Fix #260 - name of undefined (line 379)

evanw · Oct 29, 2019 · e5aff39 · e5aff39
1 parent e2fcc4c
commit e5aff39
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source-map-support.js b/source-map-support.js
@@ -373,7 +373,7 @@ function wrapCallSite(frame, state) {
     frame = cloneCallSite(frame);
     var originalFunctionName = frame.getFunctionName;
     frame.getFunctionName = function() {
-      if (state.nextPosition === null) {
+      if (state.nextPosition === null || state.nextPosition === undefined) {
         return originalFunctionName();
       }
       return state.nextPosition.name || originalFunctionName();