import EventEmitter from "eventemitter3";

export class TaskRunner extends EventEmitter {
  public class: any;
  public instance: Worker;

  constructor(taskName: string) {
    super();
    this.class = require(`worker-loader!@/workers/tasks/${taskName}`);
    this.instance = new this.class() as Worker;
    this.instance.addEventListener("error", ev => this.emit("error", ev));
    this.instance.addEventListener("message", ev => {
      const message = JSON.parse(ev.data);
      this.emit(message.type, message.data);
    });
  }
}