, Object), + objectCreate = Object.create, + propertyIsEnumerable = objectProto.propertyIsEnumerable, + splice = arrayProto.splice, + spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined$1, + symIterator = Symbol ? Symbol.iterator : undefined$1, + symToStringTag = Symbol ? Symbol.toStringTag : undefined$1; + + var defineProperty = (function() { + try { + var func = getNative(Object, 'defineProperty'); + func({}, '', {}); + return func; + } catch (e) {} + }()); + + /** Mocked built-ins. */ + var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout, + ctxNow = Date && Date.now !== root.Date.now && Date.now, + ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout; + + /* Built-in method references for those with the same name as other `lodash` methods. */ + var nativeCeil = Math.ceil, + nativeFloor = Math.floor, + nativeGetSymbols = Object.getOwnPropertySymbols, + nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined$1, + nativeIsFinite = context.isFinite, + nativeJoin = arrayProto.join, + nativeKeys = overArg(Object.keys, Object), + nativeMax = Math.max, + nativeMin = Math.min, + nativeNow = Date.now, + nativeParseInt = context.parseInt, + nativeRandom = Math.random, + nativeReverse = arrayProto.reverse; + + /* Built-in method references that are verified to be native. */ + var DataView = getNative(context, 'DataView'), + Map = getNative(context, 'Map'), + Promise = getNative(context, 'Promise'), + Set = getNative(context, 'Set'), + WeakMap = getNative(context, 'WeakMap'), + nativeCreate = getNative(Object, 'create'); + + /** Used to store function metadata. */ + var metaMap = WeakMap && new WeakMap; + + /** Used to lookup unminified function names. */ + var realNames = {}; + + /** Used to detect maps, sets, and weakmaps. */ + var dataViewCtorString = toSource(DataView), + mapCtorString = toSource(Map), + promiseCtorString = toSource(Promise), + setCtorString = toSource(Set), + weakMapCtorString = toSource(WeakMap); + + /** Used to convert symbols to primitives and strings. */ + var symbolProto = Symbol ? Symbol.prototype : undefined$1, + symbolValueOf = symbolProto ? symbolProto.valueOf : undefined$1, + symbolToString = symbolProto ? symbolProto.toString : undefined$1; + + /*------------------------------------------------------------------------*/ + + /** + * Creates a `lodash` object which wraps `value` to enable implicit method + * chain sequences. Methods that operate on and return arrays, collections, + * and functions can be chained together. Methods that retrieve a single value + * or may return a primitive value will automatically end the chain sequence + * and return the unwrapped value. Otherwise, the value must be unwrapped + * with `_#value`. + * + * Explicit chain sequences, which must be unwrapped with `_#value`, may be + * enabled using `_.chain`. + * + * The execution of chained methods is lazy, that is, it's deferred until + * `_#value` is implicitly or explicitly called. + * + * Lazy evaluation allows several methods to support shortcut fusion. + * Shortcut fusion is an optimization to merge iteratee calls; this avoids + * the creation of intermediate arrays and can greatly reduce the number of + * iteratee executions. Sections of a chain sequence qualify for shortcut + * fusion if the section is applied to an array and iteratees accept only + * one argument. The heuristic for whether a section qualifies for shortcut + * fusion is subject to change. + * + * Chaining is supported in custom builds as long as the `_#value` method is + * directly or indirectly included in the build. + * + * In addition to lodash methods, wrappers have `Array` and `String` methods. + * + * The wrapper `Array` methods are: + * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift` + * + * The wrapper `String` methods are: + * `replace` and `split` + * + * The wrapper methods that support shortcut fusion are: + * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`, + * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`, + * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray` + * + * The chainable wrapper methods are: + * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`, + * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`, + * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`, + * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`, + * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`, + * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`, + * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`, + * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`, + * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`, + * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`, + * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`, + * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`, + * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`, + * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`, + * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`, + * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`, + * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`, + * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`, + * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`, + * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`, + * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`, + * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`, + * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`, + * `zipObject`, `zipObjectDeep`, and `zipWith` + * + * The wrapper methods that are **not** chainable by default are: + * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`, + * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`, + * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`, + * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`, + * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`, + * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`, + * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`, + * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, + * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`, + * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`, + * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`, + * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`, + * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`, + * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`, + * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`, + * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`, + * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`, + * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`, + * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`, + * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`, + * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`, + * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`, + * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`, + * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`, + * `upperFirst`, `value`, and `words` + * + * @name _ + * @constructor + * @category Seq + * @param {*} value The value to wrap in a `lodash` instance. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * function square(n) { + * return n * n; + * } + * + * var wrapped = _([1, 2, 3]); + * + * // Returns an unwrapped value. + * wrapped.reduce(_.add); + * // => 6 + * + * // Returns a wrapped value. + * var squares = wrapped.map(square); + * + * _.isArray(squares); + * // => false + * + * _.isArray(squares.value()); + * // => true + */ + function lodash(value) { + if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) { + if (value instanceof LodashWrapper) { + return value; + } + if (hasOwnProperty.call(value, '__wrapped__')) { + return wrapperClone(value); + } + } + return new LodashWrapper(value); + } + + /** + * The base implementation of `_.create` without support for assigning + * properties to the created object. + * + * @private + * @param {Object} proto The object to inherit from. + * @returns {Object} Returns the new object. + */ + var baseCreate = (function() { + function object() {} + return function(proto) { + if (!isObject(proto)) { + return {}; + } + if (objectCreate) { + return objectCreate(proto); + } + object.prototype = proto; + var result = new object; + object.prototype = undefined$1; + return result; + }; + }()); + + /** + * The function whose prototype chain sequence wrappers inherit from. + * + * @private + */ + function baseLodash() { + // No operation performed. + } + + /** + * The base constructor for creating `lodash` wrapper objects. + * + * @private + * @param {*} value The value to wrap. + * @param {boolean} [chainAll] Enable explicit method chain sequences. + */ + function LodashWrapper(value, chainAll) { + this.__wrapped__ = value; + this.__actions__ = []; + this.__chain__ = !!chainAll; + this.__index__ = 0; + this.__values__ = undefined$1; + } + + /** + * By default, the template delimiters used by lodash are like those in + * embedded Ruby (ERB) as well as ES2015 template strings. Change the + * following template settings to use alternative delimiters. + * + * @static + * @memberOf _ + * @type {Object} + */ + lodash.templateSettings = { + + /** + * Used to detect `data` property values to be HTML-escaped. + * + * @memberOf _.templateSettings + * @type {RegExp} + */ + 'escape': reEscape, + + /** + * Used to detect code to be evaluated. + * + * @memberOf _.templateSettings + * @type {RegExp} + */ + 'evaluate': reEvaluate, + + /** + * Used to detect `data` property values to inject. + * + * @memberOf _.templateSettings + * @type {RegExp} + */ + 'interpolate': reInterpolate, + + /** + * Used to reference the data object in the template text. + * + * @memberOf _.templateSettings + * @type {string} + */ + 'variable': '', + + /** + * Used to import variables into the compiled template. + * + * @memberOf _.templateSettings + * @type {Object} + */ + 'imports': { + + /** + * A reference to the `lodash` function. + * + * @memberOf _.templateSettings.imports + * @type {Function} + */ + '_': lodash + } + }; + + // Ensure wrappers are instances of `baseLodash`. + lodash.prototype = baseLodash.prototype; + lodash.prototype.constructor = lodash; + + LodashWrapper.prototype = baseCreate(baseLodash.prototype); + LodashWrapper.prototype.constructor = LodashWrapper; + + /*------------------------------------------------------------------------*/ + + /** + * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation. + * + * @private + * @constructor + * @param {*} value The value to wrap. + */ + function LazyWrapper(value) { + this.__wrapped__ = value; + this.__actions__ = []; + this.__dir__ = 1; + this.__filtered__ = false; + this.__iteratees__ = []; + this.__takeCount__ = MAX_ARRAY_LENGTH; + this.__views__ = []; + } + + /** + * Creates a clone of the lazy wrapper object. + * + * @private + * @name clone + * @memberOf LazyWrapper + * @returns {Object} Returns the cloned `LazyWrapper` object. + */ + function lazyClone() { + var result = new LazyWrapper(this.__wrapped__); + result.__actions__ = copyArray(this.__actions__); + result.__dir__ = this.__dir__; + result.__filtered__ = this.__filtered__; + result.__iteratees__ = copyArray(this.__iteratees__); + result.__takeCount__ = this.__takeCount__; + result.__views__ = copyArray(this.__views__); + return result; + } + + /** + * Reverses the direction of lazy iteration. + * + * @private + * @name reverse + * @memberOf LazyWrapper + * @returns {Object} Returns the new reversed `LazyWrapper` object. + */ + function lazyReverse() { + if (this.__filtered__) { + var result = new LazyWrapper(this); + result.__dir__ = -1; + result.__filtered__ = true; + } else { + result = this.clone(); + result.__dir__ *= -1; + } + return result; + } + + /** + * Extracts the unwrapped value from its lazy wrapper. + * + * @private + * @name value + * @memberOf LazyWrapper + * @returns {*} Returns the unwrapped value. + */ + function lazyValue() { + var array = this.__wrapped__.value(), + dir = this.__dir__, + isArr = isArray(array), + isRight = dir < 0, + arrLength = isArr ? array.length : 0, + view = getView(0, arrLength, this.__views__), + start = view.start, + end = view.end, + length = end - start, + index = isRight ? end : (start - 1), + iteratees = this.__iteratees__, + iterLength = iteratees.length, + resIndex = 0, + takeCount = nativeMin(length, this.__takeCount__); + + if (!isArr || (!isRight && arrLength == length && takeCount == length)) { + return baseWrapperValue(array, this.__actions__); + } + var result = []; + + outer: + while (length-- && resIndex < takeCount) { + index += dir; + + var iterIndex = -1, + value = array[index]; + + while (++iterIndex < iterLength) { + var data = iteratees[iterIndex], + iteratee = data.iteratee, + type = data.type, + computed = iteratee(value); + + if (type == LAZY_MAP_FLAG) { + value = computed; + } else if (!computed) { + if (type == LAZY_FILTER_FLAG) { + continue outer; + } else { + break outer; + } + } + } + result[resIndex++] = value; + } + return result; + } + + // Ensure `LazyWrapper` is an instance of `baseLodash`. + LazyWrapper.prototype = baseCreate(baseLodash.prototype); + LazyWrapper.prototype.constructor = LazyWrapper; + + /*------------------------------------------------------------------------*/ + + /** + * Creates a hash object. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ + function Hash(entries) { + var index = -1, + length = entries == null ? 0 : entries.length; + + this.clear(); + while (++index < length) { + var entry = entries[index]; + this.set(entry[0], entry[1]); + } + } + + /** + * Removes all key-value entries from the hash. + * + * @private + * @name clear + * @memberOf Hash + */ + function hashClear() { + this.__data__ = nativeCreate ? nativeCreate(null) : {}; + this.size = 0; + } + + /** + * Removes `key` and its value from the hash. + * + * @private + * @name delete + * @memberOf Hash + * @param {Object} hash The hash to modify. + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ + function hashDelete(key) { + var result = this.has(key) && delete this.__data__[key]; + this.size -= result ? 1 : 0; + return result; + } + + /** + * Gets the hash value for `key`. + * + * @private + * @name get + * @memberOf Hash + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ + function hashGet(key) { + var data = this.__data__; + if (nativeCreate) { + var result = data[key]; + return result === HASH_UNDEFINED ? undefined$1 : result; + } + return hasOwnProperty.call(data, key) ? data[key] : undefined$1; + } + + /** + * Checks if a hash value for `key` exists. + * + * @private + * @name has + * @memberOf Hash + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ + function hashHas(key) { + var data = this.__data__; + return nativeCreate ? (data[key] !== undefined$1) : hasOwnProperty.call(data, key); + } + + /** + * Sets the hash `key` to `value`. + * + * @private + * @name set + * @memberOf Hash + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the hash instance. + */ + function hashSet(key, value) { + var data = this.__data__; + this.size += this.has(key) ? 0 : 1; + data[key] = (nativeCreate && value === undefined$1) ? HASH_UNDEFINED : value; + return this; + } + + // Add methods to `Hash`. + Hash.prototype.clear = hashClear; + Hash.prototype['delete'] = hashDelete; + Hash.prototype.get = hashGet; + Hash.prototype.has = hashHas; + Hash.prototype.set = hashSet; + + /*------------------------------------------------------------------------*/ + + /** + * Creates an list cache object. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ + function ListCache(entries) { + var index = -1, + length = entries == null ? 0 : entries.length; + + this.clear(); + while (++index < length) { + var entry = entries[index]; + this.set(entry[0], entry[1]); + } + } + + /** + * Removes all key-value entries from the list cache. + * + * @private + * @name clear + * @memberOf ListCache + */ + function listCacheClear() { + this.__data__ = []; + this.size = 0; + } + + /** + * Removes `key` and its value from the list cache. + * + * @private + * @name delete + * @memberOf ListCache + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ + function listCacheDelete(key) { + var data = this.__data__, + index = assocIndexOf(data, key); + + if (index < 0) { + return false; + } + var lastIndex = data.length - 1; + if (index == lastIndex) { + data.pop(); + } else { + splice.call(data, index, 1); + } + --this.size; + return true; + } + + /** + * Gets the list cache value for `key`. + * + * @private + * @name get + * @memberOf ListCache + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ + function listCacheGet(key) { + var data = this.__data__, + index = assocIndexOf(data, key); + + return index < 0 ? undefined$1 : data[index][1]; + } + + /** + * Checks if a list cache value for `key` exists. + * + * @private + * @name has + * @memberOf ListCache + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ + function listCacheHas(key) { + return assocIndexOf(this.__data__, key) > -1; + } + + /** + * Sets the list cache `key` to `value`. + * + * @private + * @name set + * @memberOf ListCache + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the list cache instance. + */ + function listCacheSet(key, value) { + var data = this.__data__, + index = assocIndexOf(data, key); + + if (index < 0) { + ++this.size; + data.push([key, value]); + } else { + data[index][1] = value; + } + return this; + } + + // Add methods to `ListCache`. + ListCache.prototype.clear = listCacheClear; + ListCache.prototype['delete'] = listCacheDelete; + ListCache.prototype.get = listCacheGet; + ListCache.prototype.has = listCacheHas; + ListCache.prototype.set = listCacheSet; + + /*------------------------------------------------------------------------*/ + + /** + * Creates a map cache object to store key-value pairs. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ + function MapCache(entries) { + var index = -1, + length = entries == null ? 0 : entries.length; + + this.clear(); + while (++index < length) { + var entry = entries[index]; + this.set(entry[0], entry[1]); + } + } + + /** + * Removes all key-value entries from the map. + * + * @private + * @name clear + * @memberOf MapCache + */ + function mapCacheClear() { + this.size = 0; + this.__data__ = { + 'hash': new Hash, + 'map': new (Map || ListCache), + 'string': new Hash + }; + } + + /** + * Removes `key` and its value from the map. + * + * @private + * @name delete + * @memberOf MapCache + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ + function mapCacheDelete(key) { + var result = getMapData(this, key)['delete'](key); + this.size -= result ? 1 : 0; + return result; + } + + /** + * Gets the map value for `key`. + * + * @private + * @name get + * @memberOf MapCache + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ + function mapCacheGet(key) { + return getMapData(this, key).get(key); + } + + /** + * Checks if a map value for `key` exists. + * + * @private + * @name has + * @memberOf MapCache + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ + function mapCacheHas(key) { + return getMapData(this, key).has(key); + } + + /** + * Sets the map `key` to `value`. + * + * @private + * @name set + * @memberOf MapCache + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the map cache instance. + */ + function mapCacheSet(key, value) { + var data = getMapData(this, key), + size = data.size; + + data.set(key, value); + this.size += data.size == size ? 0 : 1; + return this; + } + + // Add methods to `MapCache`. + MapCache.prototype.clear = mapCacheClear; + MapCache.prototype['delete'] = mapCacheDelete; + MapCache.prototype.get = mapCacheGet; + MapCache.prototype.has = mapCacheHas; + MapCache.prototype.set = mapCacheSet; + + /*------------------------------------------------------------------------*/ + + /** + * + * Creates an array cache object to store unique values. + * + * @private + * @constructor + * @param {Array} [values] The values to cache. + */ + function SetCache(values) { + var index = -1, + length = values == null ? 0 : values.length; + + this.__data__ = new MapCache; + while (++index < length) { + this.add(values[index]); + } + } + + /** + * Adds `value` to the array cache. + * + * @private + * @name add + * @memberOf SetCache + * @alias push + * @param {*} value The value to cache. + * @returns {Object} Returns the cache instance. + */ + function setCacheAdd(value) { + this.__data__.set(value, HASH_UNDEFINED); + return this; + } + + /** + * Checks if `value` is in the array cache. + * + * @private + * @name has + * @memberOf SetCache + * @param {*} value The value to search for. + * @returns {number} Returns `true` if `value` is found, else `false`. + */ + function setCacheHas(value) { + return this.__data__.has(value); + } + + // Add methods to `SetCache`. + SetCache.prototype.add = SetCache.prototype.push = setCacheAdd; + SetCache.prototype.has = setCacheHas; + + /*------------------------------------------------------------------------*/ + + /** + * Creates a stack cache object to store key-value pairs. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ + function Stack(entries) { + var data = this.__data__ = new ListCache(entries); + this.size = data.size; + } + + /** + * Removes all key-value entries from the stack. + * + * @private + * @name clear + * @memberOf Stack + */ + function stackClear() { + this.__data__ = new ListCache; + this.size = 0; + } + + /** + * Removes `key` and its value from the stack. + * + * @private + * @name delete + * @memberOf Stack + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ + function stackDelete(key) { + var data = this.__data__, + result = data['delete'](key); + + this.size = data.size; + return result; + } + + /** + * Gets the stack value for `key`. + * + * @private + * @name get + * @memberOf Stack + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ + function stackGet(key) { + return this.__data__.get(key); + } + + /** + * Checks if a stack value for `key` exists. + * + * @private + * @name has + * @memberOf Stack + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ + function stackHas(key) { + return this.__data__.has(key); + } + + /** + * Sets the stack `key` to `value`. + * + * @private + * @name set + * @memberOf Stack + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the stack cache instance. + */ + function stackSet(key, value) { + var data = this.__data__; + if (data instanceof ListCache) { + var pairs = data.__data__; + if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) { + pairs.push([key, value]); + this.size = ++data.size; + return this; + } + data = this.__data__ = new MapCache(pairs); + } + data.set(key, value); + this.size = data.size; + return this; + } + + // Add methods to `Stack`. + Stack.prototype.clear = stackClear; + Stack.prototype['delete'] = stackDelete; + Stack.prototype.get = stackGet; + Stack.prototype.has = stackHas; + Stack.prototype.set = stackSet; + + /*------------------------------------------------------------------------*/ + + /** + * Creates an array of the enumerable property names of the array-like `value`. + * + * @private + * @param {*} value The value to query. + * @param {boolean} inherited Specify returning inherited property names. + * @returns {Array} Returns the array of property names. + */ + function arrayLikeKeys(value, inherited) { + var isArr = isArray(value), + isArg = !isArr && isArguments(value), + isBuff = !isArr && !isArg && isBuffer(value), + isType = !isArr && !isArg && !isBuff && isTypedArray(value), + skipIndexes = isArr || isArg || isBuff || isType, + result = skipIndexes ? baseTimes(value.length, String) : [], + length = result.length; + + for (var key in value) { + if ((inherited || hasOwnProperty.call(value, key)) && + !(skipIndexes && ( + // Safari 9 has enumerable `arguments.length` in strict mode. + key == 'length' || + // Node.js 0.10 has enumerable non-index properties on buffers. + (isBuff && (key == 'offset' || key == 'parent')) || + // PhantomJS 2 has enumerable non-index properties on typed arrays. + (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) || + // Skip index properties. + isIndex(key, length) + ))) { + result.push(key); + } + } + return result; + } + + /** + * A specialized version of `_.sample` for arrays. + * + * @private + * @param {Array} array The array to sample. + * @returns {*} Returns the random element. + */ + function arraySample(array) { + var length = array.length; + return length ? array[baseRandom(0, length - 1)] : undefined$1; + } + + /** + * A specialized version of `_.sampleSize` for arrays. + * + * @private + * @param {Array} array The array to sample. + * @param {number} n The number of elements to sample. + * @returns {Array} Returns the random elements. + */ + function arraySampleSize(array, n) { + return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length)); + } + + /** + * A specialized version of `_.shuffle` for arrays. + * + * @private + * @param {Array} array The array to shuffle. + * @returns {Array} Returns the new shuffled array. + */ + function arrayShuffle(array) { + return shuffleSelf(copyArray(array)); + } + + /** + * This function is like `assignValue` except that it doesn't assign + * `undefined` values. + * + * @private + * @param {Object} object The object to modify. + * @param {string} key The key of the property to assign. + * @param {*} value The value to assign. + */ + function assignMergeValue(object, key, value) { + if ((value !== undefined$1 && !eq(object[key], value)) || + (value === undefined$1 && !(key in object))) { + baseAssignValue(object, key, value); + } + } + + /** + * Assigns `value` to `key` of `object` if the existing value is not equivalent + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * @private + * @param {Object} object The object to modify. + * @param {string} key The key of the property to assign. + * @param {*} value The value to assign. + */ + function assignValue(object, key, value) { + var objValue = object[key]; + if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || + (value === undefined$1 && !(key in object))) { + baseAssignValue(object, key, value); + } + } + + /** + * Gets the index at which the `key` is found in `array` of key-value pairs. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} key The key to search for. + * @returns {number} Returns the index of the matched value, else `-1`. + */ + function assocIndexOf(array, key) { + var length = array.length; + while (length--) { + if (eq(array[length][0], key)) { + return length; + } + } + return -1; + } + + /** + * Aggregates elements of `collection` on `accumulator` with keys transformed + * by `iteratee` and values set by `setter`. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} setter The function to set `accumulator` values. + * @param {Function} iteratee The iteratee to transform keys. + * @param {Object} accumulator The initial aggregated object. + * @returns {Function} Returns `accumulator`. + */ + function baseAggregator(collection, setter, iteratee, accumulator) { + baseEach(collection, function(value, key, collection) { + setter(accumulator, value, iteratee(value), collection); + }); + return accumulator; + } + + /** + * The base implementation of `_.assign` without support for multiple sources + * or `customizer` functions. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @returns {Object} Returns `object`. + */ + function baseAssign(object, source) { + return object && copyObject(source, keys(source), object); + } + + /** + * The base implementation of `_.assignIn` without support for multiple sources + * or `customizer` functions. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @returns {Object} Returns `object`. + */ + function baseAssignIn(object, source) { + return object && copyObject(source, keysIn(source), object); + } + + /** + * The base implementation of `assignValue` and `assignMergeValue` without + * value checks. + * + * @private + * @param {Object} object The object to modify. + * @param {string} key The key of the property to assign. + * @param {*} value The value to assign. + */ + function baseAssignValue(object, key, value) { + if (key == '__proto__' && defineProperty) { + defineProperty(object, key, { + 'configurable': true, + 'enumerable': true, + 'value': value, + 'writable': true + }); + } else { + object[key] = value; + } + } + + /** + * The base implementation of `_.at` without support for individual paths. + * + * @private + * @param {Object} object The object to iterate over. + * @param {string[]} paths The property paths to pick. + * @returns {Array} Returns the picked elements. + */ + function baseAt(object, paths) { + var index = -1, + length = paths.length, + result = Array(length), + skip = object == null; + + while (++index < length) { + result[index] = skip ? undefined$1 : get(object, paths[index]); + } + return result; + } + + /** + * The base implementation of `_.clamp` which doesn't coerce arguments. + * + * @private + * @param {number} number The number to clamp. + * @param {number} [lower] The lower bound. + * @param {number} upper The upper bound. + * @returns {number} Returns the clamped number. + */ + function baseClamp(number, lower, upper) { + if (number === number) { + if (upper !== undefined$1) { + number = number <= upper ? number : upper; + } + if (lower !== undefined$1) { + number = number >= lower ? number : lower; + } + } + return number; + } + + /** + * The base implementation of `_.clone` and `_.cloneDeep` which tracks + * traversed objects. + * + * @private + * @param {*} value The value to clone. + * @param {boolean} bitmask The bitmask flags. + * 1 - Deep clone + * 2 - Flatten inherited properties + * 4 - Clone symbols + * @param {Function} [customizer] The function to customize cloning. + * @param {string} [key] The key of `value`. + * @param {Object} [object] The parent object of `value`. + * @param {Object} [stack] Tracks traversed objects and their clone counterparts. + * @returns {*} Returns the cloned value. + */ + function baseClone(value, bitmask, customizer, key, object, stack) { + var result, + isDeep = bitmask & CLONE_DEEP_FLAG, + isFlat = bitmask & CLONE_FLAT_FLAG, + isFull = bitmask & CLONE_SYMBOLS_FLAG; + + if (customizer) { + result = object ? customizer(value, key, object, stack) : customizer(value); + } + if (result !== undefined$1) { + return result; + } + if (!isObject(value)) { + return value; + } + var isArr = isArray(value); + if (isArr) { + result = initCloneArray(value); + if (!isDeep) { + return copyArray(value, result); + } + } else { + var tag = getTag(value), + isFunc = tag == funcTag || tag == genTag; + + if (isBuffer(value)) { + return cloneBuffer(value, isDeep); + } + if (tag == objectTag || tag == argsTag || (isFunc && !object)) { + result = (isFlat || isFunc) ? {} : initCloneObject(value); + if (!isDeep) { + return isFlat + ? copySymbolsIn(value, baseAssignIn(result, value)) + : copySymbols(value, baseAssign(result, value)); + } + } else { + if (!cloneableTags[tag]) { + return object ? value : {}; + } + result = initCloneByTag(value, tag, isDeep); + } + } + // Check for circular references and return its corresponding clone. + stack || (stack = new Stack); + var stacked = stack.get(value); + if (stacked) { + return stacked; + } + stack.set(value, result); + + if (isSet(value)) { + value.forEach(function(subValue) { + result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack)); + }); + } else if (isMap(value)) { + value.forEach(function(subValue, key) { + result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack)); + }); + } + + var keysFunc = isFull + ? (isFlat ? getAllKeysIn : getAllKeys) + : (isFlat ? keysIn : keys); + + var props = isArr ? undefined$1 : keysFunc(value); + arrayEach(props || value, function(subValue, key) { + if (props) { + key = subValue; + subValue = value[key]; + } + // Recursively populate clone (susceptible to call stack limits). + assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack)); + }); + return result; + } + + /** + * The base implementation of `_.conforms` which doesn't clone `source`. + * + * @private + * @param {Object} source The object of property predicates to conform to. + * @returns {Function} Returns the new spec function. + */ + function baseConforms(source) { + var props = keys(source); + return function(object) { + return baseConformsTo(object, source, props); + }; + } + + /** + * The base implementation of `_.conformsTo` which accepts `props` to check. + * + * @private + * @param {Object} object The object to inspect. + * @param {Object} source The object of property predicates to conform to. + * @returns {boolean} Returns `true` if `object` conforms, else `false`. + */ + function baseConformsTo(object, source, props) { + var length = props.length; + if (object == null) { + return !length; + } + object = Object(object); + while (length--) { + var key = props[length], + predicate = source[key], + value = object[key]; + + if ((value === undefined$1 && !(key in object)) || !predicate(value)) { + return false; + } + } + return true; + } + + /** + * The base implementation of `_.delay` and `_.defer` which accepts `args` + * to provide to `func`. + * + * @private + * @param {Function} func The function to delay. + * @param {number} wait The number of milliseconds to delay invocation. + * @param {Array} args The arguments to provide to `func`. + * @returns {number|Object} Returns the timer id or timeout object. + */ + function baseDelay(func, wait, args) { + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + return setTimeout(function() { func.apply(undefined$1, args); }, wait); + } + + /** + * The base implementation of methods like `_.difference` without support + * for excluding multiple arrays or iteratee shorthands. + * + * @private + * @param {Array} array The array to inspect. + * @param {Array} values The values to exclude. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + */ + function baseDifference(array, values, iteratee, comparator) { + var index = -1, + includes = arrayIncludes, + isCommon = true, + length = array.length, + result = [], + valuesLength = values.length; + + if (!length) { + return result; + } + if (iteratee) { + values = arrayMap(values, baseUnary(iteratee)); + } + if (comparator) { + includes = arrayIncludesWith; + isCommon = false; + } + else if (values.length >= LARGE_ARRAY_SIZE) { + includes = cacheHas; + isCommon = false; + values = new SetCache(values); + } + outer: + while (++index < length) { + var value = array[index], + computed = iteratee == null ? value : iteratee(value); + + value = (comparator || value !== 0) ? value : 0; + if (isCommon && computed === computed) { + var valuesIndex = valuesLength; + while (valuesIndex--) { + if (values[valuesIndex] === computed) { + continue outer; + } + } + result.push(value); + } + else if (!includes(values, computed, comparator)) { + result.push(value); + } + } + return result; + } + + /** + * The base implementation of `_.forEach` without support for iteratee shorthands. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array|Object} Returns `collection`. + */ + var baseEach = createBaseEach(baseForOwn); + + /** + * The base implementation of `_.forEachRight` without support for iteratee shorthands. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array|Object} Returns `collection`. + */ + var baseEachRight = createBaseEach(baseForOwnRight, true); + + /** + * The base implementation of `_.every` without support for iteratee shorthands. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} predicate The function invoked per iteration. + * @returns {boolean} Returns `true` if all elements pass the predicate check, + * else `false` + */ + function baseEvery(collection, predicate) { + var result = true; + baseEach(collection, function(value, index, collection) { + result = !!predicate(value, index, collection); + return result; + }); + return result; + } + + /** + * The base implementation of methods like `_.max` and `_.min` which accepts a + * `comparator` to determine the extremum value. + * + * @private + * @param {Array} array The array to iterate over. + * @param {Function} iteratee The iteratee invoked per iteration. + * @param {Function} comparator The comparator used to compare values. + * @returns {*} Returns the extremum value. + */ + function baseExtremum(array, iteratee, comparator) { + var index = -1, + length = array.length; + + while (++index < length) { + var value = array[index], + current = iteratee(value); + + if (current != null && (computed === undefined$1 + ? (current === current && !isSymbol(current)) + : comparator(current, computed) + )) { + var computed = current, + result = value; + } + } + return result; + } + + /** + * The base implementation of `_.fill` without an iteratee call guard. + * + * @private + * @param {Array} array The array to fill. + * @param {*} value The value to fill `array` with. + * @param {number} [start=0] The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns `array`. + */ + function baseFill(array, value, start, end) { + var length = array.length; + + start = toInteger(start); + if (start < 0) { + start = -start > length ? 0 : (length + start); + } + end = (end === undefined$1 || end > length) ? length : toInteger(end); + if (end < 0) { + end += length; + } + end = start > end ? 0 : toLength(end); + while (start < end) { + array[start++] = value; + } + return array; + } + + /** + * The base implementation of `_.filter` without support for iteratee shorthands. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} predicate The function invoked per iteration. + * @returns {Array} Returns the new filtered array. + */ + function baseFilter(collection, predicate) { + var result = []; + baseEach(collection, function(value, index, collection) { + if (predicate(value, index, collection)) { + result.push(value); + } + }); + return result; + } + + /** + * The base implementation of `_.flatten` with support for restricting flattening. + * + * @private + * @param {Array} array The array to flatten. + * @param {number} depth The maximum recursion depth. + * @param {boolean} [predicate=isFlattenable] The function invoked per iteration. + * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks. + * @param {Array} [result=[]] The initial result value. + * @returns {Array} Returns the new flattened array. + */ + function baseFlatten(array, depth, predicate, isStrict, result) { + var index = -1, + length = array.length; + + predicate || (predicate = isFlattenable); + result || (result = []); + + while (++index < length) { + var value = array[index]; + if (depth > 0 && predicate(value)) { + if (depth > 1) { + // Recursively flatten arrays (susceptible to call stack limits). + baseFlatten(value, depth - 1, predicate, isStrict, result); + } else { + arrayPush(result, value); + } + } else if (!isStrict) { + result[result.length] = value; + } + } + return result; + } + + /** + * The base implementation of `baseForOwn` which iterates over `object` + * properties returned by `keysFunc` and invokes `iteratee` for each property. + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {Function} keysFunc The function to get the keys of `object`. + * @returns {Object} Returns `object`. + */ + var baseFor = createBaseFor(); + + /** + * This function is like `baseFor` except that it iterates over properties + * in the opposite order. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {Function} keysFunc The function to get the keys of `object`. + * @returns {Object} Returns `object`. + */ + var baseForRight = createBaseFor(true); + + /** + * The base implementation of `_.forOwn` without support for iteratee shorthands. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Object} Returns `object`. + */ + function baseForOwn(object, iteratee) { + return object && baseFor(object, iteratee, keys); + } + + /** + * The base implementation of `_.forOwnRight` without support for iteratee shorthands. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Object} Returns `object`. + */ + function baseForOwnRight(object, iteratee) { + return object && baseForRight(object, iteratee, keys); + } + + /** + * The base implementation of `_.functions` which creates an array of + * `object` function property names filtered from `props`. + * + * @private + * @param {Object} object The object to inspect. + * @param {Array} props The property names to filter. + * @returns {Array} Returns the function names. + */ + function baseFunctions(object, props) { + return arrayFilter(props, function(key) { + return isFunction(object[key]); + }); + } + + /** + * The base implementation of `_.get` without support for default values. + * + * @private + * @param {Object} object The object to query. + * @param {Array|string} path The path of the property to get. + * @returns {*} Returns the resolved value. + */ + function baseGet(object, path) { + path = castPath(path, object); + + var index = 0, + length = path.length; + + while (object != null && index < length) { + object = object[toKey(path[index++])]; + } + return (index && index == length) ? object : undefined$1; + } + + /** + * The base implementation of `getAllKeys` and `getAllKeysIn` which uses + * `keysFunc` and `symbolsFunc` to get the enumerable property names and + * symbols of `object`. + * + * @private + * @param {Object} object The object to query. + * @param {Function} keysFunc The function to get the keys of `object`. + * @param {Function} symbolsFunc The function to get the symbols of `object`. + * @returns {Array} Returns the array of property names and symbols. + */ + function baseGetAllKeys(object, keysFunc, symbolsFunc) { + var result = keysFunc(object); + return isArray(object) ? result : arrayPush(result, symbolsFunc(object)); + } + + /** + * The base implementation of `getTag` without fallbacks for buggy environments. + * + * @private + * @param {*} value The value to query. + * @returns {string} Returns the `toStringTag`. + */ + function baseGetTag(value) { + if (value == null) { + return value === undefined$1 ? undefinedTag : nullTag; + } + return (symToStringTag && symToStringTag in Object(value)) + ? getRawTag(value) + : objectToString(value); + } + + /** + * The base implementation of `_.gt` which doesn't coerce arguments. + * + * @private + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is greater than `other`, + * else `false`. + */ + function baseGt(value, other) { + return value > other; + } + + /** + * The base implementation of `_.has` without support for deep paths. + * + * @private + * @param {Object} [object] The object to query. + * @param {Array|string} key The key to check. + * @returns {boolean} Returns `true` if `key` exists, else `false`. + */ + function baseHas(object, key) { + return object != null && hasOwnProperty.call(object, key); + } + + /** + * The base implementation of `_.hasIn` without support for deep paths. + * + * @private + * @param {Object} [object] The object to query. + * @param {Array|string} key The key to check. + * @returns {boolean} Returns `true` if `key` exists, else `false`. + */ + function baseHasIn(object, key) { + return object != null && key in Object(object); + } + + /** + * The base implementation of `_.inRange` which doesn't coerce arguments. + * + * @private + * @param {number} number The number to check. + * @param {number} start The start of the range. + * @param {number} end The end of the range. + * @returns {boolean} Returns `true` if `number` is in the range, else `false`. + */ + function baseInRange(number, start, end) { + return number >= nativeMin(start, end) && number < nativeMax(start, end); + } + + /** + * The base implementation of methods like `_.intersection`, without support + * for iteratee shorthands, that accepts an array of arrays to inspect. + * + * @private + * @param {Array} arrays The arrays to inspect. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of shared values. + */ + function baseIntersection(arrays, iteratee, comparator) { + var includes = comparator ? arrayIncludesWith : arrayIncludes, + length = arrays[0].length, + othLength = arrays.length, + othIndex = othLength, + caches = Array(othLength), + maxLength = Infinity, + result = []; + + while (othIndex--) { + var array = arrays[othIndex]; + if (othIndex && iteratee) { + array = arrayMap(array, baseUnary(iteratee)); + } + maxLength = nativeMin(array.length, maxLength); + caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120)) + ? new SetCache(othIndex && array) + : undefined$1; + } + array = arrays[0]; + + var index = -1, + seen = caches[0]; + + outer: + while (++index < length && result.length < maxLength) { + var value = array[index], + computed = iteratee ? iteratee(value) : value; + + value = (comparator || value !== 0) ? value : 0; + if (!(seen + ? cacheHas(seen, computed) + : includes(result, computed, comparator) + )) { + othIndex = othLength; + while (--othIndex) { + var cache = caches[othIndex]; + if (!(cache + ? cacheHas(cache, computed) + : includes(arrays[othIndex], computed, comparator)) + ) { + continue outer; + } + } + if (seen) { + seen.push(computed); + } + result.push(value); + } + } + return result; + } + + /** + * The base implementation of `_.invert` and `_.invertBy` which inverts + * `object` with values transformed by `iteratee` and set by `setter`. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} setter The function to set `accumulator` values. + * @param {Function} iteratee The iteratee to transform values. + * @param {Object} accumulator The initial inverted object. + * @returns {Function} Returns `accumulator`. + */ + function baseInverter(object, setter, iteratee, accumulator) { + baseForOwn(object, function(value, key, object) { + setter(accumulator, iteratee(value), key, object); + }); + return accumulator; + } + + /** + * The base implementation of `_.invoke` without support for individual + * method arguments. + * + * @private + * @param {Object} object The object to query. + * @param {Array|string} path The path of the method to invoke. + * @param {Array} args The arguments to invoke the method with. + * @returns {*} Returns the result of the invoked method. + */ + function baseInvoke(object, path, args) { + path = castPath(path, object); + object = parent(object, path); + var func = object == null ? object : object[toKey(last(path))]; + return func == null ? undefined$1 : apply(func, object, args); + } + + /** + * The base implementation of `_.isArguments`. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an `arguments` object, + */ + function baseIsArguments(value) { + return isObjectLike(value) && baseGetTag(value) == argsTag; + } + + /** + * The base implementation of `_.isArrayBuffer` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`. + */ + function baseIsArrayBuffer(value) { + return isObjectLike(value) && baseGetTag(value) == arrayBufferTag; + } + + /** + * The base implementation of `_.isDate` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a date object, else `false`. + */ + function baseIsDate(value) { + return isObjectLike(value) && baseGetTag(value) == dateTag; + } + + /** + * The base implementation of `_.isEqual` which supports partial comparisons + * and tracks traversed objects. + * + * @private + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @param {boolean} bitmask The bitmask flags. + * 1 - Unordered comparison + * 2 - Partial comparison + * @param {Function} [customizer] The function to customize comparisons. + * @param {Object} [stack] Tracks traversed `value` and `other` objects. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + */ + function baseIsEqual(value, other, bitmask, customizer, stack) { + if (value === other) { + return true; + } + if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) { + return value !== value && other !== other; + } + return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack); + } + + /** + * A specialized version of `baseIsEqual` for arrays and objects which performs + * deep comparisons and tracks traversed objects enabling objects with circular + * references to be compared. + * + * @private + * @param {Object} object The object to compare. + * @param {Object} other The other object to compare. + * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. + * @param {Function} customizer The function to customize comparisons. + * @param {Function} equalFunc The function to determine equivalents of values. + * @param {Object} [stack] Tracks traversed `object` and `other` objects. + * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. + */ + function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) { + var objIsArr = isArray(object), + othIsArr = isArray(other), + objTag = objIsArr ? arrayTag : getTag(object), + othTag = othIsArr ? arrayTag : getTag(other); + + objTag = objTag == argsTag ? objectTag : objTag; + othTag = othTag == argsTag ? objectTag : othTag; + + var objIsObj = objTag == objectTag, + othIsObj = othTag == objectTag, + isSameTag = objTag == othTag; + + if (isSameTag && isBuffer(object)) { + if (!isBuffer(other)) { + return false; + } + objIsArr = true; + objIsObj = false; + } + if (isSameTag && !objIsObj) { + stack || (stack = new Stack); + return (objIsArr || isTypedArray(object)) + ? equalArrays(object, other, bitmask, customizer, equalFunc, stack) + : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack); + } + if (!(bitmask & COMPARE_PARTIAL_FLAG)) { + var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'), + othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__'); + + if (objIsWrapped || othIsWrapped) { + var objUnwrapped = objIsWrapped ? object.value() : object, + othUnwrapped = othIsWrapped ? other.value() : other; + + stack || (stack = new Stack); + return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack); + } + } + if (!isSameTag) { + return false; + } + stack || (stack = new Stack); + return equalObjects(object, other, bitmask, customizer, equalFunc, stack); + } + + /** + * The base implementation of `_.isMap` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a map, else `false`. + */ + function baseIsMap(value) { + return isObjectLike(value) && getTag(value) == mapTag; + } + + /** + * The base implementation of `_.isMatch` without support for iteratee shorthands. + * + * @private + * @param {Object} object The object to inspect. + * @param {Object} source The object of property values to match. + * @param {Array} matchData The property names, values, and compare flags to match. + * @param {Function} [customizer] The function to customize comparisons. + * @returns {boolean} Returns `true` if `object` is a match, else `false`. + */ + function baseIsMatch(object, source, matchData, customizer) { + var index = matchData.length, + length = index, + noCustomizer = !customizer; + + if (object == null) { + return !length; + } + object = Object(object); + while (index--) { + var data = matchData[index]; + if ((noCustomizer && data[2]) + ? data[1] !== object[data[0]] + : !(data[0] in object) + ) { + return false; + } + } + while (++index < length) { + data = matchData[index]; + var key = data[0], + objValue = object[key], + srcValue = data[1]; + + if (noCustomizer && data[2]) { + if (objValue === undefined$1 && !(key in object)) { + return false; + } + } else { + var stack = new Stack; + if (customizer) { + var result = customizer(objValue, srcValue, key, object, source, stack); + } + if (!(result === undefined$1 + ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack) + : result + )) { + return false; + } + } + } + return true; + } + + /** + * The base implementation of `_.isNative` without bad shim checks. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a native function, + * else `false`. + */ + function baseIsNative(value) { + if (!isObject(value) || isMasked(value)) { + return false; + } + var pattern = isFunction(value) ? reIsNative : reIsHostCtor; + return pattern.test(toSource(value)); + } + + /** + * The base implementation of `_.isRegExp` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a regexp, else `false`. + */ + function baseIsRegExp(value) { + return isObjectLike(value) && baseGetTag(value) == regexpTag; + } + + /** + * The base implementation of `_.isSet` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a set, else `false`. + */ + function baseIsSet(value) { + return isObjectLike(value) && getTag(value) == setTag; + } + + /** + * The base implementation of `_.isTypedArray` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. + */ + function baseIsTypedArray(value) { + return isObjectLike(value) && + isLength(value.length) && !!typedArrayTags[baseGetTag(value)]; + } + + /** + * The base implementation of `_.iteratee`. + * + * @private + * @param {*} [value=_.identity] The value to convert to an iteratee. + * @returns {Function} Returns the iteratee. + */ + function baseIteratee(value) { + // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9. + // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details. + if (typeof value == 'function') { + return value; + } + if (value == null) { + return identity; + } + if (typeof value == 'object') { + return isArray(value) + ? baseMatchesProperty(value[0], value[1]) + : baseMatches(value); + } + return property(value); + } + + /** + * The base implementation of `_.keys` which doesn't treat sparse arrays as dense. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + */ + function baseKeys(object) { + if (!isPrototype(object)) { + return nativeKeys(object); + } + var result = []; + for (var key in Object(object)) { + if (hasOwnProperty.call(object, key) && key != 'constructor') { + result.push(key); + } + } + return result; + } + + /** + * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + */ + function baseKeysIn(object) { + if (!isObject(object)) { + return nativeKeysIn(object); + } + var isProto = isPrototype(object), + result = []; + + for (var key in object) { + if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { + result.push(key); + } + } + return result; + } + + /** + * The base implementation of `_.lt` which doesn't coerce arguments. + * + * @private + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is less than `other`, + * else `false`. + */ + function baseLt(value, other) { + return value < other; + } + + /** + * The base implementation of `_.map` without support for iteratee shorthands. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array} Returns the new mapped array. + */ + function baseMap(collection, iteratee) { + var index = -1, + result = isArrayLike(collection) ? Array(collection.length) : []; + + baseEach(collection, function(value, key, collection) { + result[++index] = iteratee(value, key, collection); + }); + return result; + } + + /** + * The base implementation of `_.matches` which doesn't clone `source`. + * + * @private + * @param {Object} source The object of property values to match. + * @returns {Function} Returns the new spec function. + */ + function baseMatches(source) { + var matchData = getMatchData(source); + if (matchData.length == 1 && matchData[0][2]) { + return matchesStrictComparable(matchData[0][0], matchData[0][1]); + } + return function(object) { + return object === source || baseIsMatch(object, source, matchData); + }; + } + + /** + * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. + * + * @private + * @param {string} path The path of the property to get. + * @param {*} srcValue The value to match. + * @returns {Function} Returns the new spec function. + */ + function baseMatchesProperty(path, srcValue) { + if (isKey(path) && isStrictComparable(srcValue)) { + return matchesStrictComparable(toKey(path), srcValue); + } + return function(object) { + var objValue = get(object, path); + return (objValue === undefined$1 && objValue === srcValue) + ? hasIn(object, path) + : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG); + }; + } + + /** + * The base implementation of `_.merge` without support for multiple sources. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @param {number} srcIndex The index of `source`. + * @param {Function} [customizer] The function to customize merged values. + * @param {Object} [stack] Tracks traversed source values and their merged + * counterparts. + */ + function baseMerge(object, source, srcIndex, customizer, stack) { + if (object === source) { + return; + } + baseFor(source, function(srcValue, key) { + stack || (stack = new Stack); + if (isObject(srcValue)) { + baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack); + } + else { + var newValue = customizer + ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack) + : undefined$1; + + if (newValue === undefined$1) { + newValue = srcValue; + } + assignMergeValue(object, key, newValue); + } + }, keysIn); + } + + /** + * A specialized version of `baseMerge` for arrays and objects which performs + * deep merges and tracks traversed objects enabling objects with circular + * references to be merged. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @param {string} key The key of the value to merge. + * @param {number} srcIndex The index of `source`. + * @param {Function} mergeFunc The function to merge values. + * @param {Function} [customizer] The function to customize assigned values. + * @param {Object} [stack] Tracks traversed source values and their merged + * counterparts. + */ + function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) { + var objValue = safeGet(object, key), + srcValue = safeGet(source, key), + stacked = stack.get(srcValue); + + if (stacked) { + assignMergeValue(object, key, stacked); + return; + } + var newValue = customizer + ? customizer(objValue, srcValue, (key + ''), object, source, stack) + : undefined$1; + + var isCommon = newValue === undefined$1; + + if (isCommon) { + var isArr = isArray(srcValue), + isBuff = !isArr && isBuffer(srcValue), + isTyped = !isArr && !isBuff && isTypedArray(srcValue); + + newValue = srcValue; + if (isArr || isBuff || isTyped) { + if (isArray(objValue)) { + newValue = objValue; + } + else if (isArrayLikeObject(objValue)) { + newValue = copyArray(objValue); + } + else if (isBuff) { + isCommon = false; + newValue = cloneBuffer(srcValue, true); + } + else if (isTyped) { + isCommon = false; + newValue = cloneTypedArray(srcValue, true); + } + else { + newValue = []; + } + } + else if (isPlainObject(srcValue) || isArguments(srcValue)) { + newValue = objValue; + if (isArguments(objValue)) { + newValue = toPlainObject(objValue); + } + else if (!isObject(objValue) || isFunction(objValue)) { + newValue = initCloneObject(srcValue); + } + } + else { + isCommon = false; + } + } + if (isCommon) { + // Recursively merge objects and arrays (susceptible to call stack limits). + stack.set(srcValue, newValue); + mergeFunc(newValue, srcValue, srcIndex, customizer, stack); + stack['delete'](srcValue); + } + assignMergeValue(object, key, newValue); + } + + /** + * The base implementation of `_.nth` which doesn't coerce arguments. + * + * @private + * @param {Array} array The array to query. + * @param {number} n The index of the element to return. + * @returns {*} Returns the nth element of `array`. + */ + function baseNth(array, n) { + var length = array.length; + if (!length) { + return; + } + n += n < 0 ? length : 0; + return isIndex(n, length) ? array[n] : undefined$1; + } + + /** + * The base implementation of `_.orderBy` without param guards. