make it work off an instance

Author: lee-leonardo

lib/promiseQueue.js

@@ -1,9 +1,15 @@
 export class PromiseQueue {
-  static queue = [];
-  static pending = false;
-  static stop = false;
+  queue = [];
+  pending = false;
+  stop = false;
 
-  static enqueue(promise) {
+  constructor() {
+    this.queue = [];
+    this.pending = false;
+    this.stop = false;
+  }
+
+  enqueue(deferred) {
     return new Promise((resolve, reject) => {
       this.queue.push({
         promise,
@@ -14,7 +20,7 @@ export class PromiseQueue {
     });
   }
 
-  static dequeue() {
+  dequeue() {
     if (this.workingOnPromise) {
       return false;
     }