Cryptsy.coffee

Cryptsy = ->
  if Cryptsy::_singletonInstance
    return Cryptsy::_singletonInstance

  Cryptsy::_singletonInstance = @

  @orders = []

Cryptsy.js

function Cryptsy() {

	// solution from: goo.gl/MKJa4b
	if( Cryptsy.prototype._singletonInstance ) 
	  return Cryptsy.prototype._singletonInstance;
	  
	Cryptsy.prototype._singletonInstance = this;

	// init values
	this.orders = [];	

  // some other code
	
};