Import and adapt gitbook-html

Refactor to remove lodash and q as dependencies

8 files changed, 328 insertions, 266 deletions

diff --git a/packages/gitbook-html/lib/dom.js b/packages/gitbook-html/lib/dom.js
index 819ced0..96d370e 100644
--- a/packages/gitbook-html/lib/dom.js
+++ b/packages/gitbook-html/lib/dom.js
@@ -1,52 +1,49 @@
-var _ = require('lodash');
+'use strict';
+
 var cheerio = require('cheerio');
 
 /**
-    Parse an HTML string and return its content
-
-    @param {String}
-    @return {cheerio.DOM}
-*/
+ * Parse an HTML string and return its content.
+ * @param {String}
+ * @return {cheerio.DOM}
+ */
 function parse(html) {
     var $ = cheerio.load(html);
     var $el = $('html, body').first();
 
-    return $el.length > 0? $el : $;
+    return $el.length > 0 ? $el : $;
 }
 
 /**
-    Return main element for a DOM
-
-    @param {cheerio.DOM}
-    @return {cheerio.Node}
-*/
+ * Return main element for a DOM.
+ * @param {cheerio.DOM}
+ * @return {cheerio.Node}
+ */
 function root($) {
     var $el = $('html, body, > div').first();
-    return $el.length > 0? $el : $.root();
+    return $el.length > 0 ? $el : $.root();
 }
 
 /**
-    Return text node of an element
-
-    @param {cheerio.Node}
-    @return {String}
-*/
+ * Return text node of an element.
+ * @param {cheerio.Node}
+ * @return {String}
+ */
 function textNode($el) {
-    return _.reduce($el.children, function(text, e) {
+    return $el.children.reduce(function (text, e) {
         if (e.type == 'text') text += e.data;
         return text;
     }, '');
 }
 
 /**
-    Cleanup a DOM by removing all useless divs
-
-    @param {cheerio.Node}
-    @param {cheerio.DOM}
-    @return {cheerio.Node}
-*/
+ * Cleanup a DOM by removing all useless divs.
+ * @param {cheerio.Node}
+ * @param {cheerio.DOM}
+ * @return {cheerio.Node}
+ */
 function cleanup($el, $) {
-    $el.find('div').each(function() {
+    $el.find('div').each(function () {
         var $div = $(this);
         cleanup($div, $);
 
@@ -62,3 +59,4 @@ module.exports = {
     root: root,
     cleanup: cleanup
 };
+//# sourceMappingURL=dom.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/glossary.js b/packages/gitbook-html/lib/glossary.js
index 26787ab..c8c5bf5 100755
--- a/packages/gitbook-html/lib/glossary.js
+++ b/packages/gitbook-html/lib/glossary.js
@@ -1,21 +1,22 @@
-var _ = require('lodash');
+'use strict';
+
 var dom = require('./dom');
 
 /**
-    Parse an HTML content into a list of glossary entry
-
-    @param {String} html
-    @return {Array}
-*/
+ * Parse an HTML content into a list of glossary entry.
+ *
+ * @param {String} html
+ * @return {Array} entries
+ */
 function parseGlossary(html) {
     var $ = dom.parse(html);
 
     var entries = [];
 
-    $('h2').each(function() {
+    $('h2').each(function () {
         var $heading = $(this);
-        var $next = $heading.next()
-        var $p =  $next.is('p')? $next.first() : $next.find('p').first();
+        var $next = $heading.next();
+        var $p = $next.is('p') ? $next.first() : $next.find('p').first();
 
         var entry = {};
 
@@ -29,3 +30,4 @@ function parseGlossary(html) {
 }
 
 module.exports = parseGlossary;
+//# sourceMappingURL=glossary.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/index.js b/packages/gitbook-html/lib/index.js
index 2658914..b6fa18c 100755
--- a/packages/gitbook-html/lib/index.js
+++ b/packages/gitbook-html/lib/index.js
@@ -1,4 +1,5 @@
-var _ = require('lodash');
+'use strict';
+
 var ToText = require('./totext');
 
 var htmlParser = {
@@ -11,22 +12,26 @@ var htmlParser = {
 
 // Compose a function with a transform function for the first argument only
 function compose(toHTML, fn) {
-    return function() {
-        var args = _.toArray(arguments);
-        args[0] = toHTML(args[0]);
+    return function () {
+        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+            args[_key] = arguments[_key];
+        }
 
-        return fn.apply(null, args);
-    }
+        args[0] = toHTML(args[0]);
+        return fn.apply(undefined, args);
+    };
 }
 
