Issue 6104 - Minified code in help center repository

src/js/vendor/html5shiv.js

+/*!
+* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+;(function(window, document) {
+  /*jshint evil:true */
+    /** version */
+    var version = '3.7.3';
+  
+    /** Preset options */
+    var options = window.html5 || {};
+  
+    /** Used to skip problem elements */
+    var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
+  
+    /** Not all elements can be cloned in IE **/
+    var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
+  
+    /** Detect whether the browser supports default html5 styles */
+    var supportsHtml5Styles;
+  
+    /** Name of the expando, to work with multiple documents or to re-shiv one document */
+    var expando = '_html5shiv';
+  
+    /** The id for the the documents expando */
+    var expanID = 0;
+  
+    /** Cached data for each document */
+    var expandoData = {};
+  
+    /** Detect whether the browser supports unknown elements */
+    var supportsUnknownElements;
+  
+    (function() {
+      try {
+          var a = document.createElement('a');
+          a.innerHTML = '<xyz></xyz>';
+          //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
+          supportsHtml5Styles = ('hidden' in a);
+  
+          supportsUnknownElements = a.childNodes.length == 1 || (function() {
+            // assign a false positive if unable to shiv
+            (document.createElement)('a');
+            var frag = document.createDocumentFragment();
+            return (
+              typeof frag.cloneNode == 'undefined' ||
+              typeof frag.createDocumentFragment == 'undefined' ||
+              typeof frag.createElement == 'undefined'
+            );
+          }());
+      } catch(e) {
+        // assign a false positive if detection fails => unable to shiv
+        supportsHtml5Styles = true;
+        supportsUnknownElements = true;
+      }
+  
+    }());
+  
+    /*--------------------------------------------------------------------------*/
+  
+    /**
+     * Creates a style sheet with the given CSS text and adds it to the document.
+     * @private
+     * @param {Document} ownerDocument The document.
+     * @param {String} cssText The CSS text.
+     * @returns {StyleSheet} The style element.
+     */
+    function addStyleSheet(ownerDocument, cssText) {
+      var p = ownerDocument.createElement('p'),
+          parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
+  
+      p.innerHTML = 'x<style>' + cssText + '</style>';
+      return parent.insertBefore(p.lastChild, parent.firstChild);
+    }
+  
+    /**
+     * Returns the value of `html5.elements` as an array.
+     * @private
+     * @returns {Array} An array of shived element node names.
+     */
+    function getElements() {
+      var elements = html5.elements;
+      return typeof elements == 'string' ? elements.split(' ') : elements;
+    }
+  
+    /**
+     * Extends the built-in list of html5 elements
+     * @memberOf html5
+     * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
+     * @param {Document} ownerDocument The context document.
+     */
+    function addElements(newElements, ownerDocument) {
+      var elements = html5.elements;
+      if(typeof elements != 'string'){
+        elements = elements.join(' ');
+      }
+      if(typeof newElements != 'string'){
+        newElements = newElements.join(' ');
+      }
+      html5.elements = elements +' '+ newElements;
+      shivDocument(ownerDocument);
+    }
+  
+     /**
+     * Returns the data associated to the given document
+     * @private
+     * @param {Document} ownerDocument The document.
+     * @returns {Object} An object of data.
+     */
+    function getExpandoData(ownerDocument) {
+      var data = expandoData[ownerDocument[expando]];
+      if (!data) {
+          data = {};
+          expanID++;
+          ownerDocument[expando] = expanID;
+          expandoData[expanID] = data;
+      }
+      return data;
+    }
+  
+    /**
+     * returns a shived element for the given nodeName and document
+     * @memberOf html5
+     * @param {String} nodeName name of the element
+     * @param {Document|DocumentFragment} ownerDocument The context document.
+     * @returns {Object} The shived element.
+     */
+    function createElement(nodeName, ownerDocument, data){
+      if (!ownerDocument) {
+          ownerDocument = document;
+      }
+      if(supportsUnknownElements){
+          return ownerDocument.createElement(nodeName);
+      }
+      if (!data) {
+          data = getExpandoData(ownerDocument);
+      }
+      var node;
+  
+      if (data.cache[nodeName]) {
+          node = data.cache[nodeName].cloneNode();
+      } else if (saveClones.test(nodeName)) {
+          node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
+      } else {
+          node = data.createElem(nodeName);
+      }
+  
+      // Avoid adding some elements to fragments in IE < 9 because
+      // * Attributes like `name` or `type` cannot be set/changed once an element
+      //   is inserted into a document/fragment
+      // * Link elements with `src` attributes that are inaccessible, as with
+      //   a 403 response, will cause the tab/window to crash
+      // * Script elements appended to fragments will execute when their `src`
+      //   or `text` property is set
+      return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
+    }
+  
+    /**
+     * returns a shived DocumentFragment for the given document
+     * @memberOf html5
+     * @param {Document} ownerDocument The context document.
