@angular/platform-server
Version:
Angular - library for using Angular in Node.js
125 lines • 14.5 kB
JavaScript
/**
* @license
* Copyright Google LLC 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
*/
import { DOCUMENT, ɵgetDOM as getDOM } from '@angular/common';
import { Inject, Injectable, Optional } from '@angular/core';
import { Subject } from 'rxjs';
import * as url from 'url';
import { INITIAL_CONFIG } from './tokens';
import * as i0 from "@angular/core";
function parseUrl(urlStr) {
const parsedUrl = url.parse(urlStr);
return {
hostname: parsedUrl.hostname || '',
protocol: parsedUrl.protocol || '',
port: parsedUrl.port || '',
pathname: parsedUrl.pathname || '',
search: parsedUrl.search || '',
hash: parsedUrl.hash || '',
};
}
/**
* Server-side implementation of URL state. Implements `pathname`, `search`, and `hash`
* but not the state stack.
*/
export class ServerPlatformLocation {
constructor(_doc, _config) {
this._doc = _doc;
this.href = '/';
this.hostname = '/';
this.protocol = '/';
this.port = '/';
this.pathname = '/';
this.search = '';
this.hash = '';
this._hashUpdate = new Subject();
const config = _config;
if (!config) {
return;
}
if (config.url) {
const url = parseUrl(config.url);
this.protocol = url.protocol;
this.hostname = url.hostname;
this.port = url.port;
this.pathname = url.pathname;
this.search = url.search;
this.hash = url.hash;
this.href = _doc.location.href;
}
if (config.useAbsoluteUrl) {
if (!config.baseUrl) {
throw new Error(`"PlatformConfig.baseUrl" must be set if "useAbsoluteUrl" is true`);
}
const url = parseUrl(config.baseUrl);
this.protocol = url.protocol;
this.hostname = url.hostname;
this.port = url.port;
}
}
getBaseHrefFromDOM() {
return getDOM().getBaseHref(this._doc);
}
onPopState(fn) {
// No-op: a state stack is not implemented, so
// no events will ever come.
return () => { };
}
onHashChange(fn) {
const subscription = this._hashUpdate.subscribe(fn);
return () => subscription.unsubscribe();
}
get url() {
return `${this.pathname}${this.search}${this.hash}`;
}
setHash(value, oldUrl) {
if (this.hash === value) {
// Don't fire events if the hash has not changed.
return;
}
this.hash = value;
const newUrl = this.url;
scheduleMicroTask(() => this._hashUpdate.next({ type: 'hashchange', state: null, oldUrl, newUrl }));
}
replaceState(state, title, newUrl) {
const oldUrl = this.url;
const parsedUrl = parseUrl(newUrl);
this.pathname = parsedUrl.pathname;
this.search = parsedUrl.search;
this.setHash(parsedUrl.hash, oldUrl);
}
pushState(state, title, newUrl) {
this.replaceState(state, title, newUrl);
}
forward() {
throw new Error('Not implemented');
}
back() {
throw new Error('Not implemented');
}
// History API isn't available on server, therefore return undefined
getState() {
return undefined;
}
}
ServerPlatformLocation.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.1", ngImport: i0, type: ServerPlatformLocation, deps: [{ token: DOCUMENT }, { token: INITIAL_CONFIG, optional: true }], target: i0.ɵɵFactoryTarget.Injectable });
ServerPlatformLocation.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.0.1", ngImport: i0, type: ServerPlatformLocation });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.1", ngImport: i0, type: ServerPlatformLocation, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [INITIAL_CONFIG]
}] }]; } });
export function scheduleMicroTask(fn) {
Zone.current.scheduleMicroTask('scheduleMicrotask', fn);
}
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Implements `pathname`, `search`, and `hash`\n * but not the state stack.\n */\n@Injectable()\nexport class ServerPlatformLocation implements PlatformLocation {\n  public readonly href: string = '/';\n  public readonly hostname: string = '/';\n  public readonly protocol: string = '/';\n  public readonly port: string = '/';\n  public readonly pathname: string = '/';\n  public readonly search: string = '';\n  public readonly hash: string = '';\n  private _hashUpdate = new Subject<LocationChangeEvent>();\n\n  constructor(\n      @Inject(DOCUMENT) private _doc: any, @Optional() @Inject(INITIAL_CONFIG) _config: any) {\n    const config = _config as PlatformConfig | null;\n    if (!config) {\n      return;\n    }\n    if (config.url) {\n      const url = parseUrl(config.url);\n      this.protocol = url.protocol;\n      this.hostname = url.hostname;\n      this.port = url.port;\n      this.pathname = url.pathname;\n      this.search = url.search;\n      this.hash = url.hash;\n      this.href = _doc.location.href;\n    }\n    if (config.useAbsoluteUrl) {\n      if (!config.baseUrl) {\n        throw new Error(`\"PlatformConfig.baseUrl\" must be set if \"useAbsoluteUrl\" is true`);\n      }\n      const url = parseUrl(config.baseUrl);\n      this.protocol = url.protocol;\n      this.hostname = url.hostname;\n      this.port = url.port;\n    }\n  }\n\n  getBaseHrefFromDOM(): string {\n    return getDOM().getBaseHref(this._doc)!;\n  }\n\n  onPopState(fn: LocationChangeListener): VoidFunction {\n    // No-op: a state stack is not implemented, so\n    // no events will ever come.\n    return () => {};\n  }\n\n  onHashChange(fn: LocationChangeListener): VoidFunction {\n    const subscription = this._hashUpdate.subscribe(fn);\n    return () => subscription.unsubscribe();\n  }\n\n  get url(): string {\n    return `${this.pathname}${this.search}${this.hash}`;\n  }\n\n  private setHash(value: string, oldUrl: string) {\n    if (this.hash === value) {\n      // Don't fire events if the hash has not changed.\n      return;\n    }\n    (this as {hash: string}).hash = value;\n    const newUrl = this.url;\n    scheduleMicroTask(\n        () => this._hashUpdate.next(\n            {type: 'hashchange', state: null, oldUrl, newUrl} as LocationChangeEvent));\n  }\n\n  replaceState(state: any, title: string, newUrl: string): void {\n    const oldUrl = this.url;\n    const parsedUrl = parseUrl(newUrl);\n    (this as {pathname: string}).pathname = parsedUrl.pathname;\n    (this as {search: string}).search = parsedUrl.search;\n    this.setHash(parsedUrl.hash, oldUrl);\n  }\n\n  pushState(state: any, title: string, newUrl: string): void {\n    this.replaceState(state, title, newUrl);\n  }\n\n  forward(): void {\n    throw new Error('Not implemented');\n  }\n\n  back(): void {\n    throw new Error('Not implemented');\n  }\n\n  // History API isn't available on server, therefore return undefined\n  getState(): unknown {\n    return undefined;\n  }\n}\n\nexport function scheduleMicroTask(fn: Function) {\n  Zone.current.scheduleMicroTask('scheduleMicrotask', fn);\n}\n"]}