From 634c65fb38cffc17a4ce512f64002d284fdbdd2c Mon Sep 17 00:00:00 2001
From: Andy Earnshaw <andy.earnshaw@flashtalking.com>
Date: Tue, 30 Jun 2015 00:42:38 +0100
Subject: [PATCH] Use mdn-links package for cross-linking MDN

---
 lib/builder.js | 67 ++++++--------------------------------------------
 package.json   |  1 +
 scripts/mdn.js | 52 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 60 deletions(-)
 create mode 100755 scripts/mdn.js

diff --git a/lib/builder.js b/lib/builder.js
index eff016a0..feff6f2c 100644
--- a/lib/builder.js
+++ b/lib/builder.js
@@ -7,6 +7,7 @@
 
 var MarkdownIt = require('markdown-it');
 var fs = require('graceful-fs');
+var mdn = require('mdn-links');
 var noop = function () {};
 var path = require('path');
 var TEMPLATE;
@@ -251,13 +252,11 @@ YUI.add('doc-builder', function (Y) {
                 }
             }
             if (!link && self.options.linkNatives) {
-                if (self.NATIVES && self.NATIVES[item]) {
-                    href = self.NATIVES_LINKER(item);
-                    if (href) {
-                        className += ' external';
-                        newWin = true;
-                        link = true;
-                    }
+                href = mdn.getLink.apply(mdn, item.split('/'));
+                if (href) {
+                    className += ' external';
+                    newWin = true;
+                    link = true;
                 }
             }
             if (link) {
@@ -271,59 +270,7 @@ YUI.add('doc-builder', function (Y) {
             }
             return (raw) ? href : item;
         },
-        /**
-         * List of native types to cross link to MDN
-         * @property NATIVES
-         * @type Object
-         */
-        NATIVES: {
-            'Array': 1,
-            'Boolean': 1,
-            'Date': 1,
-            'decodeURI': 1,
-            'decodeURIComponent': 1,
-            'encodeURI': 1,
-            'encodeURIComponent': 1,
-            'eval': 1,
-            'Error': 1,
-            'EvalError': 1,
-            'Function': 1,
-            'Infinity': 1,
-            'isFinite': 1,
-            'isNaN': 1,
-            'Math': 1,
-            'NaN': 1,
-            'Number': 1,
-            'Object': 1,
-            'parseFloat': 1,
-            'parseInt': 1,
-            'RangeError': 1,
-            'ReferenceError': 1,
-            'RegExp': 1,
-            'String': 1,
-            'SyntaxError': 1,
-            'TypeError': 1,
-            'undefined': 1,
-            'URIError': 1,
-            'HTMLElement': 'https:/' + '/developer.mozilla.org/en/Document_Object_Model_(DOM)/',
-            'HTMLCollection': 'https:/' + '/developer.mozilla.org/en/Document_Object_Model_(DOM)/',
-            'DocumentFragment': 'https:/' + '/developer.mozilla.org/en/Document_Object_Model_(DOM)/',
-            'HTMLDocument': 'https:/' + '/developer.mozilla.org/en/Document_Object_Model_(DOM)/'
-        },
-        /**
-         * Function to link an external type uses `NATIVES` object
-         * @method NATIVES_LINKER
-         * @private
-         * @param {String} name The name of the type to link
-         * @return {String} The combined URL
-         */
-        NATIVES_LINKER: function (name) {
-            var url = 'https:/' + '/developer.mozilla.org/en/JavaScript/Reference/Global_Objects/';
-            if (this.NATIVES[name] !== 1) {
-                url = this.NATIVES[name];
-            }
-            return url + name;
-        },
+
         /**
          * Mixes the various external data soures together into the local data, augmenting
          * it with flags.
diff --git a/package.json b/package.json
index 06bb84a1..615df611 100644
--- a/package.json
+++ b/package.json
@@ -73,6 +73,7 @@
     "express": "^4.13.0",
     "graceful-fs": "^4.1.2",
     "markdown-it": "^4.2.2",
+    "mdn-links": "^0.1.0",
     "minimatch": "^2.0.8",
     "rimraf": "2.x",
     "yui": "^3.18.1"
diff --git a/scripts/mdn.js b/scripts/mdn.js
new file mode 100755
index 00000000..b44d5c61
--- /dev/null
+++ b/scripts/mdn.js
@@ -0,0 +1,52 @@
+#!/usr/bin/env node
+'use strict';
+
+var get = require('https').get,
+    fs = require('fs'),
+    path = require('path'),
+
+    // MDN base URLS
+    baseURLs = [
+        'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects',
+        'https://developer.mozilla.org/en-US/docs/Web/API'
+    ],
+
+    done = 0,
+    output = 'module.exports = ',
+
+    // Final data object
+    data = {};
+
+baseURLs.forEach(function (u) {
+    get(u + '$children', function (res) {
+        var text = '';
+
+        res.on('data', function(d) {
+            text += d;
+        });
+
+        res.on('end', function () {
+            var vars = JSON.parse(text);
+
+            data[u] = vars.subpages.reduce(function (d, c) {
+                // Only get classes for now, though methods/functions might be useful for
+                // crosslinking
+                if (!~c.title.indexOf('()') && !~c.title.indexOf(' ')) {
+                    d[c.title] = c.slug.slice(c.slug.lastIndexOf('/'));
+                }
+                return d;
+            }, {});
+
+            if (++done === baseURLs.length) {
+                write();
+            }
+        });
+    });
+});
+
+function write () {
+    fs.writeFileSync(
+        path.join(__dirname, '../lib/mdn.js'),
+        output + JSON.stringify(data, null, 4) + ';'
+    );
+}