Expose helpers on functions

exposeFunctions.js

'use strict';
 
var privateState = require('privatestate');
 
function nameHelper(first, last) {
  return first + ' ' + last;
}
 
function Person(first, last) {
  this.first = first;
  this.last = last;
}
 
Person.prototype = {
    welcome: function() {
        return 'My name is ' + nameHelper(this.first, this.last);
    }
}
 
privateState.registerTestingFunctions(Person, ['nameHelper']);
 
module.exports = Person;