denoland-deno/cli/tests/worker_post_undefined.ts at 2638aa03a5c3f7f4740ea7bee22127c01eb47a3c - foster/denoland-deno - Foster's Laboratory

foster/denoland-deno

mirror of https://github.com/denoland/deno.git synced 2024-11-22 15:06:54 -05:00

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

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