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by. + * @param {string[]} orders The sort orders of `iteratees`. + * @returns {Array} Returns the new sorted array. + */ + function baseOrderBy(collection, iteratees, orders) { + if (iteratees.length) { + iteratees = arrayMap(iteratees, function(iteratee) { + if (isArray(iteratee)) { + return function(value) { + return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee); + } + } + return iteratee; + }); + } else { + iteratees = [identity]; + } + + var index = -1; + iteratees = arrayMap(iteratees, baseUnary(getIteratee())); + + var result = baseMap(collection, function(value, key, collection) { + var criteria = arrayMap(iteratees, function(iteratee) { + return iteratee(value); + }); + return { 'criteria': criteria, 'index': ++index, 'value': value }; + }); + + return baseSortBy(result, function(object, other) { + return compareMultiple(object, other, orders); + }); + } + + /** + * The base implementation of `_.pick` without support for individual + * property identifiers. + * + * @private + * @param {Object} object The source object. + * @param {string[]} paths The property paths to pick. + * @returns {Object} Returns the new object. + */ + function basePick(object, paths) { + return basePickBy(object, paths, function(value, path) { + return hasIn(object, path); + }); + } + + /** + * The base implementation of `_.pickBy` without support for iteratee shorthands. + * + * @private + * @param {Object} object The source object. + * @param {string[]} paths The property paths to pick. + * @param {Function} predicate The function invoked per property. + * @returns {Object} Returns the new object. + */ + function basePickBy(object, paths, predicate) { + var index = -1, + length = paths.length, + result = {}; + + while (++index < length) { + var path = paths[index], + value = baseGet(object, path); + + if (predicate(value, path)) { + baseSet(result, castPath(path, object), value); + } + } + return result; + } + + /** + * A specialized version of `baseProperty` which supports deep paths. + * + * @private + * @param {Array|string} path The path of the property to get. + * @returns {Function} Returns the new accessor function. + */ + function basePropertyDeep(path) { + return function(object) { + return baseGet(object, path); + }; + } + + /** + * The base implementation of `_.pullAllBy` without support for iteratee + * shorthands. + * + * @private + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns `array`. + */ + function basePullAll(array, values, iteratee, comparator) { + var indexOf = comparator ? baseIndexOfWith : baseIndexOf, + index = -1, + length = values.length, + seen = array; + + if (array === values) { + values = copyArray(values); + } + if (iteratee) { + seen = arrayMap(array, baseUnary(iteratee)); + } + while (++index < length) { + var fromIndex = 0, + value = values[index], + computed = iteratee ? iteratee(value) : value; + + while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) { + if (seen !== array) { + splice.call(seen, fromIndex, 1); + } + splice.call(array, fromIndex, 1); + } + } + return array; + } + + /** + * The base implementation of `_.pullAt` without support for individual + * indexes or capturing the removed elements. + * + * @private + * @param {Array} array The array to modify. + * @param {number[]} indexes The indexes of elements to remove. + * @returns {Array} Returns `array`. + */ + function basePullAt(array, indexes) { + var length = array ? indexes.length : 0, + lastIndex = length - 1; + + while (length--) { + var index = indexes[length]; + if (length == lastIndex || index !== previous) { + var previous = index; + if (isIndex(index)) { + splice.call(array, index, 1); + } else { + baseUnset(array, index); + } + } + } + return array; + } + + /** + * The base implementation of `_.random` without support for returning + * floating-point numbers. + * + * @private + * @param {number} lower The lower bound. + * @param {number} upper The upper bound. + * @returns {number} Returns the random number. + */ + function baseRandom(lower, upper) { + return lower + nativeFloor(nativeRandom() * (upper - lower + 1)); + } + + /** + * The base implementation of `_.range` and `_.rangeRight` which doesn't + * coerce arguments. + * + * @private + * @param {number} start The start of the range. + * @param {number} end The end of the range. + * @param {number} step The value to increment or decrement by. + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Array} Returns the range of numbers. + */ + function baseRange(start, end, step, fromRight) { + var index = -1, + length = nativeMax(nativeCeil((end - start) / (step || 1)), 0), + result = Array(length); + + while (length--) { + result[fromRight ? length : ++index] = start; + start += step; + } + return result; + } + + /** + * The base implementation of `_.repeat` which doesn't coerce arguments. + * + * @private + * @param {string} string The string to repeat. + * @param {number} n The number of times to repeat the string. + * @returns {string} Returns the repeated string. + */ + function baseRepeat(string, n) { + var result = ''; + if (!string || n < 1 || n > MAX_SAFE_INTEGER) { + return result; + } + // Leverage the exponentiation by squaring algorithm for a faster repeat. + // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details. + do { + if (n % 2) { + result += string; + } + n = nativeFloor(n / 2); + if (n) { + string += string; + } + } while (n); + + return result; + } + + /** + * The base implementation of `_.rest` which doesn't validate or coerce arguments. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @returns {Function} Returns the new function. + */ + function baseRest(func, start) { + return setToString(overRest(func, start, identity), func + ''); + } + + /** + * The base implementation of `_.sample`. + * + * @private + * @param {Array|Object} collection The collection to sample. + * @returns {*} Returns the random element. + */ + function baseSample(collection) { + return arraySample(values(collection)); + } + + /** + * The base implementation of `_.sampleSize` without param guards. + * + * @private + * @param {Array|Object} collection The collection to sample. + * @param {number} n The number of elements to sample. + * @returns {Array} Returns the random elements. + */ + function baseSampleSize(collection, n) { + var array = values(collection); + return shuffleSelf(array, baseClamp(n, 0, array.length)); + } + + /** + * The base implementation of `_.set`. + * + * @private + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {*} value The value to set. + * @param {Function} [customizer] The function to customize path creation. + * @returns {Object} Returns `object`. + */ + function baseSet(object, path, value, customizer) { + if (!isObject(object)) { + return object; + } + path = castPath(path, object); + + var index = -1, + length = path.length, + lastIndex = length - 1, + nested = object; + + while (nested != null && ++index < length) { + var key = toKey(path[index]), + newValue = value; + + if (key === '__proto__' || key === 'constructor' || key === 'prototype') { + return object; + } + + if (index != lastIndex) { + var objValue = nested[key]; + newValue = customizer ? customizer(objValue, key, nested) : undefined$1; + if (newValue === undefined$1) { + newValue = isObject(objValue) + ? objValue + : (isIndex(path[index + 1]) ? [] : {}); + } + } + assignValue(nested, key, newValue); + nested = nested[key]; + } + return object; + } + + /** + * The base implementation of `setData` without support for hot loop shorting. + * + * @private + * @param {Function} func The function to associate metadata with. + * @param {*} data The metadata. + * @returns {Function} Returns `func`. + */ + var baseSetData = !metaMap ? identity : function(func, data) { + metaMap.set(func, data); + return func; + }; + + /** + * The base implementation of `setToString` without support for hot loop shorting. + * + * @private + * @param {Function} func The function to modify. + * @param {Function} string The `toString` result. + * @returns {Function} Returns `func`. + */ + var baseSetToString = !defineProperty ? identity : function(func, string) { + return defineProperty(func, 'toString', { + 'configurable': true, + 'enumerable': false, + 'value': constant(string), + 'writable': true + }); + }; + + /** + * The base implementation of `_.shuffle`. + * + * @private + * @param {Array|Object} collection The collection to shuffle. + * @returns {Array} Returns the new shuffled array. + */ + function baseShuffle(collection) { + return shuffleSelf(values(collection)); + } + + /** + * The base implementation of `_.slice` without an iteratee call guard. + * + * @private + * @param {Array} array The array to slice. + * @param {number} [start=0] The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns the slice of `array`. + */ + function baseSlice(array, start, end) { + var index = -1, + length = array.length; + + if (start < 0) { + start = -start > length ? 0 : (length + start); + } + end = end > length ? length : end; + if (end < 0) { + end += length; + } + length = start > end ? 0 : ((end - start) >>> 0); + start >>>= 0; + + var result = Array(length); + while (++index < length) { + result[index] = array[index + start]; + } + return result; + } + + /** + * The base implementation of `_.some` without support for iteratee shorthands. + * + * @private + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} predicate The function invoked per iteration. + * @returns {boolean} Returns `true` if any element passes the predicate check, + * else `false`. + */ + function baseSome(collection, predicate) { + var result; + + baseEach(collection, function(value, index, collection) { + result = predicate(value, index, collection); + return !result; + }); + return !!result; + } + + /** + * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which + * performs a binary search of `array` to determine the index at which `value` + * should be inserted into `array` in order to maintain its sort order. + * + * @private + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {boolean} [retHighest] Specify returning the highest qualified index. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + */ + function baseSortedIndex(array, value, retHighest) { + var low = 0, + high = array == null ? low : array.length; + + if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) { + while (low < high) { + var mid = (low + high) >>> 1, + computed = array[mid]; + + if (computed !== null && !isSymbol(computed) && + (retHighest ? (computed <= value) : (computed < value))) { + low = mid + 1; + } else { + high = mid; + } + } + return high; + } + return baseSortedIndexBy(array, value, identity, retHighest); + } + + /** + * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy` + * which invokes `iteratee` for `value` and each element of `array` to compute + * their sort ranking. The iteratee is invoked with one argument; (value). + * + * @private + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {Function} iteratee The iteratee invoked per element. + * @param {boolean} [retHighest] Specify returning the highest qualified index. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + */ + function baseSortedIndexBy(array, value, iteratee, retHighest) { + var low = 0, + high = array == null ? 0 : array.length; + if (high === 0) { + return 0; + } + + value = iteratee(value); + var valIsNaN = value !== value, + valIsNull = value === null, + valIsSymbol = isSymbol(value), + valIsUndefined = value === undefined$1; + + while (low < high) { + var mid = nativeFloor((low + high) / 2), + computed = iteratee(array[mid]), + othIsDefined = computed !== undefined$1, + othIsNull = computed === null, + othIsReflexive = computed === computed, + othIsSymbol = isSymbol(computed); + + if (valIsNaN) { + var setLow = retHighest || othIsReflexive; + } else if (valIsUndefined) { + setLow = othIsReflexive && (retHighest || othIsDefined); + } else if (valIsNull) { + setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull); + } else if (valIsSymbol) { + setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol); + } else if (othIsNull || othIsSymbol) { + setLow = false; + } else { + setLow = retHighest ? (computed <= value) : (computed < value); + } + if (setLow) { + low = mid + 1; + } else { + high = mid; + } + } + return nativeMin(high, MAX_ARRAY_INDEX); + } + + /** + * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without + * support for iteratee shorthands. + * + * @private + * @param {Array} array The array to inspect. + * @param {Function} [iteratee] The iteratee invoked per element. + * @returns {Array} Returns the new duplicate free array. + */ + function baseSortedUniq(array, iteratee) { + var index = -1, + length = array.length, + resIndex = 0, + result = []; + + while (++index < length) { + var value = array[index], + computed = iteratee ? iteratee(value) : value; + + if (!index || !eq(computed, seen)) { + var seen = computed; + result[resIndex++] = value === 0 ? 0 : value; + } + } + return result; + } + + /** + * The base implementation of `_.toNumber` which doesn't ensure correct + * conversions of binary, hexadecimal, or octal string values. + * + * @private + * @param {*} value The value to process. + * @returns {number} Returns the number. + */ + function baseToNumber(value) { + if (typeof value == 'number') { + return value; + } + if (isSymbol(value)) { + return NAN; + } + return +value; + } + + /** + * The base implementation of `_.toString` which doesn't convert nullish + * values to empty strings. + * + * @private + * @param {*} value The value to process. + * @returns {string} Returns the string. + */ + function baseToString(value) { + // Exit early for strings to avoid a performance hit in some environments. + if (typeof value == 'string') { + return value; + } + if (isArray(value)) { + // Recursively convert values (susceptible to call stack limits). + return arrayMap(value, baseToString) + ''; + } + if (isSymbol(value)) { + return symbolToString ? symbolToString.call(value) : ''; + } + var result = (value + ''); + return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; + } + + /** + * The base implementation of `_.uniqBy` without support for iteratee shorthands. + * + * @private + * @param {Array} array The array to inspect. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new duplicate free array. + */ + function baseUniq(array, iteratee, comparator) { + var index = -1, + includes = arrayIncludes, + length = array.length, + isCommon = true, + result = [], + seen = result; + + if (comparator) { + isCommon = false; + includes = arrayIncludesWith; + } + else if (length >= LARGE_ARRAY_SIZE) { + var set = iteratee ? null : createSet(array); + if (set) { + return setToArray(set); + } + isCommon = false; + includes = cacheHas; + seen = new SetCache; + } + else { + seen = iteratee ? [] : result; + } + outer: + while (++index < length) { + var value = array[index], + computed = iteratee ? iteratee(value) : value; + + value = (comparator || value !== 0) ? value : 0; + if (isCommon && computed === computed) { + var seenIndex = seen.length; + while (seenIndex--) { + if (seen[seenIndex] === computed) { + continue outer; + } + } + if (iteratee) { + seen.push(computed); + } + result.push(value); + } + else if (!includes(seen, computed, comparator)) { + if (seen !== result) { + seen.push(computed); + } + result.push(value); + } + } + return result; + } + + /** + * The base implementation of `_.unset`. + * + * @private + * @param {Object} object The object to modify. + * @param {Array|string} path The property path to unset. + * @returns {boolean} Returns `true` if the property is deleted, else `false`. + */ + function baseUnset(object, path) { + path = castPath(path, object); + object = parent(object, path); + return object == null || delete object[toKey(last(path))]; + } + + /** + * The base implementation of `_.update`. + * + * @private + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to update. + * @param {Function} updater The function to produce the updated value. + * @param {Function} [customizer] The function to customize path creation. + * @returns {Object} Returns `object`. + */ + function baseUpdate(object, path, updater, customizer) { + return baseSet(object, path, updater(baseGet(object, path)), customizer); + } + + /** + * The base implementation of methods like `_.dropWhile` and `_.takeWhile` + * without support for iteratee shorthands. + * + * @private + * @param {Array} array The array to query. + * @param {Function} predicate The function invoked per iteration. + * @param {boolean} [isDrop] Specify dropping elements instead of taking them. + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Array} Returns the slice of `array`. + */ + function baseWhile(array, predicate, isDrop, fromRight) { + var length = array.length, + index = fromRight ? length : -1; + + while ((fromRight ? index-- : ++index < length) && + predicate(array[index], index, array)) {} + + return isDrop + ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length)) + : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index)); + } + + /** + * The base implementation of `wrapperValue` which returns the result of + * performing a sequence of actions on the unwrapped `value`, where each + * successive action is supplied the return value of the previous. + * + * @private + * @param {*} value The unwrapped value. + * @param {Array} actions Actions to perform to resolve the unwrapped value. + * @returns {*} Returns the resolved value. + */ + function baseWrapperValue(value, actions) { + var result = value; + if (result instanceof LazyWrapper) { + result = result.value(); + } + return arrayReduce(actions, function(result, action) { + return action.func.apply(action.thisArg, arrayPush([result], action.args)); + }, result); + } + + /** + * The base implementation of methods like `_.xor`, without support for + * iteratee shorthands, that accepts an array of arrays to inspect. + * + * @private + * @param {Array} arrays The arrays to inspect. + * @param {Function} [iteratee] The iteratee invoked per element. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of values. + */ + function baseXor(arrays, iteratee, comparator) { + var length = arrays.length; + if (length < 2) { + return length ? baseUniq(arrays[0]) : []; + } + var index = -1, + result = Array(length); + + while (++index < length) { + var array = arrays[index], + othIndex = -1; + + while (++othIndex < length) { + if (othIndex != index) { + result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator); + } + } + } + return baseUniq(baseFlatten(result, 1), iteratee, comparator); + } + + /** + * This base implementation of `_.zipObject` which assigns values using `assignFunc`. + * + * @private + * @param {Array} props The property identifiers. + * @param {Array} values The property values. + * @param {Function} assignFunc The function to assign values. + * @returns {Object} Returns the new object. + */ + function baseZipObject(props, values, assignFunc) { + var index = -1, + length = props.length, + valsLength = values.length, + result = {}; + + while (++index < length) { + var value = index < valsLength ? values[index] : undefined$1; + assignFunc(result, props[index], value); + } + return result; + } + + /** + * Casts `value` to an empty array if it's not an array like object. + * + * @private + * @param {*} value The value to inspect. + * @returns {Array|Object} Returns the cast array-like object. + */ + function castArrayLikeObject(value) { + return isArrayLikeObject(value) ? value : []; + } + + /** + * Casts `value` to `identity` if it's not a function. + * + * @private + * @param {*} value The value to inspect. + * @returns {Function} Returns cast function. + */ + function castFunction(value) { + return typeof value == 'function' ? value : identity; + } + + /** + * Casts `value` to a path array if it's not one. + * + * @private + * @param {*} value The value to inspect. + * @param {Object} [object] The object to query keys on. + * @returns {Array} Returns the cast property path array. + */ + function castPath(value, object) { + if (isArray(value)) { + return value; + } + return isKey(value, object) ? [value] : stringToPath(toString(value)); + } + + /** + * A `baseRest` alias which can be replaced with `identity` by module + * replacement plugins. + * + * @private + * @type {Function} + * @param {Function} func The function to apply a rest parameter to. + * @returns {Function} Returns the new function. + */ + var castRest = baseRest; + + /** + * Casts `array` to a slice if it's needed. + * + * @private + * @param {Array} array The array to inspect. + * @param {number} start The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns the cast slice. + */ + function castSlice(array, start, end) { + var length = array.length; + end = end === undefined$1 ? length : end; + return (!start && end >= length) ? array : baseSlice(array, start, end); + } + + /** + * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout). + * + * @private + * @param {number|Object} id The timer id or timeout object of the timer to clear. + */ + var clearTimeout = ctxClearTimeout || function(id) { + return root.clearTimeout(id); + }; + + /** + * Creates a clone of `buffer`. + * + * @private + * @param {Buffer} buffer The buffer to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Buffer} Returns the cloned buffer. + */ + function cloneBuffer(buffer, isDeep) { + if (isDeep) { + return buffer.slice(); + } + var length = buffer.length, + result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length); + + buffer.copy(result); + return result; + } + + /** + * Creates a clone of `arrayBuffer`. + * + * @private + * @param {ArrayBuffer} arrayBuffer The array buffer to clone. + * @returns {ArrayBuffer} Returns the cloned array buffer. + */ + function cloneArrayBuffer(arrayBuffer) { + var result = new arrayBuffer.constructor(arrayBuffer.byteLength); + new Uint8Array(result).set(new Uint8Array(arrayBuffer)); + return result; + } + + /** + * Creates a clone of `dataView`. + * + * @private + * @param {Object} dataView The data view to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Object} Returns the cloned data view. + */ + function cloneDataView(dataView, isDeep) { + var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer; + return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength); + } + + /** + * Creates a clone of `regexp`. + * + * @private + * @param {Object} regexp The regexp to clone. + * @returns {Object} Returns the cloned regexp. + */ + function cloneRegExp(regexp) { + var result = new regexp.constructor(regexp.source, reFlags.exec(regexp)); + result.lastIndex = regexp.lastIndex; + return result; + } + + /** + * Creates a clone of the `symbol` object. + * + * @private + * @param {Object} symbol The symbol object to clone. + * @returns {Object} Returns the cloned symbol object. + */ + function cloneSymbol(symbol) { + return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {}; + } + + /** + * Creates a clone of `typedArray`. + * + * @private + * @param {Object} typedArray The typed array to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Object} Returns the cloned typed array. + */ + function cloneTypedArray(typedArray, isDeep) { + var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer; + return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length); + } + + /** + * Compares values to sort them in ascending order. + * + * @private + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {number} Returns the sort order indicator for `value`. + */ + function compareAscending(value, other) { + if (value !== other) { + var valIsDefined = value !== undefined$1, + valIsNull = value === null, + valIsReflexive = value === value, + valIsSymbol = isSymbol(value); + + var othIsDefined = other !== undefined$1, + othIsNull = other === null, + othIsReflexive = other === other, + othIsSymbol = isSymbol(other); + + if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) || + (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) || + (valIsNull && othIsDefined && othIsReflexive) || + (!valIsDefined && othIsReflexive) || + !valIsReflexive) { + return 1; + } + if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) || + (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) || + (othIsNull && valIsDefined && valIsReflexive) || + (!othIsDefined && valIsReflexive) || + !othIsReflexive) { + return -1; + } + } + return 0; + } + + /** + * Used by `_.orderBy` to compare multiple properties of a value to another + * and stable sort them. + * + * If `orders` is unspecified, all values are sorted in ascending order. Otherwise, + * specify an order of "desc" for descending or "asc" for ascending sort order + * of corresponding values. + * + * @private + * @param {Object} object The object to compare. + * @param {Object} other The other object to compare. + * @param {boolean[]|string[]} orders The order to sort by for each property. + * @returns {number} Returns the sort order indicator for `object`. + */ + function compareMultiple(object, other, orders) { + var index = -1, + objCriteria = object.criteria, + othCriteria = other.criteria, + length = objCriteria.length, + ordersLength = orders.length; + + while (++index < length) { + var result = compareAscending(objCriteria[index], othCriteria[index]); + if (result) { + if (index >= ordersLength) { + return result; + } + var order = orders[index]; + return result * (order == 'desc' ? -1 : 1); + } + } + // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications + // that causes it, under certain circumstances, to provide the same value for + // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247 + // for more details. + // + // This also ensures a stable sort in V8 and other engines. + // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details. + return object.index - other.index; + } + + /** + * Creates an array that is the composition of partially applied arguments, + * placeholders, and provided arguments into a single array of arguments. + * + * @private + * @param {Array} args The provided arguments. + * @param {Array} partials The arguments to prepend to those provided. + * @param {Array} holders The `partials` placeholder indexes. + * @params {boolean} [isCurried] Specify composing for a curried function. + * @returns {Array} Returns the new array of composed arguments. + */ + function composeArgs(args, partials, holders, isCurried) { + var argsIndex = -1, + argsLength = args.length, + holdersLength = holders.length, + leftIndex = -1, + leftLength = partials.length, + rangeLength = nativeMax(argsLength - holdersLength, 0), + result = Array(leftLength + rangeLength), + isUncurried = !isCurried; + + while (++leftIndex < leftLength) { + result[leftIndex] = partials[leftIndex]; + } + while (++argsIndex < holdersLength) { + if (isUncurried || argsIndex < argsLength) { + result[holders[argsIndex]] = args[argsIndex]; + } + } + while (rangeLength--) { + result[leftIndex++] = args[argsIndex++]; + } + return result; + } + + /** + * This function is like `composeArgs` except that the arguments composition + * is tailored for `_.partialRight`. + * + * @private + * @param {Array} args The provided arguments. + * @param {Array} partials The arguments to append to those provided. + * @param {Array} holders The `partials` placeholder indexes. + * @params {boolean} [isCurried] Specify composing for a curried function. + * @returns {Array} Returns the new array of composed arguments. + */ + function composeArgsRight(args, partials, holders, isCurried) { + var argsIndex = -1, + argsLength = args.length, + holdersIndex = -1, + holdersLength = holders.length, + rightIndex = -1, + rightLength = partials.length, + rangeLength = nativeMax(argsLength - holdersLength, 0), + result = Array(rangeLength + rightLength), + isUncurried = !isCurried; + + while (++argsIndex < rangeLength) { + result[argsIndex] = args[argsIndex]; + } + var offset = argsIndex; + while (++rightIndex < rightLength) { + result[offset + rightIndex] = partials[rightIndex]; + } + while (++holdersIndex < holdersLength) { + if (isUncurried || argsIndex < argsLength) { + result[offset + holders[holdersIndex]] = args[argsIndex++]; + } + } + return result; + } + + /** + * Copies the values of `source` to `array`. + * + * @private + * @param {Array} source The array to copy values from. + * @param {Array} [array=[]] The array to copy values to. + * @returns {Array} Returns `array`. + */ + function copyArray(source, array) { + var index = -1, + length = source.length; + + array || (array = Array(length)); + while (++index < length) { + array[index] = source[index]; + } + return array; + } + + /** + * Copies properties of `source` to `object`. + * + * @private + * @param {Object} source The object to copy properties from. + * @param {Array} props The property identifiers to copy. + * @param {Object} [object={}] The object to copy properties to. + * @param {Function} [customizer] The function to customize copied values. + * @returns {Object} Returns `object`. + */ + function copyObject(source, props, object, customizer) { + var isNew = !object; + object || (object = {}); + + var index = -1, + length = props.length; + + while (++index < length) { + var key = props[index]; + + var newValue = customizer + ? customizer(object[key], source[key], key, object, source) + : undefined$1; + + if (newValue === undefined$1) { + newValue = source[key]; + } + if (isNew) { + baseAssignValue(object, key, newValue); + } else { + assignValue(object, key, newValue); + } + } + return object; + } + + /** + * Copies own symbols of `source` to `object`. + * + * @private + * @param {Object} source The object to copy symbols from. + * @param {Object} [object={}] The object to copy symbols to. + * @returns {Object} Returns `object`. + */ + function copySymbols(source, object) { + return copyObject(source, getSymbols(source), object); + } + + /** + * Copies own and inherited symbols of `source` to `object`. + * + * @private + * @param {Object} source The object to copy symbols from. + * @param {Object} [object={}] The object to copy symbols to. + * @returns {Object} Returns `object`. + */ + function copySymbolsIn(source, object) { + return copyObject(source, getSymbolsIn(source), object); + } + + /** + * Creates a function like `_.groupBy`. + * + * @private + * @param {Function} setter The function to set accumulator values. + * @param {Function} [initializer] The accumulator object initializer. + * @returns {Function} Returns the new aggregator function. + */ + function createAggregator(setter, initializer) { + return function(collection, iteratee) { + var func = isArray(collection) ? arrayAggregator : baseAggregator, + accumulator = initializer ? initializer() : {}; + + return func(collection, setter, getIteratee(iteratee, 2), accumulator); + }; + } + + /** + * Creates a function like `_.assign`. + * + * @private + * @param {Function} assigner The function to assign values. + * @returns {Function} Returns the new assigner function. + */ + function createAssigner(assigner) { + return baseRest(function(object, sources) { + var index = -1, + length = sources.length, + customizer = length > 1 ? sources[length - 1] : undefined$1, + guard = length > 2 ? sources[2] : undefined$1; + + customizer = (assigner.length > 3 && typeof customizer == 'function') + ? (length--, customizer) + : undefined$1; + + if (guard && isIterateeCall(sources[0], sources[1], guard)) { + customizer = length < 3 ? undefined$1 : customizer; + length = 1; + } + object = Object(object); + while (++index < length) { + var source = sources[index]; + if (source) { + assigner(object, source, index, customizer); + } + } + return object; + }); + } + + /** + * Creates a `baseEach` or `baseEachRight` function. + * + * @private + * @param {Function} eachFunc The function to iterate over a collection. + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new base function. + */ + function createBaseEach(eachFunc, fromRight) { + return function(collection, iteratee) { + if (collection == null) { + return collection; + } + if (!isArrayLike(collection)) { + return eachFunc(collection, iteratee); + } + var length = collection.length, + index = fromRight ? length : -1, + iterable = Object(collection); + + while ((fromRight ? index-- : ++index < length)) { + if (iteratee(iterable[index], index, iterable) === false) { + break; + } + } + return collection; + }; + } + + /** + * Creates a base function for methods like `_.forIn` and `_.forOwn`. + * + * @private + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new base function. + */ + function createBaseFor(fromRight) { + return function(object, iteratee, keysFunc) { + var index = -1, + iterable = Object(object), + props = keysFunc(object), + length = props.length; + + while (length--) { + var key = props[fromRight ? length : ++index]; + if (iteratee(iterable[key], key, iterable) === false) { + break; + } + } + return object; + }; + } + + /** + * Creates a function that wraps `func` to invoke it with the optional `this` + * binding of `thisArg`. + * + * @private + * @param {Function} func The function to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {*} [thisArg] The `this` binding of `func`. + * @returns {Function} Returns the new wrapped function. + */ + function createBind(func, bitmask, thisArg) { + var isBind = bitmask & WRAP_BIND_FLAG, + Ctor = createCtor(func); + + function wrapper() { + var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; + return fn.apply(isBind ? thisArg : this, arguments); + } + return wrapper; + } + + /** + * Creates a function like `_.lowerFirst`. + * + * @private + * @param {string} methodName The name of the `String` case method to use. + * @returns {Function} Returns the new case function. + */ + function createCaseFirst(methodName) { + return function(string) { + string = toString(string); + + var strSymbols = hasUnicode(string) + ? stringToArray(string) + : undefined$1; + + var chr = strSymbols + ? strSymbols[0] + : string.charAt(0); + + var trailing = strSymbols + ? castSlice(strSymbols, 1).join('') + : string.slice(1); + + return chr[methodName]() + trailing; + }; + } + + /** + * Creates a function like `_.camelCase`. + * + * @private + * @param {Function} callback The function to combine each word. + * @returns {Function} Returns the new compounder function. + */ + function createCompounder(callback) { + return function(string) { + return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); + }; + } + + /** + * Creates a function that produces an instance of `Ctor` regardless of + * whether it was invoked as part of a `new` expression or by `call` or `apply`. + * + * @private + * @param {Function} Ctor The constructor to wrap. + * @returns {Function} Returns the new wrapped function. + */ + function createCtor(Ctor) { + return function() { + // Use a `switch` statement to work with class constructors. See + // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist + // for more details. + var args = arguments; + switch (args.length) { + case 0: return new Ctor; + case 1: return new Ctor(args[0]); + case 2: return new Ctor(args[0], args[1]); + case 3: return new Ctor(args[0], args[1], args[2]); + case 4: return new Ctor(args[0], args[1], args[2], args[3]); + case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]); + case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]); + case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]); + } + var thisBinding = baseCreate(Ctor.prototype), + result = Ctor.apply(thisBinding, args); + + // Mimic the constructor's `return` behavior. + // See https://es5.github.io/#x13.2.2 for more details. + return isObject(result) ? result : thisBinding; + }; + } + + /** + * Creates a function that wraps `func` to enable currying. + * + * @private + * @param {Function} func The function to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {number} arity The arity of `func`. + * @returns {Function} Returns the new wrapped function. + */ + function createCurry(func, bitmask, arity) { + var Ctor = createCtor(func); + + function wrapper() { + var length = arguments.length, + args = Array(length), + index = length, + placeholder = getHolder(wrapper); + + while (index--) { + args[index] = arguments[index]; + } + var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder) + ? [] + : replaceHolders(args, placeholder); + + length -= holders.length; + if (length < arity) { + return createRecurry( + func, bitmask, createHybrid, wrapper.placeholder, undefined$1, + args, holders, undefined$1, undefined$1, arity - length); + } + var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; + return apply(fn, this, args); + } + return wrapper; + } + + /** + * Creates a `_.find` or `_.findLast` function. + * + * @private + * @param {Function} findIndexFunc The function to find the collection index. + * @returns {Function} Returns the new find function. + */ + function createFind(findIndexFunc) { + return function(collection, predicate, fromIndex) { + var iterable = Object(collection); + if (!isArrayLike(collection)) { + var iteratee = getIteratee(predicate, 3); + collection = keys(collection); + predicate = function(key) { return iteratee(iterable[key], key, iterable); }; + } + var index = findIndexFunc(collection, predicate, fromIndex); + return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined$1; + }; + } + + /** + * Creates a `_.flow` or `_.flowRight` function. + * + * @private + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new flow function. + */ + function createFlow(fromRight) { + return flatRest(function(funcs) { + var length = funcs.length, + index = length, + prereq = LodashWrapper.prototype.thru; + + if (fromRight) { + funcs.reverse(); + } + while (index--) { + var func = funcs[index]; + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + if (prereq && !wrapper && getFuncName(func) == 'wrapper') { + var wrapper = new LodashWrapper([], true); + } + } + index = wrapper ? index : length; + while (++index < length) { + func = funcs[index]; + + var funcName = getFuncName(func), + data = funcName == 'wrapper' ? getData(func) : undefined$1; + + if (data && isLaziable(data[0]) && + data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) && + !data[4].length && data[9] == 1 + ) { + wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); + } else { + wrapper = (func.length == 1 && isLaziable(func)) + ? wrapper[funcName]() + : wrapper.thru(func); + } + } + return function() { + var args = arguments, + value = args[0]; + + if (wrapper && args.length == 1 && isArray(value)) { + return wrapper.plant(value).value(); + } + var index = 0, + result = length ? funcs[index].apply(this, args) : value; + + while (++index < length) { + result = funcs[index].call(this, result); + } + return result; + }; + }); + } + + /** + * Creates a function that wraps `func` to invoke it with optional `this` + * binding of `thisArg`, partial application, and currying. + * + * @private + * @param {Function|string} func The function or method name to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {*} [thisArg] The `this` binding of `func`. + * @param {Array} [partials] The arguments to prepend to those provided to + * the new function. + * @param {Array} [holders] The `partials` placeholder indexes. + * @param {Array} [partialsRight] The arguments to append to those provided + * to the new function. + * @param {Array} [holdersRight] The `partialsRight` placeholder indexes. + * @param {Array} [argPos] The argument positions of the new function. + * @param {number} [ary] The arity cap of `func`. + * @param {number} [arity] The arity of `func`. + * @returns {Function} Returns the new wrapped function. + */ + function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) { + var isAry = bitmask & WRAP_ARY_FLAG, + isBind = bitmask & WRAP_BIND_FLAG, + isBindKey = bitmask & WRAP_BIND_KEY_FLAG, + isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG), + isFlip = bitmask & WRAP_FLIP_FLAG, + Ctor = isBindKey ? undefined$1 : createCtor(func); + + function wrapper() { + var length = arguments.length, + args = Array(length), + index = length; + + while (index--) { + args[index] = arguments[index]; + } + if (isCurried) { + var placeholder = getHolder(wrapper), + holdersCount = countHolders(args, placeholder); + } + if (partials) { + args = composeArgs(args, partials, holders, isCurried); + } + if (partialsRight) { + args = composeArgsRight(args, partialsRight, holdersRight, isCurried); + } + length -= holdersCount; + if (isCurried && length < arity) { + var newHolders = replaceHolders(args, placeholder); + return createRecurry( + func, bitmask, createHybrid, wrapper.placeholder, thisArg, + args, newHolders, argPos, ary, arity - length + ); + } + var thisBinding = isBind ? thisArg : this, + fn = isBindKey ? thisBinding[func] : func; + + length = args.length; + if (argPos) { + args = reorder(args, argPos); + } else if (isFlip && length > 1) { + args.reverse(); + } + if (isAry && ary < length) { + args.length = ary; + } + if (this && this !== root && this instanceof wrapper) { + fn = Ctor || createCtor(fn); + } + return fn.apply(thisBinding, args); + } + return wrapper; + } + + /** + * Creates a function like `_.invertBy`. + * + * @private + * @param {Function} setter The function to set accumulator values. + * @param {Function} toIteratee The function to resolve iteratees. + * @returns {Function} Returns the new inverter function. + */ + function createInverter(setter, toIteratee) { + return function(object, iteratee) { + return baseInverter(object, setter, toIteratee(iteratee), {}); + }; + } + + /** + * Creates a function that performs a mathematical operation on two values. + * + * @private + * @param {Function} operator The function to perform the operation. + * @param {number} [defaultValue] The value used for `undefined` arguments. + * @returns {Function} Returns the new mathematical operation function. + */ + function createMathOperation(operator, defaultValue) { + return function(value, other) { + var result; + if (value === undefined$1 && other === undefined$1) { + return defaultValue; + } + if (value !== undefined$1) { + result = value; + } + if (other !== undefined$1) { + if (result === undefined$1) { + return other; + } + if (typeof value == 'string' || typeof other == 'string') { + value = baseToString(value); + other = baseToString(other); + } else { + value = baseToNumber(value); + other = baseToNumber(other); + } + result = operator(value, other); + } + return result; + }; + } + + /** + * Creates a function like `_.over`. + * + * @private + * @param {Function} arrayFunc The function to iterate over iteratees. + * @returns {Function} Returns the new over function. + */ + function createOver(arrayFunc) { + return flatRest(function(iteratees) { + iteratees = arrayMap(iteratees, baseUnary(getIteratee())); + return baseRest(function(args) { + var thisArg = this; + return arrayFunc(iteratees, function(iteratee) { + return apply(iteratee, thisArg, args); + }); + }); + }); + } + + /** + * Creates the padding for `string` based on `length`. The `chars` string + * is truncated if the number of characters exceeds `length`. + * + * @private + * @param {number} length The padding length. + * @param {string} [chars=' '] The string used as padding. + * @returns {string} Returns the padding for `string`. + */ + function createPadding(length, chars) { + chars = chars === undefined$1 ? ' ' : baseToString(chars); + + var charsLength = chars.length; + if (charsLength < 2) { + return charsLength ? baseRepeat(chars, length) : chars; + } + var result = baseRepeat(chars, nativeCeil(length / stringSize(chars))); + return hasUnicode(chars) + ? castSlice(stringToArray(result), 0, length).join('') + : result.slice(0, length); + } + + /** + * Creates a function that wraps `func` to invoke it with the `this` binding + * of `thisArg` and `partials` prepended to the arguments it receives. + * + * @private + * @param {Function} func The function to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {*} thisArg The `this` binding of `func`. + * @param {Array} partials The arguments to prepend to those provided to + * the new function. + * @returns {Function} Returns the new wrapped function. + */ + function createPartial(func, bitmask, thisArg, partials) { + var isBind = bitmask & WRAP_BIND_FLAG, + Ctor = createCtor(func); + + function wrapper() { + var argsIndex = -1, + argsLength = arguments.length, + leftIndex = -1, + leftLength = partials.length, + args = Array(leftLength + argsLength), + fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; + + while (++leftIndex < leftLength) { + args[leftIndex] = partials[leftIndex]; + } + while (argsLength--) { + args[leftIndex++] = arguments[++argsIndex]; + } + return apply(fn, isBind ? thisArg : this, args); + } + return wrapper; + } + + /** + * Creates a `_.range` or `_.rangeRight` function. + * + * @private + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new range function. + */ + function createRange(fromRight) { + return function(start, end, step) { + if (step && typeof step != 'number' && isIterateeCall(start, end, step)) { + end = step = undefined$1; + } + // Ensure the sign of `-0` is preserved. + start = toFinite(start); + if (end === undefined$1) { + end = start; + start = 0; + } else { + end = toFinite(end); + } + step = step === undefined$1 ? (start < end ? 1 : -1) : toFinite(step); + return baseRange(start, end, step, fromRight); + }; + } + + /** + * Creates a function that performs a relational operation on two values. + * + * @private + * @param {Function} operator The function to perform the operation. + * @returns {Function} Returns the new relational operation function. + */ + function createRelationalOperation(operator) { + return function(value, other) { + if (!(typeof value == 'string' && typeof other == 'string')) { + value = toNumber(value); + other = toNumber(other); + } + return operator(value, other); + }; + } + + /** + * Creates a function that wraps `func` to continue currying. + * + * @private + * @param {Function} func The function to wrap. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @param {Function} wrapFunc The function to create the `func` wrapper. + * @param {*} placeholder The placeholder value. + * @param {*} [thisArg] The `this` binding of `func`. + * @param {Array} [partials] The arguments to prepend to those provided to + * the new function. + * @param {Array} [holders] The `partials` placeholder indexes. + * @param {Array} [argPos] The argument positions of the new function. + * @param {number} [ary] The arity cap of `func`. + * @param {number} [arity] The arity of `func`. + * @returns {Function} Returns the new wrapped function. + */ + function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) { + var isCurry = bitmask & WRAP_CURRY_FLAG, + newHolders = isCurry ? holders : undefined$1, + newHoldersRight = isCurry ? undefined$1 : holders, + newPartials = isCurry ? partials : undefined$1, + newPartialsRight = isCurry ? undefined$1 : partials; + + bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG); + bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG); + + if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) { + bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG); + } + var newData = [ + func, bitmask, thisArg, newPartials, newHolders, newPartialsRight, + newHoldersRight, argPos, ary, arity + ]; + + var result = wrapFunc.apply(undefined$1, newData); + if (isLaziable(func)) { + setData(result, newData); + } + result.placeholder = placeholder; + return setWrapToString(result, func, bitmask); + } + + /** + * Creates a function like `_.round`. + * + * @private + * @param {string} methodName The name of the `Math` method to use when rounding. + * @returns {Function} Returns the new round function. + */ + function createRound(methodName) { + var func = Math[methodName]; + return function(number, precision) { + number = toNumber(number); + precision = precision == null ? 0 : nativeMin(toInteger(precision), 292); + if (precision && nativeIsFinite(number)) { + // Shift with exponential notation to avoid floating-point issues. + // See [MDN](https://mdn.io/round#Examples) for more details. + var pair = (toString(number) + 'e').split('e'), + value = func(pair[0] + 'e' + (+pair[1] + precision)); + + pair = (toString(value) + 'e').split('e'); + return +(pair[0] + 'e' + (+pair[1] - precision)); + } + return func(number); + }; + } + + /** + * Creates a set object of `values`. + * + * @private + * @param {Array} values The values to add to the set. + * @returns {Object} Returns the new set. + */ + var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) { + return new Set(values); + }; + + /** + * Creates a `_.toPairs` or `_.toPairsIn` function. + * + * @private + * @param {Function} keysFunc The function to get the keys of a given object. + * @returns {Function} Returns the new pairs function. + */ + function createToPairs(keysFunc) { + return function(object) { + var tag = getTag(object); + if (tag == mapTag) { + return mapToArray(object); + } + if (tag == setTag) { + return setToPairs(object); + } + return baseToPairs(object, keysFunc(object)); + }; + } + + /** + * Creates a function that either curries or invokes `func` with optional + * `this` binding and partially applied arguments. + * + * @private + * @param {Function|string} func The function or method name to wrap. + * @param {number} bitmask The bitmask flags. + * 1 - `_.bind` + * 2 - `_.bindKey` + * 4 - `_.curry` or `_.curryRight` of a bound function + * 8 - `_.curry` + * 16 - `_.curryRight` + * 32 - `_.partial` + * 64 - `_.partialRight` + * 128 - `_.rearg` + * 256 - `_.ary` + * 512 - `_.flip` + * @param {*} [thisArg] The `this` binding of `func`. + * @param {Array} [partials] The arguments to be partially applied. + * @param {Array} [holders] The `partials` placeholder indexes. + * @param {Array} [argPos] The argument positions of the new function. + * @param {number} [ary] The arity cap of `func`. + * @param {number} [arity] The arity of `func`. + * @returns {Function} Returns the new wrapped function. + */ + function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) { + var isBindKey = bitmask & WRAP_BIND_KEY_FLAG; + if (!isBindKey && typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + var length = partials ? partials.length : 0; + if (!length) { + bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG); + partials = holders = undefined$1; + } + ary = ary === undefined$1 ? ary : nativeMax(toInteger(ary), 0); + arity = arity === undefined$1 ? arity : toInteger(arity); + length -= holders ? holders.length : 0; + + if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) { + var partialsRight = partials, + holdersRight = holders; + + partials = holders = undefined$1; + } + var data = isBindKey ? undefined$1 : getData(func); + + var newData = [ + func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, + argPos, ary, arity + ]; + + if (data) { + mergeData(newData, data); + } + func = newData[0]; + bitmask = newData[1]; + thisArg = newData[2]; + partials = newData[3]; + holders = newData[4]; + arity = newData[9] = newData[9] === undefined$1 + ? (isBindKey ? 0 : func.length) + : nativeMax(newData[9] - length, 0); + + if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) { + bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG); + } + if (!bitmask || bitmask == WRAP_BIND_FLAG) { + var result = createBind(func, bitmask, thisArg); + } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) { + result = createCurry(func, bitmask, arity); + } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) { + result = createPartial(func, bitmask, thisArg, partials); + } else { + result = createHybrid.apply(undefined$1, newData); + } + var setter = data ? baseSetData : setData; + return setWrapToString(setter(result, newData), func, bitmask); + } + + /** + * Used by `_.defaults` to customize its `_.assignIn` use to assign properties + * of source objects to the destination object for all destination properties + * that resolve to `undefined`. + * + * @private + * @param {*} objValue The destination value. + * @param {*} srcValue The source value. + * @param {string} key The key of the property to assign. + * @param {Object} object The parent object of `objValue`. + * @returns {*} Returns the value to assign. + */ + function customDefaultsAssignIn(objValue, srcValue, key, object) { + if (objValue === undefined$1 || + (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) { + return srcValue; + } + return objValue; + } + + /** + * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source + * objects into destination objects that are passed thru. + * + * @private + * @param {*} objValue The destination value. + * @param {*} srcValue The source value. + * @param {string} key The key of the property to merge. + * @param {Object} object The parent object of `objValue`. + * @param {Object} source The parent object of `srcValue`. + * @param {Object} [stack] Tracks traversed source values and their merged + * counterparts. + * @returns {*} Returns the value to assign. + */ + function customDefaultsMerge(objValue, srcValue, key, object, source, stack) { + if (isObject(objValue) && isObject(srcValue)) { + // Recursively merge objects and arrays (susceptible to call stack limits). + stack.set(srcValue, objValue); + baseMerge(objValue, srcValue, undefined$1, customDefaultsMerge, stack); + stack['delete'](srcValue); + } + return objValue; + } + + /** + * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain + * objects. + * + * @private + * @param {*} value The value to inspect. + * @param {string} key The key of the property to inspect. + * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`. + */ + function customOmitClone(value) { + return isPlainObject(value) ? undefined$1 : value; + } + + /** + * A specialized version of `baseIsEqualDeep` for arrays with support for + * partial deep comparisons. + * + * @private + * @param {Array} array The array to compare. + * @param {Array} other The other array to compare. + * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. + * @param {Function} customizer The function to customize comparisons. + * @param {Function} equalFunc The function to determine equivalents of values. + * @param {Object} stack Tracks traversed `array` and `other` objects. + * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`. + */ + function equalArrays(array, other, bitmask, customizer, equalFunc, stack) { + var isPartial = bitmask & COMPARE_PARTIAL_FLAG, + arrLength = array.length, + othLength = other.length; + + if (arrLength != othLength && !(isPartial && othLength > arrLength)) { + return false; + } + // Check that cyclic values are equal. + var arrStacked = stack.get(array); + var othStacked = stack.get(other); + if (arrStacked && othStacked) { + return arrStacked == other && othStacked == array; + } + var index = -1, + result = true, + seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined$1; + + stack.set(array, other); + stack.set(other, array); + + // Ignore non-index properties. + while (++index < arrLength) { + var arrValue = array[index], + othValue = other[index]; + + if (customizer) { + var compared = isPartial + ? customizer(othValue, arrValue, index, other, array, stack) + : customizer(arrValue, othValue, index, array, other, stack); + } + if (compared !== undefined$1) { + if (compared) { + continue; + } + result = false; + break; + } + // Recursively compare arrays (susceptible to call stack limits). + if (seen) { + if (!arraySome(other, function(othValue, othIndex) { + if (!cacheHas(seen, othIndex) && + (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) { + return seen.push(othIndex); + } + })) { + result = false; + break; + } + } else if (!