Function start

defaultmodules/clock/clock.js:42–89

()

	},
	// Define start sequence.
	start () {
		Log.info(`Starting module: ${this.name}`);

		// Schedule update interval.
		this.second = moment().second();
		this.minute = moment().minute();

		// Calculate how many ms should pass until next update depending on if seconds is displayed or not
		const delayCalculator = (reducedSeconds) => {
			const EXTRA_DELAY = 50; // Deliberate imperceptible delay to prevent off-by-one timekeeping errors

			if (this.config.displaySeconds) {
				return 1000 - moment().milliseconds() + EXTRA_DELAY;
			} else {
				return (60 - reducedSeconds) * 1000 - moment().milliseconds() + EXTRA_DELAY;
			}
		};

		// A recursive timeout function instead of interval to avoid drifting
		const notificationTimer = () => {
			this.updateDom();

			if (this.config.sendNotifications) {
				// If seconds is displayed CLOCK_SECOND-notification should be sent (but not when CLOCK_MINUTE-notification is sent)
				if (this.config.displaySeconds) {
					this.second = moment().second();
					if (this.second !== 0) {
						this.sendNotification("CLOCK_SECOND", this.second);
						setTimeout(notificationTimer, delayCalculator(0));
						return;
					}
				}

				// If minute changed or seconds isn't displayed send CLOCK_MINUTE-notification
				this.minute = moment().minute();
				this.sendNotification("CLOCK_MINUTE", this.minute);
			}

			setTimeout(notificationTimer, delayCalculator(0));
		};

		// Set the initial timeout with the amount of seconds elapsed as
		// reducedSeconds, so it will trigger when the minute changes
		setTimeout(notificationTimer, delayCalculator(this.second));

		// Set locale.
		moment.locale(config.language);
	},
	// Override dom generator.
	getDom () {
		const wrapper = document.createElement("div");