nutui-uniapp/components/_utils/raf.ts

京东风格的轻量级移动端 Uniapp、Vue3 组件库（支持小程序开发）

const _window = window as any

export const inBrowser = typeof window !== 'undefined'

function requestAniFrame() {
  if (typeof _window !== 'undefined') {
    return (
      _window.requestAnimationFrame
      || _window.webkitRequestAnimationFrame
      || function (callback: () => void) {
        _window.setTimeout(callback, 1000 / 60)
      }
    )
  }
  else {
    return function (callback: () => void) {
      setTimeout(callback, 1000 / 60)
    }
  }
}

export function cancelRaf(id: number) {
  if (inBrowser)
    cancelAnimationFrame(id)

  else
    clearTimeout(id)
}

export default requestAniFrame()