( + arrValue === othValue || + equalFunc(arrValue, othValue, bitmask, customizer, stack) + )) { + result = false; + break; + } + } + stack['delete'](array); + stack['delete'](other); + return result; + } + + /** + * A specialized version of `baseIsEqualDeep` for comparing objects of + * the same `toStringTag`. + * + * **Note:** This function only supports comparing values with tags of + * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. + * + * @private + * @param {Object} object The object to compare. + * @param {Object} other The other object to compare. + * @param {string} tag The `toStringTag` of the objects to compare. + * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. + * @param {Function} customizer The function to customize comparisons. + * @param {Function} equalFunc The function to determine equivalents of values. + * @param {Object} stack Tracks traversed `object` and `other` objects. + * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. + */ + function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) { + switch (tag) { + case dataViewTag: + if ((object.byteLength != other.byteLength) || + (object.byteOffset != other.byteOffset)) { + return false; + } + object = object.buffer; + other = other.buffer; + + case arrayBufferTag: + if ((object.byteLength != other.byteLength) || + !equalFunc(new Uint8Array(object), new Uint8Array(other))) { + return false; + } + return true; + + case boolTag: + case dateTag: + case numberTag: + // Coerce booleans to `1` or `0` and dates to milliseconds. + // Invalid dates are coerced to `NaN`. + return eq(+object, +other); + + case errorTag: + return object.name == other.name && object.message == other.message; + + case regexpTag: + case stringTag: + // Coerce regexes to strings and treat strings, primitives and objects, + // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring + // for more details. + return object == (other + ''); + + case mapTag: + var convert = mapToArray; + + case setTag: + var isPartial = bitmask & COMPARE_PARTIAL_FLAG; + convert || (convert = setToArray); + + if (object.size != other.size && !isPartial) { + return false; + } + // Assume cyclic values are equal. + var stacked = stack.get(object); + if (stacked) { + return stacked == other; + } + bitmask |= COMPARE_UNORDERED_FLAG; + + // Recursively compare objects (susceptible to call stack limits). + stack.set(object, other); + var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack); + stack['delete'](object); + return result; + + case symbolTag: + if (symbolValueOf) { + return symbolValueOf.call(object) == symbolValueOf.call(other); + } + } + return false; + } + + /** + * A specialized version of `baseIsEqualDeep` for objects with support for + * partial deep comparisons. + * + * @private + * @param {Object} object The object to compare. + * @param {Object} other The other object to compare. + * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. + * @param {Function} customizer The function to customize comparisons. + * @param {Function} equalFunc The function to determine equivalents of values. + * @param {Object} stack Tracks traversed `object` and `other` objects. + * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. + */ + function equalObjects(object, other, bitmask, customizer, equalFunc, stack) { + var isPartial = bitmask & COMPARE_PARTIAL_FLAG, + objProps = getAllKeys(object), + objLength = objProps.length, + othProps = getAllKeys(other), + othLength = othProps.length; + + if (objLength != othLength && !isPartial) { + return false; + } + var index = objLength; + while (index--) { + var key = objProps[index]; + if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) { + return false; + } + } + // Check that cyclic values are equal. + var objStacked = stack.get(object); + var othStacked = stack.get(other); + if (objStacked && othStacked) { + return objStacked == other && othStacked == object; + } + var result = true; + stack.set(object, other); + stack.set(other, object); + + var skipCtor = isPartial; + while (++index < objLength) { + key = objProps[index]; + var objValue = object[key], + othValue = other[key]; + + if (customizer) { + var compared = isPartial + ? customizer(othValue, objValue, key, other, object, stack) + : customizer(objValue, othValue, key, object, other, stack); + } + // Recursively compare objects (susceptible to call stack limits). + if (!(compared === undefined$1 + ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack)) + : compared + )) { + result = false; + break; + } + skipCtor || (skipCtor = key == 'constructor'); + } + if (result && !skipCtor) { + var objCtor = object.constructor, + othCtor = other.constructor; + + // Non `Object` object instances with different constructors are not equal. + if (objCtor != othCtor && + ('constructor' in object && 'constructor' in other) && + !(typeof objCtor == 'function' && objCtor instanceof objCtor && + typeof othCtor == 'function' && othCtor instanceof othCtor)) { + result = false; + } + } + stack['delete'](object); + stack['delete'](other); + return result; + } + + /** + * A specialized version of `baseRest` which flattens the rest array. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @returns {Function} Returns the new function. + */ + function flatRest(func) { + return setToString(overRest(func, undefined$1, flatten), func + ''); + } + + /** + * Creates an array of own enumerable property names and symbols of `object`. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names and symbols. + */ + function getAllKeys(object) { + return baseGetAllKeys(object, keys, getSymbols); + } + + /** + * Creates an array of own and inherited enumerable property names and + * symbols of `object`. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names and symbols. + */ + function getAllKeysIn(object) { + return baseGetAllKeys(object, keysIn, getSymbolsIn); + } + + /** + * Gets metadata for `func`. + * + * @private + * @param {Function} func The function to query. + * @returns {*} Returns the metadata for `func`. + */ + var getData = !metaMap ? noop : function(func) { + return metaMap.get(func); + }; + + /** + * Gets the name of `func`. + * + * @private + * @param {Function} func The function to query. + * @returns {string} Returns the function name. + */ + function getFuncName(func) { + var result = (func.name + ''), + array = realNames[result], + length = hasOwnProperty.call(realNames, result) ? array.length : 0; + + while (length--) { + var data = array[length], + otherFunc = data.func; + if (otherFunc == null || otherFunc == func) { + return data.name; + } + } + return result; + } + + /** + * Gets the argument placeholder value for `func`. + * + * @private + * @param {Function} func The function to inspect. + * @returns {*} Returns the placeholder value. + */ + function getHolder(func) { + var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func; + return object.placeholder; + } + + /** + * Gets the appropriate "iteratee" function. If `_.iteratee` is customized, + * this function returns the custom method, otherwise it returns `baseIteratee`. + * If arguments are provided, the chosen function is invoked with them and + * its result is returned. + * + * @private + * @param {*} [value] The value to convert to an iteratee. + * @param {number} [arity] The arity of the created iteratee. + * @returns {Function} Returns the chosen function or its result. + */ + function getIteratee() { + var result = lodash.iteratee || iteratee; + result = result === iteratee ? baseIteratee : result; + return arguments.length ? result(arguments[0], arguments[1]) : result; + } + + /** + * Gets the data for `map`. + * + * @private + * @param {Object} map The map to query. + * @param {string} key The reference key. + * @returns {*} Returns the map data. + */ + function getMapData(map, key) { + var data = map.__data__; + return isKeyable(key) + ? data[typeof key == 'string' ? 'string' : 'hash'] + : data.map; + } + + /** + * Gets the property names, values, and compare flags of `object`. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the match data of `object`. + */ + function getMatchData(object) { + var result = keys(object), + length = result.length; + + while (length--) { + var key = result[length], + value = object[key]; + + result[length] = [key, value, isStrictComparable(value)]; + } + return result; + } + + /** + * Gets the native function at `key` of `object`. + * + * @private + * @param {Object} object The object to query. + * @param {string} key The key of the method to get. + * @returns {*} Returns the function if it's native, else `undefined`. + */ + function getNative(object, key) { + var value = getValue(object, key); + return baseIsNative(value) ? value : undefined$1; + } + + /** + * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values. + * + * @private + * @param {*} value The value to query. + * @returns {string} Returns the raw `toStringTag`. + */ + function getRawTag(value) { + var isOwn = hasOwnProperty.call(value, symToStringTag), + tag = value[symToStringTag]; + + try { + value[symToStringTag] = undefined$1; + var unmasked = true; + } catch (e) {} + + var result = nativeObjectToString.call(value); + if (unmasked) { + if (isOwn) { + value[symToStringTag] = tag; + } else { + delete value[symToStringTag]; + } + } + return result; + } + + /** + * Creates an array of the own enumerable symbols of `object`. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of symbols. + */ + var getSymbols = !nativeGetSymbols ? stubArray : function(object) { + if (object == null) { + return []; + } + object = Object(object); + return arrayFilter(nativeGetSymbols(object), function(symbol) { + return propertyIsEnumerable.call(object, symbol); + }); + }; + + /** + * Creates an array of the own and inherited enumerable symbols of `object`. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of symbols. + */ + var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) { + var result = []; + while (object) { + arrayPush(result, getSymbols(object)); + object = getPrototype(object); + } + return result; + }; + + /** + * Gets the `toStringTag` of `value`. + * + * @private + * @param {*} value The value to query. + * @returns {string} Returns the `toStringTag`. + */ + var getTag = baseGetTag; + + // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6. + if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) || + (Map && getTag(new Map) != mapTag) || + (Promise && getTag(Promise.resolve()) != promiseTag) || + (Set && getTag(new Set) != setTag) || + (WeakMap && getTag(new WeakMap) != weakMapTag)) { + getTag = function(value) { + var result = baseGetTag(value), + Ctor = result == objectTag ? value.constructor : undefined$1, + ctorString = Ctor ? toSource(Ctor) : ''; + + if (ctorString) { + switch (ctorString) { + case dataViewCtorString: return dataViewTag; + case mapCtorString: return mapTag; + case promiseCtorString: return promiseTag; + case setCtorString: return setTag; + case weakMapCtorString: return weakMapTag; + } + } + return result; + }; + } + + /** + * Gets the view, applying any `transforms` to the `start` and `end` positions. + * + * @private + * @param {number} start The start of the view. + * @param {number} end The end of the view. + * @param {Array} transforms The transformations to apply to the view. + * @returns {Object} Returns an object containing the `start` and `end` + * positions of the view. + */ + function getView(start, end, transforms) { + var index = -1, + length = transforms.length; + + while (++index < length) { + var data = transforms[index], + size = data.size; + + switch (data.type) { + case 'drop': start += size; break; + case 'dropRight': end -= size; break; + case 'take': end = nativeMin(end, start + size); break; + case 'takeRight': start = nativeMax(start, end - size); break; + } + } + return { 'start': start, 'end': end }; + } + + /** + * Extracts wrapper details from the `source` body comment. + * + * @private + * @param {string} source The source to inspect. + * @returns {Array} Returns the wrapper details. + */ + function getWrapDetails(source) { + var match = source.match(reWrapDetails); + return match ? match[1].split(reSplitDetails) : []; + } + + /** + * Checks if `path` exists on `object`. + * + * @private + * @param {Object} object The object to query. + * @param {Array|string} path The path to check. + * @param {Function} hasFunc The function to check properties. + * @returns {boolean} Returns `true` if `path` exists, else `false`. + */ + function hasPath(object, path, hasFunc) { + path = castPath(path, object); + + var index = -1, + length = path.length, + result = false; + + while (++index < length) { + var key = toKey(path[index]); + if (!(result = object != null && hasFunc(object, key))) { + break; + } + object = object[key]; + } + if (result || ++index != length) { + return result; + } + length = object == null ? 0 : object.length; + return !!length && isLength(length) && isIndex(key, length) && + (isArray(object) || isArguments(object)); + } + + /** + * Initializes an array clone. + * + * @private + * @param {Array} array The array to clone. + * @returns {Array} Returns the initialized clone. + */ + function initCloneArray(array) { + var length = array.length, + result = new array.constructor(length); + + // Add properties assigned by `RegExp#exec`. + if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) { + result.index = array.index; + result.input = array.input; + } + return result; + } + + /** + * Initializes an object clone. + * + * @private + * @param {Object} object The object to clone. + * @returns {Object} Returns the initialized clone. + */ + function initCloneObject(object) { + return (typeof object.constructor == 'function' && !isPrototype(object)) + ? baseCreate(getPrototype(object)) + : {}; + } + + /** + * Initializes an object clone based on its `toStringTag`. + * + * **Note:** This function only supports cloning values with tags of + * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`. + * + * @private + * @param {Object} object The object to clone. + * @param {string} tag The `toStringTag` of the object to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Object} Returns the initialized clone. + */ + function initCloneByTag(object, tag, isDeep) { + var Ctor = object.constructor; + switch (tag) { + case arrayBufferTag: + return cloneArrayBuffer(object); + + case boolTag: + case dateTag: + return new Ctor(+object); + + case dataViewTag: + return cloneDataView(object, isDeep); + + case float32Tag: case float64Tag: + case int8Tag: case int16Tag: case int32Tag: + case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag: + return cloneTypedArray(object, isDeep); + + case mapTag: + return new Ctor; + + case numberTag: + case stringTag: + return new Ctor(object); + + case regexpTag: + return cloneRegExp(object); + + case setTag: + return new Ctor; + + case symbolTag: + return cloneSymbol(object); + } + } + + /** + * Inserts wrapper `details` in a comment at the top of the `source` body. + * + * @private + * @param {string} source The source to modify. + * @returns {Array} details The details to insert. + * @returns {string} Returns the modified source. + */ + function insertWrapDetails(source, details) { + var length = details.length; + if (!length) { + return source; + } + var lastIndex = length - 1; + details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex]; + details = details.join(length > 2 ? ', ' : ' '); + return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n'); + } + + /** + * Checks if `value` is a flattenable `arguments` object or array. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is flattenable, else `false`. + */ + function isFlattenable(value) { + return isArray(value) || isArguments(value) || + !!(spreadableSymbol && value && value[spreadableSymbol]); + } + + /** + * Checks if `value` is a valid array-like index. + * + * @private + * @param {*} value The value to check. + * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. + * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. + */ + function isIndex(value, length) { + var type = typeof value; + length = length == null ? MAX_SAFE_INTEGER : length; + + return !!length && + (type == 'number' || + (type != 'symbol' && reIsUint.test(value))) && + (value > -1 && value % 1 == 0 && value < length); + } + + /** + * Checks if the given arguments are from an iteratee call. + * + * @private + * @param {*} value The potential iteratee value argument. + * @param {*} index The potential iteratee index or key argument. + * @param {*} object The potential iteratee object argument. + * @returns {boolean} Returns `true` if the arguments are from an iteratee call, + * else `false`. + */ + function isIterateeCall(value, index, object) { + if (!isObject(object)) { + return false; + } + var type = typeof index; + if (type == 'number' + ? (isArrayLike(object) && isIndex(index, object.length)) + : (type == 'string' && index in object) + ) { + return eq(object[index], value); + } + return false; + } + + /** + * Checks if `value` is a property name and not a property path. + * + * @private + * @param {*} value The value to check. + * @param {Object} [object] The object to query keys on. + * @returns {boolean} Returns `true` if `value` is a property name, else `false`. + */ + function isKey(value, object) { + if (isArray(value)) { + return false; + } + var type = typeof value; + if (type == 'number' || type == 'symbol' || type == 'boolean' || + value == null || isSymbol(value)) { + return true; + } + return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || + (object != null && value in Object(object)); + } + + /** + * Checks if `value` is suitable for use as unique object key. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is suitable, else `false`. + */ + function isKeyable(value) { + var type = typeof value; + return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean') + ? (value !== '__proto__') + : (value === null); + } + + /** + * Checks if `func` has a lazy counterpart. + * + * @private + * @param {Function} func The function to check. + * @returns {boolean} Returns `true` if `func` has a lazy counterpart, + * else `false`. + */ + function isLaziable(func) { + var funcName = getFuncName(func), + other = lodash[funcName]; + + if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) { + return false; + } + if (func === other) { + return true; + } + var data = getData(other); + return !!data && func === data[0]; + } + + /** + * Checks if `func` has its source masked. + * + * @private + * @param {Function} func The function to check. + * @returns {boolean} Returns `true` if `func` is masked, else `false`. + */ + function isMasked(func) { + return !!maskSrcKey && (maskSrcKey in func); + } + + /** + * Checks if `func` is capable of being masked. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `func` is maskable, else `false`. + */ + var isMaskable = coreJsData ? isFunction : stubFalse; + + /** + * Checks if `value` is likely a prototype object. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. + */ + function isPrototype(value) { + var Ctor = value && value.constructor, + proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; + + return value === proto; + } + + /** + * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` if suitable for strict + * equality comparisons, else `false`. + */ + function isStrictComparable(value) { + return value === value && !isObject(value); + } + + /** + * A specialized version of `matchesProperty` for source values suitable + * for strict equality comparisons, i.e. `===`. + * + * @private + * @param {string} key The key of the property to get. + * @param {*} srcValue The value to match. + * @returns {Function} Returns the new spec function. + */ + function matchesStrictComparable(key, srcValue) { + return function(object) { + if (object == null) { + return false; + } + return object[key] === srcValue && + (srcValue !== undefined$1 || (key in Object(object))); + }; + } + + /** + * A specialized version of `_.memoize` which clears the memoized function's + * cache when it exceeds `MAX_MEMOIZE_SIZE`. + * + * @private + * @param {Function} func The function to have its output memoized. + * @returns {Function} Returns the new memoized function. + */ + function memoizeCapped(func) { + var result = memoize(func, function(key) { + if (cache.size === MAX_MEMOIZE_SIZE) { + cache.clear(); + } + return key; + }); + + var cache = result.cache; + return result; + } + + /** + * Merges the function metadata of `source` into `data`. + * + * Merging metadata reduces the number of wrappers used to invoke a function. + * This is possible because methods like `_.bind`, `_.curry`, and `_.partial` + * may be applied regardless of execution order. Methods like `_.ary` and + * `_.rearg` modify function arguments, making the order in which they are + * executed important, preventing the merging of metadata. However, we make + * an exception for a safe combined case where curried functions have `_.ary` + * and or `_.rearg` applied. + * + * @private + * @param {Array} data The destination metadata. + * @param {Array} source The source metadata. + * @returns {Array} Returns `data`. + */ + function mergeData(data, source) { + var bitmask = data[1], + srcBitmask = source[1], + newBitmask = bitmask | srcBitmask, + isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG); + + var isCombo = + ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) || + ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) || + ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG)); + + // Exit early if metadata can't be merged. + if (!(isCommon || isCombo)) { + return data; + } + // Use source `thisArg` if available. + if (srcBitmask & WRAP_BIND_FLAG) { + data[2] = source[2]; + // Set when currying a bound function. + newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG; + } + // Compose partial arguments. + var value = source[3]; + if (value) { + var partials = data[3]; + data[3] = partials ? composeArgs(partials, value, source[4]) : value; + data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4]; + } + // Compose partial right arguments. + value = source[5]; + if (value) { + partials = data[5]; + data[5] = partials ? composeArgsRight(partials, value, source[6]) : value; + data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6]; + } + // Use source `argPos` if available. + value = source[7]; + if (value) { + data[7] = value; + } + // Use source `ary` if it's smaller. + if (srcBitmask & WRAP_ARY_FLAG) { + data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]); + } + // Use source `arity` if one is not provided. + if (data[9] == null) { + data[9] = source[9]; + } + // Use source `func` and merge bitmasks. + data[0] = source[0]; + data[1] = newBitmask; + + return data; + } + + /** + * This function is like + * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) + * except that it includes inherited enumerable properties. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + */ + function nativeKeysIn(object) { + var result = []; + if (object != null) { + for (var key in Object(object)) { + result.push(key); + } + } + return result; + } + + /** + * Converts `value` to a string using `Object.prototype.toString`. + * + * @private + * @param {*} value The value to convert. + * @returns {string} Returns the converted string. + */ + function objectToString(value) { + return nativeObjectToString.call(value); + } + + /** + * A specialized version of `baseRest` which transforms the rest array. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @param {Function} transform The rest array transform. + * @returns {Function} Returns the new function. + */ + function overRest(func, start, transform) { + start = nativeMax(start === undefined$1 ? (func.length - 1) : start, 0); + return function() { + var args = arguments, + index = -1, + length = nativeMax(args.length - start, 0), + array = Array(length); + + while (++index < length) { + array[index] = args[start + index]; + } + index = -1; + var otherArgs = Array(start + 1); + while (++index < start) { + otherArgs[index] = args[index]; + } + otherArgs[start] = transform(array); + return apply(func, this, otherArgs); + }; + } + + /** + * Gets the parent value at `path` of `object`. + * + * @private + * @param {Object} object The object to query. + * @param {Array} path The path to get the parent value of. + * @returns {*} Returns the parent value. + */ + function parent(object, path) { + return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1)); + } + + /** + * Reorder `array` according to the specified indexes where the element at + * the first index is assigned as the first element, the element at + * the second index is assigned as the second element, and so on. + * + * @private + * @param {Array} array The array to reorder. + * @param {Array} indexes The arranged array indexes. + * @returns {Array} Returns `array`. + */ + function reorder(array, indexes) { + var arrLength = array.length, + length = nativeMin(indexes.length, arrLength), + oldArray = copyArray(array); + + while (length--) { + var index = indexes[length]; + array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined$1; + } + return array; + } + + /** + * Gets the value at `key`, unless `key` is "__proto__" or "constructor". + * + * @private + * @param {Object} object The object to query. + * @param {string} key The key of the property to get. + * @returns {*} Returns the property value. + */ + function safeGet(object, key) { + if (key === 'constructor' && typeof object[key] === 'function') { + return; + } + + if (key == '__proto__') { + return; + } + + return object[key]; + } + + /** + * Sets metadata for `func`. + * + * **Note:** If this function becomes hot, i.e. is invoked a lot in a short + * period of time, it will trip its breaker and transition to an identity + * function to avoid garbage collection pauses in V8. See + * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070) + * for more details. + * + * @private + * @param {Function} func The function to associate metadata with. + * @param {*} data The metadata. + * @returns {Function} Returns `func`. + */ + var setData = shortOut(baseSetData); + + /** + * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout). + * + * @private + * @param {Function} func The function to delay. + * @param {number} wait The number of milliseconds to delay invocation. + * @returns {number|Object} Returns the timer id or timeout object. + */ + var setTimeout = ctxSetTimeout || function(func, wait) { + return root.setTimeout(func, wait); + }; + + /** + * Sets the `toString` method of `func` to return `string`. + * + * @private + * @param {Function} func The function to modify. + * @param {Function} string The `toString` result. + * @returns {Function} Returns `func`. + */ + var setToString = shortOut(baseSetToString); + + /** + * Sets the `toString` method of `wrapper` to mimic the source of `reference` + * with wrapper details in a comment at the top of the source body. + * + * @private + * @param {Function} wrapper The function to modify. + * @param {Function} reference The reference function. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @returns {Function} Returns `wrapper`. + */ + function setWrapToString(wrapper, reference, bitmask) { + var source = (reference + ''); + return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask))); + } + + /** + * Creates a function that'll short out and invoke `identity` instead + * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN` + * milliseconds. + * + * @private + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new shortable function. + */ + function shortOut(func) { + var count = 0, + lastCalled = 0; + + return function() { + var stamp = nativeNow(), + remaining = HOT_SPAN - (stamp - lastCalled); + + lastCalled = stamp; + if (remaining > 0) { + if (++count >= HOT_COUNT) { + return arguments[0]; + } + } else { + count = 0; + } + return func.apply(undefined$1, arguments); + }; + } + + /** + * A specialized version of `_.shuffle` which mutates and sets the size of `array`. + * + * @private + * @param {Array} array The array to shuffle. + * @param {number} [size=array.length] The size of `array`. + * @returns {Array} Returns `array`. + */ + function shuffleSelf(array, size) { + var index = -1, + length = array.length, + lastIndex = length - 1; + + size = size === undefined$1 ? length : size; + while (++index < size) { + var rand = baseRandom(index, lastIndex), + value = array[rand]; + + array[rand] = array[index]; + array[index] = value; + } + array.length = size; + return array; + } + + /** + * Converts `string` to a property path array. + * + * @private + * @param {string} string The string to convert. + * @returns {Array} Returns the property path array. + */ + var stringToPath = memoizeCapped(function(string) { + var result = []; + if (string.charCodeAt(0) === 46 /* . */) { + result.push(''); + } + string.replace(rePropName, function(match, number, quote, subString) { + result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match)); + }); + return result; + }); + + /** + * Converts `value` to a string key if it's not a string or symbol. + * + * @private + * @param {*} value The value to inspect. + * @returns {string|symbol} Returns the key. + */ + function toKey(value) { + if (typeof value == 'string' || isSymbol(value)) { + return value; + } + var result = (value + ''); + return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; + } + + /** + * Converts `func` to its source code. + * + * @private + * @param {Function} func The function to convert. + * @returns {string} Returns the source code. + */ + function toSource(func) { + if (func != null) { + try { + return funcToString.call(func); + } catch (e) {} + try { + return (func + ''); + } catch (e) {} + } + return ''; + } + + /** + * Updates wrapper `details` based on `bitmask` flags. + * + * @private + * @returns {Array} details The details to modify. + * @param {number} bitmask The bitmask flags. See `createWrap` for more details. + * @returns {Array} Returns `details`. + */ + function updateWrapDetails(details, bitmask) { + arrayEach(wrapFlags, function(pair) { + var value = '_.' + pair[0]; + if ((bitmask & pair[1]) && !arrayIncludes(details, value)) { + details.push(value); + } + }); + return details.sort(); + } + + /** + * Creates a clone of `wrapper`. + * + * @private + * @param {Object} wrapper The wrapper to clone. + * @returns {Object} Returns the cloned wrapper. + */ + function wrapperClone(wrapper) { + if (wrapper instanceof LazyWrapper) { + return wrapper.clone(); + } + var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__); + result.__actions__ = copyArray(wrapper.__actions__); + result.__index__ = wrapper.__index__; + result.__values__ = wrapper.__values__; + return result; + } + + /*------------------------------------------------------------------------*/ + + /** + * Creates an array of elements split into groups the length of `size`. + * If `array` can't be split evenly, the final chunk will be the remaining + * elements. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to process. + * @param {number} [size=1] The length of each chunk + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the new array of chunks. + * @example + * + * _.chunk(['a', 'b', 'c', 'd'], 2); + * // => [['a', 'b'], ['c', 'd']] + * + * _.chunk(['a', 'b', 'c', 'd'], 3); + * // => [['a', 'b', 'c'], ['d']] + */ + function chunk(array, size, guard) { + if ((guard ? isIterateeCall(array, size, guard) : size === undefined$1)) { + size = 1; + } else { + size = nativeMax(toInteger(size), 0); + } + var length = array == null ? 0 : array.length; + if (!length || size < 1) { + return []; + } + var index = 0, + resIndex = 0, + result = Array(nativeCeil(length / size)); + + while (index < length) { + result[resIndex++] = baseSlice(array, index, (index += size)); + } + return result; + } + + /** + * Creates an array with all falsey values removed. The values `false`, `null`, + * `0`, `""`, `undefined`, and `NaN` are falsey. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to compact. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.compact([0, 1, false, 2, '', 3]); + * // => [1, 2, 3] + */ + function compact(array) { + var index = -1, + length = array == null ? 0 : array.length, + resIndex = 0, + result = []; + + while (++index < length) { + var value = array[index]; + if (value) { + result[resIndex++] = value; + } + } + return result; + } + + /** + * Creates a new array concatenating `array` with any additional arrays + * and/or values. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to concatenate. + * @param {...*} [values] The values to concatenate. + * @returns {Array} Returns the new concatenated array. + * @example + * + * var array = [1]; + * var other = _.concat(array, 2, [3], [[4]]); + * + * console.log(other); + * // => [1, 2, 3, [4]] + * + * console.log(array); + * // => [1] + */ + function concat() { + var length = arguments.length; + if (!length) { + return []; + } + var args = Array(length - 1), + array = arguments[0], + index = length; + + while (index--) { + args[index - 1] = arguments[index]; + } + return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)); + } + + /** + * Creates an array of `array` values not included in the other given arrays + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. The order and references of result values are + * determined by the first array. + * + * **Note:** Unlike `_.pullAll`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @returns {Array} Returns the new array of filtered values. + * @see _.without, _.xor + * @example + * + * _.difference([2, 1], [2, 3]); + * // => [1] + */ + var difference = baseRest(function(array, values) { + return isArrayLikeObject(array) + ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true)) + : []; + }); + + /** + * This method is like `_.difference` except that it accepts `iteratee` which + * is invoked for each element of `array` and `values` to generate the criterion + * by which they're compared. The order and references of result values are + * determined by the first array. The iteratee is invoked with one argument: + * (value). + * + * **Note:** Unlike `_.pullAllBy`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [1.2] + * + * // The `_.property` iteratee shorthand. + * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x'); + * // => [{ 'x': 2 }] + */ + var differenceBy = baseRest(function(array, values) { + var iteratee = last(values); + if (isArrayLikeObject(iteratee)) { + iteratee = undefined$1; + } + return isArrayLikeObject(array) + ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)) + : []; + }); + + /** + * This method is like `_.difference` except that it accepts `comparator` + * which is invoked to compare elements of `array` to `values`. The order and + * references of result values are determined by the first array. The comparator + * is invoked with two arguments: (arrVal, othVal). + * + * **Note:** Unlike `_.pullAllWith`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...Array} [values] The values to exclude. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * + * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual); + * // => [{ 'x': 2, 'y': 1 }] + */ + var differenceWith = baseRest(function(array, values) { + var comparator = last(values); + if (isArrayLikeObject(comparator)) { + comparator = undefined$1; + } + return isArrayLikeObject(array) + ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined$1, comparator) + : []; + }); + + /** + * Creates a slice of `array` with `n` elements dropped from the beginning. + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to drop. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.drop([1, 2, 3]); + * // => [2, 3] + * + * _.drop([1, 2, 3], 2); + * // => [3] + * + * _.drop([1, 2, 3], 5); + * // => [] + * + * _.drop([1, 2, 3], 0); + * // => [1, 2, 3] + */ + function drop(array, n, guard) { + var length = array == null ? 0 : array.length; + if (!length) { + return []; + } + n = (guard || n === undefined$1) ? 1 : toInteger(n); + return baseSlice(array, n < 0 ? 0 : n, length); + } + + /** + * Creates a slice of `array` with `n` elements dropped from the end. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to drop. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.dropRight([1, 2, 3]); + * // => [1, 2] + * + * _.dropRight([1, 2, 3], 2); + * // => [1] + * + * _.dropRight([1, 2, 3], 5); + * // => [] + * + * _.dropRight([1, 2, 3], 0); + * // => [1, 2, 3] + */ + function dropRight(array, n, guard) { + var length = array == null ? 0 : array.length; + if (!length) { + return []; + } + n = (guard || n === undefined$1) ? 1 : toInteger(n); + n = length - n; + return baseSlice(array, 0, n < 0 ? 0 : n); + } + + /** + * Creates a slice of `array` excluding elements dropped from the end. + * Elements are dropped until `predicate` returns falsey. The predicate is + * invoked with three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': false } + * ]; + * + * _.dropRightWhile(users, function(o) { return !o.active; }); + * // => objects for ['barney'] + * + * // The `_.matches` iteratee shorthand. + * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false }); + * // => objects for ['barney', 'fred'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.dropRightWhile(users, ['active', false]); + * // => objects for ['barney'] + * + * // The `_.property` iteratee shorthand. + * _.dropRightWhile(users, 'active'); + * // => objects for ['barney', 'fred', 'pebbles'] + */ + function dropRightWhile(array, predicate) { + return (array && array.length) + ? baseWhile(array, getIteratee(predicate, 3), true, true) + : []; + } + + /** + * Creates a slice of `array` excluding elements dropped from the beginning. + * Elements are dropped until `predicate` returns falsey. The predicate is + * invoked with three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': false }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': true } + * ]; + * + * _.dropWhile(users, function(o) { return !o.active; }); + * // => objects for ['pebbles'] + * + * // The `_.matches` iteratee shorthand. + * _.dropWhile(users, { 'user': 'barney', 'active': false }); + * // => objects for ['fred', 'pebbles'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.dropWhile(users, ['active', false]); + * // => objects for ['pebbles'] + * + * // The `_.property` iteratee shorthand. + * _.dropWhile(users, 'active'); + * // => objects for ['barney', 'fred', 'pebbles'] + */ + function dropWhile(array, predicate) { + return (array && array.length) + ? baseWhile(array, getIteratee(predicate, 3), true) + : []; + } + + /** + * Fills elements of `array` with `value` from `start` up to, but not + * including, `end`. + * + * **Note:** This method mutates `array`. + * + * @static + * @memberOf _ + * @since 3.2.0 + * @category Array + * @param {Array} array The array to fill. + * @param {*} value The value to fill `array` with. + * @param {number} [start=0] The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns `array`. + * @example + * + * var array = [1, 2, 3]; + * + * _.fill(array, 'a'); + * console.log(array); + * // => ['a', 'a', 'a'] + * + * _.fill(Array(3), 2); + * // => [2, 2, 2] + * + * _.fill([4, 6, 8, 10], '*', 1, 3); + * // => [4, '*', '*', 10] + */ + function fill(array, value, start, end) { + var length = array == null ? 0 : array.length; + if (!length) { + return []; + } + if (start && typeof start != 'number' && isIterateeCall(array, value, start)) { + start = 0; + end = length; + } + return baseFill(array, value, start, end); + } + + /** + * This method is like `_.find` except that it returns the index of the first + * element `predicate` returns truthy for instead of the element itself. + * + * @static + * @memberOf _ + * @since 1.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=0] The index to search from. + * @returns {number} Returns the index of the found element, else `-1`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': false }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': true } + * ]; + * + * _.findIndex(users, function(o) { return o.user == 'barney'; }); + * // => 0 + * + * // The `_.matches` iteratee shorthand. + * _.findIndex(users, { 'user': 'fred', 'active': false }); + * // => 1 + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findIndex(users, ['active', false]); + * // => 0 + * + * // The `_.property` iteratee shorthand. + * _.findIndex(users, 'active'); + * // => 2 + */ + function findIndex(array, predicate, fromIndex) { + var length = array == null ? 0 : array.length; + if (!length) { + return -1; + } + var index = fromIndex == null ? 0 : toInteger(fromIndex); + if (index < 0) { + index = nativeMax(length + index, 0); + } + return baseFindIndex(array, getIteratee(predicate, 3), index); + } + + /** + * This method is like `_.findIndex` except that it iterates over elements + * of `collection` from right to left. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=array.length-1] The index to search from. + * @returns {number} Returns the index of the found element, else `-1`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': false } + * ]; + * + * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; }); + * // => 2 + * + * // The `_.matches` iteratee shorthand. + * _.findLastIndex(users, { 'user': 'barney', 'active': true }); + * // => 0 + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findLastIndex(users, ['active', false]); + * // => 2 + * + * // The `_.property` iteratee shorthand. + * _.findLastIndex(users, 'active'); + * // => 0 + */ + function findLastIndex(array, predicate, fromIndex) { + var length = array == null ? 0 : array.length; + if (!length) { + return -1; + } + var index = length - 1; + if (fromIndex !== undefined$1) { + index = toInteger(fromIndex); + index = fromIndex < 0 + ? nativeMax(length + index, 0) + : nativeMin(index, length - 1); + } + return baseFindIndex(array, getIteratee(predicate, 3), index, true); + } + + /** + * Flattens `array` a single level deep. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to flatten. + * @returns {Array} Returns the new flattened array. + * @example + * + * _.flatten([1, [2, [3, [4]], 5]]); + * // => [1, 2, [3, [4]], 5] + */ + function flatten(array) { + var length = array == null ? 0 : array.length; + return length ? baseFlatten(array, 1) : []; + } + + /** + * Recursively flattens `array`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to flatten. + * @returns {Array} Returns the new flattened array. + * @example + * + * _.flattenDeep([1, [2, [3, [4]], 5]]); + * // => [1, 2, 3, 4, 5] + */ + function flattenDeep(array) { + var length = array == null ? 0 : array.length; + return length ? baseFlatten(array, INFINITY) : []; + } + + /** + * Recursively flatten `array` up to `depth` times. + * + * @static + * @memberOf _ + * @since 4.4.0 + * @category Array + * @param {Array} array The array to flatten. + * @param {number} [depth=1] The maximum recursion depth. + * @returns {Array} Returns the new flattened array. + * @example + * + * var array = [1, [2, [3, [4]], 5]]; + * + * _.flattenDepth(array, 1); + * // => [1, 2, [3, [4]], 5] + * + * _.flattenDepth(array, 2); + * // => [1, 2, 3, [4], 5] + */ + function flattenDepth(array, depth) { + var length = array == null ? 0 : array.length; + if (!length) { + return []; + } + depth = depth === undefined$1 ? 1 : toInteger(depth); + return baseFlatten(array, depth); + } + + /** + * The inverse of `_.toPairs`; this method returns an object composed + * from key-value `pairs`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} pairs The key-value pairs. + * @returns {Object} Returns the new object. + * @example + * + * _.fromPairs([['a', 1], ['b', 2]]); + * // => { 'a': 1, 'b': 2 } + */ + function fromPairs(pairs) { + var index = -1, + length = pairs == null ? 0 : pairs.length, + result = {}; + + while (++index < length) { + var pair = pairs[index]; + result[pair[0]] = pair[1]; + } + return result; + } + + /** + * Gets the first element of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @alias first + * @category Array + * @param {Array} array The array to query. + * @returns {*} Returns the first element of `array`. + * @example + * + * _.head([1, 2, 3]); + * // => 1 + * + * _.head([]); + * // => undefined + */ + function head(array) { + return (array && array.length) ? array[0] : undefined$1; + } + + /** + * Gets the index at which the first occurrence of `value` is found in `array` + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. If `fromIndex` is negative, it's used as the + * offset from the end of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} [fromIndex=0] The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.indexOf([1, 2, 1, 2], 2); + * // => 1 + * + * // Search from the `fromIndex`. + * _.indexOf([1, 2, 1, 2], 2, 2); + * // => 3 + */ + function indexOf(array, value, fromIndex) { + var length = array == null ? 0 : array.length; + if (!length) { + return -1; + } + var index = fromIndex == null ? 0 : toInteger(fromIndex); + if (index < 0) { + index = nativeMax(length + index, 0); + } + return baseIndexOf(array, value, index); + } + + /** + * Gets all but the last element of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to query. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.initial([1, 2, 3]); + * // => [1, 2] + */ + function initial(array) { + var length = array == null ? 0 : array.length; + return length ? baseSlice(array, 0, -1) : []; + } + + /** + * Creates an array of unique values that are included in all given arrays + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. The order and references of result values are + * determined by the first array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @returns {Array} Returns the new array of intersecting values. + * @example + * + * _.intersection([2, 1], [2, 3]); + * // => [2] + */ + var intersection = baseRest(function(arrays) { + var mapped = arrayMap(arrays, castArrayLikeObject); + return (mapped.length && mapped[0] === arrays[0]) + ? baseIntersection(mapped) + : []; + }); + + /** + * This method is like `_.intersection` except that it accepts `iteratee` + * which is invoked for each element of each `arrays` to generate the criterion + * by which they're compared. The order and references of result values are + * determined by the first array. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of intersecting values. + * @example + * + * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [2.1] + * + * // The `_.property` iteratee shorthand. + * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }] + */ + var intersectionBy = baseRest(function(arrays) { + var iteratee = last(arrays), + mapped = arrayMap(arrays, castArrayLikeObject); + + if (iteratee === last(mapped)) { + iteratee = undefined$1; + } else { + mapped.pop(); + } + return (mapped.length && mapped[0] === arrays[0]) + ? baseIntersection(mapped, getIteratee(iteratee, 2)) + : []; + }); + + /** + * This method is like `_.intersection` except that it accepts `comparator` + * which is invoked to compare elements of `arrays`. The order and references + * of result values are determined by the first array. The comparator is + * invoked with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of intersecting values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.intersectionWith(objects, others, _.isEqual); + * // => [{ 'x': 1, 'y': 2 }] + */ + var intersectionWith = baseRest(function(arrays) { + var comparator = last(arrays), + mapped = arrayMap(arrays, castArrayLikeObject); + + comparator = typeof comparator == 'function' ? comparator : undefined$1; + if (comparator) { + mapped.pop(); + } + return (mapped.length && mapped[0] === arrays[0]) + ? baseIntersection(mapped, undefined$1, comparator) + : []; + }); + + /** + * Converts all elements in `array` into a string separated by `separator`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to convert. + * @param {string} [separator=','] The element separator. + * @returns {string} Returns the joined string. + * @example + * + * _.join(['a', 'b', 'c'], '~'); + * // => 'a~b~c' + */ + function join(array, separator) { + return array == null ? '' : nativeJoin.call(array, separator); + } + + /** + * Gets the last element of `array`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to query. + * @returns {*} Returns the last element of `array`. + * @example + * + * _.last([1, 2, 3]); + * // => 3 + */ + function last(array) { + var length = array == null ? 0 : array.length; + return length ? array[length - 1] : undefined$1; + } + + /** + * This method is like `_.indexOf` except that it iterates over elements of + * `array` from right to left. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @param {number} [fromIndex=array.length-1] The index to search from. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.lastIndexOf([1, 2, 1, 2], 2); + * // => 3 + * + * // Search from the `fromIndex`. + * _.lastIndexOf([1, 2, 1, 2], 2, 2); + * // => 1 + */ + function lastIndexOf(array, value, fromIndex) { + var length = array == null ? 0 : array.length; + if (!length) { + return -1; + } + var index = length; + if (fromIndex !== undefined$1) { + index = toInteger(fromIndex); + index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); + } + return value === value + ? strictLastIndexOf(array, value, index) + : baseFindIndex(array, baseIsNaN, index, true); + } + + /** + * Gets the element at index `n` of `array`. If `n` is negative, the nth + * element from the end is returned. + * + * @static + * @memberOf _ + * @since 4.11.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=0] The index of the element to return. + * @returns {*} Returns the nth element of `array`. + * @example + * + * var array = ['a', 'b', 'c', 'd']; + * + * _.nth(array, 1); + * // => 'b' + * + * _.nth(array, -2); + * // => 'c'; + */ + function nth(array, n) { + return (array && array.length) ? baseNth(array, toInteger(n)) : undefined$1; + } + + /** + * Removes all given values from `array` using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove` + * to remove elements from an array by predicate. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {...*} [values] The values to remove. + * @returns {Array} Returns `array`. + * @example + * + * var array = ['a', 'b', 'c', 'a', 'b', 'c']; + * + * _.pull(array, 'a', 'c'); + * console.log(array); + * // => ['b', 'b'] + */ + var pull = baseRest(pullAll); + + /** + * This method is like `_.pull` except that it accepts an array of values to remove. + * + * **Note:** Unlike `_.difference`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @returns {Array} Returns `array`. + * @example + * + * var array = ['a', 'b', 'c', 'a', 'b', 'c']; + * + * _.pullAll(array, ['a', 'c']); + * console.log(array); + * // => ['b', 'b'] + */ + function pullAll(array, values) { + return (array && array.length && values && values.length) + ? basePullAll(array, values) + : array; + } + + /** + * This method is like `_.pullAll` except that it accepts `iteratee` which is + * invoked for each element of `array` and `values` to generate the criterion + * by which they're compared. The iteratee is invoked with one argument: (value). + * + * **Note:** Unlike `_.differenceBy`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns `array`. + * @example + * + * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }]; + * + * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x'); + * console.log(array); + * // => [{ 'x': 2 }] + */ + function pullAllBy(array, values, iteratee) { + return (array && array.length && values && values.length) + ? basePullAll(array, values, getIteratee(iteratee, 2)) + : array; + } + + /** + * This method is like `_.pullAll` except that it accepts `comparator` which + * is invoked to compare elements of `array` to `values`. The comparator is + * invoked with two arguments: (arrVal, othVal). + * + * **Note:** Unlike `_.differenceWith`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 4.6.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Array} values The values to remove. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns `array`. + * @example + * + * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }]; + * + * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual); + * console.log(array); + * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }] + */ + function pullAllWith(array, values, comparator) { + return (array && array.length && values && values.length) + ? basePullAll(array, values, undefined$1, comparator) + : array; + } + + /** + * Removes elements from `array` corresponding to `indexes` and returns an + * array of removed elements. + * + * **Note:** Unlike `_.at`, this method mutates `array`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {...(number|number[])} [indexes] The indexes of elements to remove. + * @returns {Array} Returns the new array of removed elements. + * @example + * + * var array = ['a', 'b', 'c', 'd']; + * var pulled = _.pullAt(array, [1, 3]); + * + * console.log(array); + * // => ['a', 'c'] + * + * console.log(pulled); + * // => ['b', 'd'] + */ + var pullAt = flatRest(function(array, indexes) { + var length = array == null ? 0 : array.length, + result = baseAt(array, indexes); + + basePullAt(array, arrayMap(indexes, function(index) { + return isIndex(index, length) ? +index : index; + }).sort(compareAscending)); + + return result; + }); + + /** + * Removes all elements from `array` that `predicate` returns truthy for + * and returns an array of the removed elements. The predicate is invoked + * with three arguments: (value, index, array). + * + * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull` + * to pull elements from an array by value. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Array + * @param {Array} array The array to modify. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new array of removed elements. + * @example + * + * var array = [1, 2, 3, 4]; + * var evens = _.remove(array, function(n) { + * return n % 2 == 0; + * }); + * + * console.log(array); + * // => [1, 3] + * + * console.log(evens); + * // => [2, 4] + */ + function remove(array, predicate) { + var result = []; + if (!(array && array.length)) { + return result; + } + var index = -1, + indexes = [], + length = array.length; + + predicate = getIteratee(predicate, 3); + while (++index < length) { + var value = array[index]; + if (predicate(value, index, array)) { + result.push(value); + indexes.push(index); + } + } + basePullAt(array, indexes); + return result; + } + + /** + * Reverses `array` so that the first element becomes the last, the second + * element becomes the second to last, and so on. + * + * **Note:** This method mutates `array` and is based on + * [`Array#reverse`](https://mdn.io/Array/reverse). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to modify. + * @returns {Array} Returns `array`. + * @example + * + * var array = [1, 2, 3]; + * + * _.reverse(array); + * // => [3, 2, 1] + * + * console.log(array); + * // => [3, 2, 1] + */ + function reverse(array) { + return array == null ? array : nativeReverse.call(array); + } + + /** + * Creates a slice of `array` from `start` up to, but not including, `end`. + * + * **Note:** This method is used instead of + * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are + * returned. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to slice. + * @param {number} [start=0] The start position. + * @param {number} [end=array.length] The end position. + * @returns {Array} Returns the slice of `array`. + */ + function slice(array, start, end) { + var length = array == null ? 0 : array.length; + if (!length) { + return []; + } + if (end && typeof end != 'number' && isIterateeCall(array, start, end)) { + start = 0; + end = length; + } + else { + start = start == null ? 0 : toInteger(start); + end = end === undefined$1 ? length : toInteger(end); + } + return baseSlice(array, start, end); + } + + /** + * Uses a binary search to determine the lowest index at which `value` + * should be inserted into `array` in order to maintain its sort order. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * _.sortedIndex([30, 50], 40); + * // => 1 + */ + function sortedIndex(array, value) { + return baseSortedIndex(array, value); + } + + /** + * This method is like `_.sortedIndex` except that it accepts `iteratee` + * which is invoked for `value` and each element of `array` to compute their + * sort ranking. The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * var objects = [{ 'x': 4 }, { 'x': 5 }]; + * + * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); + * // => 0 + * + * // The `_.property` iteratee shorthand. + * _.sortedIndexBy(objects, { 'x': 4 }, 'x'); + * // => 0 + */ + function sortedIndexBy(array, value, iteratee) { + return baseSortedIndexBy(array, value, getIteratee(iteratee, 2)); + } + + /** + * This method is like `_.indexOf` except that it performs a binary + * search on a sorted `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.sortedIndexOf([4, 5, 5, 5, 6], 5); + * // => 1 + */ + function sortedIndexOf(array, value) { + var length = array == null ? 0 : array.length; + if (length) { + var index = baseSortedIndex(array, value); + if (index < length && eq(array[index], value)) { + return index; + } + } + return -1; + } + + /** + * This method is like `_.sortedIndex` except that it returns the highest + * index at which `value` should be inserted into `array` in order to + * maintain its sort order. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * _.sortedLastIndex([4, 5, 5, 5, 6], 5); + * // => 4 + */ + function sortedLastIndex(array, value) { + return baseSortedIndex(array, value, true); + } + + /** + * This method is like `_.sortedLastIndex` except that it accepts `iteratee` + * which is invoked for `value` and each element of `array` to compute their + * sort ranking. The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + * @example + * + * var objects = [{ 'x': 4 }, { 'x': 5 }]; + * + * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); + * // => 1 + * + * // The `_.property` iteratee shorthand. + * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x'); + * // => 1 + */ + function sortedLastIndexBy(array, value, iteratee) { + return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true); + } + + /** + * This method is like `_.lastIndexOf` except that it performs a binary + * search on a sorted `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {*} value The value to search for. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5); + * // => 3 + */ + function sortedLastIndexOf(array, value) { + var length = array == null ? 0 : array.length; + if (length) { + var index = baseSortedIndex(array, value, true) - 1; + if (eq(array[index], value)) { + return index; + } + } + return -1; + } + + /** + * This method is like `_.uniq` except that it's designed and optimized + * for sorted arrays. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.sortedUniq([1, 1, 2]); + * // => [1, 2] + */ + function sortedUniq(array) { + return (array && array.length) + ? baseSortedUniq(array) + : []; + } + + /** + * This method is like `_.uniqBy` except that it's designed and optimized + * for sorted arrays. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [iteratee] The iteratee invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor); + * // => [1.1, 2.3] + */ + function sortedUniqBy(array, iteratee) { + return (array && array.length) + ? baseSortedUniq(array, getIteratee(iteratee, 2)) + : []; + } + + /** + * Gets all but the first element of `array`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to query. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.tail([1, 2, 3]); + * // => [2, 3] + */ + function tail(array) { + var length = array == null ? 0 : array.length; + return length ? baseSlice(array, 1, length) : []; + } + + /** + * Creates a slice of `array` with `n` elements taken from the beginning. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to take. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.take([1, 2, 3]); + * // => [1] + * + * _.take([1, 2, 3], 2); + * // => [1, 2] + * + * _.take([1, 2, 3], 5); + * // => [1, 2, 3] + * + * _.take([1, 2, 3], 0); + * // => [] + */ + function take(array, n, guard) { + if (!(array && array.length)) { + return []; + } + n = (guard || n === undefined$1) ? 1 : toInteger(n); + return baseSlice(array, 0, n < 0 ? 0 : n); + } + + /** + * Creates a slice of `array` with `n` elements taken from the end. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {number} [n=1] The number of elements to take. