| // Copyright 2020 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. |
| |
| let lazyLoadPromise = null; |
| |
| /** @return {!Promise<void>} Resolves when the lazy load module is imported. */ |
| export function ensureLazyLoaded() { |
| if (!lazyLoadPromise) { |
| const script = document.createElement('script'); |
| script.type = 'module'; |
| script.src = './chromeos/lazy_load.js'; |
| document.body.appendChild(script); |
| const lazyLoadPages = [ |
| 'settings-crostini-page', |
| 'settings-date-time-page', |
| 'os-settings-a11y-page', |
| 'os-settings-files-page', |
| 'os-settings-languages-section', |
| 'os-settings-printing-page', |
| 'os-settings-reset-page', |
| ]; |
| if (!loadTimeData.getBoolean('isAccountManagementFlowsV2Enabled')) { |
| lazyLoadPages.push('os-settings-privacy-page'); |
| } |
| |
| lazyLoadPromise = Promise.all( |
| lazyLoadPages.map(name => customElements.whenDefined(name))); |
| } |
| return lazyLoadPromise; |
| } |
