Function onAddReadCountTask

src/utils/readCountQueue.ts:20–22

({ msgId }: { msgId: number })

> | null = null

const onAddReadCountTask = ({ msgId }: { msgId: number }) => {
  queue.add(msgId)
}
const onRemoveReadCountTask = ({ msgId }: { msgId: number }) => {
  queue.delete(msgId)
}