marcog83/RoboJS

/**
 * Created by mgobbi on 31/03/2017.
 */
const REG_EXP = /[xy]/g;
const STRING = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx";
/**
 *
 * @return {string}
 */
export const nextUid = () => {
    return STRING.replace(REG_EXP, c => {
        let r = Math.random() * 16 | 0;
        let v = c === "x" ? r : (r & 0x3 | 0x8);
        return v.toString(16);
    });
};