kibana-riya/src/ui/public/utils/ordinal_suffix.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

import _ from 'lodash';
// adopted from http://stackoverflow.com/questions/3109978/php-display-number-with-ordinal-suffix
export default function addOrdinalSuffix(num) {
  return num + '' + suffix(num);
};

function suffix(num) {
  let int = Math.floor(parseFloat(num));

  let hunth = int % 100;
  if (hunth >= 11 && hunth <= 13) return 'th';

  let tenth = int % 10;
  if (tenth === 1) return 'st';
  if (tenth === 2) return 'nd';
  if (tenth === 3) return 'rd';
  return 'th';
}