code: function minify(src) {
         // remove comments
         src = src.replace(/\/\*[\s\S]*?\*\/|([^\\:]|^)\/\/.*$/gm, "$1"); // Remove leading and trailing whitespace from lines
  
         src = src.replace(/(\\n\s+)|(\s+\\n)/g, ""); // Remove line breaks
  
         src = src.replace(/(\\r|\\n)+/g, ""); // Remove unnecessary whitespace
  
         src = src.replace(/\s*([;,[\](){}\\\/\-+*|^&!=<>?~%])\s*/g, "$1");
         return src;
       }
docs: clean the given source from space, comments, etc...
  @private