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Path: /app/wp-content/plugins/mesmerize-companion/theme-data/mesmerize/assets/js/libs/ [ Home ]
File: modernizr.js
/*!
 * modernizr v3.3.1
 * Build https://modernizr.com/download?-setclasses-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 `<html>` element. This
 * information allows you to progressively enhance your pages with a granular level
 * of control over the experience.
*/

;(function (window, document, undefined) {
    var tests = [];


    /**
     *
     * ModernizrProto is the constructor for Modernizr
     *
     * @class
     * @access public
     */

    var ModernizrProto = {
        // The current version, dummy
        _version: '3.3.1',

        // 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();


    var classes = [];


    /**
     * 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;
            }
        }

    }

    ;

    // Run each test
    testRunner();

    // Remove the "no-js" class if it exists
    setClasses(classes);

    // delete ModernizrProto.addTest;
    // delete ModernizrProto.addAsyncTest;

    // Run the things that are supposed to run after the tests
    for (var i = 0; i < Modernizr._q.length; i++) {
        Modernizr._q[i]();
    }

    // Leak Modernizr namespace
    window.Modernizr = Modernizr;


    ;

})(window, document);