c805082648
This fixes a flicker when transitioning from server rendered page to client rendered page in lazy loaded routes by waiting for the lazy loaded route to finish loading, assuming initialNavigation on the route is set to 'enabled'. Fixes #15716
42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {APP_INITIALIZER, ApplicationInitStatus, Inject, InjectionToken, Injector, Provider} from '@angular/core';
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import {getDOM} from '../dom/dom_adapter';
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import {DOCUMENT} from '../dom/dom_tokens';
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/**
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* An id that identifies a particular application being bootstrapped, that should
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* match across the client/server boundary.
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*/
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export const TRANSITION_ID = new InjectionToken('TRANSITION_ID');
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export function appInitializerFactory(transitionId: string, document: any, injector: Injector) {
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return () => {
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// Wait for all application initializers to be completed before removing the styles set by
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// the server.
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injector.get(ApplicationInitStatus).donePromise.then(() => {
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const dom = getDOM();
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const styles: any[] =
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Array.prototype.slice.apply(dom.querySelectorAll(document, `style[ng-transition]`));
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styles.filter(el => dom.getAttribute(el, 'ng-transition') === transitionId)
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.forEach(el => dom.remove(el));
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});
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};
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}
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export const SERVER_TRANSITION_PROVIDERS: Provider[] = [
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{
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provide: APP_INITIALIZER,
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useFactory: appInitializerFactory,
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deps: [TRANSITION_ID, DOCUMENT, Injector],
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multi: true
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},
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];
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