Timing callbacks adapted to promises

timing-promises.js

// usage: await timeout(1000);
export const timeout = (timeout = 100) =>
  new Promise(resolve => window.setTimeout(resolve, timeout));

// usage: await animationFrame();
export const animationFrame = () =>
  new Promise(resolve => window.requestAnimationFrame(resolve));

// usage: await idle();
export const idle = () =>
  new Promise(resolve => window.requestIdleCallback(resolve));