async function series<T>(promises: (() => Promise<T>)[],): Promise<T[]> {
	const results: T[] = [];
	async function seriesInner(promises: (() => Promise<T>)[]): Promise<T[]> {
		if (promises.length > 0) {
			const p = promises.shift();
			const result = await p();
			results.push(result);
			return seriesInner(promises);
		} else {
			return results;
		}
	}

	seriesInner(promises);
}