fix: cannot read property 'split' of undefined (#225)

AlbertLucianto · gajus · commit fa15c8d7048b · 2019-02-19T07:57:50.000Z
* fix: cannot read property 'split' of undefined

* fix: lint error in getClassName

* fix: lint error in getClassName
diff --git a/src/getClassName.js b/src/getClassName.js
@@ -72,6 +72,10 @@ export default (styleNameValue: string, styleModuleImportMap: StyleModuleImportM
   const handleMissingStyleName = options && options.handleMissingStyleName ||
     DEFAULT_HANDLE_MISSING_STYLENAME_OPTION;
 
+  if (!styleNameValue) {
+    return '';
+  }
+
   return styleNameValue
     .split(' ')
     .filter((styleName) => {
