native messaging example: port disconnects without an error

[epragalakis]

What information was incorrect, unhelpful, or incomplete?

the code example does not run on two different OS' and the documentation does not explain why.

What did you expect to see?

more complete and descriptive errors

Do you have any supporting links, references, or citations?

No response

Do you have anything more you want to share?

I'm trying to run this web-extension example: https://github.com/mdn/webextensions-examples/tree/main/native-messaging on Linux (latest firefox) and macOs (latest firefox dev) and on calling browser.runtime.connectNative('ping_pong'); I get a disconnect event with a null error object.

[github-actions]

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