toc build esm

scripts/generate-toc

@@ -1,28 +1,28 @@
 #!/usr/bin/env node
 'use strict';
 
-var fs = require('fs'),
-  cheerio = require('cheerio'),
-  yamlFront = require('yaml-front-matter');
+import fs from 'fs';
+import {load} from 'cheerio';
+import yamlFront from 'yaml-front-matter';
 
-var URL = '{{site.baseurl}}/docs/';
+const URL = '{{site.baseurl}}/docs/';
 
-var DIR = __dirname + '/../site/';
-var DOCS_LAYOUT = DIR + '_layouts/docs.html';
-var COMPILED_DOCS = DIR + '_site/docs';
-var TOC = DIR + '_includes/docs_toc.md';
+const DIR = __dirname + '/../site/';
+const DOCS_LAYOUT = DIR + '_layouts/docs.html';
+const COMPILED_DOCS = DIR + '_site/docs';
+const TOC = DIR + '_includes/docs_toc.md';
 
-var CONTENT_TAG = '.page-content';
-var INNER_LINK_TAG = 'h2';
+const CONTENT_TAG = '.page-content';
+const INNER_LINK_TAG = 'h2';
 
-var writeStream = fs.createWriteStream(TOC, {flags: 'w'}); // w flag means overwrite existing file
+const writeStream = fs.createWriteStream(TOC, {flags: 'w'}); // w flag means overwrite existing file
 
 writeStream.write('[//]: # (Auto-generated by scripts/generate-toc)\r\n');
 
 // generate markdown for list item
 function generateListItem(content, buffer) {
-  var indent = '';
-  for (var i = 0; i < buffer; i++) {
+  const indent = '';
+  for (const i = 0; i < buffer; i++) {
     indent += '    ';
   }
   return `${indent}- ${content}`;
@@ -39,29 +39,29 @@ fs.readFile(DOCS_LAYOUT, function (err, contents) {
     throw err;
   }
 
-  var front = yamlFront.loadFront(contents.toString());
-  var sidebar = front.sidebar; // docs sidebar, top level
+  const front = yamlFront.loadFront(contents.toString());
+  const sidebar = front.sidebar; // docs sidebar, top level
 
   function parseSidebar(sidebar, depth) {
     for (const el of sidebar) {
       // skip break and table of contents itself
       if (!el.break && el.url !== 'toc') {
-        var page = `${COMPILED_DOCS}/${el.url}.html`;
+        const page = `${COMPILED_DOCS}/${el.url}.html`;
 
         // generate markdown for top level navigation
-        var link = generateLink(el.text, el.url);
-        var li = generateListItem(link, depth);
+        const link = generateLink(el.text, el.url);
+        const li = generateListItem(link, depth);
         writeStream.write(li + '\r\n');
 
         // build DOM
-        var $ = cheerio.load(fs.readFileSync(page).toString());
+        const $ = load(fs.readFileSync(page).toString());
 
         // iterate through links in DOM tree
         $(CONTENT_TAG + ' ' + INNER_LINK_TAG).each(function () {
           // generate markdown for in-page navigation
-          var hash = '#' + $(this).attr('id');
-          var link = generateLink($(this).text(), el.url, hash);
-          var li = generateListItem(link, depth + 1);
+          const hash = '#' + $(this).attr('id');
+          const link = generateLink($(this).text(), el.url, hash);
+          const li = generateListItem(link, depth + 1);
           writeStream.write(li + '\r\n');
         });
       }