+     * @returns {Object} The shived DocumentFragment.
+     */
+    function createDocumentFragment(ownerDocument, data){
+      if (!ownerDocument) {
+          ownerDocument = document;
+      }
+      if(supportsUnknownElements){
+          return ownerDocument.createDocumentFragment();
+      }
+      data = data || getExpandoData(ownerDocument);
+      var clone = data.frag.cloneNode(),
+          i = 0,
+          elems = getElements(),
+          l = elems.length;
+      for(;i<l;i++){
+          clone.createElement(elems[i]);
+      }
+      return clone;
+    }
+  
+    /**
+     * Shivs the `createElement` and `createDocumentFragment` methods of the document.
+     * @private
+     * @param {Document|DocumentFragment} ownerDocument The document.
+     * @param {Object} data of the document.
+     */
+    function shivMethods(ownerDocument, data) {
+      if (!data.cache) {
+          data.cache = {};
+          data.createElem = ownerDocument.createElement;
+          data.createFrag = ownerDocument.createDocumentFragment;
+          data.frag = data.createFrag();
+      }
+  
+  
+      ownerDocument.createElement = function(nodeName) {
+        //abort shiv
+        if (!html5.shivMethods) {
+            return data.createElem(nodeName);
+        }
+        return createElement(nodeName, ownerDocument, data);
+      };
+  
+      ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
+        'var n=f.cloneNode(),c=n.createElement;' +
+        'h.shivMethods&&(' +
+          // unroll the `createElement` calls
+          getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
+            data.createElem(nodeName);
+            data.frag.createElement(nodeName);
+            return 'c("' + nodeName + '")';
+          }) +
+        ');return n}'
+      )(html5, data.frag);
+    }
+  
+    /*--------------------------------------------------------------------------*/
+  
+    /**
+     * Shivs the given document.
+     * @memberOf html5
+     * @param {Document} ownerDocument The document to shiv.
+     * @returns {Document} The shived document.
+     */
+    function shivDocument(ownerDocument) {
+      if (!ownerDocument) {
+          ownerDocument = document;
+      }
+      var data = getExpandoData(ownerDocument);
+  
+      if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
+        data.hasCSS = !!addStyleSheet(ownerDocument,
+          // corrects block display not defined in IE6/7/8/9
+          'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
+          // adds styling not present in IE6/7/8/9
+          'mark{background:#FF0;color:#000}' +
+          // hides non-rendered elements
+          'template{display:none}'
+        );
+      }
+      if (!supportsUnknownElements) {
+        shivMethods(ownerDocument, data);
+      }
+      return ownerDocument;
+    }
+  
+    /*--------------------------------------------------------------------------*/
+  
+    /**
+     * The `html5` object is exposed so that more elements can be shived and
+     * existing shiving can be detected on iframes.
+     * @type Object
+     * @example
+     *
+     * // options can be changed before the script is included
+     * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
+     */
+    var html5 = {
+  
+      /**
+       * An array or space separated string of node names of the elements to shiv.
+       * @memberOf html5
+       * @type Array|String
+       */
+      'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
+  
+      /**
+       * current version of html5shiv
+       */
+      'version': version,
+  
+      /**
+       * A flag to indicate that the HTML5 style sheet should be inserted.
+       * @memberOf html5
+       * @type Boolean
+       */
+      'shivCSS': (options.shivCSS !== false),
+  
+      /**
+       * Is equal to true if a browser supports creating unknown/HTML5 elements
+       * @memberOf html5
+       * @type boolean
+       */
+      'supportsUnknownElements': supportsUnknownElements,
+  
+      /**
+       * A flag to indicate that the document's `createElement` and `createDocumentFragment`
+       * methods should be overwritten.
+       * @memberOf html5
+       * @type Boolean
+       */
+      'shivMethods': (options.shivMethods !== false),
+  
+      /**
+       * A string to describe the type of `html5` object ("default" or "default print").
+       * @memberOf html5
+       * @type String
+       */
+      'type': 'default',
+  
+      // shivs the document according to the specified `html5` object options
+      'shivDocument': shivDocument,
+  
+      //creates a shived element
+      createElement: createElement,
+  
+      //creates a shived documentFragment
+      createDocumentFragment: createDocumentFragment,
+  
+      //extends list of elements
+      addElements: addElements
+    };
+  
+    /*--------------------------------------------------------------------------*/
+  
+    // expose html5
+    window.html5 = html5;
+  
+    // shiv the document
+    shivDocument(document);
+  
+    if(typeof module == 'object' && module.exports){
+      module.exports = html5;
+    }
+  
+  }(typeof window !== "undefined" ? window : this, document));
+