mizzkey/src/web/app/common/scripts/uuid.js

/**
 * Generate a UUID
 */
export default () => {
	let uuid = '';

	for (let i = 0; i < 32; i++) {
		const random = Math.random() * 16 | 0;

		if (i == 8 || i == 12 || i == 16 || i == 20) {
			uuid += '-';
		}

		uuid += (i == 12 ? 4 : (i == 16 ? (random & 3 | 8) : random)).toString(16);
	}

	return uuid;
};