Function uniqueArray

lib/stats/DefaultStatsFactoryPlugin.js:373–382

(items, selector)

 * @returns {I[]} array of values
 */
const uniqueArray = (items, selector) => {
	/** @type {Set<I>} */
	const set = new Set();
	for (const item of items) {
		for (const i of selector(item)) {
			set.add(i);
		}
	}
	return [...set];
};

/**
 * Unique ordered array.