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Proxy captured events through an event emitter.\n *\n * @todo Capture event parameters.\n * @see https://developers.google.com/youtube/iframe_api_reference#Events\n */\nYouTubePlayer.proxyEvents = function (emitter) {\n var events = {};\n\n var _loop = function _loop(eventName) {\n var onEventName = 'on' + eventName.slice(0, 1).toUpperCase() + eventName.slice(1);\n\n events[onEventName] = function (event) {\n debug('event \"%s\"', onEventName, event);\n\n emitter.trigger(eventName, event);\n };\n };\n\n var _iteratorNormalCompletion = true;\n var _didIteratorError = false;\n var _iteratorError = undefined;\n\n try {\n for (var _iterator = _eventNames2.default[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {\n var eventName = _step.value;\n\n _loop(eventName);\n }\n } catch (err) {\n _didIteratorError = true;\n _iteratorError = err;\n } finally {\n try {\n if (!_iteratorNormalCompletion && _iterator.return) {\n _iterator.return();\n }\n } finally {\n if (_didIteratorError) {\n throw _iteratorError;\n }\n }\n }\n\n return events;\n};\n\n/**\n * Delays player API method execution until player state is ready.\n *\n * @todo Proxy all of the methods using Object.keys.\n * @todo See TRICKY below.\n * @param playerAPIReady Promise that resolves when player is ready.\n * @param strictState A flag designating whether or not to wait for\n * an acceptable state when calling supported functions.\n * @returns {Object}\n */\nYouTubePlayer.promisifyPlayer = function (playerAPIReady) {\n var strictState = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n var functions = {};\n\n var _loop2 = function _loop2(functionName) {\n if (strictState && _FunctionStateMap2.default[functionName]) {\n functions[functionName] = function () {\n for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return playerAPIReady.then(function (player) {\n var stateInfo = _FunctionStateMap2.default[functionName];\n var playerState = player.getPlayerState();\n\n // eslint-disable-next-line no-warning-comments\n // TODO: Just spread the args into the function once Babel is fixed:\n // https://github.com/babel/babel/issues/4270\n //\n // eslint-disable-next-line prefer-spread\n var value = player[functionName].apply(player, args);\n\n // TRICKY: For functions like `seekTo`, a change in state must be\n // triggered given that the resulting state could match the initial\n // state.\n if (stateInfo.stateChangeRequired ||\n\n // eslint-disable-next-line no-extra-parens\n Array.isArray(stateInfo.acceptableStates) && stateInfo.acceptableStates.indexOf(playerState) === -1) {\n return new Promise(function (resolve) {\n var onPlayerStateChange = function onPlayerStateChange() {\n var playerStateAfterChange = player.getPlayerState();\n\n var timeout = void 0;\n\n if (typeof stateInfo.timeout === 'number') {\n timeout = setTimeout(function () {\n player.removeEventListener('onStateChange', onPlayerStateChange);\n\n resolve();\n }, stateInfo.timeout);\n }\n\n if (Array.isArray(stateInfo.acceptableStates) && stateInfo.acceptableStates.indexOf(playerStateAfterChange) !== -1) {\n player.removeEventListener('onStateChange', onPlayerStateChange);\n\n clearTimeout(timeout);\n\n resolve();\n }\n };\n\n player.addEventListener('onStateChange', onPlayerStateChange);\n }).then(function () {\n return value;\n });\n }\n\n return value;\n });\n };\n } else {\n functions[functionName] = function () {\n for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n return playerAPIReady.then(function (player) {\n // eslint-disable-next-line no-warning-comments\n // TODO: Just spread the args into the function once Babel is fixed:\n // https://github.com/babel/babel/issues/4270\n //\n // eslint-disable-next-line prefer-spread\n return player[functionName].apply(player, args);\n });\n };\n }\n };\n\n var _iteratorNormalCompletion2 = true;\n var _didIteratorError2 = false;\n var _iteratorError2 = undefined;\n\n try {\n for (var _iterator2 = _functionNames2.default[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {\n var functionName = _step2.value;\n\n _loop2(functionName);\n }\n } catch (err) {\n _didIteratorError2 = true;\n _iteratorError2 = err;\n } finally {\n try {\n if (!_iteratorNormalCompletion2 && _iterator2.return) {\n _iterator2.return();\n }\n } finally {\n if (_didIteratorError2) {\n throw _iteratorError2;\n }\n }\n }\n\n return functions;\n};\n\nexports.default = YouTubePlayer;\nmodule.exports = exports['default'];","\"use strict\";\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = {\n BUFFERING: 3,\n ENDED: 0,\n PAUSED: 2,\n PLAYING: 1,\n UNSTARTED: -1,\n VIDEO_CUED: 5\n};\nmodule.exports = exports[\"default\"];","'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\n\n/**\n * @see https://developers.google.com/youtube/iframe_api_reference#Events\n * `volumeChange` is not officially supported but seems to work\n * it emits an object: `{volume: 82.6923076923077, muted: false}`\n */\nexports.default = ['ready', 'stateChange', 'playbackQualityChange', 'playbackRateChange', 'error', 'apiChange', 'volumeChange'];\nmodule.exports = exports['default'];","'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\n\n/**\n * @see https://developers.google.com/youtube/iframe_api_reference#Functions\n */\nexports.default = ['cueVideoById', 'loadVideoById', 'cueVideoByUrl', 'loadVideoByUrl', 'playVideo', 'pauseVideo', 'stopVideo', 'getVideoLoadedFraction', 'cuePlaylist', 'loadPlaylist', 'nextVideo', 'previousVideo', 'playVideoAt', 'setShuffle', 'setLoop', 'getPlaylist', 'getPlaylistIndex', 'setOption', 'mute', 'unMute', 'isMuted', 'setVolume', 'getVolume', 'seekTo', 'getPlayerState', 'getPlaybackRate', 'setPlaybackRate', 'getAvailablePlaybackRates', 'getPlaybackQuality', 'setPlaybackQuality', 'getAvailableQualityLevels', 'getCurrentTime', 'getDuration', 'removeEventListener', 'getVideoUrl', 'getVideoEmbedCode', 'getOptions', 'getOption', 'addEventListener', 'destroy', 'setSize', 'getIframe'];\nmodule.exports = exports['default'];","'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _sister = require('sister');\n\nvar _sister2 = _interopRequireDefault(_sister);\n\nvar _loadYouTubeIframeApi = require('./loadYouTubeIframeApi');\n\nvar _loadYouTubeIframeApi2 = _interopRequireDefault(_loadYouTubeIframeApi);\n\nvar _YouTubePlayer = require('./YouTubePlayer');\n\nvar _YouTubePlayer2 = _interopRequireDefault(_YouTubePlayer);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * @typedef YT.Player\n * @see https://developers.google.com/youtube/iframe_api_reference\n * */\n\n/**\n * @see https://developers.google.com/youtube/iframe_api_reference#Loading_a_Video_Player\n */\nvar youtubeIframeAPI = void 0;\n\n/**\n * A factory function used to produce an instance of YT.Player and queue function calls and proxy events of the resulting object.\n *\n * @param maybeElementId Either An existing YT.Player instance,\n * the DOM element or the id of the HTML element where the API will insert an