-// Create a GitBook parser from an HTML converter
-function createParser(toHTML, toText) {
-    if (_.isFunction(toHTML)) {
-        toHTML = {
-            inline: toHTML,
-            block: toHTML
-        };
-    }
+/**
+ * Create a GitBook parser from an HTML converter.
+ * @param  {Object} toHTML
+ *         {Function} [toHTML.inline]
+ *         {Function} [toHTML.block]
+ * @param  {Object} toText
+ * @return {[type]}        [description]
+ */
+function createParser(toHTML) {
+    var toText = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
     var parser = {
         summary: compose(toHTML.block, htmlParser.summary),
@@ -38,12 +43,27 @@ function createParser(toHTML, toText) {
     };
 
     var _toText = new ToText(toText);
-    parser.summary.toText =_toText.summary;
-    parser.langs.toText =_toText.langs;
-    parser.glossary.toText =_toText.glossary;
+
+    parser.summary.toText = function (summary) {
+        return _toText.summary(summary);
+    };
+    parser.langs.toText = function (langs) {
+        return _toText.langs(langs);
+    };
+    parser.glossary.toText = function (glossary) {
+        return _toText.glossary(glossary);
+    };
 
     return parser;
 }
 
-module.exports = createParser(_.identity);
+module.exports = createParser({
+    block: function block(html) {
+        return html;
+    },
+    inline: function inline(html) {
+        return html;
+    }
+});
 module.exports.createParser = createParser;
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/langs.js b/packages/gitbook-html/lib/langs.js
index a06d3ee..f799b50 100755
--- a/packages/gitbook-html/lib/langs.js
+++ b/packages/gitbook-html/lib/langs.js
@@ -1,12 +1,12 @@
-var _ = require('lodash');
+'use strict';
+
 var parseSummary = require('./summary');
 
 /**
-    Parse an HTML content into a list of language
-
-    @param {String} html
-    @return {Array}
-*/
+ * Parse an HTML content into a list of language.
+ * @param {String} html
+ * @return {Array}
+ */
 function parseLangs(content) {
     var parts = parseSummary(content).parts;
     if (parts.length > 0) {
@@ -17,4 +17,4 @@ function parseLangs(content) {
 }
 
 module.exports = parseLangs;
-
+//# sourceMappingURL=langs.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/page.js b/packages/gitbook-html/lib/page.js
index 56d8984..25fd637 100755
--- a/packages/gitbook-html/lib/page.js
+++ b/packages/gitbook-html/lib/page.js
@@ -1,12 +1,10 @@
-var Q = require('q');
-var _ = require('lodash');
+"use strict";
 
 /**
-    Parse content of a page
-
-    @param {String} html
-    @return {Object}
-*/
+ * Parse content of a page.
+ * @param {String} html
+ * @return {Object}
+ */
 function parsePage(html) {
     return {
         content: html
@@ -14,3 +12,4 @@ function parsePage(html) {
 }
 
 module.exports = parsePage;
+//# sourceMappingURL=page.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/readme.js b/packages/gitbook-html/lib/readme.js
index 34e447e..771b525 100755
--- a/packages/gitbook-html/lib/readme.js
+++ b/packages/gitbook-html/lib/readme.js
@@ -1,12 +1,13 @@
-var _ = require('lodash');
+'use strict';
+
 var dom = require('./dom');
 
 /**
-    Parse an HTML content into metadata about a readme
-
-    @param {String} html
-    @return {Object}
-*/
+ * Parse an HTML content into metadata about a readme
+ *
+ * @param {String} html
+ * @return {Object}
+ */
 function parseReadme(html) {
     var $ = dom.parse(html);
 
@@ -16,6 +17,5 @@ function parseReadme(html) {
     };
 }
 
-
-// Exports
 module.exports = parseReadme;
+//# sourceMappingURL=readme.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/summary.js b/packages/gitbook-html/lib/summary.js
index 4b263c9..a7d05a3 100755
--- a/packages/gitbook-html/lib/summary.js
+++ b/packages/gitbook-html/lib/summary.js
@@ -1,18 +1,16 @@
-var _ = require('lodash');
+'use strict';
+
 var dom = require('./dom');
 
 var SELECTOR_LIST = 'ol, ul';
 var SELECTOR_LINK = '> a, p > a';
 var SELECTOR_PART = 'h2, h3, h4';
 
-var BL = '\n';
-
 /**
-    Find a list
-
-    @param {cheerio.Node}
-    @return {cheerio.Node}
-*/
+ * Find a list.
+ * @param {cheerio.Node}
+ * @return {cheerio.Node}
+ */
 function findList($parent) {
     var $container = $parent.children('.olist');
     if ($container.length > 0) $parent = $container.first();
@@ -21,22 +19,21 @@ function findList($parent) {
 }
 