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the slice of `array`. + * @example + * + * _.takeRight([1, 2, 3]); + * // => [3] + * + * _.takeRight([1, 2, 3], 2); + * // => [2, 3] + * + * _.takeRight([1, 2, 3], 5); + * // => [1, 2, 3] + * + * _.takeRight([1, 2, 3], 0); + * // => [] + */ + function takeRight(array, n, guard) { + var length = array == null ? 0 : array.length; + if (!length) { + return []; + } + n = (guard || n === undefined$1) ? 1 : toInteger(n); + n = length - n; + return baseSlice(array, n < 0 ? 0 : n, length); + } + + /** + * Creates a slice of `array` with elements taken from the end. Elements are + * taken until `predicate` returns falsey. The predicate is invoked with + * three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': false } + * ]; + * + * _.takeRightWhile(users, function(o) { return !o.active; }); + * // => objects for ['fred', 'pebbles'] + * + * // The `_.matches` iteratee shorthand. + * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false }); + * // => objects for ['pebbles'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.takeRightWhile(users, ['active', false]); + * // => objects for ['fred', 'pebbles'] + * + * // The `_.property` iteratee shorthand. + * _.takeRightWhile(users, 'active'); + * // => [] + */ + function takeRightWhile(array, predicate) { + return (array && array.length) + ? baseWhile(array, getIteratee(predicate, 3), false, true) + : []; + } + + /** + * Creates a slice of `array` with elements taken from the beginning. Elements + * are taken until `predicate` returns falsey. The predicate is invoked with + * three arguments: (value, index, array). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Array + * @param {Array} array The array to query. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the slice of `array`. + * @example + * + * var users = [ + * { 'user': 'barney', 'active': false }, + * { 'user': 'fred', 'active': false }, + * { 'user': 'pebbles', 'active': true } + * ]; + * + * _.takeWhile(users, function(o) { return !o.active; }); + * // => objects for ['barney', 'fred'] + * + * // The `_.matches` iteratee shorthand. + * _.takeWhile(users, { 'user': 'barney', 'active': false }); + * // => objects for ['barney'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.takeWhile(users, ['active', false]); + * // => objects for ['barney', 'fred'] + * + * // The `_.property` iteratee shorthand. + * _.takeWhile(users, 'active'); + * // => [] + */ + function takeWhile(array, predicate) { + return (array && array.length) + ? baseWhile(array, getIteratee(predicate, 3)) + : []; + } + + /** + * Creates an array of unique values, in order, from all given arrays using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @returns {Array} Returns the new array of combined values. + * @example + * + * _.union([2], [1, 2]); + * // => [2, 1] + */ + var union = baseRest(function(arrays) { + return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true)); + }); + + /** + * This method is like `_.union` except that it accepts `iteratee` which is + * invoked for each element of each `arrays` to generate the criterion by + * which uniqueness is computed. Result values are chosen from the first + * array in which the value occurs. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of combined values. + * @example + * + * _.unionBy([2.1], [1.2, 2.3], Math.floor); + * // => [2.1, 1.2] + * + * // The `_.property` iteratee shorthand. + * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }, { 'x': 2 }] + */ + var unionBy = baseRest(function(arrays) { + var iteratee = last(arrays); + if (isArrayLikeObject(iteratee)) { + iteratee = undefined$1; + } + return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)); + }); + + /** + * This method is like `_.union` except that it accepts `comparator` which + * is invoked to compare elements of `arrays`. Result values are chosen from + * the first array in which the value occurs. The comparator is invoked + * with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of combined values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.unionWith(objects, others, _.isEqual); + * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] + */ + var unionWith = baseRest(function(arrays) { + var comparator = last(arrays); + comparator = typeof comparator == 'function' ? comparator : undefined$1; + return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined$1, comparator); + }); + + /** + * Creates a duplicate-free version of an array, using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons, in which only the first occurrence of each element + * is kept. The order of result values is determined by the order they occur + * in the array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.uniq([2, 1, 2]); + * // => [2, 1] + */ + function uniq(array) { + return (array && array.length) ? baseUniq(array) : []; + } + + /** + * This method is like `_.uniq` except that it accepts `iteratee` which is + * invoked for each element in `array` to generate the criterion by which + * uniqueness is computed. The order of result values is determined by the + * order they occur in the array. The iteratee is invoked with one argument: + * (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * _.uniqBy([2.1, 1.2, 2.3], Math.floor); + * // => [2.1, 1.2] + * + * // The `_.property` iteratee shorthand. + * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 1 }, { 'x': 2 }] + */ + function uniqBy(array, iteratee) { + return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : []; + } + + /** + * This method is like `_.uniq` except that it accepts `comparator` which + * is invoked to compare elements of `array`. The order of result values is + * determined by the order they occur in the array.The comparator is invoked + * with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new duplicate free array. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.uniqWith(objects, _.isEqual); + * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }] + */ + function uniqWith(array, comparator) { + comparator = typeof comparator == 'function' ? comparator : undefined$1; + return (array && array.length) ? baseUniq(array, undefined$1, comparator) : []; + } + + /** + * This method is like `_.zip` except that it accepts an array of grouped + * elements and creates an array regrouping the elements to their pre-zip + * configuration. + * + * @static + * @memberOf _ + * @since 1.2.0 + * @category Array + * @param {Array} array The array of grouped elements to process. + * @returns {Array} Returns the new array of regrouped elements. + * @example + * + * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]); + * // => [['a', 1, true], ['b', 2, false]] + * + * _.unzip(zipped); + * // => [['a', 'b'], [1, 2], [true, false]] + */ + function unzip(array) { + if (!(array && array.length)) { + return []; + } + var length = 0; + array = arrayFilter(array, function(group) { + if (isArrayLikeObject(group)) { + length = nativeMax(group.length, length); + return true; + } + }); + return baseTimes(length, function(index) { + return arrayMap(array, baseProperty(index)); + }); + } + + /** + * This method is like `_.unzip` except that it accepts `iteratee` to specify + * how regrouped values should be combined. The iteratee is invoked with the + * elements of each group: (...group). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Array + * @param {Array} array The array of grouped elements to process. + * @param {Function} [iteratee=_.identity] The function to combine + * regrouped values. + * @returns {Array} Returns the new array of regrouped elements. + * @example + * + * var zipped = _.zip([1, 2], [10, 20], [100, 200]); + * // => [[1, 10, 100], [2, 20, 200]] + * + * _.unzipWith(zipped, _.add); + * // => [3, 30, 300] + */ + function unzipWith(array, iteratee) { + if (!(array && array.length)) { + return []; + } + var result = unzip(array); + if (iteratee == null) { + return result; + } + return arrayMap(result, function(group) { + return apply(iteratee, undefined$1, group); + }); + } + + /** + * Creates an array excluding all given values using + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * **Note:** Unlike `_.pull`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {Array} array The array to inspect. + * @param {...*} [values] The values to exclude. + * @returns {Array} Returns the new array of filtered values. + * @see _.difference, _.xor + * @example + * + * _.without([2, 1, 2, 3], 1, 2); + * // => [3] + */ + var without = baseRest(function(array, values) { + return isArrayLikeObject(array) + ? baseDifference(array, values) + : []; + }); + + /** + * Creates an array of unique values that is the + * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference) + * of the given arrays. The order of result values is determined by the order + * they occur in the arrays. + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @returns {Array} Returns the new array of filtered values. + * @see _.difference, _.without + * @example + * + * _.xor([2, 1], [2, 3]); + * // => [1, 3] + */ + var xor = baseRest(function(arrays) { + return baseXor(arrayFilter(arrays, isArrayLikeObject)); + }); + + /** + * This method is like `_.xor` except that it accepts `iteratee` which is + * invoked for each element of each `arrays` to generate the criterion by + * which by which they're compared. The order of result values is determined + * by the order they occur in the arrays. The iteratee is invoked with one + * argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor); + * // => [1.2, 3.4] + * + * // The `_.property` iteratee shorthand. + * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); + * // => [{ 'x': 2 }] + */ + var xorBy = baseRest(function(arrays) { + var iteratee = last(arrays); + if (isArrayLikeObject(iteratee)) { + iteratee = undefined$1; + } + return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2)); + }); + + /** + * This method is like `_.xor` except that it accepts `comparator` which is + * invoked to compare elements of `arrays`. The order of result values is + * determined by the order they occur in the arrays. The comparator is invoked + * with two arguments: (arrVal, othVal). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Array + * @param {...Array} [arrays] The arrays to inspect. + * @param {Function} [comparator] The comparator invoked per element. + * @returns {Array} Returns the new array of filtered values. + * @example + * + * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; + * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; + * + * _.xorWith(objects, others, _.isEqual); + * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] + */ + var xorWith = baseRest(function(arrays) { + var comparator = last(arrays); + comparator = typeof comparator == 'function' ? comparator : undefined$1; + return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined$1, comparator); + }); + + /** + * Creates an array of grouped elements, the first of which contains the + * first elements of the given arrays, the second of which contains the + * second elements of the given arrays, and so on. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Array + * @param {...Array} [arrays] The arrays to process. + * @returns {Array} Returns the new array of grouped elements. + * @example + * + * _.zip(['a', 'b'], [1, 2], [true, false]); + * // => [['a', 1, true], ['b', 2, false]] + */ + var zip = baseRest(unzip); + + /** + * This method is like `_.fromPairs` except that it accepts two arrays, + * one of property identifiers and one of corresponding values. + * + * @static + * @memberOf _ + * @since 0.4.0 + * @category Array + * @param {Array} [props=[]] The property identifiers. + * @param {Array} [values=[]] The property values. + * @returns {Object} Returns the new object. + * @example + * + * _.zipObject(['a', 'b'], [1, 2]); + * // => { 'a': 1, 'b': 2 } + */ + function zipObject(props, values) { + return baseZipObject(props || [], values || [], assignValue); + } + + /** + * This method is like `_.zipObject` except that it supports property paths. + * + * @static + * @memberOf _ + * @since 4.1.0 + * @category Array + * @param {Array} [props=[]] The property identifiers. + * @param {Array} [values=[]] The property values. + * @returns {Object} Returns the new object. + * @example + * + * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]); + * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } } + */ + function zipObjectDeep(props, values) { + return baseZipObject(props || [], values || [], baseSet); + } + + /** + * This method is like `_.zip` except that it accepts `iteratee` to specify + * how grouped values should be combined. The iteratee is invoked with the + * elements of each group: (...group). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Array + * @param {...Array} [arrays] The arrays to process. + * @param {Function} [iteratee=_.identity] The function to combine + * grouped values. + * @returns {Array} Returns the new array of grouped elements. + * @example + * + * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) { + * return a + b + c; + * }); + * // => [111, 222] + */ + var zipWith = baseRest(function(arrays) { + var length = arrays.length, + iteratee = length > 1 ? arrays[length - 1] : undefined$1; + + iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined$1; + return unzipWith(arrays, iteratee); + }); + + /*------------------------------------------------------------------------*/ + + /** + * Creates a `lodash` wrapper instance that wraps `value` with explicit method + * chain sequences enabled. The result of such sequences must be unwrapped + * with `_#value`. + * + * @static + * @memberOf _ + * @since 1.3.0 + * @category Seq + * @param {*} value The value to wrap. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36 }, + * { 'user': 'fred', 'age': 40 }, + * { 'user': 'pebbles', 'age': 1 } + * ]; + * + * var youngest = _ + * .chain(users) + * .sortBy('age') + * .map(function(o) { + * return o.user + ' is ' + o.age; + * }) + * .head() + * .value(); + * // => 'pebbles is 1' + */ + function chain(value) { + var result = lodash(value); + result.__chain__ = true; + return result; + } + + /** + * This method invokes `interceptor` and returns `value`. The interceptor + * is invoked with one argument; (value). The purpose of this method is to + * "tap into" a method chain sequence in order to modify intermediate results. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Seq + * @param {*} value The value to provide to `interceptor`. + * @param {Function} interceptor The function to invoke. + * @returns {*} Returns `value`. + * @example + * + * _([1, 2, 3]) + * .tap(function(array) { + * // Mutate input array. + * array.pop(); + * }) + * .reverse() + * .value(); + * // => [2, 1] + */ + function tap(value, interceptor) { + interceptor(value); + return value; + } + + /** + * This method is like `_.tap` except that it returns the result of `interceptor`. + * The purpose of this method is to "pass thru" values replacing intermediate + * results in a method chain sequence. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Seq + * @param {*} value The value to provide to `interceptor`. + * @param {Function} interceptor The function to invoke. + * @returns {*} Returns the result of `interceptor`. + * @example + * + * _(' abc ') + * .chain() + * .trim() + * .thru(function(value) { + * return [value]; + * }) + * .value(); + * // => ['abc'] + */ + function thru(value, interceptor) { + return interceptor(value); + } + + /** + * This method is the wrapper version of `_.at`. + * + * @name at + * @memberOf _ + * @since 1.0.0 + * @category Seq + * @param {...(string|string[])} [paths] The property paths to pick. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; + * + * _(object).at(['a[0].b.c', 'a[1]']).value(); + * // => [3, 4] + */ + var wrapperAt = flatRest(function(paths) { + var length = paths.length, + start = length ? paths[0] : 0, + value = this.__wrapped__, + interceptor = function(object) { return baseAt(object, paths); }; + + if (length > 1 || this.__actions__.length || + !(value instanceof LazyWrapper) || !isIndex(start)) { + return this.thru(interceptor); + } + value = value.slice(start, +start + (length ? 1 : 0)); + value.__actions__.push({ + 'func': thru, + 'args': [interceptor], + 'thisArg': undefined$1 + }); + return new LodashWrapper(value, this.__chain__).thru(function(array) { + if (length && !array.length) { + array.push(undefined$1); + } + return array; + }); + }); + + /** + * Creates a `lodash` wrapper instance with explicit method chain sequences enabled. + * + * @name chain + * @memberOf _ + * @since 0.1.0 + * @category Seq + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36 }, + * { 'user': 'fred', 'age': 40 } + * ]; + * + * // A sequence without explicit chaining. + * _(users).head(); + * // => { 'user': 'barney', 'age': 36 } + * + * // A sequence with explicit chaining. + * _(users) + * .chain() + * .head() + * .pick('user') + * .value(); + * // => { 'user': 'barney' } + */ + function wrapperChain() { + return chain(this); + } + + /** + * Executes the chain sequence and returns the wrapped result. + * + * @name commit + * @memberOf _ + * @since 3.2.0 + * @category Seq + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var array = [1, 2]; + * var wrapped = _(array).push(3); + * + * console.log(array); + * // => [1, 2] + * + * wrapped = wrapped.commit(); + * console.log(array); + * // => [1, 2, 3] + * + * wrapped.last(); + * // => 3 + * + * console.log(array); + * // => [1, 2, 3] + */ + function wrapperCommit() { + return new LodashWrapper(this.value(), this.__chain__); + } + + /** + * Gets the next value on a wrapped object following the + * [iterator protocol](https://mdn.io/iteration_protocols#iterator). + * + * @name next + * @memberOf _ + * @since 4.0.0 + * @category Seq + * @returns {Object} Returns the next iterator value. + * @example + * + * var wrapped = _([1, 2]); + * + * wrapped.next(); + * // => { 'done': false, 'value': 1 } + * + * wrapped.next(); + * // => { 'done': false, 'value': 2 } + * + * wrapped.next(); + * // => { 'done': true, 'value': undefined } + */ + function wrapperNext() { + if (this.__values__ === undefined$1) { + this.__values__ = toArray(this.value()); + } + var done = this.__index__ >= this.__values__.length, + value = done ? undefined$1 : this.__values__[this.__index__++]; + + return { 'done': done, 'value': value }; + } + + /** + * Enables the wrapper to be iterable. + * + * @name Symbol.iterator + * @memberOf _ + * @since 4.0.0 + * @category Seq + * @returns {Object} Returns the wrapper object. + * @example + * + * var wrapped = _([1, 2]); + * + * wrapped[Symbol.iterator]() === wrapped; + * // => true + * + * Array.from(wrapped); + * // => [1, 2] + */ + function wrapperToIterator() { + return this; + } + + /** + * Creates a clone of the chain sequence planting `value` as the wrapped value. + * + * @name plant + * @memberOf _ + * @since 3.2.0 + * @category Seq + * @param {*} value The value to plant. + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * function square(n) { + * return n * n; + * } + * + * var wrapped = _([1, 2]).map(square); + * var other = wrapped.plant([3, 4]); + * + * other.value(); + * // => [9, 16] + * + * wrapped.value(); + * // => [1, 4] + */ + function wrapperPlant(value) { + var result, + parent = this; + + while (parent instanceof baseLodash) { + var clone = wrapperClone(parent); + clone.__index__ = 0; + clone.__values__ = undefined$1; + if (result) { + previous.__wrapped__ = clone; + } else { + result = clone; + } + var previous = clone; + parent = parent.__wrapped__; + } + previous.__wrapped__ = value; + return result; + } + + /** + * This method is the wrapper version of `_.reverse`. + * + * **Note:** This method mutates the wrapped array. + * + * @name reverse + * @memberOf _ + * @since 0.1.0 + * @category Seq + * @returns {Object} Returns the new `lodash` wrapper instance. + * @example + * + * var array = [1, 2, 3]; + * + * _(array).reverse().value() + * // => [3, 2, 1] + * + * console.log(array); + * // => [3, 2, 1] + */ + function wrapperReverse() { + var value = this.__wrapped__; + if (value instanceof LazyWrapper) { + var wrapped = value; + if (this.__actions__.length) { + wrapped = new LazyWrapper(this); + } + wrapped = wrapped.reverse(); + wrapped.__actions__.push({ + 'func': thru, + 'args': [reverse], + 'thisArg': undefined$1 + }); + return new LodashWrapper(wrapped, this.__chain__); + } + return this.thru(reverse); + } + + /** + * Executes the chain sequence to resolve the unwrapped value. + * + * @name value + * @memberOf _ + * @since 0.1.0 + * @alias toJSON, valueOf + * @category Seq + * @returns {*} Returns the resolved unwrapped value. + * @example + * + * _([1, 2, 3]).value(); + * // => [1, 2, 3] + */ + function wrapperValue() { + return baseWrapperValue(this.__wrapped__, this.__actions__); + } + + /*------------------------------------------------------------------------*/ + + /** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The corresponding value of + * each key is the number of times the key was returned by `iteratee`. The + * iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * _.countBy([6.1, 4.2, 6.3], Math.floor); + * // => { '4': 1, '6': 2 } + * + * // The `_.property` iteratee shorthand. + * _.countBy(['one', 'two', 'three'], 'length'); + * // => { '3': 2, '5': 1 } + */ + var countBy = createAggregator(function(result, value, key) { + if (hasOwnProperty.call(result, key)) { + ++result[key]; + } else { + baseAssignValue(result, key, 1); + } + }); + + /** + * Checks if `predicate` returns truthy for **all** elements of `collection`. + * Iteration is stopped once `predicate` returns falsey. The predicate is + * invoked with three arguments: (value, index|key, collection). + * + * **Note:** This method returns `true` for + * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because + * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of + * elements of empty collections. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {boolean} Returns `true` if all elements pass the predicate check, + * else `false`. + * @example + * + * _.every([true, 1, null, 'yes'], Boolean); + * // => false + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': false }, + * { 'user': 'fred', 'age': 40, 'active': false } + * ]; + * + * // The `_.matches` iteratee shorthand. + * _.every(users, { 'user': 'barney', 'active': false }); + * // => false + * + * // The `_.matchesProperty` iteratee shorthand. + * _.every(users, ['active', false]); + * // => true + * + * // The `_.property` iteratee shorthand. + * _.every(users, 'active'); + * // => false + */ + function every(collection, predicate, guard) { + var func = isArray(collection) ? arrayEvery : baseEvery; + if (guard && isIterateeCall(collection, predicate, guard)) { + predicate = undefined$1; + } + return func(collection, getIteratee(predicate, 3)); + } + + /** + * Iterates over elements of `collection`, returning an array of all elements + * `predicate` returns truthy for. The predicate is invoked with three + * arguments: (value, index|key, collection). + * + * **Note:** Unlike `_.remove`, this method returns a new array. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new filtered array. + * @see _.reject + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': true }, + * { 'user': 'fred', 'age': 40, 'active': false } + * ]; + * + * _.filter(users, function(o) { return !o.active; }); + * // => objects for ['fred'] + * + * // The `_.matches` iteratee shorthand. + * _.filter(users, { 'age': 36, 'active': true }); + * // => objects for ['barney'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.filter(users, ['active', false]); + * // => objects for ['fred'] + * + * // The `_.property` iteratee shorthand. + * _.filter(users, 'active'); + * // => objects for ['barney'] + * + * // Combining several predicates using `_.overEvery` or `_.overSome`. + * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]])); + * // => objects for ['fred', 'barney'] + */ + function filter(collection, predicate) { + var func = isArray(collection) ? arrayFilter : baseFilter; + return func(collection, getIteratee(predicate, 3)); + } + + /** + * Iterates over elements of `collection`, returning the first element + * `predicate` returns truthy for. The predicate is invoked with three + * arguments: (value, index|key, collection). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=0] The index to search from. + * @returns {*} Returns the matched element, else `undefined`. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': true }, + * { 'user': 'fred', 'age': 40, 'active': false }, + * { 'user': 'pebbles', 'age': 1, 'active': true } + * ]; + * + * _.find(users, function(o) { return o.age < 40; }); + * // => object for 'barney' + * + * // The `_.matches` iteratee shorthand. + * _.find(users, { 'age': 1, 'active': true }); + * // => object for 'pebbles' + * + * // The `_.matchesProperty` iteratee shorthand. + * _.find(users, ['active', false]); + * // => object for 'fred' + * + * // The `_.property` iteratee shorthand. + * _.find(users, 'active'); + * // => object for 'barney' + */ + var find = createFind(findIndex); + + /** + * This method is like `_.find` except that it iterates over elements of + * `collection` from right to left. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Collection + * @param {Array|Object} collection The collection to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param {number} [fromIndex=collection.length-1] The index to search from. + * @returns {*} Returns the matched element, else `undefined`. + * @example + * + * _.findLast([1, 2, 3, 4], function(n) { + * return n % 2 == 1; + * }); + * // => 3 + */ + var findLast = createFind(findLastIndex); + + /** + * Creates a flattened array of values by running each element in `collection` + * thru `iteratee` and flattening the mapped results. The iteratee is invoked + * with three arguments: (value, index|key, collection). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new flattened array. + * @example + * + * function duplicate(n) { + * return [n, n]; + * } + * + * _.flatMap([1, 2], duplicate); + * // => [1, 1, 2, 2] + */ + function flatMap(collection, iteratee) { + return baseFlatten(map(collection, iteratee), 1); + } + + /** + * This method is like `_.flatMap` except that it recursively flattens the + * mapped results. + * + * @static + * @memberOf _ + * @since 4.7.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new flattened array. + * @example + * + * function duplicate(n) { + * return [[[n, n]]]; + * } + * + * _.flatMapDeep([1, 2], duplicate); + * // => [1, 1, 2, 2] + */ + function flatMapDeep(collection, iteratee) { + return baseFlatten(map(collection, iteratee), INFINITY); + } + + /** + * This method is like `_.flatMap` except that it recursively flattens the + * mapped results up to `depth` times. + * + * @static + * @memberOf _ + * @since 4.7.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {number} [depth=1] The maximum recursion depth. + * @returns {Array} Returns the new flattened array. + * @example + * + * function duplicate(n) { + * return [[[n, n]]]; + * } + * + * _.flatMapDepth([1, 2], duplicate, 2); + * // => [[1, 1], [2, 2]] + */ + function flatMapDepth(collection, iteratee, depth) { + depth = depth === undefined$1 ? 1 : toInteger(depth); + return baseFlatten(map(collection, iteratee), depth); + } + + /** + * Iterates over elements of `collection` and invokes `iteratee` for each element. + * The iteratee is invoked with three arguments: (value, index|key, collection). + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * **Note:** As with other "Collections" methods, objects with a "length" + * property are iterated like arrays. To avoid this behavior use `_.forIn` + * or `_.forOwn` for object iteration. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @alias each + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array|Object} Returns `collection`. + * @see _.forEachRight + * @example + * + * _.forEach([1, 2], function(value) { + * console.log(value); + * }); + * // => Logs `1` then `2`. + * + * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) { + * console.log(key); + * }); + * // => Logs 'a' then 'b' (iteration order is not guaranteed). + */ + function forEach(collection, iteratee) { + var func = isArray(collection) ? arrayEach : baseEach; + return func(collection, getIteratee(iteratee, 3)); + } + + /** + * This method is like `_.forEach` except that it iterates over elements of + * `collection` from right to left. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @alias eachRight + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array|Object} Returns `collection`. + * @see _.forEach + * @example + * + * _.forEachRight([1, 2], function(value) { + * console.log(value); + * }); + * // => Logs `2` then `1`. + */ + function forEachRight(collection, iteratee) { + var func = isArray(collection) ? arrayEachRight : baseEachRight; + return func(collection, getIteratee(iteratee, 3)); + } + + /** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The order of grouped values + * is determined by the order they occur in `collection`. The corresponding + * value of each key is an array of elements responsible for generating the + * key. The iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * _.groupBy([6.1, 4.2, 6.3], Math.floor); + * // => { '4': [4.2], '6': [6.1, 6.3] } + * + * // The `_.property` iteratee shorthand. + * _.groupBy(['one', 'two', 'three'], 'length'); + * // => { '3': ['one', 'two'], '5': ['three'] } + */ + var groupBy = createAggregator(function(result, value, key) { + if (hasOwnProperty.call(result, key)) { + result[key].push(value); + } else { + baseAssignValue(result, key, [value]); + } + }); + + /** + * Checks if `value` is in `collection`. If `collection` is a string, it's + * checked for a substring of `value`, otherwise + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * is used for equality comparisons. If `fromIndex` is negative, it's used as + * the offset from the end of `collection`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object|string} collection The collection to inspect. + * @param {*} value The value to search for. + * @param {number} [fromIndex=0] The index to search from. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. + * @returns {boolean} Returns `true` if `value` is found, else `false`. + * @example + * + * _.includes([1, 2, 3], 1); + * // => true + * + * _.includes([1, 2, 3], 1, 2); + * // => false + * + * _.includes({ 'a': 1, 'b': 2 }, 1); + * // => true + * + * _.includes('abcd', 'bc'); + * // => true + */ + function includes(collection, value, fromIndex, guard) { + collection = isArrayLike(collection) ? collection : values(collection); + fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0; + + var length = collection.length; + if (fromIndex < 0) { + fromIndex = nativeMax(length + fromIndex, 0); + } + return isString(collection) + ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1) + : (!!length && baseIndexOf(collection, value, fromIndex) > -1); + } + + /** + * Invokes the method at `path` of each element in `collection`, returning + * an array of the results of each invoked method. Any additional arguments + * are provided to each invoked method. If `path` is a function, it's invoked + * for, and `this` bound to, each element in `collection`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Array|Function|string} path The path of the method to invoke or + * the function invoked per iteration. + * @param {...*} [args] The arguments to invoke each method with. + * @returns {Array} Returns the array of results. + * @example + * + * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort'); + * // => [[1, 5, 7], [1, 2, 3]] + * + * _.invokeMap([123, 456], String.prototype.split, ''); + * // => [['1', '2', '3'], ['4', '5', '6']] + */ + var invokeMap = baseRest(function(collection, path, args) { + var index = -1, + isFunc = typeof path == 'function', + result = isArrayLike(collection) ? Array(collection.length) : []; + + baseEach(collection, function(value) { + result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args); + }); + return result; + }); + + /** + * Creates an object composed of keys generated from the results of running + * each element of `collection` thru `iteratee`. The corresponding value of + * each key is the last element responsible for generating the key. The + * iteratee is invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The iteratee to transform keys. + * @returns {Object} Returns the composed aggregate object. + * @example + * + * var array = [ + * { 'dir': 'left', 'code': 97 }, + * { 'dir': 'right', 'code': 100 } + * ]; + * + * _.keyBy(array, function(o) { + * return String.fromCharCode(o.code); + * }); + * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } + * + * _.keyBy(array, 'dir'); + * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } + */ + var keyBy = createAggregator(function(result, value, key) { + baseAssignValue(result, key, value); + }); + + /** + * Creates an array of values by running each element in `collection` thru + * `iteratee`. The iteratee is invoked with three arguments: + * (value, index|key, collection). + * + * Many lodash methods are guarded to work as iteratees for methods like + * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`. + * + * The guarded methods are: + * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`, + * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`, + * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`, + * `template`, `trim`, `trimEnd`, `trimStart`, and `words` + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new mapped array. + * @example + * + * function square(n) { + * return n * n; + * } + * + * _.map([4, 8], square); + * // => [16, 64] + * + * _.map({ 'a': 4, 'b': 8 }, square); + * // => [16, 64] (iteration order is not guaranteed) + * + * var users = [ + * { 'user': 'barney' }, + * { 'user': 'fred' } + * ]; + * + * // The `_.property` iteratee shorthand. + * _.map(users, 'user'); + * // => ['barney', 'fred'] + */ + function map(collection, iteratee) { + var func = isArray(collection) ? arrayMap : baseMap; + return func(collection, getIteratee(iteratee, 3)); + } + + /** + * This method is like `_.sortBy` except that it allows specifying the sort + * orders of the iteratees to sort by. If `orders` is unspecified, all values + * are sorted in ascending order. Otherwise, specify an order of "desc" for + * descending or "asc" for ascending sort order of corresponding values. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]] + * The iteratees to sort by. + * @param {string[]} [orders] The sort orders of `iteratees`. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. + * @returns {Array} Returns the new sorted array. + * @example + * + * var users = [ + * { 'user': 'fred', 'age': 48 }, + * { 'user': 'barney', 'age': 34 }, + * { 'user': 'fred', 'age': 40 }, + * { 'user': 'barney', 'age': 36 } + * ]; + * + * // Sort by `user` in ascending order and by `age` in descending order. + * _.orderBy(users, ['user', 'age'], ['asc', 'desc']); + * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]] + */ + function orderBy(collection, iteratees, orders, guard) { + if (collection == null) { + return []; + } + if (!isArray(iteratees)) { + iteratees = iteratees == null ? [] : [iteratees]; + } + orders = guard ? undefined$1 : orders; + if (!isArray(orders)) { + orders = orders == null ? [] : [orders]; + } + return baseOrderBy(collection, iteratees, orders); + } + + /** + * Creates an array of elements split into two groups, the first of which + * contains elements `predicate` returns truthy for, the second of which + * contains elements `predicate` returns falsey for. The predicate is + * invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the array of grouped elements. + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': false }, + * { 'user': 'fred', 'age': 40, 'active': true }, + * { 'user': 'pebbles', 'age': 1, 'active': false } + * ]; + * + * _.partition(users, function(o) { return o.active; }); + * // => objects for [['fred'], ['barney', 'pebbles']] + * + * // The `_.matches` iteratee shorthand. + * _.partition(users, { 'age': 1, 'active': false }); + * // => objects for [['pebbles'], ['barney', 'fred']] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.partition(users, ['active', false]); + * // => objects for [['barney', 'pebbles'], ['fred']] + * + * // The `_.property` iteratee shorthand. + * _.partition(users, 'active'); + * // => objects for [['fred'], ['barney', 'pebbles']] + */ + var partition = createAggregator(function(result, value, key) { + result[key ? 0 : 1].push(value); + }, function() { return [[], []]; }); + + /** + * Reduces `collection` to a value which is the accumulated result of running + * each element in `collection` thru `iteratee`, where each successive + * invocation is supplied the return value of the previous. If `accumulator` + * is not given, the first element of `collection` is used as the initial + * value. The iteratee is invoked with four arguments: + * (accumulator, value, index|key, collection). + * + * Many lodash methods are guarded to work as iteratees for methods like + * `_.reduce`, `_.reduceRight`, and `_.transform`. + * + * The guarded methods are: + * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`, + * and `sortBy` + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {*} [accumulator] The initial value. + * @returns {*} Returns the accumulated value. + * @see _.reduceRight + * @example + * + * _.reduce([1, 2], function(sum, n) { + * return sum + n; + * }, 0); + * // => 3 + * + * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { + * (result[value] || (result[value] = [])).push(key); + * return result; + * }, {}); + * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed) + */ + function reduce(collection, iteratee, accumulator) { + var func = isArray(collection) ? arrayReduce : baseReduce, + initAccum = arguments.length < 3; + + return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach); + } + + /** + * This method is like `_.reduce` except that it iterates over elements of + * `collection` from right to left. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {*} [accumulator] The initial value. + * @returns {*} Returns the accumulated value. + * @see _.reduce + * @example + * + * var array = [[0, 1], [2, 3], [4, 5]]; + * + * _.reduceRight(array, function(flattened, other) { + * return flattened.concat(other); + * }, []); + * // => [4, 5, 2, 3, 0, 1] + */ + function reduceRight(collection, iteratee, accumulator) { + var func = isArray(collection) ? arrayReduceRight : baseReduce, + initAccum = arguments.length < 3; + + return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight); + } + + /** + * The opposite of `_.filter`; this method returns the elements of `collection` + * that `predicate` does **not** return truthy for. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {Array} Returns the new filtered array. + * @see _.filter + * @example + * + * var users = [ + * { 'user': 'barney', 'age': 36, 'active': false }, + * { 'user': 'fred', 'age': 40, 'active': true } + * ]; + * + * _.reject(users, function(o) { return !o.active; }); + * // => objects for ['fred'] + * + * // The `_.matches` iteratee shorthand. + * _.reject(users, { 'age': 40, 'active': true }); + * // => objects for ['barney'] + * + * // The `_.matchesProperty` iteratee shorthand. + * _.reject(users, ['active', false]); + * // => objects for ['fred'] + * + * // The `_.property` iteratee shorthand. + * _.reject(users, 'active'); + * // => objects for ['barney'] + */ + function reject(collection, predicate) { + var func = isArray(collection) ? arrayFilter : baseFilter; + return func(collection, negate(getIteratee(predicate, 3))); + } + + /** + * Gets a random element from `collection`. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Collection + * @param {Array|Object} collection The collection to sample. + * @returns {*} Returns the random element. + * @example + * + * _.sample([1, 2, 3, 4]); + * // => 2 + */ + function sample(collection) { + var func = isArray(collection) ? arraySample : baseSample; + return func(collection); + } + + /** + * Gets `n` random elements at unique keys from `collection` up to the + * size of `collection`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Collection + * @param {Array|Object} collection The collection to sample. + * @param {number} [n=1] The number of elements to sample. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Array} Returns the random elements. + * @example + * + * _.sampleSize([1, 2, 3], 2); + * // => [3, 1] + * + * _.sampleSize([1, 2, 3], 4); + * // => [2, 3, 1] + */ + function sampleSize(collection, n, guard) { + if ((guard ? isIterateeCall(collection, n, guard) : n === undefined$1)) { + n = 1; + } else { + n = toInteger(n); + } + var func = isArray(collection) ? arraySampleSize : baseSampleSize; + return func(collection, n); + } + + /** + * Creates an array of shuffled values, using a version of the + * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to shuffle. + * @returns {Array} Returns the new shuffled array. + * @example + * + * _.shuffle([1, 2, 3, 4]); + * // => [4, 1, 3, 2] + */ + function shuffle(collection) { + var func = isArray(collection) ? arrayShuffle : baseShuffle; + return func(collection); + } + + /** + * Gets the size of `collection` by returning its length for array-like + * values or the number of own enumerable string keyed properties for objects. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object|string} collection The collection to inspect. + * @returns {number} Returns the collection size. + * @example + * + * _.size([1, 2, 3]); + * // => 3 + * + * _.size({ 'a': 1, 'b': 2 }); + * // => 2 + * + * _.size('pebbles'); + * // => 7 + */ + function size(collection) { + if (collection == null) { + return 0; + } + if (isArrayLike(collection)) { + return isString(collection) ? stringSize(collection) : collection.length; + } + var tag = getTag(collection); + if (tag == mapTag || tag == setTag) { + return collection.size; + } + return baseKeys(collection).length; + } + + /** + * Checks if `predicate` returns truthy for **any** element of `collection`. + * Iteration is stopped once `predicate` returns truthy. The predicate is + * invoked with three arguments: (value, index|key, collection). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {boolean} Returns `true` if any element passes the predicate check, + * else `false`. + * @example + * + * _.some([null, 0, 'yes', false], Boolean); + * // => true + * + * var users = [ + * { 'user': 'barney', 'active': true }, + * { 'user': 'fred', 'active': false } + * ]; + * + * // The `_.matches` iteratee shorthand. + * _.some(users, { 'user': 'barney', 'active': false }); + * // => false + * + * // The `_.matchesProperty` iteratee shorthand. + * _.some(users, ['active', false]); + * // => true + * + * // The `_.property` iteratee shorthand. + * _.some(users, 'active'); + * // => true + */ + function some(collection, predicate, guard) { + var func = isArray(collection) ? arraySome : baseSome; + if (guard && isIterateeCall(collection, predicate, guard)) { + predicate = undefined$1; + } + return func(collection, getIteratee(predicate, 3)); + } + + /** + * Creates an array of elements, sorted in ascending order by the results of + * running each element in a collection thru each iteratee. This method + * performs a stable sort, that is, it preserves the original sort order of + * equal elements. The iteratees are invoked with one argument: (value). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Collection + * @param {Array|Object} collection The collection to iterate over. + * @param {...(Function|Function[])} [iteratees=[_.identity]] + * The iteratees to sort by. + * @returns {Array} Returns the new sorted array. + * @example + * + * var users = [ + * { 'user': 'fred', 'age': 48 }, + * { 'user': 'barney', 'age': 36 }, + * { 'user': 'fred', 'age': 30 }, + * { 'user': 'barney', 'age': 34 } + * ]; + * + * _.sortBy(users, [function(o) { return o.user; }]); + * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]] + * + * _.sortBy(users, ['user', 'age']); + * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]] + */ + var sortBy = baseRest(function(collection, iteratees) { + if (collection == null) { + return []; + } + var length = iteratees.length; + if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) { + iteratees = []; + } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) { + iteratees = [iteratees[0]]; + } + return baseOrderBy(collection, baseFlatten(iteratees, 1), []); + }); + + /*------------------------------------------------------------------------*/ + + /** + * Gets the timestamp of the number of milliseconds that have elapsed since + * the Unix epoch (1 January 1970 00:00:00 UTC). + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Date + * @returns {number} Returns the timestamp. + * @example + * + * _.defer(function(stamp) { + * console.log(_.now() - stamp); + * }, _.now()); + * // => Logs the number of milliseconds it took for the deferred invocation. + */ + var now = ctxNow || function() { + return root.Date.now(); + }; + + /*------------------------------------------------------------------------*/ + + /** + * The opposite of `_.before`; this method creates a function that invokes + * `func` once it's called `n` or more times. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {number} n The number of calls before `func` is invoked. + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * var saves = ['profile', 'settings']; + * + * var done = _.after(saves.length, function() { + * console.log('done saving!'); + * }); + * + * _.forEach(saves, function(type) { + * asyncSave({ 'type': type, 'complete': done }); + * }); + * // => Logs 'done saving!' after the two async saves have completed. + */ + function after(n, func) { + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + n = toInteger(n); + return function() { + if (--n < 1) { + return func.apply(this, arguments); + } + }; + } + + /** + * Creates a function that invokes `func`, with up to `n` arguments, + * ignoring any additional arguments. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} func The function to cap arguments for. + * @param {number} [n=func.length] The arity cap. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the new capped function. + * @example + * + * _.map(['6', '8', '10'], _.ary(parseInt, 1)); + * // => [6, 8, 10] + */ + function ary(func, n, guard) { + n = guard ? undefined$1 : n; + n = (func && n == null) ? func.length : n; + return createWrap(func, WRAP_ARY_FLAG, undefined$1, undefined$1, undefined$1, undefined$1, n); + } + + /** + * Creates a function that invokes `func`, with the `this` binding and arguments + * of the created function, while it's called less than `n` times. Subsequent + * calls to the created function return the result of the last `func` invocation. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {number} n The number of calls at which `func` is no longer invoked. + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * jQuery(element).on('click', _.before(5, addContactToList)); + * // => Allows adding up to 4 contacts to the list. + */ + function before(n, func) { + var result; + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + n = toInteger(n); + return function() { + if (--n > 0) { + result = func.apply(this, arguments); + } + if (n <= 1) { + func = undefined$1; + } + return result; + }; + } + + /** + * Creates a function that invokes `func` with the `this` binding of `thisArg` + * and `partials` prepended to the arguments it receives. + * + * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds, + * may be used as a placeholder for partially applied arguments. + * + * **Note:** Unlike native `Function#bind`, this method doesn't set the "length" + * property of bound functions. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to bind. + * @param {*} thisArg The `this` binding of `func`. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new bound function. + * @example + * + * function greet(greeting, punctuation) { + * return greeting + ' ' + this.user + punctuation; + * } + * + * var object = { 'user': 'fred' }; + * + * var bound = _.bind(greet, object, 'hi'); + * bound('!'); + * // => 'hi fred!' + * + * // Bound with placeholders. + * var bound = _.bind(greet, object, _, '!'); + * bound('hi'); + * // => 'hi fred!' + */ + var bind = baseRest(function(func, thisArg, partials) { + var bitmask = WRAP_BIND_FLAG; + if (partials.length) { + var holders = replaceHolders(partials, getHolder(bind)); + bitmask |= WRAP_PARTIAL_FLAG; + } + return createWrap(func, bitmask, thisArg, partials, holders); + }); + + /** + * Creates a function that invokes the method at `object[key]` with `partials` + * prepended to the arguments it receives. + * + * This method differs from `_.bind` by allowing bound functions to reference + * methods that may be redefined or don't yet exist. See + * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern) + * for more details. + * + * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for partially applied arguments. + * + * @static + * @memberOf _ + * @since 0.10.0 + * @category Function + * @param {Object} object The object to invoke the method on. + * @param {string} key The key of the method. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new bound function. + * @example + * + * var object = { + * 'user': 'fred', + * 'greet': function(greeting, punctuation) { + * return greeting + ' ' + this.user + punctuation; + * } + * }; + * + * var bound = _.bindKey(object, 'greet', 'hi'); + * bound('!'); + * // => 'hi fred!' + * + * object.greet = function(greeting, punctuation) { + * return greeting + 'ya ' + this.user + punctuation; + * }; + * + * bound('!'); + * // => 'hiya fred!' + * + * // Bound with placeholders. + * var bound = _.bindKey(object, 'greet', _, '!'); + * bound('hi'); + * // => 'hiya fred!' + */ + var bindKey = baseRest(function(object, key, partials) { + var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG; + if (partials.length) { + var holders = replaceHolders(partials, getHolder(bindKey)); + bitmask |= WRAP_PARTIAL_FLAG; + } + return createWrap(key, bitmask, object, partials, holders); + }); + + /** + * Creates a function that accepts arguments of `func` and either invokes + * `func` returning its result, if at least `arity` number of arguments have + * been provided, or returns a function that accepts the remaining `func` + * arguments, and so on. The arity of `func` may be specified if `func.length` + * is not sufficient. + * + * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds, + * may be used as a placeholder for provided arguments. + * + * **Note:** This method doesn't set the "length" property of curried functions. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Function + * @param {Function} func The function to curry. + * @param {number} [arity=func.length] The arity of `func`. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the new curried function. + * @example + * + * var abc = function(a, b, c) { + * return [a, b, c]; + * }; + * + * var curried = _.curry(abc); + * + * curried(1)(2)(3); + * // => [1, 2, 3] + * + * curried(1, 2)(3); + * // => [1, 2, 3] + * + * curried(1, 2, 3); + * // => [1, 2, 3] + * + * // Curried with placeholders. + * curried(1)(_, 3)(2); + * // => [1, 2, 3] + */ + function curry(func, arity, guard) { + arity = guard ? undefined$1 : arity; + var result = createWrap(func, WRAP_CURRY_FLAG, undefined$1, undefined$1, undefined$1, undefined$1, undefined$1, arity); + result.placeholder = curry.placeholder; + return result; + } + + /** + * This method is like `_.curry` except that arguments are applied to `func` + * in the manner of `_.partialRight` instead of `_.partial`. + * + * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for provided arguments. + * + * **Note:** This method doesn't set the "length" property of curried functions. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} func The function to curry. + * @param {number} [arity=func.length] The arity of `func`. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the new curried function. + * @example + * + * var abc = function(a, b, c) { + * return [a, b, c]; + * }; + * + * var curried = _.curryRight(abc); + * + * curried(3)(2)(1); + * // => [1, 2, 3] + * + * curried(2, 3)(1); + * // => [1, 2, 3] + * + * curried(1, 2, 3); + * // => [1, 2, 3] + * + * // Curried with placeholders. + * curried(3)(1, _)(2); + * // => [1, 2, 3] + */ + function curryRight(func, arity, guard) { + arity = guard ? undefined$1 : arity; + var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined$1, undefined$1, undefined$1, undefined$1, undefined$1, arity); + result.placeholder = curryRight.placeholder; + return result; + } + + /** + * Creates a debounced function that delays invoking `func` until after `wait` + * milliseconds have elapsed since the last time the debounced function was + * invoked. The debounced function comes with a `cancel` method to cancel + * delayed `func` invocations and a `flush` method to immediately invoke them. + * Provide `options` to indicate whether `func` should be invoked on the + * leading and/or trailing edge of the `wait` timeout. The `func` is invoked + * with the last arguments provided to the debounced function. Subsequent + * calls to the debounced function return the result of the last `func` + * invocation. + * + * **Note:** If `leading` and `trailing` options are `true`, `func` is + * invoked on the trailing edge of the timeout only if the debounced function + * is invoked more than once during the `wait` timeout. + * + * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred + * until to the next tick, similar to `setTimeout` with a timeout of `0`. + * + * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) + * for details over the differences between `_.debounce` and `_.throttle`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to debounce. + * @param {number} [wait=0] The number of milliseconds to delay. + * @param {Object} [options={}] The options object. + * @param {boolean} [options.leading=false] + * Specify invoking on the leading edge of the timeout. + * @param {number} [options.maxWait] + * The maximum time `func` is allowed to be delayed before it's invoked. + * @param {boolean} [options.trailing=true] + * Specify invoking on the trailing edge of the timeout. + * @returns {Function} Returns the new debounced function. + * @example + * + * // Avoid costly calculations while the window size is in flux. + * jQuery(window).on('resize', _.debounce(calculateLayout, 150)); + * + * // Invoke `sendMail` when clicked, debouncing subsequent calls. + * jQuery(element).on('click', _.debounce(sendMail, 300, { + * 'leading': true, + * 'trailing': false + * })); + * + * // Ensure `batchLog` is invoked once after 1 second of debounced calls. + * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 }); + * var source = new EventSource('/stream'); + * jQuery(source).on('message', debounced); + * + * // Cancel the trailing debounced invocation. + * jQuery(window).on('popstate', debounced.cancel); + */ + function debounce(func, wait, options) { + var lastArgs, + lastThis, + maxWait, + result, + timerId, + lastCallTime, + lastInvokeTime = 0, + leading = false, + maxing = false, + trailing = true; + + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + wait = toNumber(wait) || 0; + if (isObject(options)) { + leading = !!options.leading; + maxing = 'maxWait' in options; + maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait; + trailing = 'trailing' in options ? !!options.trailing : trailing; + } + + function invokeFunc(time) { + var args = lastArgs, + thisArg = lastThis; + + lastArgs = lastThis = undefined$1; + lastInvokeTime = time; + result = func.apply(thisArg, args); + return result; + } + + function leadingEdge(time) { + // Reset any `maxWait` timer. + lastInvokeTime = time; + // Start the timer for the trailing edge. + timerId = setTimeout(timerExpired, wait); + // Invoke the leading edge. + return leading ? invokeFunc(time) : result; + } + + function remainingWait(time) { + var timeSinceLastCall = time - lastCallTime, + timeSinceLastInvoke = time - lastInvokeTime, + timeWaiting = wait - timeSinceLastCall; + + return maxing + ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke) + : timeWaiting; + } + + function shouldInvoke(time) { + var timeSinceLastCall = time - lastCallTime, + timeSinceLastInvoke = time - lastInvokeTime; + + // Either this is the first call, activity has stopped and we're at the + // trailing edge, the system time has gone backwards and we're treating + // it as the trailing edge, or we've hit the `maxWait` limit. + return (lastCallTime === undefined$1 || (timeSinceLastCall >= wait) || + (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait)); + } + + function timerExpired() { + var time = now(); + if (shouldInvoke(time)) { + return trailingEdge(time); + } + // Restart the timer. + timerId = setTimeout(timerExpired, remainingWait(time)); + } + + function trailingEdge(time) { + timerId = undefined$1; + + // Only invoke if we have `lastArgs` which means `func` has been + // debounced at least once. + if (trailing && lastArgs) { + return invokeFunc(time); + } + lastArgs = lastThis = undefined$1; + return result; + } + + function cancel() { + if (timerId !== undefined$1) { + clearTimeout(timerId); + } + lastInvokeTime = 0; + lastArgs = lastCallTime = lastThis = timerId = undefined$1; + } + + function flush() { + return timerId === undefined$1 ? result : trailingEdge(now()); + } + + function debounced() { + var time = now(), + isInvoking = shouldInvoke(time); + + lastArgs = arguments; + lastThis = this; + lastCallTime = time; + + if (isInvoking) { + if (timerId === undefined$1) { + return leadingEdge(lastCallTime); + } + if (maxing) { + // Handle invocations in a tight loop. + clearTimeout(timerId); + timerId = setTimeout(timerExpired, wait); + return invokeFunc(lastCallTime); + } + } + if (timerId === undefined$1) { + timerId = setTimeout(timerExpired, wait); + } + return result; + } + debounced.cancel = cancel; + debounced.flush = flush; + return debounced; + } + + /** + * Defers invoking the `func` until the current call stack has cleared. Any + * additional arguments are provided to `func` when it's invoked. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to defer. + * @param {...*} [args] The arguments to invoke `func` with. + * @returns {number} Returns the timer id. + * @example + * + * _.defer(function(text) { + * console.log(text); + * }, 'deferred'); + * // => Logs 'deferred' after one millisecond. + */ + var defer = baseRest(function(func, args) { + return baseDelay(func, 1, args); + }); + + /** + * Invokes `func` after `wait` milliseconds. Any additional arguments are + * provided to `func` when it's invoked. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to delay. + * @param {number} wait The number of milliseconds to delay invocation. + * @param {...*} [args] The arguments to invoke `func` with. + * @returns {number} Returns the timer id. + * @example + * + * _.delay(function(text) { + * console.log(text); + * }, 1000, 'later'); + * // => Logs 'later' after one second. + */ + var delay = baseRest(function(func, wait, args) { + return baseDelay(func, toNumber(wait) || 0, args); + }); + + /** + * Creates a function that invokes `func` with arguments reversed. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Function + * @param {Function} func The function to flip arguments for. + * @returns {Function} Returns the new flipped function. + * @example + * + * var flipped = _.flip(function() { + * return _.toArray(arguments); + * }); + * + * flipped('a', 'b', 'c', 'd'); + * // => ['d', 'c', 'b', 'a'] + */ + function flip(func) { + return createWrap(func, WRAP_FLIP_FLAG); + } + + /** + * Creates a function that memoizes the result of `func`. If `resolver` is + * provided, it determines the cache key for storing the result based on the + * arguments provided to the memoized function. By default, the first argument + * provided to the memoized function is used as the map cache key. The `func` + * is invoked with the `this` binding of the memoized function. + * + * **Note:** The cache is exposed as the `cache` property on the memoized + * function. Its creation may be customized by replacing the `_.memoize.Cache` + * constructor with one whose instances implement the + * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object) + * method interface of `clear`, `delete`, `get`, `has`, and `set`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to have its output memoized. + * @param {Function} [resolver] The function to resolve the cache key. + * @returns {Function} Returns the new memoized function. + * @example + * + * var object = { 'a': 1, 'b': 2 }; + * var other = { 'c': 3, 'd': 4 }; + * + * var values = _.memoize(_.values); + * values(object); + * // => [1, 2] + * + * values(other); + * // => [3, 4] + * + * object.a = 2; + * values(object); + * // => [1, 2] + * + * // Modify the result cache. + * values.cache.set(object, ['a', 'b']); + * values(object); + * // => ['a', 'b'] + * + * // Replace `_.memoize.Cache`. + * _.memoize.Cache = WeakMap; + */ + function memoize(func, resolver) { + if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) { + throw new TypeError(FUNC_ERROR_TEXT); + } + var memoized = function() { + var args = arguments, + key = resolver ? resolver.apply(this, args) : args[0], + cache = memoized.cache; + + if (cache.has(key)) { + return cache.get(key); + } + var result = func.apply(this, args); + memoized.cache = cache.set(key, result) || cache; + return result; + }; + memoized.cache = new (memoize.Cache || MapCache); + return memoized; + } + + // Expose `MapCache`. + memoize.Cache = MapCache; + + /** + * Creates a function that negates the result of the predicate `func`. The + * `func` predicate is invoked with the `this` binding and arguments of the + * created function. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} predicate The predicate to negate. + * @returns {Function} Returns the new negated function. + * @example + * + * function isEven(n) { + * return n % 2 == 0; + * } + * + * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven)); + * // => [1, 3, 5] + */ + function negate(predicate) { + if (typeof predicate != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + return function() { + var args = arguments; + switch (args.length) { + case 0: return !predicate.call(this); + case 1: return !predicate.call(this, args[0]); + case 2: return !predicate.call(this, args[0], args[1]); + case 3: return !predicate.call(this, args[0], args[1], args[2]); + } + return !predicate.apply(this, args); + }; + } + + /** + * Creates a function that is restricted to invoking `func` once. Repeat calls + * to the function return the value of the first invocation. The `func` is + * invoked with the `this` binding and arguments of the created function. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new restricted function. + * @example + * + * var initialize = _.once(createApplication); + * initialize(); + * initialize(); + * // => `createApplication` is invoked once + */ + function once(func) { + return before(2, func); + } + + /** + * Creates a function that invokes `func` with its arguments transformed. + * + * @static + * @since 4.0.0 + * @memberOf _ + * @category Function + * @param {Function} func The function to wrap. + * @param {...(Function|Function[])} [transforms=[_.identity]] + * The argument transforms. + * @returns {Function} Returns the new function. + * @example + * + * function doubled(n) { + * return n * 2; + * } + * + * function square(n) { + * return n * n; + * } + * + * var func = _.overArgs(function(x, y) { + * return [x, y]; + * }, [square, doubled]); + * + * func(9, 3); + * // => [81, 6] + * + * func(10, 5); + * // => [100, 10] + */ + var overArgs = castRest(function(func, transforms) { + transforms = (transforms.length == 1 && isArray(transforms[0])) + ? arrayMap(transforms[0], baseUnary(getIteratee())) + : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee())); + + var funcsLength = transforms.length; + return baseRest(function(args) { + var index = -1, + length = nativeMin(args.length, funcsLength); + + while (++index < length) { + args[index] = transforms[index].call(this, args[index]); + } + return apply(func, this, args); + }); + }); + + /** + * Creates a function that invokes `func` with `partials` prepended to the + * arguments it receives. This method is like `_.bind` except it does **not** + * alter the `this` binding. + * + * The `_.partial.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for partially applied arguments. + * + * **Note:** This method doesn't set the "length" property of partially + * applied functions. + * + * @static + * @memberOf _ + * @since 0.2.0 + * @category Function + * @param {Function} func The function to partially apply arguments to. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new partially applied function. + * @example + * + * function greet(greeting, name) { + * return greeting + ' ' + name; + * } + * + * var sayHelloTo = _.partial(greet, 'hello'); + * sayHelloTo('fred'); + * // => 'hello fred' + * + * // Partially applied with placeholders. + * var greetFred = _.partial(greet, _, 'fred'); + * greetFred('hi'); + * // => 'hi fred' + */ + var partial = baseRest(function(func, partials) { + var holders = replaceHolders(partials, getHolder(partial)); + return createWrap(func, WRAP_PARTIAL_FLAG, undefined$1, partials, holders); + }); + + /** + * This method is like `_.partial` except that partially applied arguments + * are appended to the arguments it receives. + * + * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic + * builds, may be used as a placeholder for partially applied arguments. + * + * **Note:** This method doesn't set the "length" property of partially + * applied functions. + * + * @static + * @memberOf _ + * @since 1.0.0 + * @category Function + * @param {Function} func The function to partially apply arguments to. + * @param {...*} [partials] The arguments to be partially applied. + * @returns {Function} Returns the new partially applied function. + * @example + * + * function greet(greeting, name) { + * return greeting + ' ' + name; + * } + * + * var greetFred = _.partialRight(greet, 'fred'); + * greetFred('hi'); + * // => 'hi fred' + * + * // Partially applied with placeholders. + * var sayHelloTo = _.partialRight(greet, 'hello', _); + * sayHelloTo('fred'); + * // => 'hello fred' + */ + var partialRight = baseRest(function(func, partials) { + var holders = replaceHolders(partials, getHolder(partialRight)); + return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined$1, partials, holders); + }); + + /** + * Creates a function that invokes `func` with arguments arranged according + * to the specified `indexes` where the argument value at the first index is + * provided as the first argument, the argument value at the second index is + * provided as the second argument, and so on. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Function + * @param {Function} func The function to rearrange arguments for. + * @param {...(number|number[])} indexes The arranged argument indexes. + * @returns {Function} Returns the new function. + * @example + * + * var rearged = _.rearg(function(a, b, c) { + * return [a, b, c]; + * }, [2, 0, 1]); + * + * rearged('b', 'c', 'a') + * // => ['a', 'b', 'c'] + */ + var rearg = flatRest(function(func, indexes) { + return createWrap(func, WRAP_REARG_FLAG, undefined$1, undefined$1, undefined$1, indexes); + }); + + /** + * Creates a function that invokes `func` with the `this` binding of the + * created function and arguments from `start` and beyond provided as + * an array. + * + * **Note:** This method is based on the + * [rest parameter](https://mdn.io/rest_parameters). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Function + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @returns {Function} Returns the new function. + * @example + * + * var say = _.rest(function(what, names) { + * return what + ' ' + _.initial(names).join(', ') + + * (_.size(names) > 1 ? ', & ' : '') + _.last(names); + * }); + * + * say('hello', 'fred', 'barney', 'pebbles'); + * // => 'hello fred, barney, & pebbles' + */ + function rest(func, start) { + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + start = start === undefined$1 ? start : toInteger(start); + return baseRest(func, start); + } + + /** + * Creates a function that invokes `func` with the `this` binding of the + * create function and an array of arguments much like + * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply). + * + * **Note:** This method is based on the + * [spread operator](https://mdn.io/spread_operator). + * + * @static + * @memberOf _ + * @since 3.2.0 + * @category Function + * @param {Function} func The function to spread arguments over. + * @param {number} [start=0] The start position of the spread. + * @returns {Function} Returns the new function. + * @example + * + * var say = _.spread(function(who, what) { + * return who + ' says ' + what; + * }); + * + * say(['fred', 'hello']); + * // => 'fred says hello' + * + * var numbers = Promise.all([ + * Promise.resolve(40), + * Promise.resolve(36) + * ]); + * + * numbers.then(_.spread(function(x, y) { + * return x + y; + * })); + * // => a Promise of 76 + */ + function spread(func, start) { + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + start = start == null ? 0 : nativeMax(toInteger(start), 0); + return baseRest(function(args) { + var array = args[start], + otherArgs = castSlice(args, 0, start); + + if (array) { + arrayPush(otherArgs, array); + } + return apply(func, this, otherArgs); + }); + } + + /** + * Creates a throttled function that only invokes `func` at most once per + * every `wait` milliseconds. The throttled function comes with a `cancel` + * method to cancel delayed `func` invocations and a `flush` method to + * immediately invoke them. Provide `options` to indicate whether `func` + * should be invoked on the leading and/or trailing edge of the `wait` + * timeout. The `func` is invoked with the last arguments provided to the + * throttled function. Subsequent calls to the throttled function return the + * result of the last `func` invocation. + * + * **Note:** If `leading` and `trailing` options are `true`, `func` is + * invoked on the trailing edge of the timeout only if the throttled function + * is invoked more than once during the `wait` timeout. + * + * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred + * until to the next tick, similar to `setTimeout` with a timeout of `0`. + * + * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) + * for details over the differences between `_.throttle` and `_.debounce`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {Function} func The function to throttle. + * @param {number} [wait=0] The number of milliseconds to throttle invocations to. + * @param {Object} [options={}] The options object. + * @param {boolean} [options.leading=true] + * Specify invoking on the leading edge of the timeout. + * @param {boolean} [options.trailing=true] + * Specify invoking on the trailing edge of the timeout. + * @returns {Function} Returns the new throttled function. + * @example + * + * // Avoid excessively updating the position while scrolling. + * jQuery(window).on('scroll', _.throttle(updatePosition, 100)); + * + * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes. + * var throttled = _.throttle(renewToken, 300000, { 'trailing': false }); + * jQuery(element).on('click', throttled); + * + * // Cancel the trailing throttled invocation. + * jQuery(window).on('popstate', throttled.cancel); + */ + function throttle(func, wait, options) { + var leading = true, + trailing = true; + + if (typeof func != 'function') { + throw new TypeError(FUNC_ERROR_TEXT); + } + if (isObject(options)) { + leading = 'leading' in options ? !!options.leading : leading; + trailing = 'trailing' in options ? !!options.trailing : trailing; + } + return debounce(func, wait, { + 'leading': leading, + 'maxWait': wait, + 'trailing': trailing + }); + } + + /** + * Creates a function that accepts up to one argument, ignoring any + * additional arguments. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Function + * @param {Function} func The function to cap arguments for. + * @returns {Function} Returns the new capped function. + * @example + * + * _.map(['6', '8', '10'], _.unary(parseInt)); + * // => [6, 8, 10] + */ + function unary(func) { + return ary(func, 1); + } + + /** + * Creates a function that provides `value` to `wrapper` as its first + * argument. Any additional arguments provided to the function are appended + * to those provided to the `wrapper`. The wrapper is invoked with the `this` + * binding of the created function. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Function + * @param {*} value The value to wrap. + * @param {Function} [wrapper=identity] The wrapper function. + * @returns {Function} Returns the new function. + * @example + * + * var p = _.wrap(_.escape, function(func, text) { + * return '

' + func(text) + '

'; + * }); + * + * p('fred, barney, & pebbles'); + * // => '

fred, barney, & pebbles

' + */ + function wrap(value, wrapper) { + return partial(castFunction(wrapper), value); + } + + /*------------------------------------------------------------------------*/ + + /** + * Casts `value` as an array if it's not one. + * + * @static + * @memberOf _ + * @since 4.4.0 + * @category Lang + * @param {*} value The value to inspect. + * @returns {Array} Returns the cast array. + * @example + * + * _.castArray(1); + * // => [1] + * + * _.castArray({ 'a': 1 }); + * // => [{ 'a': 1 }] + * + * _.castArray('abc'); + * // => ['abc'] + * + * _.castArray(null); + * // => [null] + * + * _.castArray(undefined); + * // => [undefined] + * + * _.castArray(); + * // => [] + * + * var array = [1, 2, 3]; + * console.log(_.castArray(array) === array); + * // => true + */ + function castArray() { + if (!arguments.length) { + return []; + } + var value = arguments[0]; + return isArray(value) ? value : [value]; + } + + /** + * Creates a shallow clone of `value`. + * + * **Note:** This method is loosely based on the + * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm) + * and supports cloning arrays, array buffers, booleans, date objects, maps, + * numbers, `Object` objects, regexes, sets, strings, symbols, and typed + * arrays. The own enumerable properties of `arguments` objects are cloned + * as plain objects. An empty object is returned for uncloneable values such + * as error objects, functions, DOM nodes, and WeakMaps. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to clone. + * @returns {*} Returns the cloned value. + * @see _.cloneDeep + * @example + * + * var objects = [{ 'a': 1 }, { 'b': 2 }]; + * + * var shallow = _.clone(objects); + * console.log(shallow[0] === objects[0]); + * // => true + */ + function clone(value) { + return baseClone(value, CLONE_SYMBOLS_FLAG); + } + + /** + * This method is like `_.clone` except that it accepts `customizer` which + * is invoked to produce the cloned value. If `customizer` returns `undefined`, + * cloning is handled by the method instead. The `customizer` is invoked with + * up to four arguments; (value [, index|key, object, stack]). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to clone. + * @param {Function} [customizer] The function to customize cloning. + * @returns {*} Returns the cloned value. + * @see _.cloneDeepWith + * @example + * + * function customizer(value) { + * if (_.isElement(value)) { + * return value.cloneNode(false); + * } + * } + * + * var el = _.cloneWith(document.body, customizer); + * + * console.log(el === document.body); + * // => false + * console.log(el.nodeName); + * // => 'BODY' + * console.log(el.childNodes.length); + * // => 0 + */ + function cloneWith(value, customizer) { + customizer = typeof customizer == 'function' ? customizer : undefined$1; + return baseClone(value, CLONE_SYMBOLS_FLAG, customizer); + } + + /** + * This method is like `_.clone` except that it recursively clones `value`. + * + * @static + * @memberOf _ + * @since 1.0.0 + * @category Lang + * @param {*} value The value to recursively clone. + * @returns {*} Returns the deep cloned value. + * @see _.clone + * @example + * + * var objects = [{ 'a': 1 }, { 'b': 2 }]; + * + * var deep = _.cloneDeep(objects); + * console.log(deep[0] === objects[0]); + * // => false + */ + function cloneDeep(value) { + return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG); + } + + /** + * This method is like `_.cloneWith` except that it recursively clones `value`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to recursively clone. + * @param {Function} [customizer] The function to customize cloning. + * @returns {*} Returns the deep cloned value. + * @see _.cloneWith + * @example + * + * function customizer(value) { + * if (_.isElement(value)) { + * return value.cloneNode(true); + * } + * } + * + * var el = _.cloneDeepWith(document.body, customizer); + * + * console.log(el === document.body); + * // => false + * console.log(el.nodeName); + * // => 'BODY' + * console.log(el.childNodes.length); + * // => 20 + */ + function cloneDeepWith(value, customizer) { + customizer = typeof customizer == 'function' ? customizer : undefined$1; + return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer); + } + + /** + * Checks if `object` conforms to `source` by invoking the predicate + * properties of `source` with the corresponding property values of `object`. + * + * **Note:** This method is equivalent to `_.conforms` when `source` is + * partially applied. + * + * @static + * @memberOf _ + * @since 4.14.0 + * @category Lang + * @param {Object} object The object to inspect. + * @param {Object} source The object of property predicates to conform to. + * @returns {boolean} Returns `true` if `object` conforms, else `false`. + * @example + * + * var object = { 'a': 1, 'b': 2 }; + * + * _.conformsTo(object, { 'b': function(n) { return n > 1; } }); + * // => true + * + * _.conformsTo(object, { 'b': function(n) { return n > 2; } }); + * // => false + */ + function conformsTo(object, source) { + return source == null || baseConformsTo(object, source, keys(source)); + } + + /** + * Performs a + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * comparison between two values to determine if they are equivalent. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * var object = { 'a': 1 }; + * var other = { 'a': 1 }; + * + * _.eq(object, object); + * // => true + * + * _.eq(object, other); + * // => false + * + * _.eq('a', 'a'); + * // => true + * + * _.eq('a', Object('a')); + * // => false + * + * _.eq(NaN, NaN); + * // => true + */ + function eq(value, other) { + return value === other || (value !== value && other !== other); + } + + /** + * Checks if `value` is greater than `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is greater than `other`, + * else `false`. + * @see _.lt + * @example + * + * _.gt(3, 1); + * // => true + * + * _.gt(3, 3); + * // => false + * + * _.gt(1, 3); + * // => false + */ + var gt = createRelationalOperation(baseGt); + + /** + * Checks if `value` is greater than or equal to `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is greater than or equal to + * `other`, else `false`. + * @see _.lte + * @example + * + * _.gte(3, 1); + * // => true + * + * _.gte(3, 3); + * // => true + * + * _.gte(1, 3); + * // => false + */ + var gte = createRelationalOperation(function(value, other) { + return value >= other; + }); + + /** + * Checks if `value` is likely an `arguments` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an `arguments` object, + * else `false`. + * @example + * + * _.isArguments(function() { return arguments; }()); + * // => true + * + * _.isArguments([1, 2, 3]); + * // => false + */ + var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) { + return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && + !propertyIsEnumerable.call(value, 'callee'); + }; + + /** + * Checks if `value` is classified as an `Array` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array, else `false`. + * @example + * + * _.isArray([1, 2, 3]); + * // => true + * + * _.isArray(document.body.children); + * // => false + * + * _.isArray('abc'); + * // => false + * + * _.isArray(_.noop); + * // => false + */ + var isArray = Array.isArray; + + /** + * Checks if `value` is classified as an `ArrayBuffer` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`. + * @example + * + * _.isArrayBuffer(new ArrayBuffer(2)); + * // => true + * + * _.isArrayBuffer(new Array(2)); + * // => false + */ + var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer; + + /** + * Checks if `value` is array-like. A value is considered array-like if it's + * not a function and has a `value.length` that's an integer greater than or + * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is array-like, else `false`. + * @example + * + * _.isArrayLike([1, 2, 3]); + * // => true + * + * _.isArrayLike(document.body.children); + * // => true + * + * _.isArrayLike('abc'); + * // => true + * + * _.isArrayLike(_.noop); + * // => false + */ + function isArrayLike(value) { + return value != null && isLength(value.length) && !isFunction(value); + } + + /** + * This method is like `_.isArrayLike` except that it also checks if `value` + * is an object. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array-like object, + * else `false`. + * @example + * + * _.isArrayLikeObject([1, 2, 3]); + * // => true + * + * _.isArrayLikeObject(document.body.children); + * // => true + * + * _.isArrayLikeObject('abc'); + * // => false + * + * _.isArrayLikeObject(_.noop); + * // => false + */ + function isArrayLikeObject(value) { + return isObjectLike(value) && isArrayLike(value); + } + + /** + * Checks if `value` is classified as a boolean primitive or object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a boolean, else `false`. + * @example + * + * _.isBoolean(false); + * // => true + * + * _.isBoolean(null); + * // => false + */ + function isBoolean(value) { + return value === true || value === false || + (isObjectLike(value) && baseGetTag(value) == boolTag); + } + + /** + * Checks if `value` is a buffer. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. + * @example + * + * _.isBuffer(new Buffer(2)); + * // => true + * + * _.isBuffer(new Uint8Array(2)); + * // => false + */ + var isBuffer = nativeIsBuffer || stubFalse; + + /** + * Checks if `value` is classified as a `Date` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a date object, else `false`. + * @example + * + * _.isDate(new Date); + * // => true + * + * _.isDate('Mon April 23 2012'); + * // => false + */ + var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate; + + /** + * Checks if `value` is likely a DOM element. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`. + * @example + * + * _.isElement(document.body); + * // => true + * + * _.isElement(''); + * // => false + */ + function isElement(value) { + return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value); + } + + /** + * Checks if `value` is an empty object, collection, map, or set. + * + * Objects are considered empty if they have no own enumerable string keyed + * properties. + * + * Array-like values such as `arguments` objects, arrays, buffers, strings, or + * jQuery-like collections are considered empty if they have a `length` of `0`. + * Similarly, maps and sets are considered empty if they have a `size` of `0`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is empty, else `false`. + * @example + * + * _.isEmpty(null); + * // => true + * + * _.isEmpty(true); + * // => true + * + * _.isEmpty(1); + * // => true + * + * _.isEmpty([1, 2, 3]); + * // => false + * + * _.isEmpty({ 'a': 1 }); + * // => false + */ + function isEmpty(value) { + if (value == null) { + return true; + } + if (isArrayLike(value) && + (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' || + isBuffer(value) || isTypedArray(value) || isArguments(value))) { + return !value.length; + } + var tag = getTag(value); + if (tag == mapTag || tag == setTag) { + return !value.size; + } + if (isPrototype(value)) { + return !baseKeys(value).length; + } + for (var key in value) { + if (hasOwnProperty.call(value, key)) { + return false; + } + } + return true; + } + + /** + * Performs a deep comparison between two values to determine if they are + * equivalent. + * + * **Note:** This method supports comparing arrays, array buffers, booleans, + * date objects, error objects, maps, numbers, `Object` objects, regexes, + * sets, strings, symbols, and typed arrays. `Object` objects are compared + * by their own, not inherited, enumerable properties. Functions and DOM + * nodes are compared by strict equality, i.e. `===`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * var object = { 'a': 1 }; + * var other = { 'a': 1 }; + * + * _.isEqual(object, other); + * // => true + * + * object === other; + * // => false + */ + function isEqual(value, other) { + return baseIsEqual(value, other); + } + + /** + * This method is like `_.isEqual` except that it accepts `customizer` which + * is invoked to compare values. If `customizer` returns `undefined`, comparisons + * are handled by the method instead. The `customizer` is invoked with up to + * six arguments: (objValue, othValue [, index|key, object, other, stack]). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @param {Function} [customizer] The function to customize comparisons. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * function isGreeting(value) { + * return /^h(?:i|ello)$/.test(value); + * } + * + * function customizer(objValue, othValue) { + * if (isGreeting(objValue) && isGreeting(othValue)) { + * return true; + * } + * } + * + * var array = ['hello', 'goodbye']; + * var other = ['hi', 'goodbye']; + * + * _.isEqualWith(array, other, customizer); + * // => true + */ + function isEqualWith(value, other, customizer) { + customizer = typeof customizer == 'function' ? customizer : undefined$1; + var result = customizer ? customizer(value, other) : undefined$1; + return result === undefined$1 ? baseIsEqual(value, other, undefined$1, customizer) : !!result; + } + + /** + * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, + * `SyntaxError`, `TypeError`, or `URIError` object. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an error object, else `false`. + * @example + * + * _.isError(new Error); + * // => true + * + * _.isError(Error); + * // => false + */ + function isError(value) { + if (!isObjectLike(value)) { + return false; + } + var tag = baseGetTag(value); + return tag == errorTag || tag == domExcTag || + (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value)); + } + + /** + * Checks if `value` is a finite primitive number. + * + * **Note:** This method is based on + * [`Number.isFinite`](https://mdn.io/Number/isFinite). + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a finite number, else `false`. + * @example + * + * _.isFinite(3); + * // => true + * + * _.isFinite(Number.MIN_VALUE); + * // => true + * + * _.isFinite(Infinity); + * // => false + * + * _.isFinite('3'); + * // => false + */ + function isFinite(value) { + return typeof value == 'number' && nativeIsFinite(value); + } + + /** + * Checks if `value` is classified as a `Function` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a function, else `false`. + * @example + * + * _.isFunction(_); + * // => true + * + * _.isFunction(/abc/); + * // => false + */ + function isFunction(value) { + if (!isObject(value)) { + return false; + } + // The use of `Object#toString` avoids issues with the `typeof` operator + // in Safari 9 which returns 'object' for typed arrays and other constructors. + var tag = baseGetTag(value); + return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; + } + + /** + * Checks if `value` is an integer. + * + * **Note:** This method is based on + * [`Number.isInteger`](https://mdn.io/Number/isInteger). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an integer, else `false`. + * @example + * + * _.isInteger(3); + * // => true + * + * _.isInteger(Number.MIN_VALUE); + * // => false + * + * _.isInteger(Infinity); + * // => false + * + * _.isInteger('3'); + * // => false + */ + function isInteger(value) { + return typeof value == 'number' && value == toInteger(value); + } + + /** + * Checks if `value` is a valid array-like length. + * + * **Note:** This method is loosely based on + * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. + * @example + * + * _.isLength(3); + * // => true + * + * _.isLength(Number.MIN_VALUE); + * // => false + * + * _.isLength(Infinity); + * // => false + * + * _.isLength('3'); + * // => false + */ + function isLength(value) { + return typeof value == 'number' && + value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; + } + + /** + * Checks if `value` is the + * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) + * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an object, else `false`. + * @example + * + * _.isObject({}); + * // => true + * + * _.isObject([1, 2, 3]); + * // => true + * + * _.isObject(_.noop); + * // => true + * + * _.isObject(null); + * // => false + */ + function isObject(value) { + var type = typeof value; + return value != null && (type == 'object' || type == 'function'); + } + + /** + * Checks if `value` is object-like. A value is object-like if it's not `null` + * and has a `typeof` result of "object". + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is object-like, else `false`. + * @example + * + * _.isObjectLike({}); + * // => true + * + * _.isObjectLike([1, 2, 3]); + * // => true + * + * _.isObjectLike(_.noop); + * // => false + * + * _.isObjectLike(null); + * // => false + */ + function isObjectLike(value) { + return value != null && typeof value == 'object'; + } + + /** + * Checks if `value` is classified as a `Map` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a map, else `false`. + * @example + * + * _.isMap(new Map); + * // => true + * + * _.isMap(new WeakMap); + * // => false + */ + var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap; + + /** + * Performs a partial deep comparison between `object` and `source` to + * determine if `object` contains equivalent property values. + * + * **Note:** This method is equivalent to `_.matches` when `source` is + * partially applied. + * + * Partial comparisons will match empty array and empty object `source` + * values against any array or object value, respectively. See `_.isEqual` + * for a list of supported value comparisons. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {Object} object The object to inspect. + * @param {Object} source The object of property values to match. + * @returns {boolean} Returns `true` if `object` is a match, else `false`. + * @example + * + * var object = { 'a': 1, 'b': 2 }; + * + * _.isMatch(object, { 'b': 2 }); + * // => true + * + * _.isMatch(object, { 'b': 1 }); + * // => false + */ + function isMatch(object, source) { + return object === source || baseIsMatch(object, source, getMatchData(source)); + } + + /** + * This method is like `_.isMatch` except that it accepts `customizer` which + * is invoked to compare values. If `customizer` returns `undefined`, comparisons + * are handled by the method instead. The `customizer` is invoked with five + * arguments: (objValue, srcValue, index|key, object, source). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {Object} object The object to inspect. + * @param {Object} source The object of property values to match. + * @param {Function} [customizer] The function to customize comparisons. + * @returns {boolean} Returns `true` if `object` is a match, else `false`. + * @example + * + * function isGreeting(value) { + * return /^h(?:i|ello)$/.test(value); + * } + * + * function customizer(objValue, srcValue) { + * if (isGreeting(objValue) && isGreeting(srcValue)) { + * return true; + * } + * } + * + * var object = { 'greeting': 'hello' }; + * var source = { 'greeting': 'hi' }; + * + * _.isMatchWith(object, source, customizer); + * // => true + */ + function isMatchWith(object, source, customizer) { + customizer = typeof customizer == 'function' ? customizer : undefined$1; + return baseIsMatch(object, source, getMatchData(source), customizer); + } + + /** + * Checks if `value` is `NaN`. + * + * **Note:** This method is based on + * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as + * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for + * `undefined` and other non-number values. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`. + * @example + * + * _.isNaN(NaN); + * // => true + * + * _.isNaN(new Number(NaN)); + * // => true + * + * isNaN(undefined); + * // => true + * + * _.isNaN(undefined); + * // => false + */ + function isNaN(value) { + // An `NaN` primitive is the only value that is not equal to itself. + // Perform the `toStringTag` check first to avoid errors with some + // ActiveX objects in IE. + return isNumber(value) && value != +value; + } + + /** + * Checks if `value` is a pristine native function. + * + * **Note:** This method can't reliably detect native functions in the presence + * of the core-js package because core-js circumvents this kind of detection. + * Despite multiple requests, the core-js maintainer has made it clear: any + * attempt to fix the detection will be obstructed. As a result, we're left + * with little choice but to throw an error. Unfortunately, this also affects + * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill), + * which rely on core-js. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a native function, + * else `false`. + * @example + * + * _.isNative(Array.prototype.push); + * // => true + * + * _.isNative(_); + * // => false + */ + function isNative(value) { + if (isMaskable(value)) { + throw new Error(CORE_ERROR_TEXT); + } + return baseIsNative(value); + } + + /** + * Checks if `value` is `null`. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `null`, else `false`. + * @example + * + * _.isNull(null); + * // => true + * + * _.isNull(void 0); + * // => false + */ + function isNull(value) { + return value === null; + } + + /** + * Checks if `value` is `null` or `undefined`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is nullish, else `false`. + * @example + * + * _.isNil(null); + * // => true + * + * _.isNil(void 0); + * // => true + * + * _.isNil(NaN); + * // => false + */ + function isNil(value) { + return value == null; + } + + /** + * Checks if `value` is classified as a `Number` primitive or object. + * + * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are + * classified as numbers, use the `_.isFinite` method. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a number, else `false`. + * @example + * + * _.isNumber(3); + * // => true + * + * _.isNumber(Number.MIN_VALUE); + * // => true + * + * _.isNumber(Infinity); + * // => true + * + * _.isNumber('3'); + * // => false + */ + function isNumber(value) { + return typeof value == 'number' || + (isObjectLike(value) && baseGetTag(value) == numberTag); + } + + /** + * Checks if `value` is a plain object, that is, an object created by the + * `Object` constructor or one with a `[[Prototype]]` of `null`. + * + * @static + * @memberOf _ + * @since 0.8.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * _.isPlainObject(new Foo); + * // => false + * + * _.isPlainObject([1, 2, 3]); + * // => false + * + * _.isPlainObject({ 'x': 0, 'y': 0 }); + * // => true + * + * _.isPlainObject(Object.create(null)); + * // => true + */ + function isPlainObject(value) { + if (!isObjectLike(value) || baseGetTag(value) != objectTag) { + return false; + } + var proto = getPrototype(value); + if (proto === null) { + return true; + } + var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor; + return typeof Ctor == 'function' && Ctor instanceof Ctor && + funcToString.call(Ctor) == objectCtorString; + } + + /** + * Checks if `value` is classified as a `RegExp` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a regexp, else `false`. + * @example + * + * _.isRegExp(/abc/); + * // => true + * + * _.isRegExp('/abc/'); + * // => false + */ + var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp; + + /** + * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754 + * double precision number which isn't the result of a rounded unsafe integer. + * + * **Note:** This method is based on + * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`. + * @example + * + * _.isSafeInteger(3); + * // => true + * + * _.isSafeInteger(Number.MIN_VALUE); + * // => false + * + * _.isSafeInteger(Infinity); + * // => false + * + * _.isSafeInteger('3'); + * // => false + */ + function isSafeInteger(value) { + return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER; + } + + /** + * Checks if `value` is classified as a `Set` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a set, else `false`. + * @example + * + * _.isSet(new Set); + * // => true + * + * _.isSet(new WeakSet); + * // => false + */ + var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet; + + /** + * Checks if `value` is classified as a `String` primitive or object. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a string, else `false`. + * @example + * + * _.isString('abc'); + * // => true + * + * _.isString(1); + * // => false + */ + function isString(value) { + return typeof value == 'string' || + (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag); + } + + /** + * Checks if `value` is classified as a `Symbol` primitive or object. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. + * @example + * + * _.isSymbol(Symbol.iterator); + * // => true + * + * _.isSymbol('abc'); + * // => false + */ + function isSymbol(value) { + return typeof value == 'symbol' || + (isObjectLike(value) && baseGetTag(value) == symbolTag); + } + + /** + * Checks if `value` is classified as a typed array. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. + * @example + * + * _.isTypedArray(new Uint8Array); + * // => true + * + * _.isTypedArray([]); + * // => false + */ + var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray; + + /** + * Checks if `value` is `undefined`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`. + * @example + * + * _.isUndefined(void 0); + * // => true + * + * _.isUndefined(null); + * // => false + */ + function isUndefined(value) { + return value === undefined$1; + } + + /** + * Checks if `value` is classified as a `WeakMap` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a weak map, else `false`. + * @example + * + * _.isWeakMap(new WeakMap); + * // => true + * + * _.isWeakMap(new Map); + * // => false + */ + function isWeakMap(value) { + return isObjectLike(value) && getTag(value) == weakMapTag; + } + + /** + * Checks if `value` is classified as a `WeakSet` object. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a weak set, else `false`. + * @example + * + * _.isWeakSet(new WeakSet); + * // => true + * + * _.isWeakSet(new Set); + * // => false + */ + function isWeakSet(value) { + return isObjectLike(value) && baseGetTag(value) == weakSetTag; + } + + /** + * Checks if `value` is less than `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is less than `other`, + * else `false`. + * @see _.gt + * @example + * + * _.lt(1, 3); + * // => true + * + * _.lt(3, 3); + * // => false + * + * _.lt(3, 1); + * // => false + */ + var lt = createRelationalOperation(baseLt); + + /** + * Checks if `value` is less than or equal to `other`. + * + * @static + * @memberOf _ + * @since 3.9.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if `value` is less than or equal to + * `other`, else `false`. + * @see _.gte + * @example + * + * _.lte(1, 3); + * // => true + * + * _.lte(3, 3); + * // => true + * + * _.lte(3, 1); + * // => false + */ + var lte = createRelationalOperation(function(value, other) { + return value <= other; + }); + + /** + * Converts `value` to an array. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Lang + * @param {*} value The value to convert. + * @returns {Array} Returns the converted array. + * @example + * + * _.toArray({ 'a': 1, 'b': 2 }); + * // => [1, 2] + * + * _.toArray('abc'); + * // => ['a', 'b', 'c'] + * + * _.toArray(1); + * // => [] + * + * _.toArray(null); + * // => [] + */ + function toArray(value) { + if (!value) { + return []; + } + if (isArrayLike(value)) { + return isString(value) ? stringToArray(value) : copyArray(value); + } + if (symIterator && value[symIterator]) { + return iteratorToArray(value[symIterator]()); + } + var tag = getTag(value), + func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values); + + return func(value); + } + + /** + * Converts `value` to a finite number. + * + * @static + * @memberOf _ + * @since 4.12.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted number. + * @example + * + * _.toFinite(3.2); + * // => 3.2 + * + * _.toFinite(Number.MIN_VALUE); + * // => 5e-324 + * + * _.toFinite(Infinity); + * // => 1.7976931348623157e+308 + * + * _.toFinite('3.2'); + * // => 3.2 + */ + function toFinite(value) { + if (!value) { + return value === 0 ? value : 0; + } + value = toNumber(value); + if (value === INFINITY || value === -INFINITY) { + var sign = (value < 0 ? -1 : 1); + return sign * MAX_INTEGER; + } + return value === value ? value : 0; + } + + /** + * Converts `value` to an integer. + * + * **Note:** This method is loosely based on + * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted integer. + * @example + * + * _.toInteger(3.2); + * // => 3 + * + * _.toInteger(Number.MIN_VALUE); + * // => 0 + * + * _.toInteger(Infinity); + * // => 1.7976931348623157e+308 + * + * _.toInteger('3.2'); + * // => 3 + */ + function toInteger(value) { + var result = toFinite(value), + remainder = result % 1; + + return result === result ? (remainder ? result - remainder : result) : 0; + } + + /** + * Converts `value` to an integer suitable for use as the length of an + * array-like object. + * + * **Note:** This method is based on + * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted integer. + * @example + * + * _.toLength(3.2); + * // => 3 + * + * _.toLength(Number.MIN_VALUE); + * // => 0 + * + * _.toLength(Infinity); + * // => 4294967295 + * + * _.toLength('3.2'); + * // => 3 + */ + function toLength(value) { + return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0; + } + + /** + * Converts `value` to a number. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to process. + * @returns {number} Returns the number. + * @example + * + * _.toNumber(3.2); + * // => 3.2 + * + * _.toNumber(Number.MIN_VALUE); + * // => 5e-324 + * + * _.toNumber(Infinity); + * // => Infinity + * + * _.toNumber('3.2'); + * // => 3.2 + */ + function toNumber(value) { + if (typeof value == 'number') { + return value; + } + if (isSymbol(value)) { + return NAN; + } + if (isObject(value)) { + var other = typeof value.valueOf == 'function' ? value.valueOf() : value; + value = isObject(other) ? (other + '') : other; + } + if (typeof value != 'string') { + return value === 0 ? value : +value; + } + value = baseTrim(value); + var isBinary = reIsBinary.test(value); + return (isBinary || reIsOctal.test(value)) + ? freeParseInt(value.slice(2), isBinary ? 2 : 8) + : (reIsBadHex.test(value) ? NAN : +value); + } + + /** + * Converts `value` to a plain object flattening inherited enumerable string + * keyed properties of `value` to own properties of the plain object. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {Object} Returns the converted plain object. + * @example + * + * function Foo() { + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.assign({ 'a': 1 }, new Foo); + * // => { 'a': 1, 'b': 2 } + * + * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); + * // => { 'a': 1, 'b': 2, 'c': 3 } + */ + function toPlainObject(value) { + return copyObject(value, keysIn(value)); + } + + /** + * Converts `value` to a safe integer. A safe integer can be compared and + * represented correctly. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {number} Returns the converted integer. + * @example + * + * _.toSafeInteger(3.2); + * // => 3 + * + * _.toSafeInteger(Number.MIN_VALUE); + * // => 0 + * + * _.toSafeInteger(Infinity); + * // => 9007199254740991 + * + * _.toSafeInteger('3.2'); + * // => 3 + */ + function toSafeInteger(value) { + return value + ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) + : (value === 0 ? value : 0); + } + + /** + * Converts `value` to a string. An empty string is returned for `null` + * and `undefined` values. The sign of `-0` is preserved. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {string} Returns the converted string. + * @example + * + * _.toString(null); + * // => '' + * + * _.toString(-0); + * // => '-0' + * + * _.toString([1, 2, 3]); + * // => '1,2,3' + */ + function toString(value) { + return value == null ? '' : baseToString(value); + } + + /*------------------------------------------------------------------------*/ + + /** + * Assigns own enumerable string keyed properties of source objects to the + * destination object. Source objects are applied from left to right. + * Subsequent sources overwrite property assignments of previous sources. + * + * **Note:** This method mutates `object` and is loosely based on + * [`Object.assign`](https://mdn.io/Object/assign). + * + * @static + * @memberOf _ + * @since 0.10.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.assignIn + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * function Bar() { + * this.c = 3; + * } + * + * Foo.prototype.b = 2; + * Bar.prototype.d = 4; + * + * _.assign({ 'a': 0 }, new Foo, new Bar); + * // => { 'a': 1, 'c': 3 } + */ + var assign = createAssigner(function(object, source) { + if (isPrototype(source) || isArrayLike(source)) { + copyObject(source, keys(source), object); + return; + } + for (var key in source) { + if (hasOwnProperty.call(source, key)) { + assignValue(object, key, source[key]); + } + } + }); + + /** + * This method is like `_.assign` except that it iterates over own and + * inherited source properties. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias extend + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.assign + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * function Bar() { + * this.c = 3; + * } + * + * Foo.prototype.b = 2; + * Bar.prototype.d = 4; + * + * _.assignIn({ 'a': 0 }, new Foo, new Bar); + * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 } + */ + var assignIn = createAssigner(function(object, source) { + copyObject(source, keysIn(source), object); + }); + + /** + * This method is like `_.assignIn` except that it accepts `customizer` + * which is invoked to produce the assigned values. If `customizer` returns + * `undefined`, assignment is handled by the method instead. The `customizer` + * is invoked with five arguments: (objValue, srcValue, key, object, source). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias extendWith + * @category Object + * @param {Object} object The destination object. + * @param {...Object} sources The source objects. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @see _.assignWith + * @example + * + * function customizer(objValue, srcValue) { + * return _.isUndefined(objValue) ? srcValue : objValue; + * } + * + * var defaults = _.partialRight(_.assignInWith, customizer); + * + * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); + * // => { 'a': 1, 'b': 2 } + */ + var assignInWith = createAssigner(function(object, source, srcIndex, customizer) { + copyObject(source, keysIn(source), object, customizer); + }); + + /** + * This method is like `_.assign` except that it accepts `customizer` + * which is invoked to produce the assigned values. If `customizer` returns + * `undefined`, assignment is handled by the method instead. The `customizer` + * is invoked with five arguments: (objValue, srcValue, key, object, source). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} sources The source objects. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @see _.assignInWith + * @example + * + * function customizer(objValue, srcValue) { + * return _.isUndefined(objValue) ? srcValue : objValue; + * } + * + * var defaults = _.partialRight(_.assignWith, customizer); + * + * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); + * // => { 'a': 1, 'b': 2 } + */ + var assignWith = createAssigner(function(object, source, srcIndex, customizer) { + copyObject(source, keys(source), object, customizer); + }); + + /** + * Creates an array of values corresponding to `paths` of `object`. + * + * @static + * @memberOf _ + * @since 1.0.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {...(string|string[])} [paths] The property paths to pick. + * @returns {Array} Returns the picked values. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; + * + * _.at(object, ['a[0].b.c', 'a[1]']); + * // => [3, 4] + */ + var at = flatRest(baseAt); + + /** + * Creates an object that inherits from the `prototype` object. If a + * `properties` object is given, its own enumerable string keyed properties + * are assigned to the created object. + * + * @static + * @memberOf _ + * @since 2.3.0 + * @category Object + * @param {Object} prototype The object to inherit from. + * @param {Object} [properties] The properties to assign to the object. + * @returns {Object} Returns the new object. + * @example + * + * function Shape() { + * this.x = 0; + * this.y = 0; + * } + * + * function Circle() { + * Shape.call(this); + * } + * + * Circle.prototype = _.create(Shape.prototype, { + * 'constructor': Circle + * }); + * + * var circle = new Circle; + * circle instanceof Circle; + * // => true + * + * circle instanceof Shape; + * // => true + */ + function create(prototype, properties) { + var result = baseCreate(prototype); + return properties == null ? result : baseAssign(result, properties); + } + + /** + * Assigns own and inherited enumerable string keyed properties of source + * objects to the destination object for all destination properties that + * resolve to `undefined`. Source objects are applied from left to right. + * Once a property is set, additional values of the same property are ignored. + * + * **Note:** This method mutates `object`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.defaultsDeep + * @example + * + * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); + * // => { 'a': 1, 'b': 2 } + */ + var defaults = baseRest(function(object, sources) { + object = Object(object); + + var index = -1; + var length = sources.length; + var guard = length > 2 ? sources[2] : undefined$1; + + if (guard && isIterateeCall(sources[0], sources[1], guard)) { + length = 1; + } + + while (++index < length) { + var source = sources[index]; + var props = keysIn(source); + var propsIndex = -1; + var propsLength = props.length; + + while (++propsIndex < propsLength) { + var key = props[propsIndex]; + var value = object[key]; + + if (value === undefined$1 || + (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) { + object[key] = source[key]; + } + } + } + + return object; + }); + + /** + * This method is like `_.defaults` except that it recursively assigns + * default properties. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 3.10.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @see _.defaults + * @example + * + * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } }); + * // => { 'a': { 'b': 2, 'c': 3 } } + */ + var defaultsDeep = baseRest(function(args) { + args.push(undefined$1, customDefaultsMerge); + return apply(mergeWith, undefined$1, args); + }); + + /** + * This method is like `_.find` except that it returns the key of the first + * element `predicate` returns truthy for instead of the element itself. + * + * @static + * @memberOf _ + * @since 1.1.0 + * @category Object + * @param {Object} object The object to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {string|undefined} Returns the key of the matched element, + * else `undefined`. + * @example + * + * var users = { + * 'barney': { 'age': 36, 'active': true }, + * 'fred': { 'age': 40, 'active': false }, + * 'pebbles': { 'age': 1, 'active': true } + * }; + * + * _.findKey(users, function(o) { return o.age < 40; }); + * // => 'barney' (iteration order is not guaranteed) + * + * // The `_.matches` iteratee shorthand. + * _.findKey(users, { 'age': 1, 'active': true }); + * // => 'pebbles' + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findKey(users, ['active', false]); + * // => 'fred' + * + * // The `_.property` iteratee shorthand. + * _.findKey(users, 'active'); + * // => 'barney' + */ + function findKey(object, predicate) { + return baseFindKey(object, getIteratee(predicate, 3), baseForOwn); + } + + /** + * This method is like `_.findKey` except that it iterates over elements of + * a collection in the opposite order. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Object + * @param {Object} object The object to inspect. + * @param {Function} [predicate=_.identity] The function invoked per iteration. + * @returns {string|undefined} Returns the key of the matched element, + * else `undefined`. + * @example + * + * var users = { + * 'barney': { 'age': 36, 'active': true }, + * 'fred': { 'age': 40, 'active': false }, + * 'pebbles': { 'age': 1, 'active': true } + * }; + * + * _.findLastKey(users, function(o) { return o.age < 40; }); + * // => returns 'pebbles' assuming `_.findKey` returns 'barney' + * + * // The `_.matches` iteratee shorthand. + * _.findLastKey(users, { 'age': 36, 'active': true }); + * // => 'barney' + * + * // The `_.matchesProperty` iteratee shorthand. + * _.findLastKey(users, ['active', false]); + * // => 'fred' + * + * // The `_.property` iteratee shorthand. + * _.findLastKey(users, 'active'); + * // => 'pebbles' + */ + function findLastKey(object, predicate) { + return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight); + } + + /** + * Iterates over own and inherited enumerable string keyed properties of an + * object and invokes `iteratee` for each property. The iteratee is invoked + * with three arguments: (value, key, object). Iteratee functions may exit + * iteration early by explicitly returning `false`. + * + * @static + * @memberOf _ + * @since 0.3.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forInRight + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forIn(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed). + */ + function forIn(object, iteratee) { + return object == null + ? object + : baseFor(object, getIteratee(iteratee, 3), keysIn); + } + + /** + * This method is like `_.forIn` except that it iterates over properties of + * `object` in the opposite order. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forIn + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forInRight(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'. + */ + function forInRight(object, iteratee) { + return object == null + ? object + : baseForRight(object, getIteratee(iteratee, 3), keysIn); + } + + /** + * Iterates over own enumerable string keyed properties of an object and + * invokes `iteratee` for each property. The iteratee is invoked with three + * arguments: (value, key, object). Iteratee functions may exit iteration + * early by explicitly returning `false`. + * + * @static + * @memberOf _ + * @since 0.3.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forOwnRight + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forOwn(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'a' then 'b' (iteration order is not guaranteed). + */ + function forOwn(object, iteratee) { + return object && baseForOwn(object, getIteratee(iteratee, 3)); + } + + /** + * This method is like `_.forOwn` except that it iterates over properties of + * `object` in the opposite order. + * + * @static + * @memberOf _ + * @since 2.0.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns `object`. + * @see _.forOwn + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.forOwnRight(new Foo, function(value, key) { + * console.log(key); + * }); + * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'. + */ + function forOwnRight(object, iteratee) { + return object && baseForOwnRight(object, getIteratee(iteratee, 3)); + } + + /** + * Creates an array of function property names from own enumerable properties + * of `object`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to inspect. + * @returns {Array} Returns the function names. + * @see _.functionsIn + * @example + * + * function Foo() { + * this.a = _.constant('a'); + * this.b = _.constant('b'); + * } + * + * Foo.prototype.c = _.constant('c'); + * + * _.functions(new Foo); + * // => ['a', 'b'] + */ + function functions(object) { + return object == null ? [] : baseFunctions(object, keys(object)); + } + + /** + * Creates an array of function property names from own and inherited + * enumerable properties of `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to inspect. + * @returns {Array} Returns the function names. + * @see _.functions + * @example + * + * function Foo() { + * this.a = _.constant('a'); + * this.b = _.constant('b'); + * } + * + * Foo.prototype.c = _.constant('c'); + * + * _.functionsIn(new Foo); + * // => ['a', 'b', 'c'] + */ + function functionsIn(object) { + return object == null ? [] : baseFunctions(object, keysIn(object)); + } + + /** + * Gets the value at `path` of `object`. If the resolved value is + * `undefined`, the `defaultValue` is returned in its place. + * + * @static + * @memberOf _ + * @since 3.7.0 + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path of the property to get. + * @param {*} [defaultValue] The value returned for `undefined` resolved values. + * @returns {*} Returns the resolved value. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }] }; + * + * _.get(object, 'a[0].b.c'); + * // => 3 + * + * _.get(object, ['a', '0', 'b', 'c']); + * // => 3 + * + * _.get(object, 'a.b.c', 'default'); + * // => 'default' + */ + function get(object, path, defaultValue) { + var result = object == null ? undefined$1 : baseGet(object, path); + return result === undefined$1 ? defaultValue : result; + } + + /** + * Checks if `path` is a direct property of `object`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path to check. + * @returns {boolean} Returns `true` if `path` exists, else `false`. + * @example + * + * var object = { 'a': { 'b': 2 } }; + * var other = _.create({ 'a': _.create({ 'b': 2 }) }); + * + * _.has(object, 'a'); + * // => true + * + * _.has(object, 'a.b'); + * // => true + * + * _.has(object, ['a', 'b']); + * // => true + * + * _.has(other, 'a'); + * // => false + */ + function has(object, path) { + return object != null && hasPath(object, path, baseHas); + } + + /** + * Checks if `path` is a direct or inherited property of `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path to check. + * @returns {boolean} Returns `true` if `path` exists, else `false`. + * @example + * + * var object = _.create({ 'a': _.create({ 'b': 2 }) }); + * + * _.hasIn(object, 'a'); + * // => true + * + * _.hasIn(object, 'a.b'); + * // => true + * + * _.hasIn(object, ['a', 'b']); + * // => true + * + * _.hasIn(object, 'b'); + * // => false + */ + function hasIn(object, path) { + return object != null && hasPath(object, path, baseHasIn); + } + + /** + * Creates an object composed of the inverted keys and values of `object`. + * If `object` contains duplicate values, subsequent values overwrite + * property assignments of previous values. + * + * @static + * @memberOf _ + * @since 0.7.0 + * @category Object + * @param {Object} object The object to invert. + * @returns {Object} Returns the new inverted object. + * @example + * + * var object = { 'a': 1, 'b': 2, 'c': 1 }; + * + * _.invert(object); + * // => { '1': 'c', '2': 'b' } + */ + var invert = createInverter(function(result, value, key) { + if (value != null && + typeof value.toString != 'function') { + value = nativeObjectToString.call(value); + } + + result[value] = key; + }, constant(identity)); + + /** + * This method is like `_.invert` except that the inverted object is generated + * from the results of running each element of `object` thru `iteratee`. The + * corresponding inverted value of each inverted key is an array of keys + * responsible for generating the inverted value. The iteratee is invoked + * with one argument: (value). + * + * @static + * @memberOf _ + * @since 4.1.0 + * @category Object + * @param {Object} object The object to invert. + * @param {Function} [iteratee=_.identity] The iteratee invoked per element. + * @returns {Object} Returns the new inverted object. + * @example + * + * var object = { 'a': 1, 'b': 2, 'c': 1 }; + * + * _.invertBy(object); + * // => { '1': ['a', 'c'], '2': ['b'] } + * + * _.invertBy(object, function(value) { + * return 'group' + value; + * }); + * // => { 'group1': ['a', 'c'], 'group2': ['b'] } + */ + var invertBy = createInverter(function(result, value, key) { + if (value != null && + typeof value.toString != 'function') { + value = nativeObjectToString.call(value); + } + + if (hasOwnProperty.call(result, value)) { + result[value].push(key); + } else { + result[value] = [key]; + } + }, getIteratee); + + /** + * Invokes the method at `path` of `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path of the method to invoke. + * @param {...*} [args] The arguments to invoke the method with. + * @returns {*} Returns the result of the invoked method. + * @example + * + * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] }; + * + * _.invoke(object, 'a[0].b.c.slice', 1, 3); + * // => [2, 3] + */ + var invoke = baseRest(baseInvoke); + + /** + * Creates an array of the own enumerable property names of `object`. + * + * **Note:** Non-object values are coerced to objects. See the + * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) + * for more details. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.keys(new Foo); + * // => ['a', 'b'] (iteration order is not guaranteed) + * + * _.keys('hi'); + * // => ['0', '1'] + */ + function keys(object) { + return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object); + } + + /** + * Creates an array of the own and inherited enumerable property names of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.keysIn(new Foo); + * // => ['a', 'b', 'c'] (iteration order is not guaranteed) + */ + function keysIn(object) { + return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object); + } + + /** + * The opposite of `_.mapValues`; this method creates an object with the + * same values as `object` and keys generated by running each own enumerable + * string keyed property of `object` thru `iteratee`. The iteratee is invoked + * with three arguments: (value, key, object). + * + * @static + * @memberOf _ + * @since 3.8.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns the new mapped object. + * @see _.mapValues + * @example + * + * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) { + * return key + value; + * }); + * // => { 'a1': 1, 'b2': 2 } + */ + function mapKeys(object, iteratee) { + var result = {}; + iteratee = getIteratee(iteratee, 3); + + baseForOwn(object, function(value, key, object) { + baseAssignValue(result, iteratee(value, key, object), value); + }); + return result; + } + + /** + * Creates an object with the same keys as `object` and values generated + * by running each own enumerable string keyed property of `object` thru + * `iteratee`. The iteratee is invoked with three arguments: + * (value, key, object). + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @returns {Object} Returns the new mapped object. + * @see _.mapKeys + * @example + * + * var users = { + * 'fred': { 'user': 'fred', 'age': 40 }, + * 'pebbles': { 'user': 'pebbles', 'age': 1 } + * }; + * + * _.mapValues(users, function(o) { return o.age; }); + * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) + * + * // The `_.property` iteratee shorthand. + * _.mapValues(users, 'age'); + * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) + */ + function mapValues(object, iteratee) { + var result = {}; + iteratee = getIteratee(iteratee, 3); + + baseForOwn(object, function(value, key, object) { + baseAssignValue(result, key, iteratee(value, key, object)); + }); + return result; + } + + /** + * This method is like `_.assign` except that it recursively merges own and + * inherited enumerable string keyed properties of source objects into the + * destination object. Source properties that resolve to `undefined` are + * skipped if a destination value exists. Array and plain object properties + * are merged recursively. Other objects and value types are overridden by + * assignment. Source objects are applied from left to right. Subsequent + * sources overwrite property assignments of previous sources. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @example + * + * var object = { + * 'a': [{ 'b': 2 }, { 'd': 4 }] + * }; + * + * var other = { + * 'a': [{ 'c': 3 }, { 'e': 5 }] + * }; + * + * _.merge(object, other); + * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] } + */ + var merge = createAssigner(function(object, source, srcIndex) { + baseMerge(object, source, srcIndex); + }); + + /** + * This method is like `_.merge` except that it accepts `customizer` which + * is invoked to produce the merged values of the destination and source + * properties. If `customizer` returns `undefined`, merging is handled by the + * method instead. The `customizer` is invoked with six arguments: + * (objValue, srcValue, key, object, source, stack). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} sources The source objects. + * @param {Function} customizer The function to customize assigned values. + * @returns {Object} Returns `object`. + * @example + * + * function customizer(objValue, srcValue) { + * if (_.isArray(objValue)) { + * return objValue.concat(srcValue); + * } + * } + * + * var object = { 'a': [1], 'b': [2] }; + * var other = { 'a': [3], 'b': [4] }; + * + * _.mergeWith(object, other, customizer); + * // => { 'a': [1, 3], 'b': [2, 4] } + */ + var mergeWith = createAssigner(function(object, source, srcIndex, customizer) { + baseMerge(object, source, srcIndex, customizer); + }); + + /** + * The opposite of `_.pick`; this method creates an object composed of the + * own and inherited enumerable property paths of `object` that are not omitted. + * + * **Note:** This method is considerably slower than `_.pick`. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The source object. + * @param {...(string|string[])} [paths] The property paths to omit. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.omit(object, ['a', 'c']); + * // => { 'b': '2' } + */ + var omit = flatRest(function(object, paths) { + var result = {}; + if (object == null) { + return result; + } + var isDeep = false; + paths = arrayMap(paths, function(path) { + path = castPath(path, object); + isDeep || (isDeep = path.length > 1); + return path; + }); + copyObject(object, getAllKeysIn(object), result); + if (isDeep) { + result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone); + } + var length = paths.length; + while (length--) { + baseUnset(result, paths[length]); + } + return result; + }); + + /** + * The opposite of `_.pickBy`; this method creates an object composed of + * the own and inherited enumerable string keyed properties of `object` that + * `predicate` doesn't return truthy for. The predicate is invoked with two + * arguments: (value, key). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The source object. + * @param {Function} [predicate=_.identity] The function invoked per property. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.omitBy(object, _.isNumber); + * // => { 'b': '2' } + */ + function omitBy(object, predicate) { + return pickBy(object, negate(getIteratee(predicate))); + } + + /** + * Creates an object composed of the picked `object` properties. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The source object. + * @param {...(string|string[])} [paths] The property paths to pick. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.pick(object, ['a', 'c']); + * // => { 'a': 1, 'c': 3 } + */ + var pick = flatRest(function(object, paths) { + return object == null ? {} : basePick(object, paths); + }); + + /** + * Creates an object composed of the `object` properties `predicate` returns + * truthy for. The predicate is invoked with two arguments: (value, key). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The source object. + * @param {Function} [predicate=_.identity] The function invoked per property. + * @returns {Object} Returns the new object. + * @example + * + * var object = { 'a': 1, 'b': '2', 'c': 3 }; + * + * _.pickBy(object, _.isNumber); + * // => { 'a': 1, 'c': 3 } + */ + function pickBy(object, predicate) { + if (object == null) { + return {}; + } + var props = arrayMap(getAllKeysIn(object), function(prop) { + return [prop]; + }); + predicate = getIteratee(predicate); + return basePickBy(object, props, function(value, path) { + return predicate(value, path[0]); + }); + } + + /** + * This method is like `_.get` except that if the resolved value is a + * function it's invoked with the `this` binding of its parent object and + * its result is returned. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @param {Array|string} path The path of the property to resolve. + * @param {*} [defaultValue] The value returned for `undefined` resolved values. + * @returns {*} Returns the resolved value. + * @example + * + * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] }; + * + * _.result(object, 'a[0].b.c1'); + * // => 3 + * + * _.result(object, 'a[0].b.c2'); + * // => 4 + * + * _.result(object, 'a[0].b.c3', 'default'); + * // => 'default' + * + * _.result(object, 'a[0].b.c3', _.constant('default')); + * // => 'default' + */ + function result(object, path, defaultValue) { + path = castPath(path, object); + + var index = -1, + length = path.length; + + // Ensure the loop is entered when path is empty. + if (!length) { + length = 1; + object = undefined$1; + } + while (++index < length) { + var value = object == null ? undefined$1 : object[toKey(path[index])]; + if (value === undefined$1) { + index = length; + value = defaultValue; + } + object = isFunction(value) ? value.call(object) : value; + } + return object; + } + + /** + * Sets the value at `path` of `object`. If a portion of `path` doesn't exist, + * it's created. Arrays are created for missing index properties while objects + * are created for all other missing properties. Use `_.setWith` to customize + * `path` creation. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 3.7.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {*} value The value to set. + * @returns {Object} Returns `object`. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }] }; + * + * _.set(object, 'a[0].b.c', 4); + * console.log(object.a[0].b.c); + * // => 4 + * + * _.set(object, ['x', '0', 'y', 'z'], 5); + * console.log(object.x[0].y.z); + * // => 5 + */ + function set(object, path, value) { + return object == null ? object : baseSet(object, path, value); + } + + /** + * This method is like `_.set` except that it accepts `customizer` which is + * invoked to produce the objects of `path`. If `customizer` returns `undefined` + * path creation is handled by the method instead. The `customizer` is invoked + * with three arguments: (nsValue, key, nsObject). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {*} value The value to set. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @example + * + * var object = {}; + * + * _.setWith(object, '[0][1]', 'a', Object); + * // => { '0': { '1': 'a' } } + */ + function setWith(object, path, value, customizer) { + customizer = typeof customizer == 'function' ? customizer : undefined$1; + return object == null ? object : baseSet(object, path, value, customizer); + } + + /** + * Creates an array of own enumerable string keyed-value pairs for `object` + * which can be consumed by `_.fromPairs`. If `object` is a map or set, its + * entries are returned. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias entries + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the key-value pairs. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.toPairs(new Foo); + * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed) + */ + var toPairs = createToPairs(keys); + + /** + * Creates an array of own and inherited enumerable string keyed-value pairs + * for `object` which can be consumed by `_.fromPairs`. If `object` is a map + * or set, its entries are returned. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @alias entriesIn + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the key-value pairs. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.toPairsIn(new Foo); + * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed) + */ + var toPairsIn = createToPairs(keysIn); + + /** + * An alternative to `_.reduce`; this method transforms `object` to a new + * `accumulator` object which is the result of running each of its own + * enumerable string keyed properties thru `iteratee`, with each invocation + * potentially mutating the `accumulator` object. If `accumulator` is not + * provided, a new object with the same `[[Prototype]]` will be used. The + * iteratee is invoked with four arguments: (accumulator, value, key, object). + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * @static + * @memberOf _ + * @since 1.3.0 + * @category Object + * @param {Object} object The object to iterate over. + * @param {Function} [iteratee=_.identity] The function invoked per iteration. + * @param {*} [accumulator] The custom accumulator value. + * @returns {*} Returns the accumulated value. + * @example + * + * _.transform([2, 3, 4], function(result, n) { + * result.push(n *= n); + * return n % 2 == 0; + * }, []); + * // => [4, 9] + * + * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { + * (result[value] || (result[value] = [])).push(key); + * }, {}); + * // => { '1': ['a', 'c'], '2': ['b'] } + */ + function transform(object, iteratee, accumulator) { + var isArr = isArray(object), + isArrLike = isArr || isBuffer(object) || isTypedArray(object); + + iteratee = getIteratee(iteratee, 4); + if (accumulator == null) { + var Ctor = object && object.constructor; + if (isArrLike) { + accumulator = isArr ? new Ctor : []; + } + else if (isObject(object)) { + accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {}; + } + else { + accumulator = {}; + } + } + (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) { + return iteratee(accumulator, value, index, object); + }); + return accumulator; + } + + /** + * Removes the property at `path` of `object`. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to unset. + * @returns {boolean} Returns `true` if the property is deleted, else `false`. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 7 } }] }; + * _.unset(object, 'a[0].b.c'); + * // => true + * + * console.log(object); + * // => { 'a': [{ 'b': {} }] }; + * + * _.unset(object, ['a', '0', 'b', 'c']); + * // => true + * + * console.log(object); + * // => { 'a': [{ 'b': {} }] }; + */ + function unset(object, path) { + return object == null ? true : baseUnset(object, path); + } + + /** + * This method is like `_.set` except that accepts `updater` to produce the + * value to set. Use `_.updateWith` to customize `path` creation. The `updater` + * is invoked with one argument: (value). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.6.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {Function} updater The function to produce the updated value. + * @returns {Object} Returns `object`. + * @example + * + * var object = { 'a': [{ 'b': { 'c': 3 } }] }; + * + * _.update(object, 'a[0].b.c', function(n) { return n * n; }); + * console.log(object.a[0].b.c); + * // => 9 + * + * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; }); + * console.log(object.x[0].y.z); + * // => 0 + */ + function update(object, path, updater) { + return object == null ? object : baseUpdate(object, path, castFunction(updater)); + } + + /** + * This method is like `_.update` except that it accepts `customizer` which is + * invoked to produce the objects of `path`. If `customizer` returns `undefined` + * path creation is handled by the method instead. The `customizer` is invoked + * with three arguments: (nsValue, key, nsObject). + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 4.6.0 + * @category Object + * @param {Object} object The object to modify. + * @param {Array|string} path The path of the property to set. + * @param {Function} updater The function to produce the updated value. + * @param {Function} [customizer] The function to customize assigned values. + * @returns {Object} Returns `object`. + * @example + * + * var object = {}; + * + * _.updateWith(object, '[0][1]', _.constant('a'), Object); + * // => { '0': { '1': 'a' } } + */ + function updateWith(object, path, updater, customizer) { + customizer = typeof customizer == 'function' ? customizer : undefined$1; + return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer); + } + + /** + * Creates an array of the own enumerable string keyed property values of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property values. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.values(new Foo); + * // => [1, 2] (iteration order is not guaranteed) + * + * _.values('hi'); + * // => ['h', 'i'] + */ + function values(object) { + return object == null ? [] : baseValues(object, keys(object)); + } + + /** + * Creates an array of the own and inherited enumerable string keyed property + * values of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property values. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.valuesIn(new Foo); + * // => [1, 2, 3] (iteration order is not guaranteed) + */ + function valuesIn(object) { + return object == null ? [] : baseValues(object, keysIn(object)); + } + + /*------------------------------------------------------------------------*/ + + /** + * Clamps `number` within the inclusive `lower` and `upper` bounds. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Number + * @param {number} number The number to clamp. + * @param {number} [lower] The lower bound. + * @param {number} upper The upper bound. + * @returns {number} Returns the clamped number. + * @example + * + * _.clamp(-10, -5, 5); + * // => -5 + * + * _.clamp(10, -5, 5); + * // => 5 + */ + function clamp(number, lower, upper) { + if (upper === undefined$1) { + upper = lower; + lower = undefined$1; + } + if (upper !== undefined$1) { + upper = toNumber(upper); + upper = upper === upper ? upper : 0; + } + if (lower !== undefined$1) { + lower = toNumber(lower); + lower = lower === lower ? lower : 0; + } + return baseClamp(toNumber(number), lower, upper); + } + + /** + * Checks if `n` is between `start` and up to, but not including, `end`. If + * `end` is not specified, it's set to `start` with `start` then set to `0`. + * If `start` is greater than `end` the params are swapped to support + * negative ranges. + * + * @static + * @memberOf _ + * @since 3.3.0 + * @category Number + * @param {number} number The number to check. + * @param {number} [start=0] The start of the range. + * @param {number} end The end of the range. + * @returns {boolean} Returns `true` if `number` is in the range, else `false`. + * @see _.range, _.rangeRight + * @example + * + * _.inRange(3, 2, 4); + * // => true + * + * _.inRange(4, 8); + * // => true + * + * _.inRange(4, 2); + * // => false + * + * _.inRange(2, 2); + * // => false + * + * _.inRange(1.2, 2); + * // => true + * + * _.inRange(5.2, 4); + * // => false + * + * _.inRange(-3, -2, -6); + * // => true + */ + function inRange(number, start, end) { + start = toFinite(start); + if (end === undefined$1) { + end = start; + start = 0; + } else { + end = toFinite(end); + } + number = toNumber(number); + return baseInRange(number, start, end); + } + + /** + * Produces a random number between the inclusive `lower` and `upper` bounds. + * If only one argument is provided a number between `0` and the given number + * is returned. If `floating` is `true`, or either `lower` or `upper` are + * floats, a floating-point number is returned instead of an integer. + * + * **Note:** JavaScript follows the IEEE-754 standard for resolving + * floating-point values which can produce unexpected results. + * + * @static + * @memberOf _ + * @since 0.7.0 + * @category Number + * @param {number} [lower=0] The lower bound. + * @param {number} [upper=1] The upper bound. + * @param {boolean} [floating] Specify returning a floating-point number. + * @returns {number} Returns the random number. + * @example + * + * _.random(0, 5); + * // => an integer between 0 and 5 + * + * _.random(5); + * // => also an integer between 0 and 5 + * + * _.random(5, true); + * // => a floating-point number between 0 and 5 + * + * _.random(1.2, 5.2); + * // => a floating-point number between 1.2 and 5.2 + */ + function random(lower, upper, floating) { + if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) { + upper = floating = undefined$1; + } + if (floating === undefined$1) { + if (typeof upper == 'boolean') { + floating = upper; + upper = undefined$1; + } + else if (typeof lower == 'boolean') { + floating = lower; + lower = undefined$1; + } + } + if (lower === undefined$1 && upper === undefined$1) { + lower = 0; + upper = 1; + } + else { + lower = toFinite(lower); + if (upper === undefined$1) { + upper = lower; + lower = 0; + } else { + upper = toFinite(upper); + } + } + if (lower > upper) { + var temp = lower; + lower = upper; + upper = temp; + } + if (floating || lower % 1 || upper % 1) { + var rand = nativeRandom(); + return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper); + } + return baseRandom(lower, upper); + } + + /*------------------------------------------------------------------------*/ + + /** + * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the camel cased string. + * @example + * + * _.camelCase('Foo Bar'); + * // => 'fooBar' + * + * _.camelCase('--foo-bar--'); + * // => 'fooBar' + * + * _.camelCase('__FOO_BAR__'); + * // => 'fooBar' + */ + var camelCase = createCompounder(function(result, word, index) { + word = word.toLowerCase(); + return result + (index ? capitalize(word) : word); + }); + + /** + * Converts the first character of `string` to upper case and the remaining + * to lower case. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to capitalize. + * @returns {string} Returns the capitalized string. + * @example + * + * _.capitalize('FRED'); + * // => 'Fred' + */ + function capitalize(string) { + return upperFirst(toString(string).toLowerCase()); + } + + /** + * Deburrs `string` by converting + * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table) + * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A) + * letters to basic Latin letters and removing + * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to deburr. + * @returns {string} Returns the deburred string. + * @example + * + * _.deburr('déjà vu'); + * // => 'deja vu' + */ + function deburr(string) { + string = toString(string); + return string && string.replace(reLatin, deburrLetter).replace(reComboMark, ''); + } + + /** + * Checks if `string` ends with the given target string. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to inspect. + * @param {string} [target] The string to search for. + * @param {number} [position=string.length] The position to search up to. + * @returns {boolean} Returns `true` if `string` ends with `target`, + * else `false`. + * @example + * + * _.endsWith('abc', 'c'); + * // => true + * + * _.endsWith('abc', 'b'); + * // => false + * + * _.endsWith('abc', 'b', 2); + * // => true + */ + function endsWith(string, target, position) { + string = toString(string); + target = baseToString(target); + + var length = string.length; + position = position === undefined$1 + ? length + : baseClamp(toInteger(position), 0, length); + + var end = position; + position -= target.length; + return position >= 0 && string.slice(position, end) == target; + } + + /** + * Converts the characters "&", "<", ">", '"', and "'" in `string` to their + * corresponding HTML entities. + * + * **Note:** No other characters are escaped. To escape additional + * characters use a third-party library like [_he_](https://mths.be/he). + * + * Though the ">" character is escaped for symmetry, characters like + * ">" and "/" don't need escaping in HTML and have no special meaning + * unless they're part of a tag or unquoted attribute value. See + * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands) + * (under "semi-related fun fact") for more details. + * + * When working with HTML you should always + * [quote attribute values](http://wonko.com/post/html-escaping) to reduce + * XSS vectors. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category String + * @param {string} [string=''] The string to escape. + * @returns {string} Returns the escaped string. + * @example + * + * _.escape('fred, barney, & pebbles'); + * // => 'fred, barney, & pebbles' + */ + function escape(string) { + string = toString(string); + return (string && reHasUnescapedHtml.test(string)) + ? string.replace(reUnescapedHtml, escapeHtmlChar) + : string; + } + + /** + * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+", + * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to escape. + * @returns {string} Returns the escaped string. + * @example + * + * _.escapeRegExp('[lodash](https://lodash.com/)'); + * // => '\[lodash\]\(https://lodash\.com/\)' + */ + function escapeRegExp(string) { + string = toString(string); + return (string && reHasRegExpChar.test(string)) + ? string.replace(reRegExpChar, '\\$&') + : string; + } + + /** + * Converts `string` to + * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the kebab cased string. + * @example + * + * _.kebabCase('Foo Bar'); + * // => 'foo-bar' + * + * _.kebabCase('fooBar'); + * // => 'foo-bar' + * + * _.kebabCase('__FOO_BAR__'); + * // => 'foo-bar' + */ + var kebabCase = createCompounder(function(result, word, index) { + return result + (index ? '-' : '') + word.toLowerCase(); + }); + + /** + * Converts `string`, as space separated words, to lower case. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the lower cased string. + * @example + * + * _.lowerCase('--Foo-Bar--'); + * // => 'foo bar' + * + * _.lowerCase('fooBar'); + * // => 'foo bar' + * + * _.lowerCase('__FOO_BAR__'); + * // => 'foo bar' + */ + var lowerCase = createCompounder(function(result, word, index) { + return result + (index ? ' ' : '') + word.toLowerCase(); + }); + + /** + * Converts the first character of `string` to lower case. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the converted string. + * @example + * + * _.lowerFirst('Fred'); + * // => 'fred' + * + * _.lowerFirst('FRED'); + * // => 'fRED' + */ + var lowerFirst = createCaseFirst('toLowerCase'); + + /** + * Pads `string` on the left and right sides if it's shorter than `length`. + * Padding characters are truncated if they can't be evenly divided by `length`. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to pad. + * @param {number} [length=0] The padding length. + * @param {string} [chars=' '] The string used as padding. + * @returns {string} Returns the padded string. + * @example + * + * _.pad('abc', 8); + * // => ' abc ' + * + * _.pad('abc', 8, '_-'); + * // => '_-abc_-_' + * + * _.pad('abc', 3); + * // => 'abc' + */ + function pad(string, length, chars) { + string = toString(string); + length = toInteger(length); + + var strLength = length ? stringSize(string) : 0; + if (!length || strLength >= length) { + return string; + } + var mid = (length - strLength) / 2; + return ( + createPadding(nativeFloor(mid), chars) + + string + + createPadding(nativeCeil(mid), chars) + ); + } + + /** + * Pads `string` on the right side if it's shorter than `length`. Padding + * characters are truncated if they exceed `length`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to pad. + * @param {number} [length=0] The padding length. + * @param {string} [chars=' '] The string used as padding. + * @returns {string} Returns the padded string. + * @example + * + * _.padEnd('abc', 6); + * // => 'abc ' + * + * _.padEnd('abc', 6, '_-'); + * // => 'abc_-_' + * + * _.padEnd('abc', 3); + * // => 'abc' + */ + function padEnd(string, length, chars) { + string = toString(string); + length = toInteger(length); + + var strLength = length ? stringSize(string) : 0; + return (length && strLength < length) + ? (string + createPadding(length - strLength, chars)) + : string; + } + + /** + * Pads `string` on the left side if it's shorter than `length`. Padding + * characters are truncated if they exceed `length`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to pad. + * @param {number} [length=0] The padding length. + * @param {string} [chars=' '] The string used as padding. + * @returns {string} Returns the padded string. + * @example + * + * _.padStart('abc', 6); + * // => ' abc' + * + * _.padStart('abc', 6, '_-'); + * // => '_-_abc' + * + * _.padStart('abc', 3); + * // => 'abc' + */ + function padStart(string, length, chars) { + string = toString(string); + length = toInteger(length); + + var strLength = length ? stringSize(string) : 0; + return (length && strLength < length) + ? (createPadding(length - strLength, chars) + string) + : string; + } + + /** + * Converts `string` to an integer of the specified radix. If `radix` is + * `undefined` or `0`, a `radix` of `10` is used unless `value` is a + * hexadecimal, in which case a `radix` of `16` is used. + * + * **Note:** This method aligns with the + * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`. + * + * @static + * @memberOf _ + * @since 1.1.0 + * @category String + * @param {string} string The string to convert. + * @param {number} [radix=10] The radix to interpret `value` by. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {number} Returns the converted integer. + * @example + * + * _.parseInt('08'); + * // => 8 + * + * _.map(['6', '08', '10'], _.parseInt); + * // => [6, 8, 10] + */ + function parseInt(string, radix, guard) { + if (guard || radix == null) { + radix = 0; + } else if (radix) { + radix = +radix; + } + return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0); + } + + /** + * Repeats the given string `n` times. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to repeat. + * @param {number} [n=1] The number of times to repeat the string. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {string} Returns the repeated string. + * @example + * + * _.repeat('*', 3); + * // => '***' + * + * _.repeat('abc', 2); + * // => 'abcabc' + * + * _.repeat('abc', 0); + * // => '' + */ + function repeat(string, n, guard) { + if ((guard ? isIterateeCall(string, n, guard) : n === undefined$1)) { + n = 1; + } else { + n = toInteger(n); + } + return baseRepeat(toString(string), n); + } + + /** + * Replaces matches for `pattern` in `string` with `replacement`. + * + * **Note:** This method is based on + * [`String#replace`](https://mdn.io/String/replace). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to modify. + * @param {RegExp|string} pattern The pattern to replace. + * @param {Function|string} replacement The match replacement. + * @returns {string} Returns the modified string. + * @example + * + * _.replace('Hi Fred', 'Fred', 'Barney'); + * // => 'Hi Barney' + */ + function replace() { + var args = arguments, + string = toString(args[0]); + + return args.length < 3 ? string : string.replace(args[1], args[2]); + } + + /** + * Converts `string` to + * [snake case](https://en.wikipedia.org/wiki/Snake_case). + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the snake cased string. + * @example + * + * _.snakeCase('Foo Bar'); + * // => 'foo_bar' + * + * _.snakeCase('fooBar'); + * // => 'foo_bar' + * + * _.snakeCase('--FOO-BAR--'); + * // => 'foo_bar' + */ + var snakeCase = createCompounder(function(result, word, index) { + return result + (index ? '_' : '') + word.toLowerCase(); + }); + + /** + * Splits `string` by `separator`. + * + * **Note:** This method is based on + * [`String#split`](https://mdn.io/String/split). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category String + * @param {string} [string=''] The string to split. + * @param {RegExp|string} separator The separator pattern to split by. + * @param {number} [limit] The length to truncate results to. + * @returns {Array} Returns the string segments. + * @example + * + * _.split('a-b-c', '-', 2); + * // => ['a', 'b'] + */ + function split(string, separator, limit) { + if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) { + separator = limit = undefined$1; + } + limit = limit === undefined$1 ? MAX_ARRAY_LENGTH : limit >>> 0; + if (!limit) { + return []; + } + string = toString(string); + if (string && ( + typeof separator == 'string' || + (separator != null && !isRegExp(separator)) + )) { + separator = baseToString(separator); + if (!separator && hasUnicode(string)) { + return castSlice(stringToArray(string), 0, limit); + } + } + return string.split(separator, limit); + } + + /** + * Converts `string` to + * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage). + * + * @static + * @memberOf _ + * @since 3.1.0 + * @category String + * @param {string} [string=''] The string to convert. + * @returns {string} Returns the start cased string. + * @example + * + * _.startCase('--foo-bar--'); + * // => 'Foo Bar' + * + * _.startCase('fooBar'); + * // => 'Foo Bar' + * + * _.startCase('__FOO_BAR__'); + * // => 'FOO BAR' + */ + var startCase = createCompounder(function(result, word, index) { + return result + (index ? ' ' : '') + upperFirst(word); + }); + + /** + * Checks if `string` starts with the given target string. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category String + * @param {string} [string=''] The string to inspect. + * @param {string} [target] The string to search for. + * @param {number} [position=0] The position to search from. + * @returns {boolean} Returns `true` if `string` starts with `target`, + * else `false`. + * @example + * + * _.startsWith('abc', 'a'); + * // => true + * + * _.startsWith('abc', 'b'); + * // => false + * + * _.startsWith('abc', 'b', 1); + * // => true + */ + function startsWith(string, target, position) { + string = toString(string); + position = position == null + ? 0 + : baseClamp(toInteger(position), 0, string.length); + + target = baseToString(target); + return string.slice(position, position + target.length) == target; + } + + /** + * Creates a compiled template function that can interpolate data properties + * in "interpolate" delimiters, HTML-escape interpolated data properties in + * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data + * properties may be accessed as free variables in the template. If a setting + * object is given, it takes precedence over `_.templateSettings` values. + * + * **Note:** In the development build `_.template` utilizes + * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl) + * for easier debugging. + * + * For more information on precompiling templates see + * [lodash's custom builds documentation](https://lodash.com/custom-builds). + * + * For more information on Chrome extension sandboxes see + * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval). + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category String + * @param {string} [string=''] The template string. + * @param {Object} [options={}] The options object. + * @param {RegExp} [options.escape=_.templateSettings.escape] + * The HTML "escape" delimiter. + * @param {RegExp} [options.evaluate=_.templateSettings.evaluate] + * The "evaluate" delimiter. + * @param {Object} [options.imports=_.templateSettings.imports] + * An object to import into the template as free variables. + * @param {RegExp} [options.interpolate=_.templateSettings.interpolate] + * The "interpolate" delimiter. + * @param {string} [options.sourceURL='lodash.templateSources[n]'] + * The sourceURL of the compiled template. + * @param {string} [options.variable='obj'] + * The data object variable name. + * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. + * @returns {Function} Returns the compiled template function. + * @example + * + * // Use the "interpolate" delimiter to create a compiled template. + * var compiled = _.template('hello <%= user %>!'); + * compiled({ 'user': 'fred' }); + * // => 'hello fred!' + * + * // Use the HTML "escape" delimiter to escape data property values. + * var compiled = _.template('<%- value %>'); + * compiled({ 'value': ' + + + + +
+
+
+ geojson.io +
+
+
+
+ powered by +
+
+
+ +
+
+
+
+ + + + + \ No newline at end of file diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 000000000..b5e3c482d --- /dev/null +++ b/package-lock.json @@ -0,0 +1,10094 @@ +{ + "name": "geojson.io", + "version": "0.1.1", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "geojson.io", + "version": "0.1.1", + "license": "ISC", + "dependencies": { + "@fortawesome/fontawesome-free": "^6.2.0", + "@mapbox/geojson-extent": "^1.0.1", + "@mapbox/geojson-normalize": "0.0.1", + "@mapbox/geojson-rewind": "0.5.2", + "@mapbox/geojsonhint": "^3.2.0", + "@mapbox/gist-map-browser": "0.2.1", + "@mapbox/github-file-browser": "0.6.1", + "@mapbox/maki": "^8.0.1", + "@mapbox/mapbox-gl-draw": "1.4.1", + "@mapbox/mapbox-gl-geocoder": "^5.0.2", + "@mapbox/polyline": "^1.1.1", + "@placemarkio/tokml": "^0.3.3", + "@popperjs/core": "^2.11.6", + "@sentry/browser": "^7.20.0", + "@sentry/tracing": "^7.20.0", + "@tmcw/togeojson": "5.2.2", + "@turf/area": "^6.5.0", + 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"^6.2.0", + "@mapbox/geojson-extent": "^1.0.1", + "@mapbox/geojson-normalize": "0.0.1", + "@mapbox/geojson-rewind": "0.5.2", + "@mapbox/geojsonhint": "^3.2.0", + "@mapbox/gist-map-browser": "0.2.1", + "@mapbox/github-file-browser": "0.6.1", + "@mapbox/maki": "^8.0.1", + "@mapbox/mapbox-gl-draw": "1.4.1", + "@mapbox/mapbox-gl-geocoder": "^5.0.2", + "@mapbox/polyline": "^1.1.1", + "@placemarkio/tokml": "^0.3.3", + "@popperjs/core": "^2.11.6", + "@sentry/browser": "^7.20.0", + "@sentry/tracing": "^7.20.0", + "@tmcw/togeojson": "5.2.2", + "@turf/area": "^6.5.0", + "@turf/bbox": "^6.5.0", + "@turf/circle": "^6.5.0", + "@turf/length": "^6.5.0", + "bowser": "^2.11.0", + "buffer": "^6.0.3", + "clone": "0.1.16", + "codemirror": "5.65.9", + "csv2geojson": "5.1.2", + "d3": "3.5.17", + "d3-metatable": "0.3.0", + "escape-html": "^1.0.1", + "file-saver": "2.0.5", + "geojson-flatten": "^1.0.4", + "geojson-random": "0.1.0", + "geojson2dsv": "0.1.0", + "lodash": "^4.17.21", + "mapbox-gl": "^3.5.2", + "numeral": "^2.0.6", + "osmtogeojson": "3.0.0-beta.5", + "polytogeojson": "0.0.1", + "qs-hash": "0.0.0", + "shp-write": "0.3.2", + "smash": "0.0.15", + "store": "1.3.14", + "topojson-client": "3.1.0", + "topojson-server": "3.0.1", + "wellknown": "0.5.0", + "wkx": "^0.5.0", + "xtend": "3.0.0" + }, + "devDependencies": { + "@jackfranklin/rollup-plugin-markdown": "^0.4.0", + "@mapbox/eslint-config-mapbox": "^3.0.0", + "@rollup/plugin-commonjs": "^23.0.2", + "@rollup/plugin-json": "^5.0.1", + "@rollup/plugin-node-resolve": "^15.0.1", + "@rollup/plugin-replace": "^5.0.1", + "@rollup/plugin-terser": "^0.2.0", + "@vercel/git-hooks": "^1.0.0", + "babelify": "^10.0.0", + "concurrently": "^7.6.0", + "envify": "^4.1.0", + "eslint": "^8.25.0", + "eslint-config-prettier": "^8.5.0", + "eslint-plugin-prettier": "^4.2.1", + "lint-staged": "^13.0.3", + "live-server": "^1.2.2", + "prettier": "^2.7.1", + "rollup": "^2.79.1", + "rollup-plugin-copy": "^3.4.0", + "rollup-plugin-import-css": "^3.1.0", + "rollup-plugin-polyfill-node": "^0.11.0", + "tailwindcss": "^3.2.3", + "tape": "^5.6.1" + }, + "scripts": { + "lint": "eslint src/**/*.js", + "format": "prettier --write src/**/*.{js,md,html,css}", + "git-pre-commit": "lint-staged", + "test": "npm run lint", + "test-browser": "browserify test/index.js | testling", + "start": "concurrently --kill-others --names live-server rollup \"live-server --ignore=\"$PWD/src/**,$PWD/dist/webfonts/**,$PWD/.git\"\" \"rollup -cw\" \"npx tailwindcss -i $PWD/src/css/tailwind_src.css -o $PWD/dist/css/tailwind_dist.css --watch\"", + "build": "rimraf dist && npx tailwindcss -i ./src/css/tailwind_src.css -o ./dist/css/tailwind_dist.css && rollup -c", + "serve": "live-server", + "deploy": "sh deploy.sh" + }, + "lint-staged": { + "src/**/*.js": "eslint --fix", + "src/**/*.{js,md,html,css}": "prettier --write" + }, + "repository": { + "type": "git", + "url": "git://github.com/mapbox/geojson.io.git" + }, + "author": "MapBox", + "license": "ISC", + "bugs": { + "url": "https://github.com/mapbox/geojson.io/issues" + }, + "window": { + "toolbar": false + } +} diff --git a/rollup.config.js b/rollup.config.js new file mode 100644 index 000000000..773279810 --- /dev/null +++ b/rollup.config.js @@ -0,0 +1,64 @@ +import resolve from '@rollup/plugin-node-resolve'; +import nodePolyfills from 'rollup-plugin-polyfill-node'; +import replace from '@rollup/plugin-replace'; +import markdown from '@jackfranklin/rollup-plugin-markdown'; +import css from 'rollup-plugin-import-css'; +import copy from 'rollup-plugin-copy'; + +import commonjs from '@rollup/plugin-commonjs'; +import json from '@rollup/plugin-json'; + +const production = !process.env.ROLLUP_WATCH; + +export default { + input: 'src/index.js', + output: { + file: 'dist/bundle.js', + format: 'iife', + sourcemap: true, + strict: false + }, + plugins: [ + commonjs({ + include: ['./src/**/*', './node_modules/**/*'], + transformMixedEsModules: true + }), + + replace({ + 'require.main === module': 'false' // jsonhint export quirk + }), + + resolve({ + browser: true, + preferBuiltins: true + }), + + json(), + + nodePolyfills(), + + markdown(), + + css({ + output: './dist/css/bundle.css', + minify: production + }), + + copy({ + targets: [ + { + src: 'node_modules/@fortawesome/fontawesome-free/webfonts', + dest: './dist' + }, + { + src: 'node_modules/@mapbox/maki/icons', + dest: './dist' + }, + { + src: 'img/marker-chars/*.svg', + dest: './dist/icons' + } + ] + }) + ] +}; diff --git a/src/config.js b/src/config.js new file mode 100644 index 000000000..9c4f88865 --- /dev/null +++ b/src/config.js @@ -0,0 +1,5 @@ +module.exports = function () { + return { + GithubAPI: false + }; +}; diff --git a/src/constants.js b/src/constants.js new file mode 100644 index 000000000..a8cd7583c --- /dev/null +++ b/src/constants.js @@ -0,0 +1,7 @@ +module.exports = { + DEFAULT_PROJECTION: 'globe', + DEFAULT_STYLE: 'Standard', + DEFAULT_DARK_FEATURE_COLOR: '#555', + DEFAULT_LIGHT_FEATURE_COLOR: '#e8e8e8', + DEFAULT_SATELLITE_FEATURE_COLOR: '#00f900' +}; diff --git a/src/core/api.js b/src/core/api.js new file mode 100644 index 000000000..c924c5de5 --- /dev/null +++ b/src/core/api.js @@ -0,0 +1,55 @@ +module.exports = api; + +function api(context) { + if (typeof console === 'undefined' || !console || !console.log) return; + + console.log( + '%c⚛ geojson.io console api ⚛', + 'font-family:monospace;font-size:20px;color:darkblue;' + ); + console.log( + '%cfrom here, you can customize geojson.io to your liking by mucking around with the internals', + 'font-family:monospace;font-size:14px;color:darkblue;' + ); + console.log("%chere's what's available ↓", 'color:blue;'); + console.log(''); + + console.log( + '%c- window.api.map: the mapboxgl map object', + 'font-weight:bold;' + ); + console.log('%O', context.map); + + console.log( + '%c- window.api.draw: the mapbox-gl-draw instance', + 'font-weight:bold;' + ); + console.log('%O', context.Draw); + + console.log(''); + + console.log('%c- window.api.data: the data model', 'font-weight:bold;'); + console.log('%O', context.data); + + console.log(''); + console.log('%cExample:', 'font-weight:bold;'); + console.log(''); + console.log( + '%c window.api.map.flyTo({ center: [-78, 38], zoom: 5 });', + 'color:green;' + ); + + console.log(''); + console.log( + '%c window.api.data.mergeFeatures([{ type: "Feature", properties: {}, geometry: { type: "Point", coordinates: [0, 0] } }]);', + 'color:green;' + ); + + window.api = { + map: context.map, + draw: context.Draw, + data: context.data + }; + + d3.rebind(window.api, context.dispatch, 'on'); +} diff --git a/src/core/data.js b/src/core/data.js new file mode 100644 index 000000000..3795b3fca --- /dev/null +++ b/src/core/data.js @@ -0,0 +1,276 @@ +const clone = require('clone'), + xtend = require('xtend'), + config = require('../config.js')(location.hostname), + source = { + gist: require('../source/gist'), + github: require('../source/github'), + local: require('../source/local') + }; + +function _getData() { + return { + map: { + type: 'FeatureCollection', + features: [] + }, + dirty: false, + source: null, + meta: null, + type: 'local', + mapStyleLoaded: false + }; +} + +module.exports = function (context) { + const _data = _getData(); + + function mapFile(gist) { + let f; + let content; + + for (f in gist.files) { + content = gist.files[f].content; + if (f.indexOf('.geojson') !== -1 && content) { + return f; + } + } + + for (f in gist.files) { + content = gist.files[f].content; + if (f.indexOf('.json') !== -1 && content) { + return f; + } + } + } + + const data = {}; + + data.hasFeatures = function () { + return !!(_data.map && _data.map.features && _data.map.features.length); + }; + + data.set = function (obj, src) { + for (const k in obj) { + _data[k] = typeof obj[k] === 'object' ? clone(obj[k], false) : obj[k]; + } + if (obj.dirty !== false) data.dirty = true; + context.dispatch.change({ + obj: obj, + source: src + }); + return data; + }; + + data.clear = function () { + data.set(_getData()); + }; + + data.mergeFeatures = function (features, src) { + function coerceNum(feature) { + const props = feature.properties, + keys = Object.keys(props), + length = keys.length; + + for (let i = 0; i < length; i++) { + const key = keys[i]; + const value = props[key]; + feature.properties[key] = losslessNumber(value); + } + + return feature; + } + + function losslessNumber(x) { + const fl = parseFloat(x); + if (fl.toString() === x) return fl; + else return x; + } + + _data.map.features = (_data.map.features || []).concat( + features.map(coerceNum) + ); + return data.set({ map: _data.map }, src); + }; + + data.get = function (k) { + return _data[k]; + }; + + data.all = function () { + return clone(_data, false); + }; + + data.fetch = function (q, cb) { + const type = q.id.split(':')[0]; + + switch (type) { + case 'gist': { + const id = q.id.split(':')[1].split('/')[1]; + + // From: https://api.github.com/gists/dfa850f66f61ddc58bbf + // Gists > 1 MB will have truncated set to true. Request + // the raw URL in those cases. + source.gist.load(id, context, (err, d) => { + if (err) return cb(err, d); + + const file = mapFile(d); + // Test for .json or .geojson found + if (typeof file === 'undefined') return cb(err, d); + + const f = d.files[file]; + if (f.truncated === true) { + source.gist.loadRaw(f.raw_url, context, (err, content) => { + if (err) return cb(err); + return cb( + err, + xtend(d, { file: f.filename, content: JSON.parse(content) }) + ); + }); + } else { + return cb( + err, + xtend(d, { file: f.filename, content: JSON.parse(f.content) }) + ); + } + }); + + break; + } + case 'github': { + const url = q.id.split('/'); + const parts = { + user: url[0].split(':')[1], + repo: url[1], + branch: url[3], + path: (url.slice(4) || []).join('/') + }; + + source.github.load(parts, context, (err, meta) => { + if (err) return cb(err); + return source.github.loadRaw( + parts, + meta.sha, + context, + (err, file) => { + try { + return cb(err, xtend(meta, { content: JSON.parse(file) })); + } catch (e) { + // this was not a github file + history.replaceState( + '', + document.title, + window.location.pathname + ); + return cb(e); + } + } + ); + }); + + break; + } + } + }; + + data.parse = function (d) { + const endpoint = config.GithubAPI || 'https://github.com/'; + let login, repo, branch, path, chunked; + + if (d.files) d.type = 'gist'; + let type = d.length ? d[d.length - 1].type : d.type; + if (d.commit) type = 'commit'; + switch (type) { + case 'commit': { + data.set({ + source: d.content + }); + break; + } + case 'local': { + data.set({ + type: 'local', + map: d.content, + path: d.path + }); + break; + } + case 'blob': { + login = d[0].login; + repo = d[1].name; + branch = d[2].name; + path = d + .slice(3) + .map((p) => { + return p.path; + }) + .join('/'); + + data.set({ + type: 'github', + source: d, + meta: { + login: login, + repo: repo, + branch: branch, + name: d.path + }, + path: path, + route: 'github:' + [login, repo, 'blob', branch, path].join('/'), + url: [endpoint, login, repo, 'blob', branch, path].join('/') + }); + if (d.content) data.set({ map: d.content }); + break; + } + case 'file': { + chunked = d.html_url.split('/'); + login = chunked[3]; + repo = chunked[4]; + branch = chunked[6]; + + data.set({ + type: 'github', + source: d, + meta: { + login: login, + repo: repo, + branch: branch, + name: d.name, + sha: d.sha + }, + map: d.content, + path: d.path, + route: 'github:' + [login, repo, 'blob', branch, d.path].join('/'), + url: d.html_url + }); + break; + } + case 'gist': { + login = (d.owner && d.owner.login) || 'anonymous'; + path = [login, d.id].join('/'); + + const name = mapFile(d); + + try { + if (d.files[name].content) + data.set({ map: JSON.parse(d.files[name].content) }); + } catch (e) { + console.error(e); + } + data.set({ + type: 'gist', + source: d, + meta: { + login: login, + name: name + }, + path: path, + route: 'gist:' + path, + url: d.html_url + }); + break; + } + } + }; + + return data; +}; diff --git a/src/core/loader.js b/src/core/loader.js new file mode 100644 index 000000000..84b0667b2 --- /dev/null +++ b/src/core/loader.js @@ -0,0 +1,97 @@ +const qs = require('qs-hash'), + zoomextent = require('../lib/zoomextent'), + flash = require('../ui/flash'); + +module.exports = function (context) { + function success(err, d) { + context.container.select('.map').classed('loading', false); + + let message; + const url = /(http:\/\/\S*)/g; + + if (err) { + try { + message = + err.message || + JSON.parse(err.responseText).message.replace( + url, + '$&' + ); + } catch (e) { + message = 'Sorry, an error occurred.'; + } + return flash(context.container, message); + } + + context.data.parse(d); + + if (!qs.stringQs(location.hash.substring(1)).map || mapDefault()) { + zoomextent(context); + } + } + + function mapDefault() { + return ( + context.map.getZoom() === 2 || + JSON.stringify(context.map.getCenter()) === + JSON.stringify({ lng: 20, lat: 2 }) + ); + } + + function inlineJSON(data) { + try { + context.data.set({ + map: JSON.parse(data) + }); + history.replaceState('', document.title, window.location.pathname); + + zoomextent(context); + } catch (e) { + return flash(context.container, 'Could not parse JSON'); + } + } + + function loadUrl(data) { + d3.json(data) + .header('Accept', 'application/vnd.geo+json') + .on('load', onload) + .on('error', onerror) + .get(); + + function onload(d) { + context.data.set({ map: d }); + history.replaceState('', document.title, window.location.pathname); + zoomextent(context); + } + + function onerror() { + return flash( + context.container, + 'Could not load external file. External files must be served with CORS and be valid GeoJSON.' + ); + } + } + + return function (query) { + if (!query.id && !query.data) return; + + const oldRoute = d3.event + ? qs.stringQs(d3.event.oldURL.split('#')[1]).id + : context.data.get('route'); + + if (query.data) { + // eslint-disable-next-line + var type = query.data.match(/^(data\:[\w\-]+\/[\w\-]+\,?)/); + if (type) { + if (type[0] === 'data:application/json,') { + inlineJSON(query.data.replace(type[0], '')); + } else if (type[0] === 'data:text/x-url,') { + loadUrl(query.data.replace(type[0], '')); + } + } + } else if (query.id !== oldRoute) { + context.container.select('.map').classed('loading', true); + context.data.fetch(query, success); + } + }; +}; diff --git a/src/core/recovery.js b/src/core/recovery.js new file mode 100644 index 000000000..238f0eb05 --- /dev/null +++ b/src/core/recovery.js @@ -0,0 +1,38 @@ +const qs = require('qs-hash'); + +module.exports = function (context) { + d3.select(window).on('unload', onunload); + context.dispatch.on('change', onchange); + + const query = qs.stringQs(location.hash.split('#')[1] || ''); + + if (location.hash !== '#new' && !query.id && !query.data) { + const rec = context.storage.get('recover'); + if (rec && confirm('recover your map from the last time you edited?')) { + context.data.set({ + ...rec, + recovery: true + }); + } else { + context.storage.remove('recover'); + } + } + + function onunload() { + if (context.data.get('type') === 'local' && context.data.hasFeatures()) { + try { + context.storage.set('recover', context.data.all()); + } catch (e) { + // QuotaStorageExceeded + } + } else { + context.storage.remove('recover'); + } + } + + function onchange() { + if (context.data.get('type') !== 'local') { + context.storage.remove('recover'); + } + } +}; diff --git a/src/core/repo.js b/src/core/repo.js new file mode 100644 index 000000000..b7a085085 --- /dev/null +++ b/src/core/repo.js @@ -0,0 +1,48 @@ +const config = require('../config.js')(location.hostname); + +module.exports = function (context) { + const repo = {}; + + repo.details = function (callback) { + const endpoint = config.GithubAPI + ? config.GithubAPI + '/api/v3/repos/' + : 'https://api.github.com/repos/'; + const cached = context.storage.get('github_repo_details'), + meta = context.data.get('meta'), + login = meta.login, + repo = meta.repo; + + if ( + cached && + cached.login === login && + cached.repo === repo && + cached.when > +new Date() - 1000 * 60 * 60 + ) { + callback(null, cached.data); + } else { + context.storage.remove('github_repo_details'); + + d3.json(endpoint + [login, repo].join('/')) + .header('Authorization', 'token ' + context.storage.get('github_token')) + .on('load', onload) + .on('error', onerror) + .get(); + } + + function onload(repo) { + context.storage.set('github_repo_details', { + when: +new Date(), + data: repo + }); + context.storage.set('github_repo', repo); + callback(null, repo); + } + + function onerror(err) { + context.storage.remove('github_repo_details'); + callback(new Error(err)); + } + }; + + return repo; +}; diff --git a/src/core/router.js b/src/core/router.js new file mode 100644 index 000000000..98cc583a8 --- /dev/null +++ b/src/core/router.js @@ -0,0 +1,72 @@ +const qs = require('qs-hash'), + xtend = require('xtend'); + +module.exports = function (context) { + const router = {}; + + router.on = function () { + d3.select(window).on('hashchange.router', route); + context.dispatch.on('change.route', unroute); + context.dispatch.route(getQuery()); + return router; + }; + + router.off = function () { + d3.select(window).on('hashchange.router', null); + return router; + }; + + function route() { + const oldHash = d3.event.oldURL.split('#')[1] || '', + newHash = d3.event.newURL.split('#')[1] || '', + oldQuery = qs.stringQs(oldHash), + newQuery = qs.stringQs(newHash); + + if (isOld(oldHash)) return upgrade(oldHash); + if (newQuery.id !== oldQuery.id) context.dispatch.route(newQuery); + } + + function isOld(id) { + return ( + id.indexOf('gist') === 0 || + id.indexOf('github') === 0 || + !isNaN(parseInt(id, 10)) + ); + } + + function upgrade(id) { + let split; + if (isNaN(parseInt(id, 10))) { + split = id.split(':'); + location.hash = + '#id=' + + (split[1].indexOf('/') === 0 + ? [split[0], split[1].substring(1)].join(':') + : id); + } else { + location.hash = '#id=gist:/' + id; + } + } + + function unroute() { + const query = getQuery(); + const rev = reverseRoute(); + if (rev.id && query.id !