Exploring Constructors and Factories in Javascript - Wrapping Constructors Example

index.js

var createPerson = require('./person')
var sean = createPerson('Sean Hagstrom', 20)
 
console.log(sean.name) // Sean Hagstrom
console.log(sean.age) // 20

person.js

var wrap = require('./wrap')

function Person(name, age) {
  this.name = name
  this.age = age
}
 
module.exports = wrap(Person)

wrap.js

function wrap(constructor) {
  return function() {
    var object = Object.create(constructor.prototype)
    return constructor.apply(object, arguments) || object
  }
}

module.exports = wrap