https://www.bamboohr.com/scripts/_classes/analytics-queue.js

1/**
2 * @class AnalyticsQueue
3 * @description - A global deferral queue to handle analytics tracking calls that occur 
4 * before the alloy library is loaded. 
5 * @usage: 
6 * 
7 *  // instantiating the queue (this is already done during loadPage() in scripts.js):
8 *  window.analyticsQueue = new AnalyticsQueue();
9 * 
10 *  // Queuing tracking calls:
11 *  window.analyticsQueue.enqueue(() => analyticsTrackFormStart(form));
12 *  
13 *  // Processing queue (already handled in the analytics library):
14 *  window.analyticsQueue.processQueue();
15 */
16
17export default class AnalyticsQueue {
18  constructor() {
19    this.queue = [];
20    this.processing = false;
21  }
22
23  enqueue(trackingCall) {
24    this.queue.push(trackingCall);
25    if(window.analyticsLoaded){
26      this.processQueue();  
27    }
28  }
29
30  async processQueue() {
31    if (this.processing) return; 
32    this.processing = true;
33
34    while (this.queue.length > 0) {
35      const currentCall = this.queue.shift();
36      try {
37        currentCall();
38      } catch (error) {
39        // eslint-disable-next-line no-console
40        console.error("Error processing tracking call from queue:", error);
41      }
42    }
43
44    this.processing = false;
45  }
46}