- const S4 = () => (((1+Math.random())*0x10000)|0).toString(16).substring(1);
- return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
-}
\ No newline at end of file
+ // eslint-disable-next-line no-bitwise
+ const S4 = () => (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
+ return (`${S4() + S4()}-${S4()}-${S4()}-${S4()}-${S4()}${S4()}${S4()}`);
+}
+
+/**
+ * Generate a random smaller unique ID.
+ *
+ * @returns {string}
+ */
+export function uniqueIdSmall() {
+ // eslint-disable-next-line no-bitwise
+ const S4 = () => (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
+ return S4();
+}
+
+/**
+ * Create a promise that resolves after the given time.
+ * @param {int} timeMs
+ * @returns {Promise}
+ */
+export function wait(timeMs) {
+ return new Promise(res => {
+ setTimeout(res, timeMs);
+ });
+}