Method querySelectorAll

test/helpers/FakeDocument.js:86–147

* @param {string} selector selector * @returns {FakeElement[]} matching elements

(selector)

	 * @returns {FakeElement[]} matching elements
	 */
	querySelectorAll(selector) {
		// Simple selector support for common cases
		// Tag selector: "link", "script", etc.
		if (/^[a-zA-Z][a-zA-Z0-9-]*$/.test(selector)) {
			return this.getElementsByTagName(selector);
		}
		// Class selector: ".class"
		if (selector.startsWith(".")) {
			const className = selector.slice(1);
			/** @type {FakeElement[]} */
			const allElements = [];
			for (const elements of this._elementsByTagName.values()) {
				for (const element of elements) {
					if (element.getAttribute("class") === className) {
						allElements.push(element);
					}
				}
			}
			return allElements;
		}
		// ID selector: "#id"
		if (selector.startsWith("#")) {
			const id = selector.slice(1);
			for (const elements of this._elementsByTagName.values()) {
				for (const element of elements) {
					if (element.getAttribute("id") === id) {
						return [element];
					}
				}
			}
			return [];
		}
		// Attribute selector: "[attr]", "[attr=value]"
		if (selector.startsWith("[") && selector.endsWith("]")) {
			const attrSelector = selector.slice(1, -1);
			/** @type {FakeElement[]} */
			const allElements = [];
			if (attrSelector.includes("=")) {
				const [attr, value] = attrSelector
					.split("=")
					.map((s) => s.trim().replace(/^["']|["']$/g, ""));
				for (const elements of this._elementsByTagName.values()) {
					for (const element of elements) {
						if (element.getAttribute(attr) === value) {
							allElements.push(element);
						}
					}
				}
			} else {
				for (const elements of this._elementsByTagName.values()) {
					for (const element of elements) {
						if (element.getAttribute(attrSelector) !== undefined) {
							allElements.push(element);
						}
					}
				}
			}
			return allElements;