protected function jsPipeline()
	{
		// If a custom minifier has been set use it, otherwise fallback to default
		$minifier = (isset($this->js_minifier)) ? $this->js_minifier : function ($buffer) {
			return \JSMin::minify($buffer);
		};

		return $this->pipeline($this->js, '.js', $this->js_dir, $minifier);
	}
protected function jsPipeline()
	{
		// If a custom minifier has been set use it, otherwise fallback to default
		$minifier = (isset($this->js_minifier)) ? $this->js_minifier : function ($buffer) {
			return \JSMin::minify($buffer);
		};

		return $this->pipeline($this->js, '.js', $this->js_dir, $minifier);
	}
protected function jsPipeline ( ) { // If a custom minifier has been set use it, otherwise fallback to default $ minifier = ( isset ( $ this -> js_minifier ) ) ? $ this -> js_minifier : function ( $ buffer ) { return \ JSMin :: minify ( $ buffer ) ; } ; return $ this -> pipeline ( $ this -> js , '.js' , $ this -> js_dir , $ minifier ) ; }
Minifiy and concatenate JavaScript files.

@return string
Minifiy and concatenate JavaScript files .