happy-dom/src/nodes/html-document/HTMLDocument.ts

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

import IBrowserFrame from '../../browser/types/IBrowserFrame.js';
import BrowserWindow from '../../window/BrowserWindow.js';
import Document from '../document/Document.js';
import * as PropertySymbol from '../../PropertySymbol.js';

/**
 * Document.
 */
export default class HTMLDocument extends Document {
	/**
	 * Constructor.
	 *
	 * @param injected Injected properties.
	 * @param injected.browserFrame Browser frame.
	 * @param injected.window Window.
	 */
	constructor(injected: { browserFrame: IBrowserFrame; window: BrowserWindow }) {
		super(injected);

		// Default document elements
		const doctype = this[PropertySymbol.implementation].createDocumentType('html', '', '');
		const documentElement = this.createElement('html');
		const bodyElement = this.createElement('body');
		const headElement = this.createElement('head');

		this.appendChild(doctype);
		this.appendChild(documentElement);

		documentElement.appendChild(headElement);
		documentElement.appendChild(bodyElement);
	}
}