Function callback

playground/vitestSetup.ts:343–347

(event: RolldownWatcherEvent)

): Promise<void> {
  let resolveFn: undefined | (() => void)
  const callback = (event: RolldownWatcherEvent): void => {
    if (event.code === 'END') {
      resolveFn?.()
    }
  }
  watcher.on('event', callback)
  await new Promise<void>((resolve) => {
    resolveFn = resolve