fix: add default value when skipKeys is falsy

babel · Sep 22, 2019 · 9ba9bf8 · 9ba9bf8
1 parent 4ef8d5c
commit 9ba9bf8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/babel-traverse/src/index.js b/packages/babel-traverse/src/index.js
@@ -59,6 +59,9 @@ traverse.node = function(
   const keys: Array = t.VISITOR_KEYS[node.type];
   if (!keys) return;
 
+  if (!skipKeys) {
+    skipKeys = {};
+  }
   let skipKeysSet;
   const skipKeysKeys = Object.keys(skipKeys);
   if (skipKeysKeys.length > 0) {