Fix test compiling.

jupyterlab · May 23, 2019 · 33d87c1 · 33d87c1
1 parent fba791e
commit 33d87c1
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/testutils/src/jest-shim.ts b/testutils/src/jest-shim.ts
@@ -44,8 +44,9 @@ process.on('unhandledRejection', (error, promise) => {
   console.error('Unhandled promise rejection somewhere in tests');
   if (error) {
     console.error(error);
-    if (error.stack) {
-      console.error(error.stack);
+    const stack = (error as any).stack;
+    if (stack) {
+      console.error(stack);
     }
   }
   promise.catch(err => console.error('promise rejected', err));