source: trip-planner-front/node_modules/zone.js/fesm2015/webapis-media-query.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.8 KB
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1'use strict';
2/**
3 * @license Angular v12.0.0-next.0
4 * (c) 2010-2020 Google LLC. https://angular.io/
5 * License: MIT
6 */
7/**
8 * @license
9 * Copyright Google LLC All Rights Reserved.
10 *
11 * Use of this source code is governed by an MIT-style license that can be
12 * found in the LICENSE file at https://angular.io/license
13 */
14Zone.__load_patch('mediaQuery', (global, Zone, api) => {
15 function patchAddListener(proto) {
16 api.patchMethod(proto, 'addListener', (delegate) => (self, args) => {
17 const callback = args.length > 0 ? args[0] : null;
18 if (typeof callback === 'function') {
19 const wrapperedCallback = Zone.current.wrap(callback, 'MediaQuery');
20 callback[api.symbol('mediaQueryCallback')] = wrapperedCallback;
21 return delegate.call(self, wrapperedCallback);
22 }
23 else {
24 return delegate.apply(self, args);
25 }
26 });
27 }
28 function patchRemoveListener(proto) {
29 api.patchMethod(proto, 'removeListener', (delegate) => (self, args) => {
30 const callback = args.length > 0 ? args[0] : null;
31 if (typeof callback === 'function') {
32 const wrapperedCallback = callback[api.symbol('mediaQueryCallback')];
33 if (wrapperedCallback) {
34 return delegate.call(self, wrapperedCallback);
35 }
36 else {
37 return delegate.apply(self, args);
38 }
39 }
40 else {
41 return delegate.apply(self, args);
42 }
43 });
44 }
45 if (global['MediaQueryList']) {
46 const proto = global['MediaQueryList'].prototype;
47 patchAddListener(proto);
48 patchRemoveListener(proto);
49 }
50 else if (global['matchMedia']) {
51 api.patchMethod(global, 'matchMedia', (delegate) => (self, args) => {
52 const mql = delegate.apply(self, args);
53 if (mql) {
54 // try to patch MediaQueryList.prototype
55 const proto = Object.getPrototypeOf(mql);
56 if (proto && proto['addListener']) {
57 // try to patch proto, don't need to worry about patch
58 // multiple times, because, api.patchEventTarget will check it
59 patchAddListener(proto);
60 patchRemoveListener(proto);
61 patchAddListener(mql);
62 patchRemoveListener(mql);
63 }
64 else if (mql['addListener']) {
65 // proto not exists, or proto has no addListener method
66 // try to patch mql instance
67 patchAddListener(mql);
68 patchRemoveListener(mql);
69 }
70 }
71 return mql;
72 });
73 }
74});
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