react css injection pseudo

gistfile1.txt

        function styler(...args) {
          var result = { className: '', style: {} };
          args.forEach(arg => {
            var reference = getReference(arg);
            var injected = reference && isInjected(reference);
            if (!injected) {
              Object.assign(style, arg);
              if (reference) injectStyle(reference);
            }
            else className += ' ' + getClassName(arg);
          });
          return result;
        };

        <Component {...styler({ color: 'red' }, styleMixin(), styleRef)} />