| /** |
| * @license |
| * Copyright 2019-2020 The Go Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style |
| * license that can be found in the LICENSE file. |
| */ |
| |
| // This file implements the behavior of the keyboard shortcut which allows |
| // for users to press 'y' to to change browser URL to the canonical URL |
| // without triggering a reload. |
| |
| const canonicalURLPath = document.querySelector('.js-canonicalURLPath').dataset['canonicalUrlPath']; |
| if (canonicalURLPath && canonicalURLPath !== '') { |
| document.addEventListener('keydown', e => { |
| // TODO(golang.org/issue/40246): consolidate keyboard shortcut behavior across the site. |
| const t = e.target.tagName; |
| if (t === 'INPUT' || t === 'SELECT' || t === 'TEXTAREA') { |
| return; |
| } |
| if (e.target.isContentEditable) { |
| return; |
| } |
| if (e.metaKey || e.ctrlKey) { |
| return; |
| } |
| switch (e.key) { |
| case 'y': |
| window.history.replaceState(null, '', canonicalURLPath); |
| break; |
| } |
| }); |
| } |
