happy-dom/src/nodes/NodeFactory.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 Document from '../nodes/document/Document.js';
import Node from './node/Node.js';
import * as PropertySymbol from '../PropertySymbol.js';

/**
 * Node factory used for setting the owner document to nodes.
 */
export default class NodeFactory {
	public static ownerDocuments: Document[] = [];

	/**
	 * Creates a node instance with the given owner document.
	 *
	 * @param ownerDocument Owner document.
	 * @param nodeClass Node class.
	 * @param [args] Node arguments.
	 * @returns Node instance.
	 */
	public static createNode<T extends Node>(
		ownerDocument: Document,
		nodeClass: new (...args) => T,
		...args: any[]
	): T {
		if (!nodeClass.prototype[PropertySymbol.window]) {
			this.ownerDocuments.push(ownerDocument);
		}
		return new nodeClass(...args);
	}

	/**
	 * Pulls an owner document from the queue.
	 *
	 * @returns Document.
	 */
	public static pullOwnerDocument(): Document {
		return this.ownerDocuments.pop();
	}
}