happy-dom/src/nodes/html-form-element/RadioNodeList.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 HTMLButtonElement from '../html-button-element/HTMLButtonElement.js';
import HTMLInputElement from '../html-input-element/HTMLInputElement.js';
import HTMLSelectElement from '../html-select-element/HTMLSelectElement.js';
import HTMLTextAreaElement from '../html-text-area-element/HTMLTextAreaElement.js';
import NodeList from '../node/NodeList.js';

/**
 * RadioNodeList
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/API/RadioNodeList
 */
export default class RadioNodeList extends NodeList<
	HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement | HTMLButtonElement
> {
	/**
	 * Returns value.
	 *
	 * @returns Value.
	 */
	public get value(): string {
		for (const node of this) {
			if ((<HTMLInputElement>node).checked) {
				return (<HTMLInputElement>node).value;
			}
		}
		return null;
	}
}