chore: default sep to empty string

akulsr0 · akulsr0 · commit 7c80ba878b02 · 2024-07-18T10:13:09.000+05:30
diff --git a/lib/util/propTypesSort.js b/lib/util/propTypesSort.js
@@ -185,7 +185,7 @@ function fixPropTypesSort(
       );
 
       const sourceCodeText = getText(context);
-      let separator = null;
+      let separator = '';
       source = nodes.reduceRight((acc, attr, index) => {
         const sortedAttr = sortedAttributes[index];
         const commentNode = commentnodeMap.get(sortedAttr);
