@tasolutions/express-core/utils/generate.js

All libs for express

'use strict';

module.exports = {

    bookingCode: () => {
        let result = "";
        const regex = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        for (var i = 0; i < 6; i++)
            result += regex.charAt(Math.floor(Math.random() * regex.length));

        return result;
    }

};