const ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
const ID_LENGTH = 8;

export function uid():string {
    let len = ALPHABET.length;
    let rtn = '';
    for (let i = 0; i < ID_LENGTH; i++) {
        rtn += ALPHABET.charAt(Math.floor(Math.random() * len));
    }
    return rtn;
}