Async logger service using javascript

 class LoggerService {

  packSizeLimit = 3

  isServerReady = true

  queue = []

  

  getIsServerReady() {

    return this.isServerReady;

  }

  sendEventsToQueue(data) {

    this.queue.push(data);

    this.sendEvents();

  }

  sendEvents() {

    if(this.getIsServerReady()) {

      const pack = this.queue.splice(0, this.packSizeLimit);

      this.sendEventsToServer(pack);

    }

  }

  // max 3 (packSizeLimit) events at a time

  // and only after the promise returns success response

  sendEventsToServer(list) {

    this.isServerReady = false;

    const promise = new Promise((res, rej) => {

      setTimeout(() => {

        res()

      }, 2000)

    });

    promise.then(res => {

      this.isServerReady = true;

        console.log('success: ', list.length);

        if(this.queue.length) {

          this.sendEvents();

        }

    })

  }

  log(name = '', data) {

    const normalizeData = {

      name,

      data

    }

    this.sendEventsToQueue(normalizeData);

  }

}

console.log('hello Test')

const asyncLog = new LoggerService();

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})

asyncLog.log('hello', {sku: 123})