Added functionality to remove/delete task from task queue.

package.json

@@ -35,6 +35,7 @@
     "@types/node": "^14.0.27",
     "@types/puppeteer": "^3.0.1",
     "@types/puppeteer-core": "^2.0.0",
+    "@types/underscore": "^1.11.3",
     "coveralls": "^3.1.0",
     "express": "^4.17.1",
     "jest": "^24.9.0",

src/Cluster.ts

@@ -12,6 +12,7 @@ import SystemMonitor from './SystemMonitor';
 import { EventEmitter } from 'events';
 import ConcurrencyImplementation, { WorkerInstance, ConcurrencyImplementationClassType }
     from './concurrency/ConcurrencyImplementation';
+import * as _ from 'underscore';
 
 const debug = util.debugGenerator('Cluster');
 
@@ -404,6 +405,15 @@ export default class Cluster<JobData = any, ReturnData = any> extends EventEmitt
         this.work();
     }
 
+    private removeTask(id: any) {
+        try {
+            const findIndex = this.jobQueue.list.lastIndexOf(id)
+            findIndex !== -1 && this.jobQueue.list.splice(findIndex , 1)
+        } catch (error) {
+            console.log('error while removing task from queue >>>', JSON.stringify(error))
+        }
+    }
+
     public async queue(
         data: JobData,
         taskFunction?: TaskFunction<JobData, ReturnData>,
@@ -418,6 +428,10 @@ export default class Cluster<JobData = any, ReturnData = any> extends EventEmitt
         this.queueJob(data, taskFunction);
     }
 
+    public removeTaskFromQueue(id: string) {
+        this.removeTask(id);
+    }
+
     public execute(
         data: JobData,
         taskFunction?: TaskFunction<JobData, ReturnData>,

src/Job.ts

@@ -17,15 +17,16 @@ export default class Job<JobData, ReturnData> {
 
     private lastError: Error | null = null;
     public tries: number = 0;
-
+    public url: string;
     public constructor(
-        data?: JobData,
+        data?: any,
         taskFunction?: TaskFunction<JobData, ReturnData>,
         executeCallbacks?: ExecuteCallbacks,
     ) {
         this.data = data;
         this.taskFunction = taskFunction;
         this.executeCallbacks = executeCallbacks;
+        this.url = data.url;
     }
 
     public getUrl(): string | undefined {

src/Queue.ts

@@ -6,7 +6,7 @@ interface QueueOptions {
 
 export default class Queue<T> {
 
-    private list: T[] = [];
+    public list: T[] = [];
     private delayedItems: number = 0;
 
     public size(): number {