mnswpr/services/timer.service.js
2019-12-08 16:36:29 +08:00

72 lines
1.9 KiB
JavaScript

import { LoggerService } from "./logger.service.js";
/*
Author: Ayo Ayco
Email: ramon.aycojr@gmail.com
Website: AyoAyco.com
Blog: FullHacker.com
Live: games.fullhacker.com/minesweeper
*/
const INTERVAL = 1;
export class TimerService {
constructor() {
this.loggerService = new LoggerService();
}
initialize(el) {
if (!el) return;
this.display = el;
this.startTime = undefined;
if (this.id) {
this.stop()
}
this.updateDisplay();
}
start() {
if (this.running || !this.display) return;
// run timer
this.running = true;
this.startTime = new Date().getTime();
this.id = window.setInterval(() => this.updateDisplay(), INTERVAL);
this.loggerService.debug(`started timer id: ${this.id}`);
}
stop() {
this.running = false;
clearInterval(this.id);
this.loggerService.debug(`stopped timer id: ${this.id}`);
this.id = undefined;
return this.time;
}
updateDisplay() {
let currentTime = new Date().getTime() - this.startTime;
this.time = Math.floor(currentTime / INTERVAL);
this.display.innerHTML = this.pretty(this.time) || '0';
}
pretty(duration) {
if (!duration) return undefined;
var milliseconds = parseInt((duration % 1000) / 100),
seconds = Math.floor((duration / 1000) % 60),
minutes = Math.floor((duration / (1000 * 60)) % 60),
hours = Math.floor((duration / (1000 * 60 * 60)) % 24);
hours = (hours < 10) ? `0${hours}` : hours;
minutes = (minutes < 10) ? `0${minutes}` : minutes;
seconds = (seconds < 10) ? `0${seconds}` : seconds;
return `${this.clean(hours, ':')}${this.clean(minutes, ':')}${this.clean(seconds, '.')}${this.clean(milliseconds, '')}`;
}
clean(str, separator) {
return (str === '00') ? '' : `${str}${separator}`;
}
}