326 lines
10 KiB
JavaScript
326 lines
10 KiB
JavaScript
|
/**
|
||
|
|
* @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));
|