Rolling packages to version 0.4.2

pkg/template_binding/lib/js/observe.js

-// Copyright 2012 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
 
 (function(global) {
   'use strict';
 
   var testingExposeCycleCount = global.testingExposeCycleCount;
 
   // Detect and do basic sanity checking on Object/Array.observe.
   function detectObjectObserve() {
     if (typeof Object.observe !== 'function' ||
         typeof Array.observe !== 'function') {
@@ skipping 39 matching lines @@
   function detectEval() {
     // Don't test for eval if we're running in a Chrome App environment.
     // We check for APIs set that only exist in a Chrome App context.
     if (typeof chrome !== 'undefined' && chrome.app && chrome.app.runtime) {
       return false;
     }
 
     // Firefox OS Apps do not allow eval. This feature detection is very hacky
     // but even if some other platform adds support for this function this code
     // will continue to work.
-    if (navigator.getDeviceStorage) {
+    if (typeof navigator != 'undefined' && navigator.getDeviceStorage) {
       return false;
     }
 
     try {
       var f = new Function('', 'return true;');
       return f();
     } catch (ex) {
       return false;
     }
   }
 
   var hasEval = detectEval();
 
   function isIndex(s) {
-    return +s === s >>> 0;
+    return +s === s >>> 0 && s !== '';
   }
 
   function toNumber(s) {
     return +s;
   }
 
   function isObject(obj) {
     return obj === Object(obj);
   }
 
@@ skipping 693 matching lines @@
 
     allObservers.push(observer);
   }
 
   function removeFromAll(observer) {
     Observer._allObserversCount--;
   }
 
   var runningMicrotaskCheckpoint = false;
 
-  var hasDebugForceFullDelivery = hasObserve && hasEval && (function() {
-    try {
-      eval('%RunMicrotasks()');
-      return true;
-    } catch (ex) {
-      return false;
-    }
-  })();
-
   global.Platform = global.Platform || {};
 
   global.Platform.performMicrotaskCheckpoint = function() {
     if (runningMicrotaskCheckpoint)
       return;
 
-    if (hasDebugForceFullDelivery) {
-      eval('%RunMicrotasks()');
-      return;
-    }
-
     if (!collectObservers)
       return;
 
     runningMicrotaskCheckpoint = true;
 
     var cycles = 0;
     var anyChanged, toCheck;
 
     do {
       cycles++;
@@ skipping 886 matching lines @@
     return arraySplice.calculateSplices(current, previous);
   };
 
   global.ArraySplice = ArraySplice;
   global.ObjectObserver = ObjectObserver;
   global.PathObserver = PathObserver;
   global.CompoundObserver = CompoundObserver;
   global.Path = Path;
   global.ObserverTransform = ObserverTransform;
 })(typeof global !== 'undefined' && global && typeof module !== 'undefined' && module ? global : this || window);