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denoland-deno/cli/tests/testdata/run/rejection_handled.ts
Bartek Iwańczuk 7471587d29
feat: "rejectionhandled" Web event and "rejectionHandled" Node event (#21875)
This commit adds support for "rejectionhandled" Web Event and
"rejectionHandled" Node event.

```js
import process from "node:process";

process.on("rejectionHandled", (promise) => {
  console.log("rejectionHandled", reason, promise);
});

window.addEventListener("rejectionhandled", (event) => {
  console.log("rejectionhandled", event.reason, event.promise);
});
```

---------

Co-authored-by: Matt Mastracci <matthew@mastracci.com>
2024-01-12 22:10:42 +00:00

17 lines
466 B
TypeScript

window.addEventListener("unhandledrejection", (event) => {
console.log("unhandledrejection", event.reason, event.promise);
event.preventDefault();
});
window.addEventListener("rejectionhandled", (event) => {
console.log("rejectionhandled", event.reason, event.promise);
});
const a = Promise.reject(1);
setTimeout(async () => {
a.catch(() => console.log("Added catch handler to the promise"));
}, 10);
setTimeout(() => {
console.log("Success");
}, 50);