== rev.id) { + location.hash = '#' + qs.qsString(rev); + } + } + + function getQuery() { + return qs.stringQs(window.location.hash.substring(1)); + } + + function reverseRoute() { + const query = getQuery(); + + return xtend(query, { + id: context.data.get('route') + }); + } + + return router; +}; diff --git a/src/core/user.js b/src/core/user.js new file mode 100644 index 000000000..73e2f6e7f --- /dev/null +++ b/src/core/user.js @@ -0,0 +1,96 @@ +const config = require('../config.js')(location.hostname); + +module.exports = function (context) { + const user = {}; + + user.details = function (callback) { + if (!context.storage.get('github_token')) + return callback(new Error('not logged in')); + + const cached = context.storage.get('github_user_details'); + + if (cached && cached.when > +new Date() - 1000 * 60 * 60) { + callback(null, cached.data); + } else { + context.storage.remove('github_user_details'); + const endpoint = config.GithubAPI + ? config.GithubAPI + '/api/v3' + : 'https://api.github.com'; + + d3.json(endpoint + '/user') + .header('Authorization', 'token ' + context.storage.get('github_token')) + .on('load', onload) + .on('error', onerror) + .get(); + } + + function onload(user) { + context.storage.set('github_user_details', { + when: +new Date(), + data: user + }); + context.storage.set('github_user', user); + callback(null, user); + } + + function onerror() { + user.logout(); + context.storage.remove('github_user_details'); + callback(new Error('not logged in')); + } + }; + + user.signXHR = function (xhr) { + return user.token() + ? xhr.header('Authorization', 'token ' + user.token()) + : xhr; + }; + + user.authenticate = function () { + window.location.href = + (config.GithubAPI || 'https://github.com') + + '/login/oauth/authorize?client_id=' + + config.client_id + + '&scope=gist,repo'; + }; + + user.token = function () { + return context.storage.get('github_token'); + }; + + user.logout = function () { + context.storage.remove('github_token'); + }; + + user.login = function () { + context.storage.remove('github_token'); + }; + + function killTokenUrl() { + if (window.location.href.indexOf('?code') !== -1) { + window.location.href = window.location.href.replace(/\?code=.*$/, ''); + } + } + + if (window.location.search && window.location.search.indexOf('?code') === 0) { + const code = window.location.search.replace( + // eslint-disable-next-line + /\?{0,1}code=([^\#\&]+).*$/g, + '$1' + ); + d3.select('.map').classed('loading', true); + d3.json(config.gatekeeper_url + '/authenticate/' + code) + .on('load', (l) => { + d3.select('.map').classed('loading', false); + if (l.token) window.localStorage.github_token = l.token; + killTokenUrl(); + }) + .on('error', () => { + d3.select('.map').classed('loading', false); + alert('Authentication with GitHub failed'); + }) + .get(); + } + + return user; +}; diff --git a/src/css/base.css b/src/css/base.css new file mode 100644 index 000000000..fd574a718 --- /dev/null +++ b/src/css/base.css @@ -0,0 +1,521 @@ +/* http://meyerweb.com/eric/tools/css/reset/ + v2.0 | 20110126 + License: none (public domain) +*/ + +html, +body, +div, +span, +applet, +object, +iframe, +h1, +h2, +h3, +h4, +h5, +h6, +p, +blockquote, +pre, +a, +abbr, +acronym, +address, +big, +cite, +code, +del, +dfn, +em, +img, +ins, +kbd, +q, +s, +samp, +small, +strike, +strong, +sub, +sup, +tt, +var, +b, +u, +i, +center, +dl, +dt, +dd, +ol, +ul, +li, +fieldset, +form, +label, +legend, +table, +caption, +tbody, +tfoot, +thead, +tr, +th, +td, +article, +aside, +canvas, +details, +embed, +figure, +figcaption, +footer, +header, +hgroup, +menu, +nav, +output, +ruby, +section, +summary, +time, +mark, +audio, +video { + margin: 0; + padding: 0; + border: 0; + font-size: 100%; + font: inherit; + vertical-align: baseline; +} +/* HTML5 display-role reset for older browsers */ +article, +aside, +details, +figcaption, +figure, +footer, +header, +hgroup, +menu, +nav, +section { + display: block; +} +body { + line-height: 1; +} +ol, +ul { + list-style: none; +} +blockquote, +q { + quotes: none; +} +blockquote:before, +blockquote:after, +q:before, +q:after { + content: ''; + content: none; +} +table { + border-collapse: collapse; + border-spacing: 0; +} + +::-webkit-scrollbar { + width: 5px; + height: 10px; +} +::-webkit-scrollbar-track { + background: transparent; +} +::-webkit-scrollbar-thumb { + background: rgba(0, 0, 0, 0.2); +} + +/* base */ + +body#geojsonio-body { + margin: 0; + padding: 0; + font-family: 'Open Sans', 'Helvetica Neue', sans-serif; + font-size: 15px; + line-height: 20px; + color: #222; + -webkit-font-smoothing: antialiased; +} + +:focus { + outline: 0; +} + +a { + color: #2980b9; + text-decoration: none; +} + +a:hover { + color: #199cf4; +} + +p { + padding: 10px 0; + line-height: 200%; +} + +small { + font-size: 11px; +} + +/* Columns +------------------------------------------------------- */ + +.col0 { + float: left; + width: 04.1666%; +} +.col1 { + float: left; + width: 08.3333%; +} +.col2 { + float: left; + width: 16.6666%; +} +.col3 { + float: left; + width: 25%; +} +.col4 { + float: left; + width: 33.3333%; +} +.col5 { + float: left; + width: 41.6666%; +} +.col6 { + float: left; + width: 50%; +} +.col7 { + float: left; + width: 58.3333%; +} +.col8 { + float: left; + width: 66.6666%; +} +.col9 { + float: left; + width: 75%; +} +.col10 { + float: left; + width: 83.3333%; +} +.col11 { + float: left; + width: 91.6666%; +} +.col12 { + float: left; + width: 100%; +} +.margin0 { + margin-left: 04.1666%; +} +.margin1 { + margin-left: 08.3333%; +} +.margin2 { + margin-left: 16.6666%; +} +.margin3 { + margin-left: 25%; +} +.margin4 { + margin-left: 33.3333%; +} +.margin5 { + margin-left: 41.6666%; +} +.margin6 { + margin-left: 50%; +} +.margin7 { + margin-left: 58.3333%; +} +.margin8 { + margin-left: 66.6666%; +} +.margin9 { + margin-left: 75%; +} +.margin10 { + margin-left: 83.3333%; +} +.margin11 { + margin-left: 91.6666%; +} +.margin12 { + margin-left: 100%; +} + +/* Padding +------------------------------------------------------- */ + +.pad0 { + padding: 5px; +} +.pad0y { + padding-top: 5px; + padding-bottom: 5px; +} +.pad0x { + padding-right: 5px; + padding-left: 5px; +} + +.pad1 { + padding: 10px; +} +.pad2 { + padding: 20px; +} +.pad4 { + padding: 40px; +} + +.pad1x { + padding-left: 10px; + padding-right: 10px; +} +.pad2x { + padding-left: 20px; + padding-right: 20px; +} +.pad4x { + padding-left: 40px; + padding-right: 40px; +} + +.pad1y { + padding-top: 10px; + padding-bottom: 10px; +} +.pad2y { + padding-top: 20px; + padding-bottom: 20px; +} +.pad4y { + padding-top: 40px; + padding-bottom: 40px; +} + +/* Margin +------------------------------------------------------- */ + +.space-bottom0 { + margin-bottom: 5px; +} +.space-bottom1 { + margin-bottom: 10px; +} +.space-bottom2 { + margin-bottom: 20px; +} +.space-bottom4 { + margin-bottom: 40px; +} +.space-top0 { + margin-top: 10px; +} +.space-top1 { + margin-top: 10px; +} +.space-top2 { + margin-top: 20px; +} +.space-top4 { + margin-top: 40px; +} + +/* Z-index +------------------------------------------------------- */ + +.z1 { + z-index: 1; +} +.z10 { + z-index: 10; +} +.z100 { + z-index: 100; +} + +/* Absolute containers +------------------------------------------------------- */ +.pin-top, +.pin-right, +.pin-bottom, +.pin-left, +.pin-topleft, +.pin-topright, +.pin-bottomleft, +.pin-bottomright { + position: absolute; +} +.pin-bottom { + right: 0; + bottom: 0; + left: 0; +} +.pin-top { + top: 0; + right: 0; + left: 0; +} +.pin-left { + top: 0; + bottom: 0; + left: 0; +} +.pin-right { + top: 0; + right: 0; + bottom: 0; +} +.pin-bottomright { + bottom: 0; + right: 0; +} +.pin-bottomleft { + bottom: 0; + left: 0; +} +.pin-topright { + top: 0; + right: 0; +} +.pin-topleft { + top: 0; + left: 0; +} + +/* Keylines +------------------------------------------------------- */ +.keyline-all { + border: 1px solid #ccc; +} +.keyline-top { + border-top: 1px solid #ccc; +} +.keyline-right { + border-right: 1px solid #ccc; +} +.keyline-bottom { + border-bottom: 1px solid #ccc; +} +.keyline-left { + border-left: 1px solid #ccc; +} + +/* Markup free clearing +Details: http://www.positioniseverything.net/easyclearing.html +------------------------------------------------------- */ + +.clearfix:after { + content: ''; + display: block; + height: 0; + clear: both; + visibility: hidden; +} + +.clearfix { + display: inline-block; +} +.hide { + display: none; +} +.fl { + float: left; +} +.fr { + float: right; +} +.center { + text-align: center; +} +.text-right { + text-align: right; +} + +/* Elements */ +table tr td input, +table tr th input { + border: none; +} + +table thead { + background: #f7f7f7; + border: 1px solid #ccc; +} + +table td { + border: 1px solid #ccc; +} + +table thead tr th { + font-weight: bold; +} + +table thead tr th, +table tr th input, +table tbody tr td input { + text-align: left; + font: inherit; + padding: 5px; + width: 150px; + box-sizing: border-box; + margin: 0; +} + +input[type='text'] { + font: inherit; +} + +/* Loading overlay +------------------------------------------------------- */ +.loading:before { + content: ''; + display: block; + position: absolute; + left: 0px; + top: 0px; + width: 100%; + height: 100%; + background: rgba(128, 128, 128, 0.25); + z-index: 10; +} + +.loading:after { + content: ''; + display: block; + position: absolute; + left: 50%; + top: 50%; + margin: -20px 0px 0px -20px; + width: 40px; + height: 40px; + border-radius: 50%; + opacity: 0.25; + background: #444 url(spinner.gif) 50% 50% no-repeat; +} diff --git a/src/css/marker.css b/src/css/marker.css new file mode 100644 index 000000000..07d53b41c --- /dev/null +++ b/src/css/marker.css @@ -0,0 +1,118 @@ +.marker-properties, +.metadata { + border-collapse: collapse; + font-size: 11px; + width: 100%; + overflow: auto; + border-bottom: 1px solid #ccc; + + /* Equal to 6 rows */ + max-height: 189px; +} + +.marker-properties { + display: block; +} + +.metadata { + display: table; +} + +.marker-properties th { + width: 33.3333%; + min-width: 100px; + white-space: nowrap; + border: 1px solid #ccc; +} + +.marker-properties td { + width: 60%; +} + +.marker-properties.display td, +.marker-properties.display th { + padding: 5px 10px; +} + +.marker-properties tr:last-child td, +.marker-properties tr:last-child th { + border-bottom: none; +} + +.marker-properties tr:nth-child(even) th, +.marker-properties tr:nth-child(even) td, +.metadata tr:nth-child(even) td { + background-color: #f7f7f7; +} + +.geojsonio-feature .mapboxgl-popup-content { + float: left; + padding: 0 !important; +} + +.geojsonio-feature .leaflet-popup-tip-container { + float: left; + margin-left: 50%; + right: 10px; +} + +datalist { + overflow: auto; + height: 150px; +} + +/* Tabs +------------------------------------------------------- */ +.tabs-ui { + position: relative; + width: 250px; +} + +.tabs-ui > * { + box-sizing: border-box; +} + +.tab .tab-toggle { + background: #eee; + cursor: pointer; +} + +.tab .tab-toggle:hover { + background: #f7f7f7; +} + +.tab .hide { + display: none; +} + +.tab .content { + display: none; + background: white; + overflow: auto; +} + +.tab [type='radio']:checked ~ label { + background: white; + border-top-width: 0; + z-index: 2; +} + +.tab [type='radio']:checked ~ label ~ .content { + z-index: 1; + display: block; +} + +.add-row-button, +.add-simplestyle-properties-button { + color: #2980b9; +} + +.add-row-button:hover, +.add-simplestyle-properties-button:hover { + cursor: pointer; + color: #199cf4; +} + +.foo { + background: 'green'; +} diff --git a/src/css/site.css b/src/css/site.css new file mode 100644 index 000000000..8f2b84ca2 --- /dev/null +++ b/src/css/site.css @@ -0,0 +1,597 @@ +html { + height: 100%; +} + +.fillD { + background: #ebebeb; +} + +.inline { + display: inline-block; +} + +.pad0x { + padding: 2px 5px; +} + +/* Utility classes */ + +.right { + transition: all 200ms; + -webkit-transition: all 200ms; + box-shadow: rgba(0, 0, 0, 0.1) -2px 0px 0px; +} + +body.fullscreen .map { + right: 0; +} + +body.fullscreen .right { + height: 40px; + bottom: auto; + border-bottom: 1px solid #d9d9d9; + overflow-y: hidden; +} + +body.fullscreen .right .top .buttons, +body.fullscreen .file-bar .fr { + display: none; +} + +body.fullscreen .leaflet-control-mapbox-geocoder { + margin-top: 50px; +} + +.deemphasize { + color: #888; +} + +p.intro-hint { + margin: 10px auto; + opacity: 0.5; + font-size: small; + border-top: 1px solid #e0e0e0; + border-bottom: 1px solid #e0e0e0; + border-radius: 1px; +} + +p.intro-hint:hover { + opacity: 1; +} + +.right .pane { + position: absolute; + top: 40px; + bottom: 0; + width: 100%; + overflow: auto; +} + +/* + * .right --------------------------------------------------------------------- + */ +.top { + background: #eee; +} + +.top .info { + line-height: 40px; + text-align: center; + width: 40px; + color: #222; +} + +.top .info:hover { + background: #ccc; +} + +.top .buttons { + height: 40px; +} + +/* + * buttons -------------------------------------------------------------------- + */ + +button { + background: #fff; + font: inherit; + cursor: pointer; + margin: 0; + padding: 0; + border: none; + box-sizing: border-box; +} + +.top button.active, +.layer-switch button.active, +.projection-switch button.active { + background: #34495e; + color: #fff; +} + +button.major { + padding: 5px; + border-radius: 3px; + color: white; + background: #34495e; +} + +button.major:hover { + background: #2980b9; +} + +button.minor { + padding: 5px; + border-radius: 3px; + background: #eee; +} + +button.minor:hover { + background: #f7f7f7; +} + +.pill button:first-child { + border-radius: 3px 0 0 3px; +} + +.pill button:last-child { + border-radius: 0 3px 3px 0; +} + +button.delete-invert { + color: #b81b1b; +} + +button.delete-invert:hover { + color: #e25353; +} + +.top .collapse-button { + position: absolute; + top: 0; + left: 0; + width: 40px; + height: 40px; + line-height: 30px; + text-align: center; + border: none; +} + +.top .buttons button { + padding: 10px 15px; + font-weight: normal; + height: 40px; + border: 0; + vertical-align: top; +} + +.top .buttons button span.icon { + font-size: 16px; + margin-right: 5px; + vertical-align: middle; +} + +/* + * CodeMirror & Markers ------------------------------------------------------- + */ +.right .CodeMirror { + position: absolute; + bottom: 0; + right: 0; + left: 0; + top: 1px; + height: auto !important; + background: #fff; + font-family: 'm_1regular', monospace; + line-height: 1.5em; +} + +.error-marker { + width: 10px; + height: 1.5em; + background: #eab; + transition: all 100ms; + -webkit-transition: all 100ms; +} + +.error-marker.warning { + background: #eee0aa; +} + +.error-marker:hover { + background: #d68; +} + +.error-marker.warning:hover { + background: #eee0aa; +} + +.error-marker:before { + opacity: 0; + pointer-events: none; + content: attr(message); + transition: all 100ms; + -webkit-transition: all 100ms; + content: attr(message); + width: 300px; + font-size: 10px; + padding: 5px; + border: 1px solid #000; + position: absolute; + background: #fff; + z-index: 999; +} + +.error-marker:hover:before { + opacity: 1; + margin-left: 35px; +} + +.right .edit-pane .CodeMirror-linenumber { + color: #666; + font-size: 75%; +} + +#geojsonio-body .leaflet-bar a { + border: 0; + border-radius: 0; +} + +#geojsonio-body .leaflet-bar { + border-radius: 0; +} + +.leaflet-container .leaflet-control-attribution { + background: none; + box-shadow: none; +} + +.mapboxgl-popup table input { + width: 100%; + background: transparent; +} + +.mapboxgl-popup input[type='color'] { + height: 29px; +} + +.leaflet-control-attribution.leaflet-control a { + font-size: 12px; + color: #555; +} + +.leaflet-control-attribution.leaflet-control a:hover { + color: #000; +} + +/* + * table ---------------------------------------------------------------------- + */ + +.controls { + padding: 10px; +} + +body.dragover { + opacity: 0.6; +} + +.modal-message { + display: none; +} + +body.dragover .modal-message { + position: fixed; + left: 50%; + top: 50%; + text-align: center; +} + +.right table { + margin: 10px; +} + +th button { + background: #fff; + float: right; + padding: 4px; + color: #999; +} + +th button:hover { + color: #222; +} + +/* + * layer_switch --------------------------------------------------------------- + */ + +.blank-banner { + font-size: 20px; + padding: 80px 20px; + color: #888; +} + +textarea.full-width { + box-sizing: border-box; + width: 100%; + padding: 5px; + height: 60px; + border: 1px solid #ccc; + border-radius: 2px; + font: inherit; +} + +.file-bar { + position: absolute; + top: 0; + left: 0; + height: 40px; + box-sizing: border-box; + line-height: 40px; +} + +.file-bar .name { + padding: 0 10px; + display: inline-block; + vertical-align: top; + background: #fff; +} + +.file-bar .name .filename { + margin-left: 10px; +} + +.clickable:hover, +.clickable.active { + background: #eee; +} + +/* modal, flash */ +.message { + background: #fffce4; + position: absolute; + z-index: 9999; + top: 50px; + left: 10px; +} + +.message.error { + background: #ffe3e3; +} + +.message.success { + background: #e3ffe9; +} + +.pre-icon { + margin-right: 5px; +} + +body.dragover:after { + content: 'drop files to import'; +} + +.file-bar div.item { + display: inline-block; +} + +.file-bar div.item a.parent { + padding: 0 10px; + height: 40px; + display: inline-block; + background: #fff; +} + +.file-bar a:hover { + cursor: pointer; + background: #34495e; + color: #fff; +} + +.file-bar div.item:hover a.parent { + background: #34495e; + color: #fff; +} + +.file-bar div.item:hover div.children { + display: block; +} + +div.children { + display: none; + position: absolute; + margin-top: -1px; +} + +div.children a { + display: block; + padding: 5px 10px; + line-height: 20px; + background: #fff; + white-space: nowrap; +} + +/* + * Help ----------------------------------------------------------------------- + */ +.prose h2 { + font-weight: bold; + font-size: 18px; +} + +.prose h3 { + font-weight: bold; + margin-top: 14px; +} + +.prose h4 { + font-weight: bold; + margin-top: 10px; +} + +.prose ul { + margin: 20px 0; + border: 1px solid #ccc; +} + +.prose ul li { + line-height: 200%; + padding: 5px 5px; + border-top: 1px solid #ccc; +} + +.prose ul li:first-child { + border-top: none; +} + +.prose strong { + font-weight: bold; +} + +.prose code { + font-family: Menlo, Bitstream Vera Sans Mono, Monaco, Consolas, monospace; + white-space: pre-wrap; + background: rgba(0, 0, 0, 0.025); + font-size: 14px; + line-height: 20px; + padding: 3px; + border-radius: 3px; +} + +.prose h3 code { + font-size: 16px; +} + +/* Modals + ------------------------------------------------------- */ +.modal { + display: inline-block; + position: absolute; + left: 0; + right: 0; + margin: auto; + z-index: 2000; + overflow-x: hidden; + overflow-y: auto; + bottom: 20px; +} + +.modal .loader { + margin-bottom: 10px; +} + +.modal .description { + text-align: center; +} + +.modal .content { + background: #fff; +} + +.modal .header h1 { + font-size: 30px; +} + +.shaded { + z-index: 9999999; + position: absolute; + top: 0; + bottom: 0; + left: 0; + right: 0; + overflow: auto; +} + +.shaded:before { + content: ''; + background: rgba(0, 0, 0, 0.75); + position: fixed; + left: 0px; + right: 0px; + top: 0px; + bottom: 0px; +} + +.modal-section { + padding: 20px; + border-bottom: 1px solid #ccc; +} + +.modal-section:last-child { + border-bottom: 0; +} + +.loading-modal { + text-align: center; +} + +.modal-actions button, +.save-success a.button { + font-weight: normal; + color: #7092ff; + border-bottom: 1px solid #ccc; + border-radius: 0; + height: 160px; + text-align: center; + display: inline-block; +} + +.metadata { + width: 100%; +} + +.metadata td { + padding: 5px; +} + +.mapbox-gl-draw_polygon { + background-image: url('../img/polygon.svg'); +} + +.mapbox-gl-draw_rectangle { + background-image: url('../img/rectangle.svg'); +} + +.mapbox-gl-draw_circle { + background-image: url('../img/circle.svg'); +} + +.fullscreen .mapboxgl-ctrl-top-right { + margin-top: 40px; +} + +/* override mapbox-gl-geocoder control sytles on mobile */ +.mapboxgl-ctrl-top-right { + top: 0; + right: 0; + left: 0; +} + +.mapboxgl-ctrl-top-right .mapboxgl-ctrl-geocoder { + margin: 0; + border-radius: 0; +} + +@media screen and (min-width: 640px) { + .mapboxgl-ctrl-top-right .mapboxgl-ctrl-geocoder { + margin: 10px 10px 0 0; + border-radius: 4px; + } +} + +/* override path to fontawesome webfonts */ +@font-face { + font-family: 'Font Awesome 6 Free'; + font-style: normal; + font-weight: 900; + font-display: block; + src: url(../dist/webfonts/fa-solid-900.woff2) format('woff2'), + url(../dist/webfonts/fa-solid-900.ttf) format('truetype'); +} + +/* overrides a tailwind box-sizing on * */ +.mapboxgl-compact { + box-sizing: initial; +} diff --git a/src/css/spinner.gif b/src/css/spinner.gif new file mode 100644 index 0000000000000000000000000000000000000000..44a1d06524e45d8981667cc83fe73e70972b3c31 GIT binary patch literal 4124 zcmcJSdt4OfxyNT_-<^GTc6OL~cV=gIXJ=>EqDAW`CA9GvYjR*01Su?=hMEMyqEV|B zQ==TkL?gH5F33#BpQNdxrF1&Yx%gnLpp> z`~IHi_x#@InKP!oK9|RMtQo^1XGE41m8306YunqFoRnO*wQkKvYdVj0CjKt5YGYOU z^7Mm;4$hx9zp14uH#@hdw6d~*S-xfk$|p3dXuk)s5W_VZ{rXbK zvRaKoZSuedqoRQA?gpE&ZAU8vKoZ50*8Mg{tF^SE{lIZVO7{br&NoSVW)tiKNwi+i zk*7ST3A)@(ah!=clY|C{2YWpfZo(Ocq@GbfJn{ktA0%HsBRYp(M4iZ-uKoKVfRClv z(NVHM@TB~c^BOnM+uSF1RGy#jC>wC&!n8@n%;h3u&8t4m=bwI_8p22a>|^Kj=IXPj zZ>_X#b~OitkR1{zBU0tB(|&!L_$`(r*&r|10)$7&I{=r*eW@kQM1OrYd(>(`*>t``y zR2^^wUB7TFc!|x4#y=cu8GONoMx=rKhy}Nv3#$j3$ltW=itzCjC zZdT(8k`b*})mZNV)^dv6$kZlqaw0u~51(vKP?Gynne0$@9n*cb}|HNjIxZN3KqO-4XQjxlhvV zp2fl3{?>f6BI|T26l3B{FeTDxwQ7*L$OK9~KrW{!_4aELOhG}C1$WYot6f0`#_6=} zaYJi6V`0`GLauhZ#j^Rhu#&KlZHFR(O+{GuCE~ww9A9VK%3ml&-z5N^An0SB?;a;0 zaF3={Kl&_x{=@DIXqo9FMIFgOK!I_RL>qZi-w$JL^^SXO^M8w6$I46*Oj7z^yvHTKvWajJ8?@@&Ig$Y}eUIdvOP9xAJzotpfupFikBx#aLZh8_&mg$Szla z_-6Me!YX^A!$Dk6K`41O{RDV@-k}6Yo52hC@Sh{YF97R=e=8GmvxxDJA0aT7X8ogV z`z;d+<9lw7YDR>hnPzHJZ?8t62-B|T75}rw?wgVN#)m!&9lL$VT9*&R@Tvz9F3tzRzu@DU z_wVF(y)n*4Tr*{CD9_E*=)$NmP2@s&=CVaMGsl(d^IX{7|+za=b)>%xq+f+Y1+*0C{_fG*-RJi zN5a8nVBdbwX@ubTevDGJMz;PhHX`L5f%U_SMff?TupD09h+D1ls$!N!*B~j}vEttH z#~#V*8p5x6ekhdOaC&}RpP!NV5yP0`olwzQheBuz;}1<^I6|ABlRh<^DSkVK_3?k1 z6cRpbYJh0(YH+yl7?n;T&0JU z)Ib3$>XSvS9xU~@U`X6=`*d%YRgemK zyFdJAYD-4p{_NYSp=7t|>>zB4(e!5F`mLw-p7snZn#|{G_^F2RAkT3iDwW7g!a#2J zYz&d=ZbHbG8=vn}cP5&HwB70J%{$R z`Z!4+zr7VoTCVs=Djy&zFY0P-g%}r!|z_x?k zRUX#L`#0aLavlaoV)??{*U4dXM0CtSR{PBcZOq@;qy*k#AwOBiuF9TmVHkiaic8!C zac)X2 zUp((7Me&q}v)&NM@(Mx{6)`{FbVDc0iXsTZ53_mU>EOsSiKq?^DF|)v_G83m?U-q? zQzZ+@S_ET^^ZJ6_?CD1TiG7o|V1;04I%=WIGBYnP=aOLV4X&)_TE9lDvCQT;Vrm)MIjd@5xDeiTO4jsRZp719JQL*pis_RpIYWDNg9)0)Zq;!J`$)xr-+M zA#Y)yGdaJaJ(}H^9#;AvAAgC3xHH#&gj5%VTJ^5cM{dAVw80fbmU=0Qw+00{Hb<$n z)|TweDx#pX@&UBVuD9yA0ALt`(&>b`rQ{KSG_ov}66#}QJz@BYTOWS`$3IY`_jQqi z@6+m#;zS&CT~I_(8oJ9-?+{w$#o(ZXx5np&r)7vIy8hEOcK#T(K)4~s$%06C8dcL9 zOav~5Zb99@s%=BCV4<^Vt$F;V_VJSwbKQn1v)-Q@y1jVdmTx5iSJIf;GcMv24^kHq zRJT`QBybRBb^VZ)MLbXFYP0K?QoL@bxw(bXSannzqB``ljJE-jbnvo4SYAjS1xV@E z*V7DBhY`Xh?wxo7?_bMkG>SyQ8O02KugSwGk42Fi9K2WHB_!h$>Br%K=d;Q`-{-4Yll+J2ZpO*-jX`~7v7REv~(rNtmsv<=GD0J$Eq$WQPgN=SJ7lw6rpGo{P(}T$dIQkicyq^#Ax+>@~|n^ mB0g0|4<8v}9{<*%zctLgRNuS4iY_eYIAr)6@2RQkH~$M7wT2J? literal 0 HcmV?d00001 diff --git a/src/css/tailwind_src.css b/src/css/tailwind_src.css new file mode 100644 index 000000000..b5c61c956 --- /dev/null +++ b/src/css/tailwind_src.css @@ -0,0 +1,3 @@ +@tailwind base; +@tailwind components; +@tailwind utilities; diff --git a/src/css/theme.css b/src/css/theme.css new file mode 100644 index 000000000..5d30fd94c --- /dev/null +++ b/src/css/theme.css @@ -0,0 +1,70 @@ +.CodeMirror-gutters { + background: #fff; +} +.cm-s-eclipse span.cm-meta { + color: #ff1717; +} +.cm-s-eclipse span.cm-keyword { + line-height: 1em; + font-weight: bold; + color: #7f0055; +} +.cm-s-eclipse span.cm-atom { + color: #219; +} +.cm-s-eclipse span.cm-number { + color: #164; +} +.cm-s-eclipse span.cm-def { + color: #00f; +} +.cm-s-eclipse span.cm-variable { + color: black; +} +.cm-s-eclipse span.cm-variable-2 { + color: #0000c0; +} +.cm-s-eclipse span.cm-variable-3 { + color: #0000c0; +} +.cm-s-eclipse span.cm-property { + color: black; +} +.cm-s-eclipse span.cm-operator { + color: black; +} +.cm-s-eclipse span.cm-comment { + color: #3f7f5f; +} +.cm-s-eclipse span.cm-string { + color: #2a00ff; +} +.cm-s-eclipse span.cm-string-2 { + color: #f50; +} +.cm-s-eclipse span.cm-error { + color: #f00; +} +.cm-s-eclipse span.cm-qualifier { + color: #555; +} +.cm-s-eclipse span.cm-builtin { + color: #30a; +} +.cm-s-eclipse span.cm-bracket { + color: #cc7; +} +.cm-s-eclipse span.cm-tag { + color: #170; +} +.cm-s-eclipse span.cm-attribute { + color: #00c; +} +.cm-s-eclipse span.cm-link { + color: #219; +} + +.cm-s-eclipse .CodeMirror-matchingbracket { + outline: 1px solid grey; + color: black !important; +} diff --git a/src/d3-global.js b/src/d3-global.js new file mode 100644 index 000000000..93342327f --- /dev/null +++ b/src/d3-global.js @@ -0,0 +1,3 @@ +// import d3 and make it globally available +const d3 = require('d3'); +window.d3 = d3; diff --git a/src/index.js b/src/index.js new file mode 100644 index 000000000..d6965fca5 --- /dev/null +++ b/src/index.js @@ -0,0 +1,80 @@ +// import d3 plus 3custom plugins +require('./d3-global.js'); +require('./lib/d3-compat'); +require('./lib/d3-keybinding'); +require('./lib/d3-trigger'); + +// codemirror css +require('../node_modules/codemirror/lib/codemirror.css'); +require('../node_modules/codemirror/addon/fold/foldgutter.css'); + +// fontawesome css +require('../node_modules/@fortawesome/fontawesome-free/css/fontawesome.min.css'); +require('../node_modules/@fortawesome/fontawesome-free/css/solid.min.css'); + +// tailwind css +require('../dist/css/tailwind_dist.css'); + +// mapboxgl, mapboxgl-draw, mapbox-gl-geocoder css +require('../node_modules/mapbox-gl/dist/mapbox-gl.css'); +require('../node_modules/@mapbox/mapbox-gl-draw/dist/mapbox-gl-draw.css'); +require('../node_modules/@mapbox/mapbox-gl-geocoder/dist/mapbox-gl-geocoder.css'); + +// import css +require('./css/base.css'); +require('./css/marker.css'); +require('./css/theme.css'); +require('./css/site.css'); + +const Sentry = require('@sentry/browser'); +const { BrowserTracing } = require('@sentry/tracing'); + +window.mbxMetadata = { + content_type: 'developer-tool' +}; + +// eslint-disable-next-line no-undef +initializeMapboxAnalytics({ + marketoMunchkin: false +}); + +const ui = require('./ui'), + map = require('./ui/map'), + data = require('./core/data'), + loader = require('./core/loader'), + router = require('./core/router'), + recovery = require('./core/recovery'), + repo = require('./core/repo'), + user = require('./core/user'), + api = require('./core/api'), + store = require('store'); + +const gjIO = geojsonIO(), + gjUI = ui(gjIO).write; + +d3.select('.geojsonio').call(gjUI); + +gjIO.recovery = recovery(gjIO); +gjIO.router.on(); + +api(gjIO); + +function geojsonIO() { + const context = {}; + context.dispatch = d3.dispatch('change', 'route'); + context.storage = store; + context.map = map(context); + context.data = data(context); + context.dispatch.on('route', loader(context)); + context.repo = repo(context); + context.router = router(context); + context.user = user(context); + return context; +} + +Sentry.init({ + dsn: 'https://c2d096c944dd4150ab7e44b0881b4a46@o5937.ingest.sentry.io/11480', + release: 'geojson.io@latest', + integrations: [new BrowserTracing()], + tracesSampleRate: 0.1 +}); diff --git a/src/lib/d3-compat.js b/src/lib/d3-compat.js new file mode 100644 index 000000000..cf53aad07 --- /dev/null +++ b/src/lib/d3-compat.js @@ -0,0 +1,46 @@ +(function () { + // get a reference to the d3.selection prototype, + // and keep a reference to the old d3.selection.on + const d3_selectionPrototype = d3.selection.prototype, + d3_on = d3_selectionPrototype.on; + + // our shims are organized by event: + // "desired-event": ["shimmed-event", wrapperFunction] + const shims = { + mouseenter: ['mouseover', relatedTarget], + mouseleave: ['mouseout', relatedTarget] + }; + + // rewrite the d3.selection.on function to shim the events with wrapped + // callbacks + d3_selectionPrototype.on = function (evt, callback, useCapture) { + const bits = evt.split('.'), + type = bits.shift(), + shim = shims[type]; + if (shim) { + evt = bits.length ? [shim[0], bits].join('.') : shim[0]; + if (typeof callback === 'function') { + callback = shim[1](callback); + } + return d3_on.call(this, evt, callback, useCapture); + } else { + return d3_on.apply(this, arguments); + } + }; + + function relatedTarget(callback) { + return function () { + const related = d3.event.relatedTarget; + if (this === related || childOf(this, related)) { + return undefined; + } + return callback.apply(this, arguments); + }; + } + + function childOf(p, c) { + if (p === c) return false; + while (c && c !== p) c = c.parentNode; + return c === p; + } +})(); diff --git a/src/lib/d3-keybinding.js b/src/lib/d3-keybinding.js new file mode 100644 index 000000000..58b631cfb --- /dev/null +++ b/src/lib/d3-keybinding.js @@ -0,0 +1,256 @@ +/* + * This code is licensed under the MIT license. + * + * Copyright © 2013, iD authors. + * + * Portions copyright © 2011, Keith Cirkel + * See https://github.com/keithamus/jwerty + * + */ +d3.keybinding = function (namespace) { + const bindings = []; + + function matches(binding, event) { + for (const p in binding.event) { + if (event[p] !== binding.event[p]) return false; + } + + return !binding.capture === (event.eventPhase !== Event.CAPTURING_PHASE); + } + + function capture() { + for (let i = 0; i < bindings.length; i++) { + const binding = bindings[i]; + if (matches(binding, d3.event)) { + binding.callback(); + } + } + } + + function bubble() { + const tagName = d3.select(d3.event.target).node().tagName; + if (tagName === 'INPUT' || tagName === 'SELECT' || tagName === 'TEXTAREA') { + return; + } + capture(); + } + + function keybinding(selection) { + selection = selection || d3.select(document); + selection.on('keydown.capture' + namespace, capture, true); + selection.on('keydown.bubble' + namespace, bubble, false); + return keybinding; + } + + keybinding.off = function (selection) { + selection = selection || d3.select(document); + selection.on('keydown.capture' + namespace, null); + selection.on('keydown.bubble' + namespace, null); + return keybinding; + }; + + keybinding.on = function (code, callback, capture) { + const binding = { + event: { + keyCode: 0, + shiftKey: false, + ctrlKey: false, + altKey: false, + metaKey: false + }, + capture: capture, + callback: callback + }; + + code = code.toLowerCase().match(/(?:(?:[^+⇧⌃⌥⌘])+|[⇧⌃⌥⌘]|\+\+|^\+$)/g); + + for (let i = 0; i < code.length; i++) { + // Normalise matching errors + if (code[i] === '++') code[i] = '+'; + + if (code[i] in d3.keybinding.modifierCodes) { + binding.event[ + d3.keybinding.modifierProperties[d3.keybinding.modifierCodes[code[i]]] + ] = true; + } else if (code[i] in d3.keybinding.keyCodes) { + binding.event.keyCode = d3.keybinding.keyCodes[code[i]]; + } + } + + bindings.push(binding); + + return keybinding; + }; + + return keybinding; +}; + +(function () { + d3.keybinding.modifierCodes = { + // Shift key, ⇧ + '⇧': 16, + shift: 16, + // CTRL key, on Mac: ⌃ + '⌃': 17, + ctrl: 17, + // ALT key, on Mac: ⌥ (Alt) + '⌥': 18, + alt: 18, + option: 18, + // META, on Mac: ⌘ (CMD), on Windows (Win), on Linux (Super) + '⌘': 91, + meta: 91, + cmd: 91, + super: 91, + win: 91 + }; + + d3.keybinding.modifierProperties = { + 16: 'shiftKey', + 17: 'ctrlKey', + 18: 'altKey', + 91: 'metaKey' + }; + + d3.keybinding.keyCodes = { + // Backspace key, on Mac: ⌫ (Backspace) + '⌫': 8, + backspace: 8, + // Tab Key, on Mac: ⇥ (Tab), on Windows ⇥⇥ + '⇥': 9, + '⇆': 9, + tab: 9, + // Return key, ↩ + '↩': 13, + return: 13, + enter: 13, + '⌅': 13, + // Pause/Break key + pause: 19, + 'pause-break': 19, + // Caps Lock key, ⇪ + '⇪': 20, + caps: 20, + 'caps-lock': 20, + // Escape key, on Mac: ⎋, on Windows: Esc + '⎋': 27, + escape: 27, + esc: 27, + // Space key + space: 32, + // Page-Up key, or pgup, on Mac: ↖ + '↖': 33, + pgup: 33, + 'page-up': 33, + // Page-Down key, or pgdown, on Mac: ↘ + '↘': 34, + pgdown: 34, + 'page-down': 34, + // END key, on Mac: ⇟ + '⇟': 35, + end: 35, + // HOME key, on Mac: ⇞ + '⇞': 36, + home: 36, + // Insert key, or ins + ins: 45, + insert: 45, + // Delete key, on Mac: ⌦ (Delete) + '⌦': 46, + del: 46, + delete: 46, + // Left Arrow Key, or ← + '←': 37, + left: 37, + 'arrow-left': 37, + // Up Arrow Key, or ↑ + '↑': 38, + up: 38, + 'arrow-up': 38, + // Right Arrow Key, or → + '→': 39, + right: 39, + 'arrow-right': 39, + // Up Arrow Key, or ↓ + '↓': 40, + down: 40, + 'arrow-down': 40, + // odities, printing characters that come out wrong: + // Num-Multiply, or * + '*': 106, + star: 106, + asterisk: 106, + multiply: 106, + // Num-Plus or + + '+': 107, + plus: 107, + // Num-Subtract, or - + '-': 109, + subtract: 109, + // Semicolon + ';': 186, + semicolon: 186, + // = or equals + '=': 187, + equals: 187, + // Comma, or , + ',': 188, + comma: 188, + dash: 189, // ??? + // Period, or ., or full-stop + '.': 190, + period: 190, + 'full-stop': 190, + // Slash, or /, or forward-slash + '/': 191, + slash: 191, + 'forward-slash': 191, + // Tick, or `, or back-quote + '`': 192, + tick: 192, + 'back-quote': 192, + // Open bracket, or [ + '[': 219, + 'open-bracket': 219, + // Back slash, or \ + '\\': 220, + 'back-slash': 220, + // Close backet, or ] + ']': 221, + 'close-bracket': 221, + // Apostrophe, or Quote, or ' + "'": 222, + quote: 222, + apostrophe: 222 + }; + + // NUMPAD 0-9 + let i = 95, + n = 0; + while (++i < 106) { + d3.keybinding.keyCodes['num-' + n] = i; + ++n; + } + + // 0-9 + i = 47; + n = 0; + while (++i < 58) { + d3.keybinding.keyCodes[n] = i; + ++n; + } + + // F1-F25 + i = 111; + n = 1; + while (++i < 136) { + d3.keybinding.keyCodes['f' + n] = i; + ++n; + } + + // a-z + i = 64; + while (++i < 91) { + d3.keybinding.keyCodes[String.fromCharCode(i).toLowerCase()] = i; + } +})(); diff --git a/src/lib/d3-trigger.js b/src/lib/d3-trigger.js new file mode 100644 index 000000000..c3929ea14 --- /dev/null +++ b/src/lib/d3-trigger.js @@ -0,0 +1,7 @@ +d3.selection.prototype.trigger = function (type) { + this.each(function () { + const evt = document.createEvent('HTMLEvents'); + evt.initEvent(type, true, true); + this.dispatchEvent(evt); + }); +}; diff --git a/src/lib/gtfs2geojson.js b/src/lib/gtfs2geojson.js new file mode 100644 index 000000000..5eb0b9760 --- /dev/null +++ b/src/lib/gtfs2geojson.js @@ -0,0 +1,98 @@ +// vendored gtfs2geojson because the latest published version requires `dsv` which +// includes a call to fs.readFileSync() that does not play well with rollup. +// TODO: PR this change to gtfs2geojson that uses d3-dsv instead + +// ISC License + +// Copyright (c) 2015, Tom MacWright + +// Permission to use, copy, modify, and/or distribute this software for any +// purpose with or without fee is hereby granted, provided that the above +// copyright notice and this permission notice appear in all copies. + +// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +const csvParse = require('d3-dsv').csvParse; + +const gtfs2geojson = { + /** + * Parsessss GTFS shapes.txt data given as a string and return a GeoJSON FeatureCollection + * of features with LineString geometries. + * + * @param {string} gtfs csv content of shapes.txt + * @returns {Object} geojson featurecollection + */ + lines: function (gtfs) { + const shapes = csvParse(gtfs).reduce((memo, row) => { + memo[row.shape_id] = (memo[row.shape_id] || []).concat(row); + return memo; + }, {}); + + return { + type: 'FeatureCollection', + features: Object.keys(shapes).map((id) => { + return { + type: 'Feature', + id: id, + properties: { + shape_id: id + }, + geometry: { + type: 'LineString', + coordinates: shapes[id] + .sort((a, b) => { + return +a.shape_pt_sequence - b.shape_pt_sequence; + }) + .map((coord) => { + return [ + parseFloat(coord.shape_pt_lon), + parseFloat(coord.shape_pt_lat) + ]; + }) + } + }; + }) + }; + }, + + /** + * Parse GTFS stops.txt data given as a string and return a GeoJSON FeatureCollection + * of features with Point geometries. + * + * @param {string} gtfs csv content of stops.txt + * @returns {Object} geojson featurecollection + * + */ + + stops: function (gtfs) { + const stops = csvParse(gtfs); + return { + type: 'FeatureCollection', + features: Object.keys(stops).map((id) => { + return { + type: 'Feature', + id: stops[id].stop_id, + properties: { + stop_id: stops[id].stop_id, + stop_name: stops[id].stop_name + }, + geometry: { + type: 'Point', + coordinates: [ + parseFloat(stops[id].stop_lon), + parseFloat(stops[id].stop_lat) + ] + } + }; + }) + }; + } +}; + +export default gtfs2geojson; diff --git a/src/lib/meta.js b/src/lib/meta.js new file mode 100644 index 000000000..eaf2d06ce --- /dev/null +++ b/src/lib/meta.js @@ -0,0 +1,133 @@ +const escape = require('escape-html'), + geojsonRandom = require('geojson-random'), + geojsonExtent = require('@mapbox/geojson-extent'), + geojsonFlatten = require('geojson-flatten'), + polyline = require('@mapbox/polyline'), + wkx = require('wkx'), + Buffer = require('buffer/').Buffer, + zoomextent = require('../lib/zoomextent'); + +module.exports.adduserlayer = function (context, _url, _name) { + const url = escape(_url), + name = escape(_name); + + // reset the control if a user-layer was added before + d3.select('.user-layer-button').remove(); + + function addUserSourceAndLayer() { + // if the source and layer aren't present, add them + context.map.setStyle({ + name: 'user-layer', + version: 8, + sources: { + 'user-layer': { + type: 'raster', + tiles: [url], + tileSize: 256 + } + }, + layers: [ + { + id: 'user-layer', + type: 'raster', + source: 'user-layer', + minzoom: 0, + maxzoom: 22 + } + ] + }); + + // make this layer's button active + d3.select('.layer-switch .active').classed('active', false); + d3.select('.user-layer-button').classed('active', true); + + context.data.set({ + mapStyleLoaded: true + }); + } + + // append a button to the existing style selection UI + d3.select('.layer-switch') + .append('button') + .attr('class', 'pad0x user-layer-button') + .on('click', addUserSourceAndLayer) + .text(name); + + addUserSourceAndLayer(); +}; + +module.exports.zoomextent = function (context) { + zoomextent(context); +}; + +module.exports.clear = function (context) { + context.data.clear(); +}; + +module.exports.random = function (context, count, type) { + context.data.mergeFeatures(geojsonRandom(count, type).features, 'meta'); +}; + +module.exports.bboxify = function (context) { + context.data.set({ map: geojsonExtent.bboxify(context.data.get('map')) }); +}; + +module.exports.flatten = function (context) { + context.data.set({ map: geojsonFlatten(context.data.get('map')) }); +}; + +module.exports.polyline = function (context) { + const input = prompt('Enter your polyline'); + try { + const decoded = polyline.toGeoJSON(input); + context.data.set({ map: decoded }); + } catch (e) { + alert('Sorry, we were unable to decode that polyline'); + } +}; + +module.exports.polyline6 = function (context) { + const input = prompt('Enter your polyline'); + try { + const decoded = polyline.toGeoJSON(input, 6); + context.data.set({ map: decoded }); + } catch (e) { + alert('Sorry, we were unable to decode that polyline'); + } +}; + +module.exports.wkxBase64 = function (context) { + const input = prompt('Enter your Base64 encoded WKB/EWKB'); + try { + const decoded = wkx.Geometry.parse(Buffer.from(input, 'base64')); + context.data.set({ map: decoded.toGeoJSON() }); + zoomextent(context); + } catch (e) { + console.error(e); + alert('Sorry, we were unable to decode that Base64 encoded WKX data'); + } +}; + +module.exports.wkxHex = function (context) { + const input = prompt('Enter your Hex encoded WKB/EWKB'); + try { + const decoded = wkx.Geometry.parse(Buffer.from(input, 'hex')); + context.data.set({ map: decoded.toGeoJSON() }); + zoomextent(context); + } catch (e) { + console.error(e); + alert('Sorry, we were unable to decode that Hex encoded WKX data'); + } +}; + +module.exports.wkxString = function (context) { + const input = prompt('Enter your WKT/EWKT String'); + try { + const decoded = wkx.Geometry.parse(input); + context.data.set({ map: decoded.toGeoJSON() }); + zoomextent(context); + } catch (e) { + console.error(e); + alert('Sorry, we were unable to decode that WKT data'); + } +}; diff --git a/src/lib/popup.js b/src/lib/popup.js new file mode 100644 index 000000000..5cb5e2fdb --- /dev/null +++ b/src/lib/popup.js @@ -0,0 +1,196 @@ +module.exports = function (context) { + return function (e, id) { + const sel = d3.select(e.target._content); + + sel.selectAll('.cancel').on('click', clickClose); + + sel.selectAll('form').on('submit', saveFeature); + + sel.selectAll('.add').on('click', addRow); + + sel + .selectAll('.add-simplestyle-properties-button') + .on('click', addSimplestyleProperties); + + sel.selectAll('.delete-invert').on('click', removeFeature); + + function clickClose() { + e.target._onClose(); + } + + function removeFeature() { + const data = context.data.get('map'); + data.features.splice(id, 1); + + context.data.set({ map: data }, 'popup'); + + // hide the popup + e.target._onClose(); + } + + function losslessNumber(x) { + const fl = parseFloat(x); + if (fl.toString() === x) return fl; + else return x; + } + + function saveFeature() { + const obj = {}; + const table = sel.select('table.marker-properties'); + table.selectAll('tr').each(collectRow); + function collectRow() { + if (d3.select(this).selectAll('input')[0][0].value) { + obj[d3.select(this).selectAll('input')[0][0].value] = losslessNumber( + d3.select(this).selectAll('input')[0][1].value + ); + } + } + + const data = context.data.get('map'); + const feature = data.features[id]; + feature.properties = obj; + context.data.set({ map: data }, 'popup'); + // hide the popup + e.target._onClose(); + } + + function addRow() { + const tr = sel.select('table.marker-properties tbody').append('tr'); + + tr.append('th').append('input').attr('type', 'text'); + + tr.append('td').append('input').attr('type', 'text'); + } + + function addSimplestyleProperties() { + // hide the button + sel + .selectAll('.add-simplestyle-properties-button') + .style('display', 'none'); + + const data = context.data.get('map'); + const feature = data.features[id]; + const { properties, geometry } = feature; + + if (geometry.type === 'Point' || geometry.type === 'MultiPoint') { + if (!('marker-color' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'marker-color'); + tr.append('td') + .append('input') + .attr('type', 'color') + .attr('value', '#7E7E7E'); + } + + if (!('marker-size' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'marker-size'); + const td = tr.append('td'); + td.append('input') + .attr('type', 'text') + .attr('value', 'medium') + .attr('list', 'marker-size'); + const datalist = td.append('datalist').attr('id', 'marker-size'); + datalist.append('option').attr('value', 'small'); + datalist.append('option').attr('value', 'medium'); + datalist.append('option').attr('value', 'large'); + } + + if (!('marker-symbol' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'marker-symbol'); + const td = tr.append('td'); + td.append('input') + .attr('type', 'text') + .attr('value', 'circle') + .attr('list', 'marker-symbol'); + const datalist = td.append('datalist').attr('id', 'marker-symbol'); + for (let i = 0; i < makiNames.length; i++) { + datalist.append('option').attr('value', makiNames[i]); + } + } + } + if ( + geometry.type === 'LineString' || + geometry.type === 'MultiLineString' || + geometry.type === 'Polygon' || + geometry.type === 'MultiPolygon' + ) { + if (!('stroke' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'stroke'); + tr.append('td') + .append('input') + .attr('type', 'color') + .attr('value', '#555555'); + } + if (!('stroke-width' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'stroke-width'); + tr.append('td') + .append('input') + .attr('type', 'number') + .attr('min', '0') + .attr('step', '0.1') + .attr('value', '2'); + } + if (!('stroke-opacity' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'stroke-opacity'); + tr.append('td') + .append('input') + .attr('type', 'number') + .attr('min', '0') + .attr('max', '1') + .attr('step', '0.1') + .attr('value', '1'); + } + } + if (geometry.type === 'Polygon' || geometry.type === 'MultiPolygon') { + if (!('fill' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'fill'); + tr.append('td') + .append('input') + .attr('type', 'color') + .attr('value', '#555555'); + } + if (!('fill-opacity' in properties)) { + const tr = sel.select('table.marker-properties tbody').insert('tr'); + tr.append('th') + .append('input') + .attr('type', 'text') + .attr('value', 'fill-opacity'); + tr.append('td') + .append('input') + .attr('type', 'number') + .attr('min', '0') + .attr('max', '1') + .attr('step', '0.1') + .attr('value', '0.5'); + } + } + } + }; +}; diff --git a/src/lib/readfile.js b/src/lib/readfile.js new file mode 100644 index 000000000..4dfc188ab --- /dev/null +++ b/src/lib/readfile.js @@ -0,0 +1,222 @@ +const topojson = require('topojson-client'), + toGeoJSON = require('@tmcw/togeojson'), + gtfs2geojson = require('./gtfs2geojson').default, + csv2geojson = require('csv2geojson'), + osmtogeojson = require('osmtogeojson'), + polytogeojson = require('polytogeojson'), + geojsonNormalize = require('@mapbox/geojson-normalize'); + +module.exports.readDrop = readDrop; +module.exports.readAsText = readAsText; +module.exports.readFile = readFile; + +function readDrop(callback) { + return function () { + const results = []; + const errors = []; + if ( + d3.event.dataTransfer && + d3.event.dataTransfer && + d3.event.dataTransfer.files && + d3.event.dataTransfer.files.length + ) { + d3.event.stopPropagation(); + d3.event.preventDefault(); + let remaining = d3.event.dataTransfer.files.length; + [].forEach.call(d3.event.dataTransfer.files, (f) => { + readAsText(f, (err, text) => { + if (err) { + errors.push(err); + if (!--remaining) finish(errors, results); + } else { + readFile(f, text, (err, res, war) => { + if (err) errors.push(err); + if (res) results.push(res); + if (war) results.push(war); + if (!--remaining) finish(errors, results, war); + }); + } + }); + }); + } else { + return callback({ + message: 'No files were dropped' + }); + } + + function finish(errors, results, war) { + // if no conversions suceeded, return the first error + if (!results.length && errors.length) + return callback(errors[0], null, war); + // otherwise combine results + return callback( + null, + { + type: 'FeatureCollection', + features: results.reduce((memo, r) => { + r = geojsonNormalize(r); + if (r) { + memo = memo.concat(r.features); + } + return memo; + }, []) + }, + war + ); + } + }; +} + +function readAsText(f, callback) { + try { + const reader = new FileReader(); + reader.readAsText(f); + reader.onload = function (e) { + if (e.target && e.target.result) callback(null, e.target.result); + else + callback({ + message: 'Dropped file could not be loaded' + }); + }; + reader.onerror = function () { + callback({ + message: 'Dropped file was unreadable' + }); + }; + } catch (e) { + callback({ + message: 'Dropped file was unreadable' + }); + } +} + +function readFile(f, text, callback) { + const fileType = detectType(f, text); + + if (!fileType) { + return callback({ + message: 'Could not detect file type' + }); + } else if (fileType === 'kml') { + const kmldom = toDom(text); + if (!kmldom) { + return callback({ + message: 'Invalid KML file: not valid XML' + }); + } + let warning; + if (kmldom.getElementsByTagName('NetworkLink').length) { + warning = { + message: + 'The KML file you uploaded included NetworkLinks: some content may not display. ' + + 'Please export and upload KML without NetworkLinks for optimal performance' + }; + } + callback(null, toGeoJSON.kml(kmldom), warning); + } else if (fileType === 'xml') { + const xmldom = toDom(text); + if (!xmldom) { + return callback({ + message: 'Invalid XML file: not valid XML' + }); + } + const result = osmtogeojson.toGeojson(xmldom); + // only keep object tags as properties + result.features.forEach((feature) => { + feature.properties = feature.properties.tags; + }); + callback(null, result); + } else if (fileType === 'gpx') { + callback(null, toGeoJSON.gpx(toDom(text))); + } else if (fileType === 'geojson') { + try { + const gj = JSON.parse(text); + if (gj && gj.type === 'Topology' && gj.objects) { + const collection = { type: 'FeatureCollection', features: [] }; + for (const o in gj.objects) { + const ft = topojson.feature(gj, gj.objects[o]); + if (ft.features) + collection.features = collection.features.concat(ft.features); + else collection.features = collection.features.concat([ft]); + } + return callback(null, collection); + } else { + return callback(null, gj); + } + } catch (err) { + alert('Invalid JSON file: ' + err); + return; + } + } else if (fileType === 'dsv') { + csv2geojson.csv2geojson( + text, + { + delimiter: 'auto' + }, + (err, result) => { + if (err) { + return callback({ + type: 'geocode', + result: result, + raw: text + }); + } else { + return callback(null, result); + } + } + ); + } else if (fileType === 'gtfs-shapes') { + try { + return callback(null, gtfs2geojson.lines(text)); + } catch (e) { + return callback({ message: 'Invalid GTFS shapes.txt file' }); + } + } else if (fileType === 'gtfs-stops') { + try { + return callback(null, gtfs2geojson.stops(text)); + } catch (e) { + return callback({ message: 'Invalid GTFS stops.txt file' }); + } + } else if (fileType === 'poly') { + callback(null, polytogeojson(text)); + } + + function toDom(x) { + return new DOMParser().parseFromString(x, 'text/xml'); + } + + function detectType(f, text) { + const filename = f.name ? f.name.toLowerCase() : ''; + function ext(_) { + return filename.indexOf(_) !== -1; + } + if (f.type === 'application/vnd.google-earth.kml+xml' || ext('.kml')) { + return 'kml'; + } + if (ext('.gpx')) return 'gpx'; + if (ext('.geojson') || ext('.json') || ext('.topojson')) return 'geojson'; + if (f.type === 'text/csv' || ext('.csv') || ext('.tsv') || ext('.dsv')) { + return 'dsv'; + } + if (ext('.xml') || ext('.osm')) return 'xml'; + if (ext('.poly')) return 'poly'; + if ( + (text && text.indexOf('shape_id,shape_pt_lat,shape_pt_lon') !== -1) || + (text && text.indexOf('"shape_id","shape_pt_lat","shape_pt_lon"') !== -1) + ) { + return 'gtfs-shapes'; + } + if ( + (text && + text.indexOf( + 'stop_id,stop_code,stop_name,stop_desc,stop_lat,stop_lon' + ) !== -1) || + (text && + text.indexOf( + '"stop_id","stop_code","stop_name","stop_desc","stop_lat","stop_lon"' + ) !== -1) + ) { + return 'gtfs-stops'; + } + } +} diff --git a/src/lib/smartzoom.js b/src/lib/smartzoom.js new file mode 100644 index 000000000..0fc26399b --- /dev/null +++ b/src/lib/smartzoom.js @@ -0,0 +1,12 @@ +const bbox = require('@turf/bbox').default; + +module.exports = function (map, feature) { + if (feature.geometry.type === 'Point') { + map.flyTo({ + center: feature.geometry.coordinates + }); + } else { + const bounds = bbox(feature); + map.fitBounds(bounds, { padding: 60 }); + } +}; diff --git a/src/lib/validate.js b/src/lib/validate.js new file mode 100644 index 000000000..358d1e351 --- /dev/null +++ b/src/lib/validate.js @@ -0,0 +1,83 @@ +const geojsonhint = require('@mapbox/geojsonhint'); + +module.exports = function (callback) { + return function (editor, changeObj) { + const err = geojsonhint.hint(editor.getValue()); + editor.clearGutter('error'); + + // check err for objects that don't have `level` properties + // if any exist, reject the geojson + const rejectableErrors = err.filter( + (d) => !Object.prototype.hasOwnProperty.call(d, 'level') + ); + + if (err instanceof Error) { + handleError(err.message); + return callback({ + class: 'icon-circle-blank', + title: 'invalid JSON', + message: 'invalid JSON' + }); + } else if (rejectableErrors.length) { + handleErrors(err); + return callback({ + class: 'icon-circle-blank', + title: 'invalid GeoJSON', + message: 'invalid GeoJSON' + }); + } else { + // err should only include warnings at this point + // accept the geojson as valid but show the warnings + handleErrors(err); + + const zoom = + changeObj.from.ch === 0 && + changeObj.from.line === 0 && + changeObj.origin === 'paste'; + + const gj = JSON.parse(editor.getValue()); + + try { + return callback(null, gj, zoom); + } catch (e) { + return callback({ + class: 'icon-circle-blank', + title: 'invalid GeoJSON', + message: 'invalid GeoJSON' + }); + } + } + + function handleError(msg) { + const match = msg.match(/line (\d+)/); + if (match && match[1]) { + editor.clearGutter('error'); + editor.setGutterMarker( + parseInt(match[1], 10) - 1, + 'error', + makeMarker(msg) + ); + } + } + + function handleErrors(errors) { + editor.clearGutter('error'); + errors.forEach((e) => { + editor.setGutterMarker(e.line, 'error', makeMarker(e.message, e.level)); + }); + } + + function makeMarker(msg, level) { + let className = 'error-marker'; + if (level === 'message') { + className += ' warning'; + } + + return d3 + .select(document.createElement('div')) + .attr('class', className) + .attr('message', msg) + .node(); + } + }; +}; diff --git a/src/lib/zoomextent.js b/src/lib/zoomextent.js new file mode 100644 index 000000000..0682a3b17 --- /dev/null +++ b/src/lib/zoomextent.js @@ -0,0 +1,22 @@ +const bbox = require('@turf/bbox').default; + +module.exports = function (context) { + const geojson = context.data.get('map'); + // if the data is a single point, flyTo() + if ( + geojson.features.filter((feature) => feature.geometry).length === 1 && + geojson.features[0].geometry.type === 'Point' + ) { + context.map.flyTo({ + center: geojson.features[0].geometry.coordinates, + zoom: 6, + duration: 1000 + }); + } else { + const bounds = bbox(geojson); + context.map.fitBounds(bounds, { + padding: 50, + duration: 1000 + }); + } +}; diff --git a/src/mobile.js b/src/mobile.js new file mode 100644 index 000000000..9ddd757d4 --- /dev/null +++ b/src/mobile.js @@ -0,0 +1,28 @@ +const ui = require('./ui'), + map = require('./ui/map'), + data = require('./core/data'), + loader = require('./core/loader'), + router = require('./core/router'), + repo = require('./core/repo'), + user = require('./core/user'), + store = require('store'); + +const gjIO = geojsonIO(), + gjUI = ui(gjIO).read; + +d3.select('.geojsonio').call(gjUI); + +gjIO.router.on(); + +function geojsonIO() { + const context = {}; + context.dispatch = d3.dispatch('change', 'route'); + context.storage = store; + context.map = map(context, true); + context.data = data(context); + context.dispatch.on('route', loader(context)); + context.repo = repo(context); + context.router = router(context); + context.user = user(context); + return context; +} diff --git a/src/panel/help.js b/src/panel/help.js new file mode 100644 index 000000000..157ddf7aa --- /dev/null +++ b/src/panel/help.js @@ -0,0 +1,14 @@ +const HelpContent = require('../../data/help.md').default; +const ApiContent = require('../../API.md').default; + +module.exports = function () { + const html = `${HelpContent.html}

