Method cloneNode

test/helpers/FakeDocument.js:426–469

* @param {boolean=} deep whether to deep-clone children * @returns {FakeElement} cloned element

(deep = false)

	 * @returns {FakeElement} cloned element
	 */
	cloneNode(deep = false) {
		const cloned = new FakeElement(
			this._document,
			this._type,
			this._document._basePath
		);

		// Copy attributes
		cloned._attributes = { ...this._attributes };

		// Copy src and href
		cloned._src = this._src;
		cloned._href = this._href;

		// For link elements, create a new sheet with the same href
		if (this._type === "link" && this.sheet) {
			cloned.sheet = new FakeSheet(cloned, this._document._basePath);
			if (this._href) {
				cloned.href = this._href;
			}
		}

		// Copy event handlers if they exist
		if (this.onload) {
			cloned.onload = this.onload;
		}
		// Copy event listeners
		if (this._eventListeners) {
			cloned._eventListeners = new Map();
			for (const [event, handlers] of this._eventListeners.entries()) {
				cloned._eventListeners.set(event, [...handlers]);
			}
		}

		// Deep clone children if requested
		if (deep) {
			for (const child of this._children) {
				const clonedChild = child.cloneNode(true);
				cloned.appendChild(clonedChild);
			}
		}

		return cloned;
	}
}

class FakeSheet {