Enqueue JS from dev files when WP_DEBUG is true, else enqueue combined, minimized file

enqueue-scripts.php

//
//  Enqueue JS from dev files or combined, minimized file
//

if( ! function_exists( 'bfc_enqueue_script' ) ) {
	function bfc_enqueue_script()
	{
		if ( defined('WP_DEBUG') AND WP_DEBUG ) {
		
		wp_enqueue_script('lazyload', get_stylesheet_directory_uri().'/js/dev/jquery.lazyload.js', array( 'jquery' ), null, true );
		wp_enqueue_script('bfcScripts', get_stylesheet_directory_uri().'/js/dev/scripts.js', array( 'jquery', 'lazyload' ), null, true );
				
		}
		
		else {
		
		wp_enqueue_script('theme-functions', get_stylesheet_directory_uri().'/js/bfc-functions.min.js', array( 'jquery' ), null, true );
		
		}
	}
}

add_action( 'wp_enqueue_scripts', 'bfc_enqueue_script' );
?>