 /**
-    Parse a ul list and return list of chapters recursvely
-
-    @param {cheerio.Node}
-    @param {cheerio.DOM}
-    @return {Array}
-*/
+ * Parse a ul list and return list of chapters recursvely.
+ * @param {cheerio.Node}
+ * @param {cheerio.DOM}
+ * @return {Array}
+ */
 function parseList($ul, $) {
     var articles = [];
 
-    $ul.children('li').each(function() {
+    $ul.children('li').each(function () {
         var article = {};
         var $li = $(this);
 
         // Get text for the entry
         var $p = $li.children('p');
-        article.title = ($p.text() ||  dom.textNode($li.get(0))).trim();
+        article.title = ($p.text() || dom.textNode($li.get(0))).trim();
 
         // Parse link
         var $a = $li.find(SELECTOR_LINK);
@@ -57,11 +54,10 @@ function parseList($ul, $) {
 }
 
 /**
-     Find all parts and their corresponding lists
-
-     @param {cheerio.Node}
-     @param {cheerio.DOM}
-     @return {Array<{title: String, list: cheerio.Node}>}
+ * Find all parts and their corresponding lists.
+ * @param {cheerio.Node}
+ * @param {cheerio.DOM}
+ * @return {Array<{title: String, list: cheerio.Node}>}
  */
 function findParts($parent, $) {
     // Find parts and lists
@@ -82,8 +78,8 @@ function findParts($parent, $) {
                 title: getPartTitle(el, $),
                 list: null
             };
-
-        } else { // It is a list
+        } else {
+            // It is a list
             if (previousPart !== null) {
                 previousPart.list = el;
             } else {
@@ -106,32 +102,29 @@ function findParts($parent, $) {
 }
 
 /**
-    True if the element is a part
-
-    @param el
-    @return {Boolean}
- */
+ * True if the element is a part.
+ * @param el
+ * @return {Boolean}
+  */
 function isPartNode(el) {
     return SELECTOR_PART.indexOf(el.name) !== -1;
 }
 
 /**
-    Parse the title of a part element
-
-    @param el
-    @param {cheerio.DOM} $
-    @return {String}
+ * Parse the title of a part element.
+ * @param el
+ * @param {cheerio.DOM} $
+ * @return {String}
  */
 function getPartTitle(el, $) {
     return $(el).text().trim();
 }
 
 /**
-    Parse an HTML content into a tree of articles/parts
-
-    @param {String} html
-    @return {Object}
-*/
+ * Parse an HTML content into a tree of articles/parts.
+ * @param {String} html
+ * @return {Object}
+ */
 function parseSummary(html) {
     var $ = dom.parse(html);
     var $root = dom.cleanup(dom.root($), $);
@@ -140,7 +133,7 @@ function parseSummary(html) {
 
     // Parse each list
     var parsedParts = [];
-    var part;
+    var part = void 0;
     for (var i = 0; i < parts.length; ++i) {
         part = parts[i];
         parsedParts.push({
@@ -155,3 +148,4 @@ function parseSummary(html) {
 }
 
 module.exports = parseSummary;
+//# sourceMappingURL=summary.js.map
\ No newline at end of file
diff --git a/packages/gitbook-html/lib/totext.js b/packages/gitbook-html/lib/totext.js
index 368d62e..0baa48a 100644
--- a/packages/gitbook-html/lib/totext.js
+++ b/packages/gitbook-html/lib/totext.js
@@ -1,181 +1,230 @@
-var _ = require('lodash');
+'use strict';
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
 /*
     This class is extended by gitbook-markdown and gitbook-asciidoc
     to generate back markdown/asciidoc from GitBook metadata.
 */
 
+var ToText = function () {
+    function ToText(markup) {
+        _classCallCheck(this, ToText);
 
-function ToText(markup) {
-    if (!(this instanceof ToText)) {
-        return new ToText(markup);
+        Object.assign(this, markup);
     }
 
