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feat: Typescript implementation - #6
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| this.data = data.data | ||
| this.meta = { | ||
| retryCount: 0, | ||
| startTime: Date.now() + (data.delay ?? 0), |
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Лучше вообще не писать свойство, если это можно сделать.
И в целом нейминг свойст можно более ужатый
| startTime: Date.now() + (data.delay ?? 0), | ||
| failed: false, | ||
| // TODO: Is this correct? | ||
| timeout: data.timeout ?? 0, |
| this.meta = { | ||
| retryCount: 0, | ||
| startTime: Date.now() + (data.delay ?? 0), | ||
| failed: false, |
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Это по принципу отсутствие failed === false
| subjects: subjects, | ||
| duplicate_window: nanos(this.duplicateWindow), | ||
| }) | ||
| console.log(`Stream '${this.name}' created successfully.`) |
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Давай логгирование уберем и перейдем на евен емиттинг.
Возможно самое простое - это отнаследоваться от EventEmitter. Реализацию опять таки можно подсмотреть в BullMQ, вроде удобно.
| "@nats-io/kv": "3.0.2", | ||
| "@nats-io/jetstream": "3.0.2", | ||
| "@nats-io/nats-core": "3.0.2", | ||
| "@nats-io/transport-node": "3.0.2" |
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Вот эти зависимости надо указывать в peerDependecies.
И в дев вернуть.
| } | ||
| // TODO: I think this is not needed | ||
| public async close(): Promise<void> { |
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Если коннекшн внешний, то можно close убирать.
| public async addJob(job: Job, priority: number = 1): Promise<void> { | ||
| if (this.connection.isClosed()) { | ||
| throw new Error('Cannot add job when NATS connection is closed.') |
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Наверное, надо хотя начать с того, чтобы все ошибки либы были от кастомного класса
NatsQueueError extends Error типа
| } | ||
| public async addJob(job: Job, priority: number = 1): Promise<void> { | ||
| if (this.connection.isClosed()) { |
| const DEFAULT_DEDUPLICATE_WINDOW = 2000 | ||
| const MIN_DUPLICATE_WINDOW = 100 | ||
| export type QueueOpts = { |
| @@ -0,0 +1,29 @@ | |||
| import { JobCreateData } from './types' | |||
| export class Job { | |||
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Надо джобу иметь для консьюмера.
И это дает возможность что-то попытаться сделать lazy.
| const msgHeaders = headers() | ||
| msgHeaders.set('Nats-Msg-Id', job.id) | ||
| await this.client.publish(`${job.queueName}.${priority}`, jobData, { |
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Давайте попробуем
queueName.PRIORITY.jobName
| export type WorkerOpts = { | ||
| client: JetStreamClient | ||
| name: string | ||
| processor: (job: JsMsg, timeout: number) => Promise<void> |
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Timeout минус
Здесь job - то уже наш класс, а не JsMsg
| for (let i = 1; i <= this.priorities; i++) { | ||
| // TODO: Naming might be wrong, independent of the queue name | ||
| const consumerName = `worker_group_${i}` | ||
| const subject = `${this.name}.${i}` |
| `Job: name=${data.name} id=${data.id} is started with data=${data.data} in queue=${data.queueName}`, | ||
| ) | ||
| const timeout = data.meta.timeout |
| ) | ||
| } | ||
| const newId = `${crypto.randomUUID()}_${Date.now()}` |
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Надо явно это вынести либо в отдельный метод, либо в метод класса джобы.
| protected async fetch(consumer: Consumer, count: number): Promise<JsMsg[]> { | ||
| // TODO: Maybe fail to fetch consumer info | ||
| const consumerInfo = await consumer.info() |
| filter_subject: subject, | ||
| name: consumerName, | ||
| durable_name: consumerName, | ||
| ack_policy: AckPolicy.All, |
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Глобальный конкаренси НЕ ДЕЛАЕМ!!
| const awaitedMessages: JsMsg[] = [] | ||
| for await (const msg of msgs) { | ||
| awaitedMessages.push(msg) |
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Мне кажется, нечего тут массив собирать, давай процессить сразу.
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