worker: improve error (de)serialization

Rather than passing errors using some sort of string representation,
do a best effort for faithful serialization/deserialization of
uncaught exception objects.

PR-URL: https://github.com/nodejs/node/pull/20876
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: John-David Dalton <john.david.dalton@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>

1 files changed, 1 insertions, 2 deletions

diff --git a/test/parallel/test-worker-uncaught-exception.js b/test/parallel/test-worker-uncaught-exception.js
index b0e3ad11fa..cb2a0d79d2 100644
--- a/test/parallel/test-worker-uncaught-exception.js
+++ b/test/parallel/test-worker-uncaught-exception.js
@@ -10,8 +10,7 @@ if (!process.env.HAS_STARTED_WORKER) {
   const w = new Worker(__filename);
   w.on('message', common.mustNotCall());
   w.on('error', common.mustCall((err) => {
-    // TODO(addaleax): be more specific here
-    assert(/foo/.test(err));
+    assert(/^Error: foo$/.test(err));
   }));
 } else {
   throw new Error('foo');