angular-docs-cn/packages/zone.js/lib/browser/custom-elements.ts

20 lines
656 B
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
export function patchCustomElements(_global: any, api: _ZonePrivate) {
const {isBrowser, isMix} = api.getGlobalObjects() !;
if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {
return;
}
const callbacks =
['connectedCallback', 'disconnectedCallback', 'adoptedCallback', 'attributeChangedCallback'];
api.patchCallbacks(api, _global.customElements, 'customElements', 'define', callbacks);
}