Ubiquity\js\Minify::minifyJavascript()

Complexity

Conditions	2
Paths	2

Size

Total Lines	26
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
	public static function minifyJavascript($input){
		if(trim($input) === "") return $input;
		$input= preg_replace(
				array(
						// Remove comment(s)
						'#\s*("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')\s*|\s*\/\*(?!\!|@cc_on)(?>[\s\S]*?\*\/)\s*|\s*(?<![\:\=])\/\/.*(?=[\n\r]|$)|^\s*|\s*$#',
						// Remove white-space(s) outside the string and regex
						'#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\'|\/\*(?>.*?\*\/)|\/(?!\/)[^\n\r]*?\/(?=[\s.,;]|[gimuy]|$))|\s*([!%&*\(\)\-=+\[\]\{\}|;:,.<>?\/])\s*#s',
						// Remove the last semicolon
						//'#;+\}#',
						// Minify object attribute(s) except JSON attribute(s). From `{'foo':'bar'}` to `{foo:'bar'}`
						'#([\{,])([\'])(\d+|[a-z_][a-z0-9_]*)\2(?=\:)#i',
						// --ibid. From `foo['bar']` to `foo.bar`
						'#([a-z0-9_\)\]])\[([\'"])([a-z_][a-z0-9_]*)\2\]#i'
				),
				array(
						'$1',
						'$1$2',
						//'}',
						'$1$3',
						'$1.$3'
				),
				$input);
		$input=str_replace("}$", "};$", $input);
		return $input;
	}
}