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bower_components/matchMedia/matchMedia.js

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+/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas, David Knight. MIT license */
+
+window.matchMedia || (window.matchMedia = function() {
+    "use strict";
+
+    // For browsers that support matchMedium api such as IE 9 and webkit
+    var styleMedia = (window.styleMedia || window.media);
+
+    // For those that don't support matchMedium
+    if (!styleMedia) {
+        var style       = document.createElement('style'),
+            script      = document.getElementsByTagName('script')[0],
+            info        = null;
+
+        style.type  = 'text/css';
+        style.id    = 'matchmediajs-test';
+
+        if (!script) {
+          document.head.appendChild(style);
+        } else {
+          script.parentNode.insertBefore(style, script);
+        }
+
+        // 'style.currentStyle' is used by IE <= 8 and 'window.getComputedStyle' for all other browsers
+        info = ('getComputedStyle' in window) && window.getComputedStyle(style, null) || style.currentStyle;
+
+        styleMedia = {
+            matchMedium: function(media) {
+                var text = '@media ' + media + '{ #matchmediajs-test { width: 1px; } }';
+
+                // 'style.styleSheet' is used by IE <= 8 and 'style.textContent' for all other browsers
+                if (style.styleSheet) {
+                    style.styleSheet.cssText = text;
+                } else {
+                    style.textContent = text;
+                }
+
+                // Test if media query is true or false
+                return info.width === '1px';
+            }
+        };
+    }
+
+    return function(media) {
+        return {
+            matches: styleMedia.matchMedium(media || 'all'),
+            media: media || 'all'
+        };
+    };
+}());