44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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 {DOCUMENT} from '@angular/common';
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import {APP_ID, NgModule} from '@angular/core';
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import {TransferState, ɵescapeHtml as escapeHtml} from '@angular/platform-browser';
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import {BEFORE_APP_SERIALIZED} from './tokens';
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export function serializeTransferStateFactory(
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doc: Document, appId: string, transferStore: TransferState) {
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return () => {
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const script = doc.createElement('script');
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script.id = appId + '-state';
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script.setAttribute('type', 'application/json');
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script.textContent = escapeHtml(transferStore.toJson());
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doc.body.appendChild(script);
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};
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}
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/**
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* NgModule to install on the server side while using the `TransferState` to transfer state from
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* server to client.
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*
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* @publicApi
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*/
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@NgModule({
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providers: [
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TransferState, {
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provide: BEFORE_APP_SERIALIZED,
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useFactory: serializeTransferStateFactory,
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deps: [DOCUMENT, APP_ID, TransferState],
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multi: true,
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}
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]
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})
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export class ServerTransferStateModule {
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}
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