-    _.extend(this, markup || {});
-    _.bindAll(this, _.functionsIn(this));
-};
-
-// Break line
-ToText.prototype.onBL = function() {
-    return '\n';
-};
-
-ToText.prototype.onText = function(text) {
-    return text;
-};
-
-ToText.prototype.onHR = function() {
-    return '<hr />';
-};
-
-// ---- TITLES
-
-ToText.prototype.onTitleStart = function(level) {
-    return '<h'+level+'>';
-};
-ToText.prototype.onTitleEnd = function(level) {
-    return '</h'+level+'>';
-};
-
-// ---- PARAGRAPHS / SECTIONS
-ToText.prototype.onParagraphStart = function() {
-    return '<p>';
-};
-ToText.prototype.onParagraphEnd = function() {
-    return '</p>';
-};
-
-
-ToText.prototype.onSection = function() {
-    return this.onBL();
-};
-
-// ---- LINKS
-ToText.prototype.onLinkStart = function(href) {
-    return '<a href="' + href + '">';
-};
-ToText.prototype.onLinkEnd = function(href) {
-    return '</a>';
-};
-
-// ---- LISTS
-ToText.prototype.onListItemStart = function(level) {
-    return this._spaces((level + 1) * 4) + '<li>';
-};
-ToText.prototype.onListItemEnd = function(level) {
-    return this._spaces((level + 1) * 4) + '</li>' + this.onBL();
-};
-ToText.prototype.onListStart = function(level) {
-    return this._spaces(level * 4) + '<ul>' + this.onBL();
-};
-ToText.prototype.onListEnd = function(level) {
-    return this._spaces(level * 4) + '</ul>' + this.onBL();
-};
-
-// ------ LANGS
-
-ToText.prototype.langs = function(languages) {
-    var content = '';
-    content += this.onTitleStart(1) + this.onText('Languages') + this.onTitleEnd(1);
-    content += this.onSection();
-
-    content += this._summaryArticles(languages);
-
-    return content;
-};
-
-// ------ GLOSSARY
-
-ToText.prototype.glossary = function(glossary) {
-    var that = this;
-    var content = '';
-
-    content += that.onTitleStart(1) + that.onText('Glossary') + that.onTitleEnd(1);
-    content += that.onSection();
-
-    _.each(glossary, function(entry) {
-        content += that.onTitleStart(2) + that.onText(entry.name) + that.onTitleEnd(2);
-        content += that.onParagraphStart();
-        content += that.onText(entry.description);
-        content += that.onParagraphEnd();
-        content += that.onSection();
-    });
-
-    return content;
-};
-
-// ------ SUMMARY
-
-ToText.prototype._summaryArticle = function(article, level) {
-    var content = '';
-
-    content += this.onListItemStart(level);
-
-    if (article.ref) content += this.onLinkStart(article.ref)
-    content += this.onText(article.title)
-    if (article.ref) content += this.onLinkEnd(article.ref);
-    content += this.onBL();
-
-    if (article.articles && article.articles.length > 0) {
-        content += this._summaryArticles(article.articles, level + 1);
-    }
+    // Break line
 
-    content += this.onListItemEnd(level);
 
-    return content;
-};
-ToText.prototype._summaryArticles = function(articles, level) {
-    var that = this;
-    var content = '';
+    _createClass(ToText, [{
+        key: 'onBL',
+        value: function onBL() {
+            return '\n';
+        }
+    }, {
+        key: 'onText',
+        value: function onText(text) {
+            return text;
+        }
+    }, {
+        key: 'onHR',
+        value: function onHR() {
+            return '<hr />';
+        }
 
-    level = level || 0;
+        // ---- TITLES
 
-    content += that.onListStart(level);
-    _.each(articles, function(article) {
-        content += that._summaryArticle(article, level);
-    });
-    content += that.onListEnd(level);
+    }, {
+        key: 'onTitleStart',
+        value: function onTitleStart(level) {
+            return '<h' + level + '>';
+        }
+    }, {
+        key: 'onTitleEnd',
+        value: function onTitleEnd(level) {
+            return '</h' + level + '>';
+        }
 
-    return content;
-};
-ToText.prototype._summaryPart = function(part) {
-    var content = '';
+        // ---- PARAGRAPHS / SECTIONS
 
-    if (part.title) content += this.onTitleStart(2) + this.onText(part.title) + this.onTitleEnd(2);
+    }, {
+        key: 'onParagraphStart',
+        value: function onParagraphStart() {
+            return '<p>';
+        }
+    }, {
+        key: 'onParagraphEnd',
+        value: function onParagraphEnd() {
+            return '</p>';
+        }
+    }, {
+        key: 'onSection',
+        value: function onSection() {
+            return this.onBL();
+        }
 
-    content += this._summaryArticles(part.articles);
+        // ---- LINKS
 
-    return content;
-};
+    }, {
+        key: 'onLinkStart',
+        value: function onLinkStart(href) {
+            return '<a href="' + href + '">';
+        }
+    }, {
+        key: 'onLinkEnd',
+        value: function onLinkEnd(href) {
+            return '</a>';
+        }
 
