const Singleton = require('js-singleton')();
 
function Person(firstname, lastname){
  this.firstname = firstname;
  this.lastname = lastname;
}
 
var person = Singleton.getInstance(Person, 'George', 'Clooney');
console.log(person.firstname, person.lastname); // Prints George Clooney
 
var anotherPerson = Singleton.getInstance(Person, 'Michael', 'Jackson');
console.log(anotherPerson.firstname, anotherPerson.lastname); // Prints George Clooney
 
var anotherPersonMaybe = Singleton.getInstance(Person);
console.log(anotherPersonMaybe.firstname, anotherPersonMaybe.lastname); // Prints George Clooney

 
function ff(d){
    this.d = d;
}
 
const SingletonSingle = require('js-singleton')(ff, 125);
const Singleton = require('js-singleton')();
 
var i1 = SingletonSingle.getInstance();
var i2 = SingletonSingle.getInstance();
var i3 = Singleton.getInstance(ff);
 
console.log(i1.d); // Prints 125
console.log(i2.d); // Prints 125
console.log(i3.d); // Prints 125

function Complex(a, b){
  this.a = a;
  this.b = b;
}
 
var complex = Singleton.getInstance(Complex, 1, 2);
const SingletonSingle = require('js-singleton')(Complex);
Singleton.setName("MyCustomComplexClass", Complex);
SingletonSingle.setName("MyCustomComplexClass"); // Equivalent to previous line
 
var anotherComplex = Singleton.getInstance("MyCustomComplexClass");
 
var someOtherComplex = SingletonSingle.getInstance();
 
console.log(anotherComplex.a, anotherComplex.b); // Prints 1 2;
console.log(complex.a, complex.b); // Prints 1 2;
console.log(someOtherComplex.a, someOtherComplex.b); // Prints 1 2;

const Singleton = require('js-singleton')();
function Door(height, width){
  this.height = height;
  this.width = width;
}
 
var door = Singleton.getInstance(Door, 1.1, 2.3);
Singleton.setName("door", Door);
Singleton.setName("door", "otherDoorAlias");
 
var anotherDoor = Singleton.getInstance("door");
 
var anotherDoorMaybe = Singleton.getInstance("otherDoorAlias");
 
const SingletonSingle = require('js-singleton')("otherDoorAlias)";
var aDoorAlso = SingletonSingle.getInstace();
 
console.log(door.width, door.height); // Prints 2.3 1.1
console.log(anotherDoor.width, anotherDoor.height); // Prints 2.3 1.1
console.log(anotherDoorMaybe.width, anotherDoorMaybe.height); // Prints 2.3 1.1
console.log(aDoorAlso.width, aDoorAlso.height); // Prints 2.3 1.1

/**
 *
 * This module is the server module (server.js)
 * 
 * @author Some Author
 *
 */
 
function server(options){
    // Some beautiful code
}
 
var options = {}; // some options
 
const Singleton = require('js-singleton')();
Singleton.getInstance(server, options);
// equivalent
const SingletonSingle = require('js-singleton')(server, options);
 
Singleton.setName("myServer", server);
// equivalent
SingletonSingle.setName("myServer");
 
// No need to module.export
 
/*
 *
 * In another file do
 *
 */
require('/path/to/server');
const Singleton = require('js-singleton')();
var myServer = Singleton.getInstance("myServer");
// equivalent
const SingletonSingle = require('js-singleton')("myServer");
var myServer = SingletonSingle.getInstance();