${ApiContent.html}`; + + function render(selection) { + selection.html('').append('div').attr('class', 'pad2 prose').html(html); + } + + render.off = function () {}; + + return render; +}; diff --git a/src/panel/json.js b/src/panel/json.js new file mode 100644 index 000000000..abbde5346 --- /dev/null +++ b/src/panel/json.js @@ -0,0 +1,179 @@ +const _ = require('lodash'); +const { createPopper } = require('@popperjs/core'); +const geojsonNormalize = require('@mapbox/geojson-normalize'); + +const CodeMirror = require('codemirror/lib/codemirror'); +require('codemirror/addon/fold/foldcode'); +require('codemirror/addon/fold/foldgutter'); +require('codemirror/addon/fold/brace-fold'); +require('codemirror/addon/edit/matchbrackets'); +require('codemirror/mode/javascript/javascript'); + +const validate = require('../lib/validate'); +const zoomextent = require('../lib/zoomextent'); +const flash = require('../ui/flash'); + +module.exports = function (context) { + CodeMirror.keyMap.tabSpace = { + Tab: function (cm) { + const spaces = new Array(cm.getOption('indentUnit') + 1).join(' '); + cm.replaceSelection(spaces, 'end', '+input'); + }, + fallthrough: ['default'] + }; + + function render(selection) { + const textarea = selection.html('').append('textarea'); + + // copy button tooltip + const tooltip = selection + .append('div') + .attr('id', 'tooltip') + .attr( + 'class', + 'opacity-0 text-white font-medium text-xs rounded text-left py-1 px-2 bg-mb-gray-dark transition-opacity duration-100' + ) + .attr('role', 'tooltip') + .text('Copied!'); + + // tooltip arrow + tooltip + .append('div') + .attr('id', 'arrow') + .attr( + 'class', + '-right-1 top-0 translate-y-2 absolute w-2 h-2 bg-transparent before:opacity-0 before:transition-opacity before:duration-100 group-hover:before:opacity-100 before:absolute before:w-2 before:h-2 before:rotate-45 before:bg-mb-gray-dark' + ) + .attr('data-popper-arrow', ''); + + // adds a copy button + const buttonContainer = selection + .append('div') + .attr( + 'class', + 'mapboxgl-ctrl mapboxgl-ctrl-group absolute right-5 top-5 opacity-0 group-hover:opacity-100 transition-opacity duration-100' + ); + + const editor = CodeMirror.fromTextArea(textarea.node(), { + mode: { name: 'javascript', json: true }, + matchBrackets: true, + tabSize: 2, + gutters: ['error', 'CodeMirror-linenumbers', 'CodeMirror-foldgutter'], + theme: 'eclipse', + autofocus: window === window.top, + keyMap: 'tabSpace', + lineNumbers: true, + foldGutter: true + }); + + const button = buttonContainer + .append('button') + .attr('id', 'copy-button') + .attr('title', 'Copy'); + + const buttonIcon = button + .append('span') + .attr('class', 'fa-solid fa-copy text-gray-500'); + + button.on('click', () => { + // copy to clipboard + navigator.clipboard.writeText(editor.getValue()); + + // set the button to a green checkmark + buttonIcon + .classed('fa-copy', false) + .attr('class', 'fa-solid fa-check text-green-600'); + // show tooltip + tooltip.classed('group-hover:opacity-100', true); + setTimeout(() => { + buttonIcon.attr('class', 'fa-solid fa-copy text-gray-500'); + // hide tooltip + tooltip.classed('group-hover:opacity-100', false); + }, 3000); + }); + + const copyButtonEl = document.querySelector('#copy-button'); + const tooltipEl = document.querySelector('#tooltip'); + + createPopper(copyButtonEl, tooltipEl, { + placement: 'left', + modifiers: [ + { + name: 'offset', + options: { + offset: [0, 8] + } + } + ] + }); + + // blur the editor so map keybindings will work on initial load + editor.display.input.blur(); + + editor.foldCode(CodeMirror.Pos(0, 0)); + editor.matchBrackets(); + + editor.on('beforeChange', (cm, change) => { + if (change.origin === 'paste') { + try { + const newText = JSON.stringify(JSON.parse(change.text[0]), null, 2); + change.update(null, null, newText.split('\n')); + } catch (e) { + console.log('error pretty-printing pasted geojson', e); + } + } + }); + + editor.on('change', validate(changeValidated)); + + function changeValidated(err, data, zoom) { + if (!err) { + let updateSource = 'json'; + const originalType = data.type; + // normalize into a FeatureCollection + if ( + [ + 'Feature', + 'GeometryCollection', + 'Point', + 'LineString', + 'Polygon', + 'MultiPoint', + 'MultiLineString', + 'MultiPolygon' + ].includes(data.type) + ) { + data = geojsonNormalize(data); + updateSource = 'geojsonNormalize'; + + flash( + context.container, + `The imported ${originalType} was normalized into a FeatureCollection` + ); + } + + // don't set data unless it has actually changed + if (!_.isEqual(data, context.data.get('map'))) { + context.data.set({ map: data }, updateSource); + if (zoom) zoomextent(context); + } + } + } + + context.dispatch.on('change.json', (event) => { + if (event.source !== 'json') { + const scrollInfo = editor.getScrollInfo(); + editor.setValue(JSON.stringify(context.data.get('map'), null, 2)); + editor.scrollTo(scrollInfo.left, scrollInfo.top); + } + }); + + editor.setValue(JSON.stringify(context.data.get('map'), null, 2)); + } + + render.off = function () { + context.dispatch.on('change.json', null); + }; + + return render; +}; diff --git a/src/panel/table.js b/src/panel/table.js new file mode 100644 index 000000000..70f3a4d47 --- /dev/null +++ b/src/panel/table.js @@ -0,0 +1,63 @@ +const metatable = require('d3-metatable')(d3), + smartZoom = require('../lib/smartzoom.js'); + +module.exports = function (context) { + function render(selection) { + selection.html(''); + + function rerender() { + const geojson = context.data.get('map'); + let props; + + if ( + !geojson || + (!geojson.geometry && (!geojson.features || !geojson.features.length)) + ) { + selection + .html('') + .append('div') + .attr('class', 'blank-banner center') + .text('no features'); + } else { + props = geojson.geometry + ? [geojson.properties] + : geojson.features.map(getProperties); + selection.select('.blank-banner').remove(); + selection.data([props]).call( + metatable() + .on('change', (row, i) => { + const geojson = context.data.get('map'); + if (geojson.geometry) { + geojson.properties = row; + } else { + geojson.features[i].properties = row; + } + context.data.set('map', geojson); + }) + .on('rowfocus', (row, i) => { + const geojson = context.data.get('map'); + if (!geojson.geometry) { + smartZoom(context.map, geojson.features[i]); + } + }) + ); + } + } + + context.dispatch.on('change.table', () => { + rerender(); + }); + + rerender(); + + function getProperties(f) { + return f.properties; + } + } + + render.off = function () { + context.dispatch.on('change.table', null); + }; + + return render; +}; diff --git a/src/source/gist.js b/src/source/gist.js new file mode 100644 index 000000000..707f0c4d0 --- /dev/null +++ b/src/source/gist.js @@ -0,0 +1,38 @@ +const config = require('../config.js')(location.hostname); +const githubBase = config.GithubAPI + ? config.GithubAPI + '/api/v3' + : 'https://api.github.com'; + +module.exports.load = load; +module.exports.loadRaw = loadRaw; + +function load(id, context, callback) { + const endpoint = githubBase + '/gists/'; + context.user + .signXHR(d3.json(endpoint + id)) + .on('load', onLoad) + .on('error', onError) + .get(); + + function onLoad(json) { + callback(null, json); + } + function onError(err) { + callback(err, null); + } +} + +function loadRaw(url, context, callback) { + context.user + .signXHR(d3.text(url)) + .on('load', onLoad) + .on('error', onError) + .get(); + + function onLoad(file) { + callback(null, file); + } + function onError(err) { + callback(err, null); + } +} diff --git a/src/source/github.js b/src/source/github.js new file mode 100644 index 000000000..4663bc91c --- /dev/null +++ b/src/source/github.js @@ -0,0 +1,145 @@ +module.exports.save = save; +module.exports.load = load; +module.exports.loadRaw = loadRaw; + +const config = require('../config.js')(location.hostname); +const githubBase = config.GithubAPI + ? config.GithubAPI + '/api/v3' + : 'https://api.github.com'; + +function save(context, callback) { + const source = context.data.get('source'), + meta = context.data.get('meta'), + newpath = context.data.get('newpath'), + name = (meta && meta.name) || 'map.geojson', + map = context.data.get('map'); + + if (navigator.appVersion.indexOf('MSIE 9') !== -1 || !window.XMLHttpRequest) { + return alert( + 'Sorry, saving and sharing is not supported in IE9 and lower. ' + + 'Please use a modern browser to enjoy the full featureset of geojson.io' + ); + } + + if (!localStorage.github_token) { + return alert('You need to log in with GitHub to commit changes'); + } + + context.repo.details(onrepo); + + function onrepo(err, repo) { + let commitMessage; + let endpoint; + let method = 'POST'; + let data = {}; + const files = {}; + + if (!err && repo.permissions.push) { + commitMessage = context.commitMessage || prompt('Commit message:'); + if (!commitMessage) return; + + endpoint = source.url; + method = 'PUT'; + data = { + message: commitMessage, + branch: meta.branch, + content: btoa( + encodeURIComponent(JSON.stringify(map, null, 2)).replace( + /%([0-9A-F]{2})/g, + (match, p1) => { + return String.fromCharCode('0x' + p1); + } + ) + ) + }; + + // creating a file + if (newpath) { + data.path = newpath; + context.data.set({ newpath: null }); + } + + // updating a file + if (source.sha) { + data.sha = source.sha; + } + } else { + endpoint = githubBase + '/gists'; + files[name] = { content: JSON.stringify(map, null, 2) }; + data = { files: files }; + } + + context.user + .signXHR(d3.json(endpoint)) + .on('load', (data) => { + callback(null, data); + }) + .on('error', (err) => { + let message; + const url = /(http:\/\/\S*)/g; + + try { + message = JSON.parse(err.responseText).message.replace( + url, + '$&' + ); + } catch (e) { + message = 'Sorry, an error occurred.'; + } + + callback(message); + }) + .send(method, JSON.stringify(data)); + } +} + +function load(parts, context, callback) { + context.user + .signXHR(d3.json(fileUrl(parts))) + .on('load', onLoad) + .on('error', onError) + .get(); + + function onLoad(file) { + callback(null, file); + } + function onError(err) { + callback(err, null); + } +} + +function loadRaw(parts, sha, context, callback) { + context.user + .signXHR(d3.text(shaUrl(parts, sha))) + .on('load', onLoad) + .on('error', onError) + .header('Accept', 'application/vnd.github.raw') + .get(); + + function onLoad(file) { + callback(null, file); + } + function onError(err) { + callback(err, null); + } +} + +function fileUrl(parts) { + return ( + githubBase + + '/repos/' + + parts.user + + '/' + + parts.repo + + '/contents/' + + parts.path + + '?ref=' + + parts.branch + ); +} + +function shaUrl(parts, sha) { + return ( + githubBase + '/repos/' + parts.user + '/' + parts.repo + '/git/blobs/' + sha + ); +} diff --git a/src/source/local.js b/src/source/local.js new file mode 100644 index 000000000..3111b32c4 --- /dev/null +++ b/src/source/local.js @@ -0,0 +1,24 @@ +let fs; + +try { + fs = require('fs'); +} catch (e) { + console.warn(e); +} + +module.exports.save = save; + +function save(context, callback) { + const path = context.data.get('path'), + map = context.data.get('map'); + + const content = JSON.stringify(map, null, 2); + + fs.writeFile(path, content, () => { + callback(null, { + type: 'local', + path: path, + content: map + }); + }); +} diff --git a/src/ui.js b/src/ui.js new file mode 100644 index 000000000..854b5f8e1 --- /dev/null +++ b/src/ui.js @@ -0,0 +1,100 @@ +const buttons = require('./ui/mode_buttons'), + file_bar = require('./ui/file_bar'), + dnd = require('./ui/dnd'), + // userUi = require('./ui/user'), + layer_switch = require('./ui/layer_switch'), + projection_switch = require('./ui/projection_switch'); + +module.exports = ui; + +function ui(context) { + function init(selection) { + const container = selection + .append('div') + .attr( + 'class', + 'ui-container grow flex-shrink-0 flex flex-col md:flex-row w-full relative overflow-x-hidden' + ); + + const map = container + .append('div') + .attr('id', 'map') + .attr( + 'class', + 'map grow shrink-0 top-0 bottom-0 left-0 basis-0 transition-all duration-300' + ) + .call(layer_switch(context)) + .call(projection_switch(context)); + + // sidebar handle + map + .append('div') + .attr( + 'class', + 'sidebar-handle absolute right-0 bottom-9 px-4 bg-white cursor-pointer hidden md:block z-10' + ) + .attr('title', 'Toggle Sidebar') + .on('click', () => { + const collapsed = !d3.select('.map').classed('md:basis-full'); + d3.select('.map').classed('md:basis-0', !collapsed); + d3.select('.map').classed('md:basis-full', collapsed); + + d3.select('.sidebar-handle-icon') + .classed('fa-caret-left', collapsed) + .classed('fa-caret-right', !collapsed); + + setTimeout(() => { + context.map.resize(); + }, 300); + }) + .append('i') + .attr('class', 'sidebar-handle-icon fa-solid fa-caret-right'); + + context.container = container; + + return container; + } + + function render(selection) { + const container = init(selection); + + const right = container + .append('div') + .attr( + 'class', + 'right flex flex-col overflow-x-hidden bottom-0 top-0 right-0 box-border bg-white relative grow-0 shrink-0 w-full md:w-2/5 md:max-w-md h-2/5 md:h-auto' + ); + + const top = right + .append('div') + .attr('class', 'top border-b border-solid border-gray-200'); + + const pane = right.append('div').attr('class', 'pane group'); + + // user ui, disabled for now + // top + // .append('div') + // .attr('class', 'user fr pad1 deemphasize') + // .call(userUi(context)); + + top + .append('div') + .attr('class', 'buttons flex') + .call(buttons(context, pane)); + + container + .append('div') + .attr('class', 'file-bar hidden md:block') + .call(file_bar(context)); + + dnd(context); + + // initialize the map after the ui has been created to avoid flex container size issues + context.map(); + } + + return { + read: init, + write: render + }; +} diff --git a/src/ui/dnd.js b/src/ui/dnd.js new file mode 100644 index 000000000..3cad194d0 --- /dev/null +++ b/src/ui/dnd.js @@ -0,0 +1,46 @@ +const readDrop = require('../lib/readfile.js').readDrop, + flash = require('./flash.js'), + zoomextent = require('../lib/zoomextent'); + +module.exports = function (context) { + d3.select('body') + .attr('dropzone', 'copy') + .on( + 'drop.import', + readDrop((err, gj, warning) => { + if (err && err.message) { + flash(context.container, err.message).classed('error', 'true'); + } + if (gj && gj.features) { + context.data.mergeFeatures(gj.features); + if (warning) { + flash(context.container, warning.message); + } else { + flash( + context.container, + 'Imported ' + gj.features.length + ' features.' + ).classed('success', 'true'); + } + zoomextent(context); + } + d3.select('body').classed('dragover', false); + }) + ) + .on('dragenter.import', over) + .on('dragleave.import', exit) + .on('dragover.import', over); + + function over() { + d3.event.stopPropagation(); + d3.event.preventDefault(); + d3.event.dataTransfer.dropEffect = 'copy'; + d3.select('body').classed('dragover', true); + } + + function exit() { + d3.event.stopPropagation(); + d3.event.preventDefault(); + d3.event.dataTransfer.dropEffect = 'copy'; + d3.select('body').classed('dragover', false); + } +}; diff --git a/src/ui/draw/circle.js b/src/ui/draw/circle.js new file mode 100644 index 000000000..9918d641c --- /dev/null +++ b/src/ui/draw/circle.js @@ -0,0 +1,116 @@ +// custom mapbopx-gl-draw mode that extends draw_line_string +// shows a center point, radius line, and circle polygon while drawing +// forces draw.create on creation of second vertex +const circle = require('@turf/circle').default; +const length = require('@turf/length').default; +const MapboxDraw = require('@mapbox/mapbox-gl-draw'); + +const { getDisplayMeasurements } = require('./util.js'); + +function circleFromTwoVertexLineString(geojson) { + const center = geojson.geometry.coordinates[0]; + const radiusInKm = length(geojson); + + return circle(center, radiusInKm); +} + +const CircleMode = { + ...MapboxDraw.modes.draw_line_string, + + clickAnywhere: function (state, e) { + // this ends the drawing after the user creates a second point, triggering this.onStop + if (state.currentVertexPosition === 1) { + state.line.addCoordinate(0, e.lngLat.lng, e.lngLat.lat); + return this.changeMode('simple_select', { featureIds: [state.line.id] }); + } + + state.line.updateCoordinate( + state.currentVertexPosition, + e.lngLat.lng, + e.lngLat.lat + ); + if (state.direction === 'forward') { + state.currentVertexPosition += 1; + state.line.updateCoordinate( + state.currentVertexPosition, + e.lngLat.lng, + e.lngLat.lat + ); + } else { + state.line.addCoordinate(0, e.lngLat.lng, e.lngLat.lat); + } + + return null; + }, + + onStop: function (state) { + this.activateUIButton(); + + // check to see if we've deleted this feature + if (this.getFeature(state.line.id) === undefined) return; + + // remove last added coordinate + state.line.removeCoordinate('0'); + if (state.line.isValid()) { + const lineGeoJson = state.line.toGeoJSON(); + const circleFeature = circleFromTwoVertexLineString(lineGeoJson); + + this.map.fire('draw.create', { + features: [circleFeature] + }); + } else { + this.deleteFeature([state.line.id], { silent: true }); + this.changeMode('simple_select', {}, { silent: true }); + } + }, + + toDisplayFeatures: function (state, geojson, display) { + // Only render the line if it has at least one real coordinate + if (geojson.geometry.coordinates.length < 2) return null; + + display({ + type: 'Feature', + properties: { + active: 'true' + }, + geometry: { + type: 'Point', + coordinates: geojson.geometry.coordinates[0] + } + }); + + // displays the line as it is drawn + geojson.properties.active = 'true'; + display(geojson); + + const displayMeasurements = getDisplayMeasurements(geojson); + + // create custom feature for the current pointer position + const currentVertex = { + type: 'Feature', + properties: { + meta: 'currentPosition', + radius: `${displayMeasurements.metric} ${displayMeasurements.standard}`, + parent: state.line.id + }, + geometry: { + type: 'Point', + coordinates: geojson.geometry.coordinates[1] + } + }; + + display(currentVertex); + + const circleFeature = circleFromTwoVertexLineString(geojson); + + circleFeature.properties = { + active: 'true' + }; + + display(circleFeature); + + return null; + } +}; + +module.exports = CircleMode; diff --git a/src/ui/draw/extend_draw_bar.js b/src/ui/draw/extend_draw_bar.js new file mode 100644 index 000000000..f03b32a1e --- /dev/null +++ b/src/ui/draw/extend_draw_bar.js @@ -0,0 +1,46 @@ +// from https://jsfiddle.net/fxi/xf51zet4/ +class extendDrawBar { + constructor(opt) { + const ctrl = this; + ctrl.draw = opt.draw; + ctrl.buttons = opt.buttons || []; + ctrl.onAddOrig = opt.draw.onAdd; + ctrl.onRemoveOrig = opt.draw.onRemove; + } + onAdd(map) { + const ctrl = this; + ctrl.map = map; + ctrl.elContainer = ctrl.onAddOrig(map); + ctrl.buttons.forEach((b) => { + ctrl.addButton(b); + }); + return ctrl.elContainer; + } + onRemove(map) { + const ctrl = this; + ctrl.buttons.forEach((b) => { + ctrl.removeButton(b); + }); + ctrl.onRemoveOrig(map); + } + addButton(opt) { + const ctrl = this; + const elButton = document.createElement('button'); + elButton.className = 'mapbox-gl-draw_ctrl-draw-btn'; + if (opt.classes instanceof Array) { + opt.classes.forEach((c) => { + elButton.classList.add(c); + }); + } + elButton.addEventListener(opt.on, opt.action); + elButton.title = opt.title; + ctrl.elContainer.appendChild(elButton); + opt.elButton = elButton; + } + removeButton(opt) { + opt.elButton.removeEventListener(opt.on, opt.action); + opt.elButton.remove(); + } +} + +module.exports = extendDrawBar; diff --git a/src/ui/draw/linestring.js b/src/ui/draw/linestring.js new file mode 100644 index 000000000..5e55beb92 --- /dev/null +++ b/src/ui/draw/linestring.js @@ -0,0 +1,63 @@ +// this mode extends the build-in linestring tool, displaying the current length +// of the line as the user draws using a point feature and a symbol layer +const MapboxDraw = require('@mapbox/mapbox-gl-draw'); + +const { getDisplayMeasurements } = require('./util.js'); + +const ExtendedLineStringMode = { + ...MapboxDraw.modes.draw_line_string, + + toDisplayFeatures: function (state, geojson, display) { + const isActiveLine = geojson.properties.id === state.line.id; + geojson.properties.active = isActiveLine ? 'true' : 'false'; + if (!isActiveLine) return display(geojson); + // Only render the line if it has at least one real coordinate + if (geojson.geometry.coordinates.length < 2) return; + geojson.properties.meta = 'feature'; + display({ + type: 'Feature', + properties: { + meta: 'vertex', + parent: state.line.id, + coord_path: `${ + state.direction === 'forward' + ? geojson.geometry.coordinates.length - 2 + : 1 + }`, + active: 'false' + }, + geometry: { + type: 'Point', + coordinates: + geojson.geometry.coordinates[ + state.direction === 'forward' + ? geojson.geometry.coordinates.length - 2 + : 1 + ] + } + }); + + display(geojson); + + const displayMeasurements = getDisplayMeasurements(geojson); + + // create custom feature for the current pointer position + const currentVertex = { + type: 'Feature', + properties: { + meta: 'currentPosition', + radius: `${displayMeasurements.metric}\n${displayMeasurements.standard}`, + parent: state.line.id + }, + geometry: { + type: 'Point', + coordinates: + geojson.geometry.coordinates[geojson.geometry.coordinates.length - 1] + } + }; + + display(currentVertex); + } +}; + +module.exports = ExtendedLineStringMode; diff --git a/src/ui/draw/rectangle.js b/src/ui/draw/rectangle.js new file mode 100644 index 000000000..8ea239ea6 --- /dev/null +++ b/src/ui/draw/rectangle.js @@ -0,0 +1,140 @@ +// from https://github.com/thegisdev/mapbox-gl-draw-rectangle-mode +const doubleClickZoom = { + enable: (ctx) => { + setTimeout(() => { + // First check we've got a map and some context. + if ( + !ctx.map || + !ctx.map.doubleClickZoom || + !ctx._ctx || + !ctx._ctx.store || + !ctx._ctx.store.getInitialConfigValue + ) + return; + // Now check initial state wasn't false (we leave it disabled if so) + if (!ctx._ctx.store.getInitialConfigValue('doubleClickZoom')) return; + ctx.map.doubleClickZoom.enable(); + }, 0); + }, + disable(ctx) { + setTimeout(() => { + if (!ctx.map || !ctx.map.doubleClickZoom) return; + // Always disable here, as it's necessary in some cases. + ctx.map.doubleClickZoom.disable(); + }, 0); + } +}; + +const DrawRectangle = { + // When the mode starts this function will be called. + onSetup: function () { + const rectangle = this.newFeature({ + type: 'Feature', + properties: {}, + geometry: { + type: 'Polygon', + coordinates: [[]] + } + }); + this.addFeature(rectangle); + this.clearSelectedFeatures(); + doubleClickZoom.disable(this); + this.updateUIClasses({ mouse: 'add' }); + this.setActionableState({ + trash: true + }); + return { + rectangle + }; + }, + // support mobile taps + onTap: function (state, e) { + // emulate 'move mouse' to update feature coords + if (state.startPoint) this.onMouseMove(state, e); + // emulate onClick + this.onClick(state, e); + }, + // Whenever a user clicks on the map, Draw will call `onClick` + onClick: function (state, e) { + // if state.startPoint exist, means its second click + // change to simple_select mode + if ( + state.startPoint && + state.startPoint[0] !== e.lngLat.lng && + state.startPoint[1] !== e.lngLat.lat + ) { + this.updateUIClasses({ mouse: 'pointer' }); + state.endPoint = [e.lngLat.lng, e.lngLat.lat]; + this.changeMode('simple_select', { featuresId: state.rectangle.id }); + } + // on first click, save clicked point coords as starting for rectangle + const startPoint = [e.lngLat.lng, e.lngLat.lat]; + state.startPoint = startPoint; + }, + onMouseMove: function (state, e) { + // if startPoint, update the feature coordinates, using the bounding box concept + // we are simply using the startingPoint coordinates and the current Mouse Position + // coordinates to calculate the bounding box on the fly, which will be our rectangle + if (state.startPoint) { + state.rectangle.updateCoordinate( + '0.0', + state.startPoint[0], + state.startPoint[1] + ); // minX, minY - the starting point + state.rectangle.updateCoordinate( + '0.1', + e.lngLat.lng, + state.startPoint[1] + ); // maxX, minY + state.rectangle.updateCoordinate('0.2', e.lngLat.lng, e.lngLat.lat); // maxX, maxY + state.rectangle.updateCoordinate( + '0.3', + state.startPoint[0], + e.lngLat.lat + ); // minX,maxY + state.rectangle.updateCoordinate( + '0.4', + state.startPoint[0], + state.startPoint[1] + ); // minX,minY - ending point (equals to starting point) + } + }, + // Whenever a user clicks on a key while focused on the map, it will be sent here + onKeyUp: function (state, e) { + if (e.keyCode === 27) return this.changeMode('simple_select'); + }, + onStop: function (state) { + doubleClickZoom.enable(this); + this.updateUIClasses({ mouse: 'none' }); + this.activateUIButton(); + + // check to see if we've deleted this feature + if (this.getFeature(state.rectangle.id) === undefined) return; + + // remove last added coordinate + state.rectangle.removeCoordinate('0.4'); + if (state.rectangle.isValid()) { + this.map.fire('draw.create', { + features: [state.rectangle.toGeoJSON()] + }); + } else { + this.deleteFeature([state.rectangle.id], { silent: true }); + this.changeMode('simple_select', {}, { silent: true }); + } + }, + toDisplayFeatures: function (state, geojson, display) { + const isActivePolygon = geojson.properties.id === state.rectangle.id; + geojson.properties.active = isActivePolygon ? 'true' : 'false'; + if (!isActivePolygon) return display(geojson); + + // Only render the rectangular polygon if it has the starting point + if (!state.startPoint) return; + return display(geojson); + }, + onTrash: function (state) { + this.deleteFeature([state.rectangle.id], { silent: true }); + this.changeMode('simple_select'); + } +}; + +module.exports = DrawRectangle; diff --git a/src/ui/draw/simple_select.js b/src/ui/draw/simple_select.js new file mode 100644 index 000000000..9d5df6592 --- /dev/null +++ b/src/ui/draw/simple_select.js @@ -0,0 +1,19 @@ +const MapboxDraw = require('@mapbox/mapbox-gl-draw'); + +const SimpleSelect = { + ...MapboxDraw.modes.simple_select, + onDrag: function (state, e) { + const selectedFeatures = this.getSelected(); + const soloPointSelected = + selectedFeatures.length === 1 && selectedFeatures[0].type === 'Point'; + + // if the selected feature is a single point, allow dragging it without holding shift + // shift is required for multiple features, or single linestrings and polygons + if (state.canDragMove && (e.originalEvent.shiftKey || soloPointSelected)) + return this.dragMove(state, e); + if (this.drawConfig.boxSelect && state.canBoxSelect) + return this.whileBoxSelect(state, e); + } +}; + +module.exports = SimpleSelect; diff --git a/src/ui/draw/styles.js b/src/ui/draw/styles.js new file mode 100644 index 000000000..d40fb5599 --- /dev/null +++ b/src/ui/draw/styles.js @@ -0,0 +1,253 @@ +module.exports = [ + { + id: 'gl-draw-polygon-fill-inactive', + type: 'fill', + filter: [ + 'all', + ['==', 'active', 'false'], + ['==', '$type', 'Polygon'], + ['!=', 'mode', 'static'] + ], + paint: { + 'fill-color': '#3bb2d0', + 'fill-outline-color': '#3bb2d0', + 'fill-opacity': 0.1 + } + }, + { + id: 'gl-draw-polygon-fill-active', + type: 'fill', + filter: ['all', ['==', 'active', 'true'], ['==', '$type', 'Polygon']], + paint: { + 'fill-color': '#fbb03b', + 'fill-outline-color': '#fbb03b', + 'fill-opacity': 0.1 + } + }, + { + id: 'gl-draw-polygon-midpoint', + type: 'circle', + filter: ['all', ['==', '$type', 'Point'], ['==', 'meta', 'midpoint']], + paint: { + 'circle-radius': 3, + 'circle-color': '#fbb03b' + } + }, + { + id: 'gl-draw-polygon-stroke-inactive', + type: 'line', + filter: [ + 'all', + ['==', 'active', 'false'], + ['==', '$type', 'Polygon'], + ['!=', 'mode', 'static'] + ], + layout: { + 'line-cap': 'round', + 'line-join': 'round' + }, + paint: { + 'line-color': '#3bb2d0', + 'line-width': 2 + } + }, + { + id: 'gl-draw-polygon-stroke-active', + type: 'line', + filter: ['all', ['==', 'active', 'true'], ['==', '$type', 'Polygon']], + layout: { + 'line-cap': 'round', + 'line-join': 'round' + }, + paint: { + 'line-color': '#fbb03b', + 'line-dasharray': [0.2, 2], + 'line-width': 2 + } + }, + { + id: 'gl-draw-line-inactive', + type: 'line', + filter: [ + 'all', + ['==', 'active', 'false'], + ['==', '$type', 'LineString'], + ['!=', 'mode', 'static'] + ], + layout: { + 'line-cap': 'round', + 'line-join': 'round' + }, + paint: { + 'line-color': '#3bb2d0', + 'line-width': 2 + } + }, + { + id: 'gl-draw-line-active', + type: 'line', + filter: ['all', ['==', '$type', 'LineString'], ['==', 'active', 'true']], + layout: { + 'line-cap': 'round', + 'line-join': 'round' + }, + paint: { + 'line-color': '#fbb03b', + 'line-dasharray': [0.2, 2], + 'line-width': 2 + } + }, + { + id: 'gl-draw-polygon-and-line-vertex-stroke-inactive', + type: 'circle', + filter: [ + 'all', + ['==', 'meta', 'vertex'], + ['==', '$type', 'Point'], + ['!=', 'mode', 'static'] + ], + paint: { + 'circle-radius': 5, + 'circle-color': '#fff' + } + }, + { + id: 'gl-draw-polygon-and-line-vertex-inactive', + type: 'circle', + filter: [ + 'all', + ['==', 'meta', 'vertex'], + ['==', '$type', 'Point'], + ['!=', 'mode', 'static'] + ], + paint: { + 'circle-radius': 3, + 'circle-color': '#fbb03b' + } + }, + { + id: 'gl-draw-point-point-stroke-inactive', + type: 'circle', + filter: [ + 'all', + ['==', 'active', 'false'], + ['==', '$type', 'Point'], + ['==', 'meta', 'feature'], + ['!=', 'mode', 'static'] + ], + paint: { + 'circle-radius': 5, + 'circle-opacity': 1, + 'circle-color': '#fff' + } + }, + { + id: 'gl-draw-point-inactive', + type: 'circle', + filter: [ + 'all', + ['==', 'active', 'false'], + ['==', '$type', 'Point'], + ['==', 'meta', 'feature'], + ['!=', 'mode', 'static'] + ], + paint: { + 'circle-radius': 3, + 'circle-color': '#3bb2d0' + } + }, + { + id: 'gl-draw-point-stroke-active', + type: 'circle', + filter: [ + 'all', + ['==', '$type', 'Point'], + ['==', 'active', 'true'], + ['!=', 'meta', 'midpoint'] + ], + paint: { + 'circle-radius': 7, + 'circle-color': '#fff' + } + }, + { + id: 'gl-draw-point-active', + type: 'circle', + filter: [ + 'all', + ['==', '$type', 'Point'], + ['!=', 'meta', 'midpoint'], + ['==', 'active', 'true'] + ], + paint: { + 'circle-radius': 5, + 'circle-color': '#fbb03b' + } + }, + { + id: 'gl-draw-polygon-fill-static', + type: 'fill', + filter: ['all', ['==', 'mode', 'static'], ['==', '$type', 'Polygon']], + paint: { + 'fill-color': '#404040', + 'fill-outline-color': '#404040', + 'fill-opacity': 0.1 + } + }, + { + id: 'gl-draw-polygon-stroke-static', + type: 'line', + filter: ['all', ['==', 'mode', 'static'], ['==', '$type', 'Polygon']], + layout: { + 'line-cap': 'round', + 'line-join': 'round' + }, + paint: { + 'line-color': '#404040', + 'line-width': 2 + } + }, + { + id: 'gl-draw-line-static', + type: 'line', + filter: ['all', ['==', 'mode', 'static'], ['==', '$type', 'LineString']], + layout: { + 'line-cap': 'round', + 'line-join': 'round' + }, + paint: { + 'line-color': '#404040', + 'line-width': 2 + } + }, + { + id: 'gl-draw-point-static', + type: 'circle', + filter: ['all', ['==', 'mode', 'static'], ['==', '$type', 'Point']], + paint: { + 'circle-radius': 5, + 'circle-color': '#404040' + } + }, + { + id: 'gl-draw-symbol', + type: 'symbol', + layout: { + 'text-line-height': 1.1, + 'text-size': 15, + 'text-font': ['DIN Pro Medium', 'Arial Unicode MS Regular'], + 'text-anchor': 'left', + 'text-justify': 'left', + 'text-offset': [0.8, 0.8], + 'text-field': ['get', 'radius'], + 'text-max-width': 7 + }, + paint: { + 'text-color': 'hsl(0, 0%, 95%)', + 'text-halo-color': 'hsl(0, 5%, 0%)', + 'text-halo-width': 1, + 'text-halo-blur': 1 + }, + filter: ['==', 'meta', 'currentPosition'] + } +]; diff --git a/src/ui/draw/util.js b/src/ui/draw/util.js new file mode 100644 index 000000000..61993ecd3 --- /dev/null +++ b/src/ui/draw/util.js @@ -0,0 +1,45 @@ +const turfLength = require('@turf/length').default; +const numeral = require('numeral'); + +function getDisplayMeasurements(feature) { + // should log both metric and standard display strings for the current drawn feature + + // metric calculation + const drawnLength = turfLength(feature) * 1000; // meters + + let metricUnits = 'm'; + let metricFormat = '0,0'; + let metricMeasurement; + + let standardUnits = 'ft'; + let standardFormat = '0,0'; + let standardMeasurement; + + metricMeasurement = drawnLength; + if (drawnLength >= 1000) { + // if over 1000 meters, upgrade metric + metricMeasurement = drawnLength / 1000; + metricUnits = 'km'; + metricFormat = '0.00'; + } + + standardMeasurement = drawnLength * 3.28084; + if (standardMeasurement >= 5280) { + // if over 5280 feet, upgrade standard + standardMeasurement /= 5280; + standardUnits = 'mi'; + standardFormat = '0.00'; + } + + const displayMeasurements = { + metric: `${numeral(metricMeasurement).format(metricFormat)} ${metricUnits}`, + standard: `${numeral(standardMeasurement).format( + standardFormat + )} ${standardUnits}` + }; + return displayMeasurements; +} + +module.exports = { + getDisplayMeasurements +}; diff --git a/src/ui/file_bar.js b/src/ui/file_bar.js new file mode 100644 index 000000000..947dccca2 --- /dev/null +++ b/src/ui/file_bar.js @@ -0,0 +1,359 @@ +const shpwrite = require('shp-write'), + clone = require('clone'), + geojson2dsv = require('geojson2dsv'), + topojson = require('topojson-server'), + saveAs = require('file-saver'), + tokml = require('@placemarkio/tokml'), + geojsonNormalize = require('@mapbox/geojson-normalize'), + wellknown = require('wellknown'); + +const flash = require('./flash'), + zoomextent = require('../lib/zoomextent'), + readFile = require('../lib/readfile'), + meta = require('../lib/meta.js'); + +/** + * This module provides the file picking & status bar above the map interface. + * It dispatches to source implementations that interface with specific + * sources, like GitHub. + */ +module.exports = function fileBar(context) { + const shpSupport = typeof ArrayBuffer !== 'undefined'; + + const exportFormats = [ + { + title: 'GeoJSON', + action: downloadGeoJSON + }, + { + title: 'TopoJSON', + action: downloadTopo + }, + { + title: 'CSV', + action: downloadDSV + }, + { + title: 'KML', + action: downloadKML + }, + { + title: 'WKT', + action: downloadWKT + } + ]; + + if (shpSupport) { + exportFormats.push({ + title: 'Shapefile', + action: downloadShp + }); + } + + function bar(selection) { + const actions = [ + { + title: 'Open', + alt: 'CSV, GTFS, KML, GPX, and other filetypes', + action: blindImport + }, + { + title: 'Save', + children: exportFormats + }, + { + title: 'New', + action: function () { + window.open( + window.location.origin + window.location.pathname + '#new' + ); + } + }, + { + title: 'Meta', + action: function () {}, + children: [ + { + title: 'Add raster tile layer', + alt: 'Add a custom tile layer', + action: function () { + const layerURL = prompt( + 'Layer URL\ne.g. https://stamen-tiles-b.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.jpg' + ); + if (layerURL === null) return; + const layerName = prompt('Layer name'); + if (layerName === null) return; + meta.adduserlayer(context, layerURL, layerName); + } + }, + { + title: 'Zoom to features', + alt: 'Zoom to the extent of all features', + action: function () { + meta.zoomextent(context); + } + }, + { + title: 'Clear', + alt: 'Delete all features from the map', + action: function () { + if ( + confirm( + 'Are you sure you want to delete all features from this map?' + ) + ) { + meta.clear(context); + } + } + }, + { + title: 'Random: Points', + alt: 'Add random points to your map', + action: function () { + const response = prompt('Number of points (default: 100)'); + if (response === null) return; + let count = parseInt(response, 10); + if (isNaN(count)) count = 100; + meta.random(context, count, 'point'); + } + }, + { + title: 'Add bboxes', + alt: 'Add bounding box members to all applicable GeoJSON objects', + action: function () { + meta.bboxify(context); + } + }, + { + title: 'Flatten Multi Features', + alt: 'Flatten MultiPolygons, MultiLines, and GeometryCollections into simple geometries', + action: function () { + meta.flatten(context); + } + }, + { + title: 'Load encoded polyline (precision 5)', + alt: 'Decode and show an encoded precision 5 polyline.', + action: function () { + meta.polyline(context); + } + }, + { + title: 'Load encoded polyline (precision 6)', + alt: 'Decode and show an encoded precision 6 polyline.', + action: function () { + meta.polyline6(context); + } + }, + { + title: 'Load WKB Base64 Encoded String', + alt: 'Decode and show WKX data', + action: function () { + meta.wkxBase64(context); + } + }, + { + title: 'Load WKB Hex Encoded String', + alt: 'Decode and show WKX data', + action: function () { + meta.wkxHex(context); + } + }, + { + title: 'Load WKT String', + alt: 'Decode and show WKX data', + action: function () { + meta.wkxString(context); + } + } + ] + } + ]; + + const items = selection + .append('div') + .attr('class', 'inline') + .selectAll('div.item') + .data(actions) + .enter() + .append('div') + .attr('class', 'item'); + + items + .append('a') + .attr('class', 'parent') + .on('click', function (d) { + if (d.action) d.action.apply(this, d); + }) + .text((d) => { + return ' ' + d.title; + }); + + items.each(function (d) { + if (!d.children) return; + d3.select(this) + .append('div') + .attr('class', 'children') + .call(submenu(d.children)); + }); + + function submenu(children) { + return function (selection) { + selection + .selectAll('a') + .data(children) + .enter() + .append('a') + .attr('title', (d) => { + if ( + d.title === 'File' || + d.title === 'GitHub' || + d.title === 'Gist' || + d.title === 'Add map layer' || + d.title === 'Zoom to features' || + d.title === 'Clear' || + d.title === 'Random: Points' || + d.title === 'Add bboxes' || + d.title === 'Flatten Multi Features' + ) + return d.alt; + }) + .text((d) => { + return d.title; + }) + .on('click', function (d) { + d.action.apply(this, d); + }); + }; + } + + function blindImport() { + const put = d3 + .select('body') + .append('input') + .attr('type', 'file') + .style('visibility', 'hidden') + .style('position', 'absolute') + .style('height', '0') + .on('change', function () { + const files = this.files; + if (!(files && files[0])) return; + readFile.readAsText(files[0], (err, text) => { + readFile.readFile(files[0], text, onImport); + if (files[0].path) { + context.data.set({ + path: files[0].path + }); + } + }); + put.remove(); + }); + put.node().click(); + } + + function onImport(err, gj, warning) { + gj = geojsonNormalize(gj); + if (gj) { + context.data.mergeFeatures(gj.features); + if (warning) { + flash(context.container, warning.message); + } else { + flash( + context.container, + 'Imported ' + gj.features.length + ' features.' + ).classed('success', 'true'); + } + zoomextent(context); + } + } + + d3.select(document).call( + d3.keybinding('file_bar').on('⌘+o', () => { + blindImport(); + d3.event.preventDefault(); + }) + ); + } + + function downloadTopo() { + const content = JSON.stringify( + topojson.topology( + { + collection: clone(context.data.get('map')) + }, + { 'property-transform': allProperties } + ) + ); + + saveAs( + new Blob([content], { + type: 'text/plain;charset=utf-8' + }), + 'map.topojson' + ); + } + + function downloadGeoJSON() { + if (d3.event) d3.event.preventDefault(); + const content = JSON.stringify(context.data.get('map')); + const meta = context.data.get('meta'); + saveAs( + new Blob([content], { + type: 'text/plain;charset=utf-8' + }), + (meta && meta.name) || 'map.geojson' + ); + } + + function downloadDSV() { + if (d3.event) d3.event.preventDefault(); + const content = geojson2dsv(context.data.get('map')); + saveAs( + new Blob([content], { + type: 'text/plain;charset=utf-8' + }), + 'points.csv' + ); + } + + function downloadKML() { + if (d3.event) d3.event.preventDefault(); + const content = tokml.toKML(context.data.get('map')); + saveAs( + new Blob([content], { + type: 'text/plain;charset=utf-8' + }), + 'map.kml' + ); + } + + function downloadShp() { + if (d3.event) d3.event.preventDefault(); + d3.select('.map').classed('loading', true); + try { + shpwrite.download(context.data.get('map')); + } finally { + d3.select('.map').classed('loading', false); + } + } + + function downloadWKT() { + if (d3.event) d3.event.preventDefault(); + const features = context.data.get('map').features; + if (features.length === 0) return; + const content = features.map(wellknown.stringify).join('\n'); + saveAs( + new Blob([content], { + type: 'text/plain;charset=utf-8' + }), + 'map.wkt' + ); + } + + function allProperties(properties, key, value) { + properties[key] = value; + return true; + } + + return bar; +}; diff --git a/src/ui/flash.js b/src/ui/flash.js new file mode 100644 index 000000000..dad115684 --- /dev/null +++ b/src/ui/flash.js @@ -0,0 +1,17 @@ +const message = require('./message'); + +module.exports = flash; + +function flash(selection, txt) { + 'use strict'; + + const msg = message(selection); + + if (txt) msg.select('.content').html(txt); + + setTimeout(() => { + msg.transition().style('opacity', 0).remove(); + }, 5000); + + return msg; +} diff --git a/src/ui/import.js b/src/ui/import.js new file mode 100644 index 000000000..f7202d228 --- /dev/null +++ b/src/ui/import.js @@ -0,0 +1,85 @@ +const importSupport = !!window.FileReader, + flash = require('./flash.js'), + readFile = require('../lib/readfile.js'), + zoomextent = require('../lib/zoomextent'); + +module.exports = function (context) { + return function (selection) { + selection.html(''); + + const wrap = selection.append('div').attr('class', 'pad1'); + + wrap + .append('div') + .attr('class', 'modal-message') + .text('Drop files to map!'); + + if (importSupport) { + const import_landing = wrap.append('div').attr('class', 'pad2 fillL'); + + const message = import_landing.append('div').attr('class', 'center'); + + const fileInput = message + .append('input') + .attr('type', 'file') + .style('visibility', 'hidden') + .style('position', 'absolute') + .style('height', '0') + .on('change', function () { + const files = this.files; + if (!(files && files[0])) return; + readFile.readAsText(files[0], (err, text) => { + readFile.readFile(files[0], text, onImport); + // node-webkit: path included + if (files[0].path) { + context.data.set({ + path: files[0].path + }); + } + }); + }); + + const button = message.append('button').on('click', () => { + fileInput.node().click(); + }); + button.append('span').attr('class', 'icon-arrow-down'); + button.append('span').text(' Open'); + message + .append('p') + .attr('class', 'deemphasize') + .append('small') + .text( + 'GeoJSON, TopoJSON, KML, CSV, GPX and OSM XML supported. You can also drag & drop files.' + ); + } else { + wrap + .append('p') + .attr('class', 'blank-banner center') + .text( + 'Sorry, geojson.io supports importing GeoJSON, TopoJSON, KML, CSV, GPX, and OSM XML files, but ' + + "your browser isn't compatible. Please use Google Chrome, Safari 6, IE10, Firefox, or Opera for an optimal experience." + ); + } + + function onImport(err, gj, warning) { + if (err) { + if (err.message) { + flash(context.container, err.message).classed('error', 'true'); + } + } else if (gj && gj.features) { + context.data.mergeFeatures(gj.features); + if (warning) { + flash(context.container, warning.message); + } else { + flash( + context.container, + 'Imported ' + gj.features.length + ' features.' + ).classed('success', 'true'); + } + zoomextent(context); + } + } + + wrap.append('div').attr('class', 'pad1'); + }; +}; diff --git a/src/ui/layer_switch.js b/src/ui/layer_switch.js new file mode 100644 index 000000000..dd6fe4afc --- /dev/null +++ b/src/ui/layer_switch.js @@ -0,0 +1,53 @@ +const styles = require('./map/styles'); +const { DEFAULT_STYLE } = require('../constants'); + +module.exports = function (context) { + return function (selection) { + const layerButtons = selection + .append('div') + .attr('class', 'layer-switch absolute left-0 bottom-0 mb-9 text-xs z-10') + .selectAll('button') + .data(styles); + + const layerSwap = function () { + const clicked = this instanceof d3.selection ? this.node() : this; + layerButtons.classed('active', function () { + return clicked === this; + }); + + // set user-layer button to inactive + d3.select('.user-layer-button').classed('active', false); + + // this will likely run before the initial map style is loaded + // streets is default, but on subsequent runs we must change styles + if (context.map._loaded) { + const { title, style } = d3.select(clicked).datum(); + + context.map.setStyle(style); + + context.storage.set('style', title); + + context.data.set({ + mapStyleLoaded: true + }); + } + }; + + layerButtons + .enter() + .append('button') + .attr('class', 'pad0x') + .on('click', layerSwap) + .text((d) => { + return d.title; + }); + + const activeStyle = context.storage.get('style') || DEFAULT_STYLE; + + layerButtons + .filter(({ title }) => { + return title === activeStyle; + }) + .call(layerSwap); + }; +}; diff --git a/src/ui/map/clickable_marker.js b/src/ui/map/clickable_marker.js new file mode 100644 index 000000000..54f33f901 --- /dev/null +++ b/src/ui/map/clickable_marker.js @@ -0,0 +1,55 @@ +// extend mapboxGL Marker so we can pass in an onClick handler +const mapboxgl = require('mapbox-gl'); + +class ClickableMarker extends mapboxgl.Marker { + constructor(options, legacyOptions) { + super(options, legacyOptions); + + const { symbol = 'circle', symbolColor = '#fff' } = options; + + if ( + symbol !== 'circle' && + (makiNames.includes(symbol) || /^[a-z0-9]$/.test(symbol)) + ) { + const symbolPath = document.createElement('path'); + this._element.querySelector('circle').replaceWith(symbolPath); + + // download svg symbol and insert its path where the circle was + // eslint-disable-next-line no-unused-vars + const xml = d3.xml(`../dist/icons/${symbol}.svg`, (err, xml) => { + if (err) { + console.error( + `Error downloading the svg from: ../dist/icons/${symbol}.svg` + ); + } else { + symbolPath.outerHTML = ``; + } + }); + } + } + + // new method onClick, sets _handleClick to a function you pass in + onClick(handleClick) { + this._handleClick = handleClick; + return this; + } + + // the existing _onMapClick was there to trigger a popup + // but we are hijacking it to run a function we define + _onMapClick(e) { + const targetElement = e.originalEvent.target; + const element = this._element; + + if ( + this._handleClick && + (targetElement === element || element.contains(targetElement)) + ) { + this._handleClick(); + } + } +} + +module.exports = ClickableMarker; diff --git a/src/ui/map/controls.js b/src/ui/map/controls.js new file mode 100644 index 000000000..8a6644c10 --- /dev/null +++ b/src/ui/map/controls.js @@ -0,0 +1,59 @@ +class EditControl { + onAdd(map) { + this.map = map; + this._container = document.createElement('div'); + this._container.className = + 'mapboxgl-ctrl-group mapboxgl-ctrl edit-control hidden'; + + this._container.innerHTML = ` + + `; + + return this._container; + } +} +class SaveCancelControl { + onAdd(map) { + this.map = map; + this._container = document.createElement('div'); + this._container.className = + 'save-cancel-control bg-white rounded pt-1 pb-2 px-2 mt-2 mr-2 float-right clear-both pointer-events-auto'; + this._container.style = 'display: none;'; + this._container.innerHTML = ` +
Editing Geometries
+
+ + +
+ `; + + return this._container; + } +} +class TrashControl { + onAdd(map) { + this.map = map; + this._container = document.createElement('div'); + this._container.className = + 'mapboxgl-ctrl-group mapboxgl-ctrl trash-control'; + this._container.style = 'display: none;'; + this._container.innerHTML = ` + + `; + + return this._container; + } +} + +module.exports = { + EditControl, + SaveCancelControl, + TrashControl +}; diff --git a/src/ui/map/index.js b/src/ui/map/index.js new file mode 100644 index 000000000..6669ebfd7 --- /dev/null +++ b/src/ui/map/index.js @@ -0,0 +1,494 @@ +const mapboxgl = require('mapbox-gl'); + +require('qs-hash'); +const geojsonRewind = require('@mapbox/geojson-rewind'); +const MapboxDraw = require('@mapbox/mapbox-gl-draw'); +const MapboxGeocoder = require('@mapbox/mapbox-gl-geocoder'); + +const DrawLineString = require('../draw/linestring'); +const DrawRectangle = require('../draw/rectangle'); +const DrawCircle = require('../draw/circle'); +const SimpleSelect = require('../draw/simple_select'); +const ExtendDrawBar = require('../draw/extend_draw_bar'); +const { EditControl, SaveCancelControl, TrashControl } = require('./controls'); +const { geojsonToLayer, bindPopup } = require('./util'); +const styles = require('./styles'); +const { + DEFAULT_STYLE, + DEFAULT_PROJECTION, + DEFAULT_DARK_FEATURE_COLOR, + DEFAULT_LIGHT_FEATURE_COLOR, + DEFAULT_SATELLITE_FEATURE_COLOR +} = require('../../constants'); +const drawStyles = require('../draw/styles'); + +let writable = false; +let drawing = false; +let editing = false; + +const dummyGeojson = { + type: 'FeatureCollection', + features: [ + { + type: 'Feature', + geometry: { + type: 'Point', + coordinates: [0, 0] + } + } + ] +}; + +module.exports = function (context, readonly) { + writable = !readonly; + + // keyboard shortcuts + const keybinding = d3 + .keybinding('map') + // delete key triggers draw.trash() + .on('⌫', () => { + if (editing) { + context.Draw.trash(); + } + }) + .on('m', () => { + if (!editing) { + context.Draw.changeMode('draw_point'); + } + }) + .on('l', () => { + if (!editing) { + context.Draw.changeMode('draw_line_string'); + } + }) + .on('p', () => { + if (!editing) { + context.Draw.changeMode('draw_polygon'); + } + }) + .on('r', () => { + if (!editing) { + context.Draw.changeMode('draw_rectangle'); + } + }) + .on('c', () => { + if (!editing) { + context.Draw.changeMode('draw_circle'); + } + }); + + d3.select(document).call(keybinding); + + function maybeShowEditControl() { + // if there are features, show the edit button + if (context.data.hasFeatures()) { + d3.select('.edit-control').style('display', 'block'); + } + } + + function map() { + mapboxgl.accessToken = + 'pk.eyJ1Ijoic3ZjLW9rdGEtbWFwYm94LXN0YWZmLWFjY2VzcyIsImEiOiJjbG5sMnExa3kxNTJtMmtsODJld24yNGJlIn0.RQ4CHchAYPJQZSiUJ0O3VQ'; + + mapboxgl.setRTLTextPlugin( + 'https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-rtl-text/v0.2.3/mapbox-gl-rtl-text.js', + null, + true + ); + + const projection = context.storage.get('projection') || DEFAULT_PROJECTION; + let activeStyle = context.storage.get('style') || DEFAULT_STYLE; + + // handle previous users who had Streets selected + if (activeStyle === 'Streets') { + activeStyle = 'Standard'; + } + + const { style } = styles.find((d) => d.title === activeStyle); + + context.map = new mapboxgl.Map({ + container: 'map', + style, + center: [20, 0], + zoom: 2, + projection, + hash: 'map' + }); + + if (writable) { + context.map.addControl( + new MapboxGeocoder({ + accessToken: mapboxgl.accessToken, + mapboxgl, + marker: true + }) + ); + + context.Draw = new MapboxDraw({ + displayControlsDefault: false, + modes: { + ...MapboxDraw.modes, + simple_select: SimpleSelect, + direct_select: MapboxDraw.modes.direct_select, + draw_line_string: DrawLineString, + draw_rectangle: DrawRectangle, + draw_circle: DrawCircle + }, + controls: {}, + styles: drawStyles + }); + + const drawControl = new ExtendDrawBar({ + draw: context.Draw, + buttons: [ + { + on: 'click', + action: () => { + drawing = true; + context.Draw.changeMode('draw_point'); + }, + classes: ['mapbox-gl-draw_ctrl-draw-btn', 'mapbox-gl-draw_point'], + title: 'Draw Point (m)' + }, + { + on: 'click', + action: () => { + drawing = true; + context.Draw.changeMode('draw_line_string'); + }, + classes: ['mapbox-gl-draw_ctrl-draw-btn', 'mapbox-gl-draw_line'], + title: 'Draw LineString (l)' + }, + { + on: 'click', + action: () => { + drawing = true; + context.Draw.changeMode('draw_polygon'); + }, + classes: ['mapbox-gl-draw_ctrl-draw-btn', 'mapbox-gl-draw_polygon'], + title: 'Draw Polygon (p)' + }, + { + on: 'click', + action: () => { + drawing = true; + context.Draw.changeMode('draw_rectangle'); + }, + classes: [ + 'mapbox-gl-draw_ctrl-draw-btn', + 'mapbox-gl-draw_rectangle' + ], + title: 'Draw Rectangular Polygon (r)' + }, + { + on: 'click', + action: () => { + drawing = true; + context.Draw.changeMode('draw_circle'); + }, + classes: ['mapbox-gl-draw_ctrl-draw-btn', 'mapbox-gl-draw_circle'], + title: 'Draw Circular Polygon (c)' + } + ] + }); + + context.map.addControl(new mapboxgl.NavigationControl()); + + context.map.addControl(drawControl, 'top-right'); + + const editControl = new EditControl(); + context.map.addControl(editControl, 'top-right'); + + const saveCancelControl = new SaveCancelControl(); + + context.map.addControl(saveCancelControl, 'top-right'); + + const trashControl = new TrashControl(); + + context.map.addControl(trashControl, 'top-right'); + + const exitEditMode = () => { + editing = false; + // show the data layers + context.map.setLayoutProperty('map-data-fill', 'visibility', 'visible'); + context.map.setLayoutProperty( + 'map-data-fill-outline', + 'visibility', + 'visible' + ); + context.map.setLayoutProperty('map-data-line', 'visibility', 'visible'); + + // show markers + d3.selectAll('.mapboxgl-marker').style('display', 'block'); + + // clean up draw + context.Draw.changeMode('simple_select'); + context.Draw.deleteAll(); + + // hide the save/cancel control and the delete control + d3.select('.save-cancel-control').style('display', 'none'); + d3.select('.trash-control').style('display', 'none'); + + // show the edit button and draw tools + maybeShowEditControl(); + d3.select('.mapboxgl-ctrl-group:nth-child(3)').style( + 'display', + 'block' + ); + }; + + // handle save or cancel from edit mode + d3.selectAll('.mapboxgl-draw-actions-btn').on('click', function () { + const target = d3.select(this); + const isSaveButton = target.classed('mapboxgl-draw-actions-btn_save'); + if (isSaveButton) { + const FC = context.Draw.getAll(); + context.data.set( + { + map: { + ...FC, + features: stripIds(FC.features) + } + }, + 'map' + ); + } + + exitEditMode(); + }); + + // handle delete + d3.select('.mapbox-gl-draw_trash').on('click', () => { + context.Draw.trash(); + }); + + // enter edit mode + d3.selectAll('.mapbox-gl-draw_edit').on('click', () => { + editing = true; + // hide the edit button and draw tools + d3.select('.edit-control').style('display', 'none'); + d3.select('.mapboxgl-ctrl-group:nth-child(3)').style('display', 'none'); + + // show the save/cancel control and the delete control + d3.select('.save-cancel-control').style('display', 'block'); + d3.select('.trash-control').style('display', 'block'); + + // hide the line and polygon data layers + context.map.setLayoutProperty('map-data-fill', 'visibility', 'none'); + context.map.setLayoutProperty( + 'map-data-fill-outline', + 'visibility', + 'none' + ); + context.map.setLayoutProperty('map-data-line', 'visibility', 'none'); + + // hide markers + d3.selectAll('.mapboxgl-marker').style('display', 'none'); + + // import the current data into draw for editing + const featureIds = context.Draw.add(context.data.get('map')); + context.Draw.changeMode('simple_select', { + featureIds + }); + }); + } + + context.map.on('idle', () => { + if ( + context.data.get('mapStyleLoaded') && + !context.map.getSource('map-data') + ) { + const { name } = context.map.getStyle(); + + let color = DEFAULT_DARK_FEATURE_COLOR; // Sets default dark color for lighter base maps + + // Sets a light color for dark base map + if (['Mapbox Dark'].includes(name)) { + color = DEFAULT_LIGHT_FEATURE_COLOR; + } + + // Sets a brighter color for the satellite base map to help with visibility. + if (['Mapbox Satellite Streets'].includes(name)) { + color = DEFAULT_SATELLITE_FEATURE_COLOR; + } + + // setFog only on Light and Dark + if (['Mapbox Light', 'Mapbox Dark', 'osm'].includes(name)) { + context.map.setFog({ + range: [0.5, 10], + color: '#ffffff', + 'high-color': '#245cdf', + 'space-color': [ + 'interpolate', + ['linear'], + ['zoom'], + 4, + '#010b19', + 7, + '#367ab9' + ], + 'horizon-blend': [ + 'interpolate', + ['exponential', 1.2], + ['zoom'], + 5, + 0.02, + 7, + 0.08 + ], + 'star-intensity': [ + 'interpolate', + ['linear'], + ['zoom'], + 5, + 0.35, + 6, + 0 + ] + }); + } + + context.map.addSource('map-data', { + type: 'geojson', + data: dummyGeojson + }); + + context.map.addLayer({ + id: 'map-data-fill', + type: 'fill', + source: 'map-data', + paint: { + 'fill-color': ['coalesce', ['get', 'fill'], color], + 'fill-opacity': ['coalesce', ['get', 'fill-opacity'], 0.3] + }, + filter: ['==', ['geometry-type'], 'Polygon'] + }); + + context.map.addLayer({ + id: 'map-data-fill-outline', + type: 'line', + source: 'map-data', + paint: { + 'line-color': ['coalesce', ['get', 'stroke'], color], + 'line-width': ['coalesce', ['get', 'stroke-width'], 2], + 'line-opacity': ['coalesce', ['get', 'stroke-opacity'], 1] + }, + filter: ['==', ['geometry-type'], 'Polygon'] + }); + + context.map.addLayer({ + id: 'map-data-line', + type: 'line', + source: 'map-data', + paint: { + 'line-color': ['coalesce', ['get', 'stroke'], color], + 'line-width': ['coalesce', ['get', 'stroke-width'], 2], + 'line-opacity': ['coalesce', ['get', 'stroke-opacity'], 1] + }, + filter: ['==', ['geometry-type'], 'LineString'] + }); + + geojsonToLayer(context, writable); + + context.data.set({ + mapStyleLoaded: false + }); + } + }); + + // only show projection toggle on zoom < 6 + context.map.on('zoomend', () => { + const zoom = context.map.getZoom(); + if (zoom < 6) { + d3.select('.projection-switch').style('opacity', 1); + } else { + d3.select('.projection-switch').style('opacity', 0); + } + }); + + const maybeSetCursorToPointer = () => { + if (context.Draw.getMode() === 'simple_select') { + context.map.getCanvas().style.cursor = 'pointer'; + } + }; + + const maybeResetCursor = () => { + if (context.Draw.getMode() === 'simple_select') { + context.map.getCanvas().style.removeProperty('cursor'); + } + }; + + const handleLinestringOrPolygonClick = (e) => { + // prevent this popup from opening when the original click was on a marker + const el = e.originalEvent.target; + if (el.nodeName !== 'CANVAS') return; + // prevent this popup from opening when drawing new features + if (drawing) return; + + bindPopup(e, context, writable); + }; + + context.map.on('load', () => { + context.data.set({ + mapStyleLoaded: true + }); + context.map.on('mouseenter', 'map-data-fill', maybeSetCursorToPointer); + context.map.on('mouseleave', 'map-data-fill', maybeResetCursor); + context.map.on('mouseenter', 'map-data-line', maybeSetCursorToPointer); + context.map.on('mouseleave', 'map-data-line', maybeResetCursor); + + context.map.on('click', 'map-data-fill', handleLinestringOrPolygonClick); + context.map.on('click', 'map-data-line', handleLinestringOrPolygonClick); + context.map.on( + 'touchstart', + 'map-data-fill', + handleLinestringOrPolygonClick + ); + context.map.on( + 'touchstart', + 'map-data-line', + handleLinestringOrPolygonClick + ); + }); + + context.map.on('draw.create', created); + + function stripIds(features) { + return features.map((feature) => { + delete feature.id; + return feature; + }); + } + + function created(e) { + context.Draw.deleteAll(); + update(stripIds(e.features)); + + // delay setting drawing back to false after a drawn feature is created + // this allows the map click handler to ignore the click and prevents a popup + // if the drawn feature endeds within an existing feature + setTimeout(() => { + drawing = false; + }, 500); + } + + function update(features) { + let FC = context.data.get('map'); + + FC.features = [...FC.features, ...features]; + + FC = geojsonRewind(FC); + + context.data.set({ map: FC }, 'map'); + } + + context.dispatch.on('change.map', ({ obj }) => { + maybeShowEditControl(); + if (obj.map) { + geojsonToLayer(context, writable); + } + }); + } + + return map; +}; diff --git a/src/ui/map/styles.js b/src/ui/map/styles.js new file mode 100644 index 000000000..c70a9386e --- /dev/null +++ b/src/ui/map/styles.js @@ -0,0 +1,48 @@ +module.exports = [ + { + title: 'Standard', + style: 'mapbox://styles/mapbox/standard' + }, + { + title: 'Satellite Streets', + style: 'mapbox://styles/mapbox/satellite-streets-v12' + }, + { + title: 'Outdoors', + style: 'mapbox://styles/mapbox/outdoors-v12' + }, + { + title: 'Light', + style: 'mapbox://styles/mapbox/light-v11' + }, + { + title: 'Dark', + style: 'mapbox://styles/mapbox/dark-v11' + }, + { + title: 'OSM', + style: { + name: 'osm', + version: 8, + glyphs: 'mapbox://fonts/mapbox/{fontstack}/{range}.pbf', + sources: { + 'osm-raster-tiles': { + type: 'raster', + tiles: ['https://tile.openstreetmap.org/{z}/{x}/{y}.png'], + tileSize: 256, + attribution: + '© OpenStreetMap' + } + }, + layers: [ + { + id: 'osm-raster-layer', + type: 'raster', + source: 'osm-raster-tiles', + minzoom: 0, + maxzoom: 22 + } + ] + } + } +]; diff --git a/src/ui/map/util.js b/src/ui/map/util.js new file mode 100644 index 000000000..251a724db --- /dev/null +++ b/src/ui/map/util.js @@ -0,0 +1,474 @@ +const mapboxgl = require('mapbox-gl'); +const escape = require('escape-html'); +const length = require('@turf/length').default; +const area = require('@turf/area').default; + +const popup = require('../../lib/popup'); +const ClickableMarker = require('./clickable_marker'); +const zoomextent = require('../../lib/zoomextent'); +const { + DEFAULT_DARK_FEATURE_COLOR, + DEFAULT_LIGHT_FEATURE_COLOR, + DEFAULT_SATELLITE_FEATURE_COLOR +} = require('../../constants'); + +const markers = []; + +makiNames = require('@mapbox/maki/layouts/all.json'); +let makiOptions = ''; + +for (let i = 0; i < makiNames.length; i++) { + makiOptions += '