text: 'use strict';
  const expect = require('expect');
  const lib = require('../../lib');
  
  describe('lib CommonJS', function() {
    it('should expose a "custom" function', function() {
      expect(lib.custom).toBeA('function');
    });
  
    it('should expose a "PropTypesCustom" function', function() {
      expect(lib.PropTypesCustom).toBeA('function');
      expect(lib.ReactPropTypesCustom).toBeA('function');
    });
  
    it('should expose a "PropTypesCustomOptions" function', function() {
      expect(lib.PropTypesCustomOptions).toBeA('function');
      expect(lib.ReactPropTypesCustomOptions).toBeA('function');
    });
  
    it('should expose a "addPropTypesCustom" function', function() {
      expect(lib.addPropTypesCustom).toBeA('function');
    });
  });
  