amazon-city-of-gold/services/Clock/DevClock.js

import Clock from "services/Clock/Clock.js";

export default class DevClock extends Clock {
  constructor() {
    super();

    window.addEventListener("keyup", e => {
      if (this.timeScale) {
        this.previousNonZeroTimeScale = this.timeScale;
      }
      switch (e.key) {
        case "p":
        case "P":
          this.togglePause();
          break;
        case "1":
          this.setTimeScale(1);
          break;
        case "2":
          this.setTimeScale(2);
          break;
        case "3":
          this.setTimeScale(3);
          break;
        case "8":
          this.setTimeScale(0.25);
          break;
        case "9":
          this.setTimeScale(0.5);
          break;
        case "0":
          this.setTimeScale(1);
          break;
        case "ArrowLeft":
          this.setTimeScale(this.previousNonZeroTimeScale * 0.5);
          break;
        case "ArrowRight":
          this.setTimeScale(this.previousNonZeroTimeScale * 2);
          break;
        case "ArrowUp":
          this.setTimeScale(1);
          break;
        case "ArrowDown":
          this.setTimeScale(this.timeScale ? 0 : this.previousNonZeroTimeScale);
          break;
      }
    });
  }

  pause() {
    super.pause();
    console.log("Paused");
  }

  resume() {
    super.resume();
    console.log("Resumed");
  }

  togglePause() {
    if (this.paused) this.resume();
    else this.pause();
  }
}