MD Bookmarks: Handle bookmark creation

chrome/browser/resources/md_bookmarks/util.js

 // Copyright 2017 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 Utility functions for the Bookmarks page.
  */
 
 cr.define('bookmarks.util', function() {
   /**
    * @param {!BookmarksPageState} state
    * @return {!Array<string>}
    */
   function getDisplayedList(state) {
     if (!isShowingSearch(state))
       return assert(state.nodes[assert(state.selectedFolder)].children);
 
     return state.search.results;
   }
 
   /**
+   * @param {BookmarkTreeNode} treeNode
+   * @return {BookmarkNode}
+   */
+  function normalizeNode(treeNode) {
+    var node = Object.assign({}, treeNode);
+    // Node index is not necessary and not kept up-to-date. Remove it from the
+    // data structure so we don't accidentally depend on the incorrect
+    // information.
+    delete node.index;
+
+    if (!('url' in node)) {
+      // The onCreated API listener returns folders without |children| defined.
+      node.children = (node.children || []).map(function(child) {
+        return child.id;
+      });
+    }
+    return /** @type {BookmarkNode} */ (node);
+  }
+
+  /**
    * @param {BookmarkTreeNode} rootNode
    * @return {NodeList}
    */
   function normalizeNodes(rootNode) {
     /** @type {NodeList} */
     var nodeList = {};
     var stack = [];
     stack.push(rootNode);
 
     while (stack.length > 0) {
       var node = stack.pop();
-      // Node index is not necessary and not kept up-to-date. Remove it from the
-      // data structure so we don't accidentally depend on the incorrect
-      // information.
-      delete node.index;
-      nodeList[node.id] = node;
+      nodeList[node.id] = normalizeNode(node);
       if (!node.children)
         continue;
 
-      var childIds = [];
       node.children.forEach(function(child) {
-        childIds.push(child.id);
         stack.push(child);
       });
-      node.children = childIds;
     }
 
     return nodeList;
   }
 
   /** @return {!BookmarksPageState} */
   function createEmptyState() {
     return {
       nodes: {},
       selectedFolder: '0',
@@ skipping 30 matching lines @@
         return true;
     }
     return false;
   }
 
   return {
     createEmptyState: createEmptyState,
     getDisplayedList: getDisplayedList,
     hasChildFolders: hasChildFolders,
     isShowingSearch: isShowingSearch,
+    normalizeNode: normalizeNode,
     normalizeNodes: normalizeNodes,
   };
 });