/*! * modernizr v3.6.0 * Build https://modernizr.com/download?-prefixes-setclasses-shiv-teststyles-dontmin * * Copyright (c) * Faruk Ates * Paul Irish * Alex Sexton * Ryan Seddon * Patrick Kettner * Stu Cox * Richard Herrera * MIT License */ /* * Modernizr tests which native CSS3 and HTML5 features are available in the * current UA and makes the results available to you in two ways: as properties on * a global `Modernizr` object, and as classes on the `` element. This * information allows you to progressively enhance your pages with a granular level * of control over the experience. */ ;(function(window, document, undefined){ var classes = []; var tests = []; /** * * ModernizrProto is the constructor for Modernizr * * @class * @access public */ var ModernizrProto = { // The current version, dummy _version: '3.6.0', // Any settings that don't work as separate modules // can go in here as configuration. _config: { 'classPrefix': '', 'enableClasses': true, 'enableJSClass': true, 'usePrefixes': true }, // Queue of tests _q: [], // Stub these for people who are listening on: function(test, cb) { // I don't really think people should do this, but we can // safe guard it a bit. // -- NOTE:: this gets WAY overridden in src/addTest for actual async tests. // This is in case people listen to synchronous tests. I would leave it out, // but the code to *disallow* sync tests in the real version of this // function is actually larger than this. var self = this; setTimeout(function() { cb(self[test]); }, 0); }, addTest: function(name, fn, options) { tests.push({name: name, fn: fn, options: options}); }, addAsyncTest: function(fn) { tests.push({name: null, fn: fn}); } }; // Fake some of Object.create so we can force non test results to be non "own" properties. var Modernizr = function() {}; Modernizr.prototype = ModernizrProto; // Leak modernizr globally when you `require` it rather than force it here. // Overwrite name so constructor name is nicer :D Modernizr = new Modernizr(); /** * List of property values to set for css tests. See ticket #21 * http://git.io/vUGl4 * * @memberof Modernizr * @name Modernizr._prefixes * @optionName Modernizr._prefixes * @optionProp prefixes * @access public * @example * * Modernizr._prefixes is the internal list of prefixes that we test against * inside of things like [prefixed](#modernizr-prefixed) and [prefixedCSS](#-code-modernizr-prefixedcss). It is simply * an array of kebab-case vendor prefixes you can use within your code. * * Some common use cases include * * Generating all possible prefixed version of a CSS property * ```js * var rule = Modernizr._prefixes.join('transform: rotate(20deg); '); * * rule === 'transform: rotate(20deg); webkit-transform: rotate(20deg); moz-transform: rotate(20deg); o-transform: rotate(20deg); ms-transform: rotate(20deg);' * ``` * * Generating all possible prefixed version of a CSS value * ```js * rule = 'display:' + Modernizr._prefixes.join('flex; display:') + 'flex'; * * rule === 'display:flex; display:-webkit-flex; display:-moz-flex; display:-o-flex; display:-ms-flex; display:flex' * ``` */ // we use ['',''] rather than an empty array in order to allow a pattern of .`join()`ing prefixes to test // values in feature detects to continue to work var prefixes = (ModernizrProto._config.usePrefixes ? ' -webkit- -moz- -o- -ms- '.split(' ') : ['','']); // expose these for the plugin API. Look in the source for how to join() them against your input ModernizrProto._prefixes = prefixes; /** * is returns a boolean if the typeof an obj is exactly type. * * @access private * @function is * @param {*} obj - A thing we want to check the type of * @param {string} type - A string to compare the typeof against * @returns {boolean} */ function is(obj, type) { return typeof obj === type; } ; /** * Run through all tests and detect their support in the current UA. * * @access private */ function testRunner() { var featureNames; var feature; var aliasIdx; var result; var nameIdx; var featureName; var featureNameSplit; for (var featureIdx in tests) { if (tests.hasOwnProperty(featureIdx)) { featureNames = []; feature = tests[featureIdx]; // run the test, throw the return value into the Modernizr, // then based on that boolean, define an appropriate className // and push it into an array of classes we'll join later. // // If there is no name, it's an 'async' test that is run, // but not directly added to the object. That should // be done with a post-run addTest call. if (feature.name) { featureNames.push(feature.name.toLowerCase()); if (feature.options && feature.options.aliases && feature.options.aliases.length) { // Add all the aliases into the names list for (aliasIdx = 0; aliasIdx < feature.options.aliases.length; aliasIdx++) { featureNames.push(feature.options.aliases[aliasIdx].toLowerCase()); } } } // Run the test, or use the raw value if it's not a function result = is(feature.fn, 'function') ? feature.fn() : feature.fn; // Set each of the names on the Modernizr object for (nameIdx = 0; nameIdx < featureNames.length; nameIdx++) { featureName = featureNames[nameIdx]; // Support dot properties as sub tests. We don't do checking to make sure // that the implied parent tests have been added. You must call them in // order (either in the test, or make the parent test a dependency). // // Cap it to TWO to make the logic simple and because who needs that kind of subtesting // hashtag famous last words featureNameSplit = featureName.split('.'); if (featureNameSplit.length === 1) { Modernizr[featureNameSplit[0]] = result; } else { // cast to a Boolean, if not one already if (Modernizr[featureNameSplit[0]] && !(Modernizr[featureNameSplit[0]] instanceof Boolean)) { Modernizr[featureNameSplit[0]] = new Boolean(Modernizr[featureNameSplit[0]]); } Modernizr[featureNameSplit[0]][featureNameSplit[1]] = result; } classes.push((result ? '' : 'no-') + featureNameSplit.join('-')); } } } } ; /** * docElement is a convenience wrapper to grab the root element of the document * * @access private * @returns {HTMLElement|SVGElement} The root element of the document */ var docElement = document.documentElement; /** * A convenience helper to check if the document we are running in is an SVG document * * @access private * @returns {boolean} */ var isSVG = docElement.nodeName.toLowerCase() === 'svg'; /** * setClasses takes an array of class names and adds them to the root element * * @access private * @function setClasses * @param {string[]} classes - Array of class names */ // Pass in an and array of class names, e.g.: // ['no-webp', 'borderradius', ...] function setClasses(classes) { var className = docElement.className; var classPrefix = Modernizr._config.classPrefix || ''; if (isSVG) { className = className.baseVal; } // Change `no-js` to `js` (independently of the `enableClasses` option) // Handle classPrefix on this too if (Modernizr._config.enableJSClass) { var reJS = new RegExp('(^|\\s)' + classPrefix + 'no-js(\\s|$)'); className = className.replace(reJS, '$1' + classPrefix + 'js$2'); } if (Modernizr._config.enableClasses) { // Add the new classes className += ' ' + classPrefix + classes.join(' ' + classPrefix); if (isSVG) { docElement.className.baseVal = className; } else { docElement.className = className; } } } ; /** * @optionName html5shiv * @optionProp html5shiv */ // Take the html5 variable out of the html5shiv scope so we can return it. var html5; if (!isSVG) { /** * @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed */ ;(function(window, document) { /** version */ var version = '3.7.3'; /** Preset options */ var options = window.html5 || {}; /** Used to skip problem elements */ var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/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|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