lib/NajiDev/Common/JavaScriptData/Container.php
public function add($key, $value)
	{
		try
		{
			$this->getRecursive($key, $this->data);
		}
		catch (ElementNotFoundException $e)
		{
			$this->set($key, $value);
		}
	}
public function add($key, $value)
	{
		try
		{
			$this->getRecursive($key, $this->data);
		}
		catch (ElementNotFoundException $e)
		{
			$this->set($key, $value);
		}
	}
Sets the value, if the does not exists yet

@param $key string
@param $value mixed
@throws InvalidArgumentException
@throws UnsupportedException
@return void