minify function !

Author: jcheron

Ajax/common/traits/JsUtilsInternalTrait.php

@@ -1,7 +1,6 @@
 <?php
 namespace Ajax\common\traits;
 use Ajax\common\BaseGui;
-use Ubiquity\js\Minify;
 
 trait JsUtilsInternalTrait{
 
@@ -38,7 +37,29 @@ protected function ready($script){
 
 	protected function minify($input) {
 		if(trim($input) === "") return $input;
-		return Minify::minifyJavascript($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;
 	}
 
 	/**