-ToText.prototype.summary = function(summary) {
-    var that = this;
-    var content = '';
+        // ---- LISTS
 
-    content += that.onTitleStart(1) + that.onText('Summary') + that.onTitleEnd(1);
-    content += that.onSection();
+    }, {
+        key: 'onListItemStart',
+        value: function onListItemStart(level) {
+            return this._spaces((level + 1) * 4) + '<li>';
+        }
+    }, {
+        key: 'onListItemEnd',
+        value: function onListItemEnd(level) {
+            return this._spaces((level + 1) * 4) + '</li>' + this.onBL();
+        }
+    }, {
+        key: 'onListStart',
+        value: function onListStart(level) {
+            return this._spaces(level * 4) + '<ul>' + this.onBL();
+        }
+    }, {
+        key: 'onListEnd',
+        value: function onListEnd(level) {
+            return this._spaces(level * 4) + '</ul>' + this.onBL();
+        }
+
+        // ------ LANGS
 
-    _.each(summary.parts, function(part, i) {
-        var next = summary.parts[i + 1];
+    }, {
+        key: 'langs',
+        value: function langs(languages) {
+            var content = '';
+            content += this.onTitleStart(1) + this.onText('Languages') + this.onTitleEnd(1);
+            content += this.onSection();
 
-        content += that._summaryPart(part);
+            content += this._summaryArticles(languages);
 
-        if (next && !next.title) {
-            content += that.onBL() + that.onHR() + that.onBL();
-        } else {
-            content += that.onSection();
+            return content;
         }
 
-    });
+        // ------ GLOSSARY
 
-    return content;
-};
+    }, {
+        key: 'glossary',
+        value: function glossary(_glossary) {
+            var _this = this;
 
-// ---- Utilities
+            var content = '';
 
-ToText.prototype._spaces =  function(n, s) {
-    return Array(n + 1).join(s || ' ');
-}
+            content += this.onTitleStart(1) + this.onText('Glossary') + this.onTitleEnd(1);
+            content += this.onSection();
 
-module.exports = ToText;
+            _glossary.forEach(function (entry) {
+                content += _this.onTitleStart(2) + _this.onText(entry.name) + _this.onTitleEnd(2);
+                content += _this.onParagraphStart();
+                content += _this.onText(entry.description);
+                content += _this.onParagraphEnd();
+                content += _this.onSection();
+            });
+
+            return content;
+        }
+
+        // ------ SUMMARY
+
+    }, {
+        key: '_summaryArticle',
+        value: function _summaryArticle(article, level) {
+            var content = '';
+
+            content += this.onListItemStart(level);
+
+            if (article.ref) content += this.onLinkStart(article.ref);
+            content += this.onText(article.title);
+            if (article.ref) content += this.onLinkEnd(article.ref);
+            content += this.onBL();
 
+            if (article.articles && article.articles.length > 0) {
+                content += this._summaryArticles(article.articles, level + 1);
+            }
+
+            content += this.onListItemEnd(level);
+
+            return content;
+        }
+    }, {
+        key: '_summaryArticles',
+        value: function _summaryArticles(articles, level) {
+            var _this2 = this;
+
+            var content = '';
+
+            level = level || 0;
+
+            content += this.onListStart(level);
+            articles.forEach(function (article) {
+                content += _this2._summaryArticle(article, level);
+            });
+            content += this.onListEnd(level);
+
+            return content;
+        }
+    }, {
+        key: '_summaryPart',
+        value: function _summaryPart(part) {
+            var content = '';
+
+            if (part.title) content += this.onTitleStart(2) + this.onText(part.title) + this.onTitleEnd(2);
+
+            content += this._summaryArticles(part.articles);
+
+            return content;
+        }
+    }, {
+        key: 'summary',
+        value: function summary(_summary) {
+            var _this3 = this;
+
+            var content = '';
+
+            content += this.onTitleStart(1) + this.onText('Summary') + this.onTitleEnd(1);
+            content += this.onSection();
+
+            _summary.parts.forEach(function (part, i) {
+                var next = _summary.parts[i + 1];
+
+                content += _this3._summaryPart(part);
+
+                if (next && !next.title) {
+                    content += _this3.onBL() + _this3.onHR() + _this3.onBL();
+                } else {
+                    content += _this3.onSection();
+                }
+            });
+
+            return content;
+        }
+
+        // ---- Utilities
+
+    }, {
+        key: '_spaces',
+        value: function _spaces(n, s) {
+            return Array(n + 1).join(s || ' ');
+        }
+    }]);
+
+    return ToText;
+}();
+
+module.exports = ToText;
+//# sourceMappingURL=totext.js.map
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