Function debounce

packages/vite/src/node/server/bundledDev.ts:522–531

(time: number, cb: () => void)

}

function debounce(time: number, cb: () => void) {
  let timer: ReturnType<typeof globalThis.setTimeout> | null
  return () => {
    if (timer) {
      globalThis.clearTimeout(timer)
      timer = null
    }
    timer = globalThis.setTimeout(cb, time)
  }
}