cn007b / log

const ssn = require('short-string-number');

const config = require('./../configs/main');

/**

 * Counter - is class which calculates count of received messages

 * and shows current count value in counter block.

 */

class Counter {

  /**

   * Counter's constructor.

   */

  constructor() {

    this.count = 0;

  }

  /**

   * Increments counter value.

   */

  inc() {

    this.count += 1;

    this.showCount();

  }

  /**

   * Renders current counter value counter block.

   */

  showCount() {

    const c = ssn(this.count);

    document.getElementById('counter').innerHTML = typeof c === 'number' ? c.toString() : c;

    document.getElementById('counterPrecise').innerHTML = this.count.toString();

    if (this.count >= config.thresholdToDisplayCounter) {

      document.getElementById('counterBlock').style.display = 'block';

    }

  }

}

module.exports = new Counter();