functions.js

//imports
const { team, root, admins } = require('./config');

function is_staff(ID) {
  return team.includes(ID) ? true : false;
}

function is_root(ID) {
  return root.includes(ID) ? true : false;
}

function is_admin(ID) {
  return admins.includes(ID) ? true : false;
}

function generate_token(length) {
  //edit the token allowed characters
  var a =
    'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'.split('');
  var b = [];
  for (var i = 0; i < length; i++) {
    var j = (Math.random() * (a.length - 1)).toFixed(0);
    b[i] = a[j];
  }
  return b.join('');
}

function is_url(str) {
  let regexp =
    /^(?:(?:https?|ftp):\/\/)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:\/\S*)?$/;
  if (regexp.test(str)) {
    return true;
  } else {
    return false;
  }
}

function formatNumbers(n) {
  if (n < 1e3) return n;
  if (n >= 1e3 && n < 1e6) return +(n / 1e3).toFixed(1) + 'K';
  if (n >= 1e6 && n < 1e9) return +(n / 1e6).toFixed(1) + 'M';
  if (n >= 1e9 && n < 1e12) return +(n / 1e9).toFixed(1) + 'B';
  if (n >= 1e12) return +(n / 1e12).toFixed(1) + 'T';
}

//exports
module.exports = {
  is_staff,
  is_root,
  is_admin,
  generate_token,
  is_url,
  formatNumbers,
};