From eed1412015e510c573dd1e340c1766acb1b33922 Mon Sep 17 00:00:00 2001
From: Tereza Tomcova <tereza.tomcova@gmail.com>
Date: Fri, 13 Oct 2023 21:17:22 +0200
Subject: [PATCH] fix: log unhandled error even if its stack is empty

---
 CHANGELOG.md                                  | 1 +
 packages/jest-reporters/src/CoverageWorker.ts | 6 +++++-
 packages/jest-runner/src/testWorker.ts        | 6 +++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e24c0b8cb2a..73dc228b0e1d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,7 @@
 - `[jest-cli]` When specifying paths on the command line, only match against the relative paths of the test files ([#12519](https://github.com/facebook/jest/pull/12519))
   - [**BREAKING**] Changes `testPathPattern` configuration option to `testPathPatterns`, which now takes a list of patterns instead of the regex.
   - [**BREAKING**] `--testPathPattern` is now `--testPathPatterns`
+- `[jest-reporters, jest-runner]` Unhandled errors without stack get correctly logged to console ([#14619](https://github.com/facebook/jest/pull/14619))
 
 ### Performance
 
diff --git a/packages/jest-reporters/src/CoverageWorker.ts b/packages/jest-reporters/src/CoverageWorker.ts
index 0d6349bc6f71..37adb50cc4e8 100644
--- a/packages/jest-reporters/src/CoverageWorker.ts
+++ b/packages/jest-reporters/src/CoverageWorker.ts
@@ -33,7 +33,11 @@ export type CoverageWorkerData = {
 
 // Make sure uncaught errors are logged before we exit.
 process.on('uncaughtException', err => {
-  console.error(err.stack);
+  if (err.stack) {
+    console.error(err.stack);
+  } else {
+    console.error(err);
+  }
   exit(1);
 });
 
diff --git a/packages/jest-runner/src/testWorker.ts b/packages/jest-runner/src/testWorker.ts
index 4d1ee811f8e5..8864cf0616d9 100644
--- a/packages/jest-runner/src/testWorker.ts
+++ b/packages/jest-runner/src/testWorker.ts
@@ -35,7 +35,11 @@ type WorkerData = {
 
 // Make sure uncaught errors are logged before we exit.
 process.on('uncaughtException', err => {
-  console.error(err.stack);
+  if (err.stack) {
+    console.error(err.stack);
+  } else {
+    console.error(err);
+  }
   exit(1);
 });