feathers-authentication-management/src/helpers/get-short-token.js

Adds sign up verification, forgotten password reset, and other capabilities to local feathers-authentication

const randomBytes = require('./random-bytes');
const randomDigits = require('./random-digits');

module.exports = getShortToken;

async function getShortToken (len, ifDigits) {
  if (ifDigits) {
    return randomDigits(len);
  }

  const str1 = await randomBytes(Math.floor(len / 2) + 1);
  let str = str1.substr(0, len);

  if (str.match(/^[0-9]+$/)) { // tests will fail on all digits
    str = `q${str.substr(1)}`; // shhhh, secret.
  }

  return str;
}