Reland "feat: add "unhandledrejection" event support" (#15211)

1 files changed, 11 insertions, 0 deletions

diff --git a/cli/tests/testdata/unhandled_rejection.js b/cli/tests/testdata/unhandled_rejection.js
new file mode 100644
index 000000000..352e861b4
--- /dev/null
+++ b/cli/tests/testdata/unhandled_rejection.js
@@ -0,0 +1,11 @@
+globalThis.addEventListener("unhandledrejection", (e) => {
+  console.log("unhandled rejection at:", e.promise, "reason:", e.reason);
+  e.preventDefault();
+});
+
+function Foo() {
+  this.bar = Promise.reject(new Error("bar not available"));
+}
+
+new Foo();
+Promise.reject();