Sort an array of objects with known keys

map-order.ts

export function mapOrder<T, Key extends keyof T>(array: T[], order: Array<T[Key]>, key: Key) {
	return array.sort((a, b) => {
		const A = a[key];
		const B = b[key];

		if (order.indexOf(A) > order.indexOf(B)) {
			return 1;
		}

		return -1;
	});
}

Usage: