cleanup unnecessary code

Author: adamgruber

lib/sass-extract-js.js

@@ -31,11 +31,6 @@ function quoteFontName(str) {
 function getSassValue(sassVar) {
   const { type, value } = sassVar;
   switch (type) {
-    case 'SassString':
-    case 'SassBoolean':
-    case 'SassNull':
-      return value;
-
     case 'SassNumber':
       return sassVar.unit ? `${value}${sassVar.unit}` : value;
 
@@ -100,7 +95,7 @@ function transformStyles(stylesObj) {
  */
 const sassExtractJs = {
   run: () => ({
-    postExtract: extractedVariables => transformStyles(extractedVariables.global || {}),
+    postExtract: extractedVariables => transformStyles(extractedVariables.global),
   }),
 };