Function _requestIdleCallback

packages/core/src/defer/idle_service.ts:23–27

()

type RequestIdle = typeof requestIdleCallback;

const _requestIdleCallback = () =>
  (typeof requestIdleCallback !== 'undefined'
    ? requestIdleCallback
    : (cb: VoidFunction) => setTimeout(cb) as unknown as number
  ).bind(globalThis) as RequestIdle;

const _cancelIdleCallback = () =>
  (typeof requestIdleCallback !== 'undefined' ? cancelIdleCallback : clearTimeout).bind(globalThis);