move emby-webcomponents to components and reflect paths

src/components/require/requirecss.js

@@ -0,0 +1,75 @@
+define(function () {
+    'use strict';
+
+    var requireCss = {};
+
+    requireCss.normalize = function (name, normalize) {
+        if (name.substr(name.length - 4, 4) === '.css') {
+            name = name.substr(0, name.length - 4);
+        }
+
+        return normalize(name);
+    };
+
+    var importedCss = [];
+
+    function isLoaded(url) {
+        return importedCss.indexOf(url) !== -1;
+    }
+
+    function removeFromLoadHistory(url) {
+
+        url = url.toLowerCase();
+
+        importedCss = importedCss.filter(function (c) {
+            return url.indexOf(c.toLowerCase()) === -1;
+        });
+    }
+
+    requireCss.load = function (cssId, req, load, config) {
+
+        // Somehow if the url starts with /css, require will get all screwed up since this extension is also called css
+        var srch = 'components/require/requirecss';
+        var index = cssId.indexOf(srch);
+
+        if (index !== -1) {
+            cssId = 'css' + cssId.substring(index + srch.length);
+        }
+
+        var url = cssId + '.css';
+
+        if (url.indexOf('://') === -1) {
+            url = config.baseUrl + url;
+        }
+
+        if (!isLoaded(url)) {
+            importedCss.push(url);
+
+            var link = document.createElement('link');
+
+            link.setAttribute('rel', 'stylesheet');
+            link.setAttribute('type', 'text/css');
+            link.onload = load;
+
+            var linkUrl = url;
+
+            if (config.urlArgs) {
+                linkUrl += config.urlArgs(cssId, url);
+            }
+            link.setAttribute('href', linkUrl);
+            document.head.appendChild(link);
+        } else {
+            load();
+        }
+    };
+
+    window.requireCss = {
+        removeStylesheet: function (stylesheet) {
+
+            stylesheet.parentNode.removeChild(stylesheet);
+            removeFromLoadHistory(stylesheet.href);
+        }
+    };
+
+    return requireCss;
+});