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denoland-deno/cli/tests/worker_post_undefined.ts
yonatan ben avraham 5f015eac9c
fix: Worker hangs when posting "undefined" as message (#8920)
This commit fixes hang in web workers occuring when sending
"undefined" as message value. It is a temporary band-aid
until proper structured close is implemented.

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2021-01-08 15:44:24 +01:00

5 lines
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TypeScript

self.onmessage = (ev: MessageEvent) => {
console.log("received in worker", ev.data);
self.postMessage(undefined);
console.log("posted from worker");
};