redefine-function v0.0.2

Redefine Function

Re-define functions

Install

$ npm install --save redefine-function 

Usage

var redefineFunction= require("redefine-function")

var Greetings = {
  hello: function(){
    return "Hi there."
  }
}

console.log(Greetings.hello()) // Hi there

redefineFunction(this, "Greetings.hello", function(){
  return  "Don't worry about it"
})

console.log(Greetings.hello()) // Don't worry about it

API

redefineFunction(context, functionName, newFunction)

var redefineFunction= require("redefine-function")

var Greetings = {
  hello: function(){
    return "Hi there."
  }
}

console.log(Greetings.hello()) // Hi there

redefineFunction(this, "Greetings.hello", function(){
  return  "Don't worry about it"
})

console.log(Greetings.hello()) // Don't worry about it

Also works with prototype functions:

var redefineFunction= require("redefine-function")

String.prototype.yell = function(){
  return this + "!"
}

function reallyYell(){
  return this + "!!!!!!!!"
}

"Hello".yell() // #=>  "Hello!"

redefineFunction(global, "String.prototype.yell", reallyYell)

"Hello".yell() // #=>  "Hello!!!!!!!!"