Release

client/islets/core/y-next-tick/y-next-tick.js

@@ -0,0 +1,96 @@
+/**
+ * next-tick module
+ *
+ * Copyright (c) 2013 Filatov Dmitry (dfilatov@yandex-team.ru)
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * @version 1.0.1
+ */
+
+modules.define('y-next-tick', function(provide) {
+
+/**
+ * Вызывает переданную функцию в следующем тике.
+ *
+ * @name nextTick
+ * @param {Function} callback
+ */
+
+var global = this.global,
+    fns = [],
+    enqueueFn = function(fn) {
+        return fns.push(fn) === 1;
+    },
+    callFns = function() {
+        var fnsToCall = fns, i = 0, len = fns.length;
+        fns = [];
+        while(i < len) {
+            fnsToCall[i++]();
+        }
+    };
+
+    if(typeof process === 'object' && process.nextTick) { // nodejs
+        return provide(function(fn) {
+            enqueueFn(fn) && process.nextTick(callFns);
+        });
+    }
+
+    if(global.setImmediate) { // ie10
+        return provide(function(fn) {
+            enqueueFn(fn) && global.setImmediate(callFns);
+        });
+    }
+
+    if(global.postMessage) { // modern browsers
+        var isPostMessageAsync = true;
+        if(global.attachEvent) {
+            var checkAsync = function() {
+                    isPostMessageAsync = false;
+                };
+            global.attachEvent('onmessage', checkAsync);
+            global.postMessage('__checkAsync', '*');
+            global.detachEvent('onmessage', checkAsync);
+        }
+
+        if(isPostMessageAsync) {
+            var msg = '__nextTick' + +new Date,
+                onMessage = function(e) {
+                    if(e.data === msg) {
+                        e.stopPropagation && e.stopPropagation();
+                        callFns();
+                    }
+                };
+
+            global.addEventListener?
+                global.addEventListener('message', onMessage, true) :
+                global.attachEvent('onmessage', onMessage);
+
+            return provide(function(fn) {
+                enqueueFn(fn) && global.postMessage(msg, '*');
+            });
+        }
+    }
+
+    var doc = global.document;
+    if('onreadystatechange' in doc.createElement('script')) { // ie6-ie8
+        var createScript = function() {
+                var script = doc.createElement('script');
+                script.onreadystatechange = function() {
+                    script.parentNode.removeChild(script);
+                    script = script.onreadystatechange = null;
+                    callFns();
+            };
+            (doc.documentElement || doc.body).appendChild(script);
+        };
+
+        return provide(function(fn) {
+            enqueueFn(fn) && createScript();
+        });
+    }
+
+    provide(function(fn) { // old browsers
+        enqueueFn(fn) && setTimeout(callFns, 0);
+    });
+});