/** * @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 = ''; //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'; 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+~])(' + getElements().join('|') + ')(?=[[\\s,>+~#.:]|$)', 'gi'), replacement = '$1' + shivNamespace + '\\:$2'; while (index--) { pair = parts[index] = parts[index].split('}'); pair[pair.length - 1] = pair[pair.length - 1].replace(reElements, replacement); parts[index] = pair.join('}'); } return parts.join('{'); } /** * Removes the given wrappers, leaving the original elements. * @private * @params {Array} wrappers An array of printable wrappers. */ function removeWrappers(wrappers) { var index = wrappers.length; while (index--) { wrappers[index].removeNode(); } } /*--------------------------------------------------------------------------*/ /** * Shivs the given document for print. * @memberOf html5 * @param {Document} ownerDocument The document to shiv. * @returns {Document} The shived document. */ function shivPrint(ownerDocument) { var shivedSheet, wrappers, data = getExpandoData(ownerDocument), namespaces = ownerDocument.namespaces, ownerWindow = ownerDocument.parentWindow; if (!supportsShivableSheets || ownerDocument.printShived) { return ownerDocument; } if (typeof namespaces[shivNamespace] == 'undefined') { namespaces.add(shivNamespace); } function removeSheet() { clearTimeout(data._removeSheetTimer); if (shivedSheet) { shivedSheet.removeNode(true); } shivedSheet= null; } ownerWindow.attachEvent('onbeforeprint', function() { removeSheet(); var imports, length, sheet, collection = ownerDocument.styleSheets, cssText = [], index = collection.length, sheets = Array(index); // convert styleSheets collection to an array while (index--) { sheets[index] = collection[index]; } // concat all style sheet CSS text while ((sheet = sheets.pop())) { // IE does not enforce a same origin policy for external style sheets... // but has trouble with some dynamically created stylesheets if (!sheet.disabled && reMedia.test(sheet.media)) { try { imports = sheet.imports; length = imports.length; } catch(er){ length = 0; } for (index = 0; index < length; index++) { sheets.push(imports[index]); } try { cssText.push(sheet.cssText); } catch(er){} } } // wrap all HTML5 elements with printable elements and add the shived style sheet cssText = shivCssText(cssText.reverse().join('')); wrappers = addWrappers(ownerDocument); shivedSheet = addStyleSheet(ownerDocument, cssText); }); ownerWindow.attachEvent('onafterprint', function() { // remove wrappers, leaving the original elements, and remove the shived style sheet removeWrappers(wrappers); clearTimeout(data._removeSheetTimer); data._removeSheetTimer = setTimeout(removeSheet, 500); }); ownerDocument.printShived = true; return ownerDocument; } /*--------------------------------------------------------------------------*/ // expose API html5.type += ' print'; html5.shivPrint = shivPrint; // shiv for print shivPrint(document); if(typeof module == 'object' && module.exports){ module.exports = html5; } }(typeof window !== "undefined" ? window : this, document));