JS helpers for delayed execution with async/await

delayed.ts

export function delay(ms: number) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

export async function delayedRepeat(ms: number, repetitions: number, callback: (index) => any) {
  for (let i = 1; i <= repetitions; i++) {
    await delay(ms);
    callback(i);
  }
}