compromise/src/result/subset/values/toNiceNumber.js

natural language processing in the browser

'use strict';

const niceNumber = function (num) {
  if (!num && num !== 0) {
    return null;
  }
  num = '' + num;
  let x = num.split('.');
  let x1 = x[0];
  let x2 = x.length > 1 ? '.' + x[1] : '';
  let rgx = /(\d+)(\d{3})/;
  while (rgx.test(x1)) {
    x1 = x1.replace(rgx, '$1' + ',' + '$2');
  }
  return x1 + x2;
};
module.exports = niceNumber;