chrome/browser/resources/md_extensions/item_behavior.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.

cr.define('extensions', function() {
  /** @polymerBehavior */
  const ItemBehavior = {
    /**
     * @param {chrome.developerPrivate.ExtensionType} type
     * @param {string} appLabel
     * @param {string} extensionLabel
     * @return {string} The app or extension label depending on |type|.
     */
    appOrExtension: function(type, appLabel, extensionLabel) {
      const ExtensionType = chrome.developerPrivate.ExtensionType;
      switch (type) {
        case ExtensionType.HOSTED_APP:
        case ExtensionType.LEGACY_PACKAGED_APP:
        case ExtensionType.PLATFORM_APP:
          return appLabel;
        case ExtensionType.EXTENSION:
        case ExtensionType.SHARED_MODULE:
          return extensionLabel;
      }
      assertNotReached('Item type is not App or Extension.');
    },
  };

  return {ItemBehavior: ItemBehavior};
});