Function xmlToObject

packages/melonjs/src/utils/xml.ts:29–70

(
	element: Element,
	normalizer?: XMLNormalizer,
)

 * @returns plain object representation of the XML element
 */
export function xmlToObject(
	element: Element,
	normalizer?: XMLNormalizer,
): Record<string, unknown> {
	const obj: Record<string, unknown> = {};

	// only Element nodes (nodeType 1) have attributes; Document nodes (nodeType 9) do not
	if (element.nodeType === ELEMENT_NODE) {
		const attributes = element.attributes;
		for (let i = 0, len = attributes.length; i < len; i++) {
			const attr = attributes[i];
			obj[attr.name] = attr.value;
		}
	}

	// only allocate the closure when a normalizer needs it
	const parse = normalizer
		? (node: Element) => xmlToObject(node, normalizer)
		: undefined;

	let text = "";

	const children = element.childNodes;
	for (let i = 0, len = children.length; i < len; i++) {
		const node = children[i];
		if (node.nodeType === ELEMENT_NODE) {
			if (parse) {
				normalizer!(obj, node as Element, parse);
			} else {
				obj[(node as Element).nodeName] = xmlToObject(node as Element);
			}
		} else if (node.nodeType === TEXT_NODE) {
			text += node.nodeValue!.trim();
		}
	}

	if (text) {
		obj.text = text;
	}

	return obj;
}