82 lines
2.2 KiB
TypeScript
82 lines
2.2 KiB
TypeScript
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/**
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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 * as url from 'url';
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import {Injectable} from '@angular/core';
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import {LocationChangeEvent, LocationChangeListener, PlatformLocation} from '@angular/common';
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import {getDOM} from './private_import_platform-browser';
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import {scheduleMicroTask} from './facade/lang';
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import {Subject} from 'rxjs/Subject';
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/**
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* Server-side implementation of URL state. Implements `pathname`, `search`, and `hash`
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* but not the state stack.
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*/
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@Injectable()
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export class ServerPlatformLocation implements PlatformLocation {
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private _path: string = '/';
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private _search: string = '';
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private _hash: string = '';
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private _hashUpdate = new Subject<LocationChangeEvent>();
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getBaseHrefFromDOM(): string {
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return getDOM().getBaseHref();
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}
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onPopState(fn: LocationChangeListener): void {
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// No-op: a state stack is not implemented, so
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// no events will ever come.
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}
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onHashChange(fn: LocationChangeListener): void {
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this._hashUpdate.subscribe(fn);
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}
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get pathname(): string { return this._path; }
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get search(): string { return this._search; }
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get hash(): string { return this._hash; }
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get url(): string {
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return `${this.pathname}${this.search}${this.hash}`;
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}
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private setHash(value: string, oldUrl: string) {
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if (this._hash === value) {
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// Don't fire events if the hash has not changed.
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return;
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}
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this._hash = value;
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const newUrl = this.url;
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scheduleMicroTask(() => this._hashUpdate.next(
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{type: 'hashchange', oldUrl, newUrl} as LocationChangeEvent));
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}
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replaceState(state: any, title: string, newUrl: string): void {
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const oldUrl = this.url;
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const parsedUrl = url.parse(newUrl, true);
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this._path = parsedUrl.path;
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this._search = parsedUrl.search;
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this.setHash(parsedUrl.hash, oldUrl);
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}
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pushState(state: any, title: string, newUrl: string): void {
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this.replaceState(state, title, newUrl);
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}
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forward(): void {
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throw new Error('Not implemented');
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}
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back(): void {
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throw new Error('Not implemented');
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}
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}
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