Function callback

packages/core/src/filesystem/watcher.ts:86–92

(_error, updates)

    )

    const callback: ParcelWatcher.SubscribeCallback = (_error, updates) => {
      for (const update of updates) {
        if (update.type === "create") runFork(events.publish(Event.Updated, { file: update.path, event: "add" }))
        if (update.type === "update") runFork(events.publish(Event.Updated, { file: update.path, event: "change" }))
        if (update.type === "delete") runFork(events.publish(Event.Updated, { file: update.path, event: "unlink" }))
      }
    }

    const subscribe = (directory: string, ignore: string[]) => {
      const pending = w.subscribe(directory, callback, { ignore, backend })