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author | uvok cheetah | 2019-05-14 21:20:17 +0200 |
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committer | uvok cheetah | 2019-05-14 21:20:17 +0200 |
commit | 92411ecbd9f0cbcec5620de2efbefade7254afca (patch) | |
tree | 807f42473fd484ff9434753ac04f70b609624678 /js/html5shiv.js |
Initial commit
Diffstat (limited to 'js/html5shiv.js')
-rw-r--r-- | js/html5shiv.js | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/js/html5shiv.js b/js/html5shiv.js new file mode 100644 index 0000000..77dace4 --- /dev/null +++ b/js/html5shiv.js @@ -0,0 +1,322 @@ +/** +* @preserve HTML5 Shiv 3.7.2 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed +*/ +;(function(window, document) { +/*jshint evil:true */ + /** version */ + var version = '3.7.2'; + + /** 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} 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); + +}(this, document)); |