Function mapObject

lib/stats/DefaultStatsFactoryPlugin.js:411–418

(obj, fn)

 * @returns {MappedValues<T, R>} mapped object
 */
const mapObject = (obj, fn) => {
	/** @type {MappedValues<T, R>} */
	const newObj = Object.create(null);
	for (const key of /** @type {(keyof T)[]} */ (Object.keys(obj))) {
		newObj[key] = fn(obj[key], key);
	}
	return newObj;
};

/**
 * Count with children.