angular-cn/packages/platform-server/src/domino_adapter.ts

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/**
* @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
*/
const domino = require('domino');
import {ɵBrowserDomAdapter as BrowserDomAdapter} from '@angular/platform-browser';
import {ɵsetRootDomAdapter as setRootDomAdapter} from '@angular/common';
function _notImplemented(methodName: string) {
return new Error('This method is not implemented in DominoAdapter: ' + methodName);
}
function setDomTypes() {
// Make all Domino types available as types in the global env.
Object.assign(global, domino.impl);
(global as any)['KeyboardEvent'] = domino.impl.Event;
}
/**
* Parses a document string to a Document object.
*/
export function parseDocument(html: string, url = '/') {
let window = domino.createWindow(html, url);
let doc = window.document;
return doc;
}
/**
* Serializes a document to string.
*/
export function serializeDocument(doc: Document): string {
return (doc as any).serialize();
}
/**
* DOM Adapter for the server platform based on https://github.com/fgnass/domino.
*/
export class DominoAdapter extends BrowserDomAdapter {
static makeCurrent() {
setDomTypes();
setRootDomAdapter(new DominoAdapter());
}
private static defaultDoc: Document;
log(error: string) {
// tslint:disable-next-line:no-console
console.log(error);
}
logGroup(error: string) { console.error(error); }
logGroupEnd() {}
supportsDOMEvents(): boolean { return false; }
createHtmlDocument(): HTMLDocument {
return parseDocument('<html><head><title>fakeTitle</title></head><body></body></html>');
}
getDefaultDocument(): Document {
if (!DominoAdapter.defaultDoc) {
DominoAdapter.defaultDoc = domino.createDocument();
}
return DominoAdapter.defaultDoc;
}
isElementNode(node: any): boolean {
return node ? node.nodeType === DominoAdapter.defaultDoc.ELEMENT_NODE : false;
}
isShadowRoot(node: any): boolean { return node.shadowRoot == node; }
getProperty(el: Element, name: string): any {
if (name === 'href') {
// Domino tries to resolve href-s which we do not want. Just return the
// attribute value.
return this.getAttribute(el, 'href');
} else if (name === 'innerText') {
// Domino does not support innerText. Just map it to textContent.
return el.textContent;
}
return (<any>el)[name];
}
getGlobalEventTarget(doc: Document, target: string): EventTarget|null {
if (target === 'window') {
return doc.defaultView;
}
if (target === 'document') {
return doc;
}
if (target === 'body') {
return doc.body;
}
return null;
}
getBaseHref(doc: Document): string {
const base = doc.documentElement !.querySelector('base');
let href = '';
if (base) {
href = base.getAttribute('href') !;
}
// TODO(alxhub): Need relative path logic from BrowserDomAdapter here?
return href;
}
dispatchEvent(el: Node, evt: any) {
el.dispatchEvent(evt);
// Dispatch the event to the window also.
const doc = el.ownerDocument || el;
const win = (doc as any).defaultView;
if (win) {
win.dispatchEvent(evt);
}
}
getHistory(): History { throw _notImplemented('getHistory'); }
getLocation(): Location { throw _notImplemented('getLocation'); }
getUserAgent(): string { return 'Fake user agent'; }
performanceNow(): number { return Date.now(); }
supportsCookies(): boolean { return false; }
getCookie(name: string): string { throw _notImplemented('getCookie'); }
}