Handle uncaught worker errors without panicking (#3019)

3 files changed, 13 insertions, 0 deletions

diff --git a/cli/tests/error_worker_dynamic.ts b/cli/tests/error_worker_dynamic.ts
new file mode 100644
index 000000000..16fadf573
--- /dev/null
+++ b/cli/tests/error_worker_dynamic.ts
@@ -0,0 +1,3 @@
+const b = new Blob(['throw new Error("hello");']);
+const blobURL = URL.createObjectURL(b);
+new Worker(blobURL);
diff --git a/cli/tests/error_worker_dynamic.ts.out b/cli/tests/error_worker_dynamic.ts.out
new file mode 100644
index 000000000..4bea7b656
--- /dev/null
+++ b/cli/tests/error_worker_dynamic.ts.out
@@ -0,0 +1,3 @@
+[WILDCARD]error: Uncaught Error: hello
+[WILDCARD]__anonymous__:1:7
+    at [WILDCARD]__anonymous__:1:7
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 4bb7fbe6e..99ab54a02 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -474,6 +474,13 @@ itest!(error_type_definitions {
   output: "error_type_definitions.ts.out",
 });
 
+itest!(error_worker_dynamic {
+  args: "run --reload error_worker_dynamic.ts",
+  check_stderr: true,
+  exit_code: 1,
+  output: "error_worker_dynamic.ts.out",
+});
+
 itest!(exit_error42 {
   exit_code: 42,
   args: "run --reload exit_error42.ts",