protect against unhandled exception - fixes jest-community#195

lukeapage · Nov 4, 2018 · 9e31a68 · 9e31a68
1 parent ae7aee9
commit 9e31a68
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/rules/valid-expect-in-promise.js b/rules/valid-expect-in-promise.js
@@ -58,6 +58,7 @@ const isPromiseReturnedLater = (node, testFunctionBody) => {
   }
   const lastLineInTestFunc = testFunctionBody[testFunctionBody.length - 1];
   return (
+    lastLineInTestFunc &&
     lastLineInTestFunc.type === 'ReturnStatement' &&
     lastLineInTestFunc.argument.name === promiseName
   );