Implement base.IPC

remoting/webapp/base/js/base.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * A module that contains basic utility components and methods for the
  * chromoting project
  *
  */
@@ skipping 94 matching lines @@
  */
 base.values = function(dict) {
   return Object.keys(dict).map(
     /** @param {string} key */
     function(key) {
       return dict[key];
     });
 };
 
 /**
+ * @param {*} value
+ * @return {*} a recursive copy of |value| or null if |value| is not copyable
+ *   (e.g. undefined, NaN).
+ */
+base.deepCopy = function (value) {
+  try {
+    return JSON.parse(JSON.stringify(value));
+  } catch (e) {}
+  return null;
+};
+
+/**
  * @type {boolean|undefined}
  * @private
  */
 base.isAppsV2_ = undefined;
 
 /**
  * @return {boolean} True if this is a v2 app; false if it is a legacy app.
  */
 base.isAppsV2 = function() {
   if (base.isAppsV2_ === undefined) {
@@ skipping 336 matching lines @@
  * @return {Object|undefined} The decoded object, or undefined if the string
  *     cannot be parsed.
  */
 base.jsonParseSafe = function(jsonString) {
   try {
     return /** @type {Object} */ (JSON.parse(jsonString));
   } catch (err) {
     return undefined;
   }
 }