Improve fix for issue #64

Author: evilaliv3

src/prefixes-config.js

@@ -2,16 +2,14 @@ module.exports = ({prefix}) => ({
   attribute: {
     prefixes: {
       ltr: `[${prefix}=ltr]`,
-      rtl: `[${prefix}=rtl]`,
-      dir: `[${prefix}]`,
+      rtl: `[${prefix}=rtl]`
     },
     regex: new RegExp(`\\[${prefix}(=(\\w+|"\\w+"))?\\]`),
   },
   class: {
     prefixes: {
       ltr: `.${prefix}-ltr`,
-      rtl: `.${prefix}-rtl`,
-      dir: `.${prefix}`,
+      rtl: `.${prefix}-rtl`
     },
     regex: new RegExp(`\\.${prefix}(-\\w+)?`),
   },