refactor default modules: move scheduleTimer to one place (#3837)

see #3819

---------

Co-authored-by: Kristjan ESPERANTO <35647502+KristjanESPERANTO@users.noreply.github.com>
Co-authored-by: Veeck <github@veeck.de>

js/module_functions.js

@@ -0,0 +1,18 @@
+/**
+ * Schedule the timer for the next update
+ * @param {object} timer The timer of the module
+ * @param {bigint} intervalMS interval in milliseconds
+ * @param {Function} callback function to call when the timer expires
+ */
+const scheduleTimer = function (timer, intervalMS, callback) {
+	if (process.env.JEST_WORKER_ID === undefined) {
+		// only set timer when not running in jest
+		let tmr = timer;
+		clearTimeout(tmr);
+		tmr = setTimeout(function () {
+			callback();
+		}, intervalMS);
+	}
+};
+
+module.exports = { scheduleTimer };