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deno serve should support onListen callback #26070

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lowlighter opened this issue Oct 8, 2024 · 1 comment · May be fixed by #29449
Open

deno serve should support onListen callback #26070

lowlighter opened this issue Oct 8, 2024 · 1 comment · May be fixed by #29449
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feat new feature (which has been agreed to/accepted) serve

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@lowlighter
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Currently with Deno.serve you're able to know on which address you're listening to with onListen, but deno serve does not implement it:

export default {
  onListen:() => { /* call me maybe */ },
  fetch:() => new Response()
}

Use-case:

  • knowing which port was chosen (useful when --port 0)
  • dynamically set --location to allow fetch() on self
  • post-listening setup
  • etc
@bartlomieju
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@nathanwhit is looking into it

@bartlomieju bartlomieju added feat new feature (which has been agreed to/accepted) serve labels Oct 15, 2024
@bartlomieju bartlomieju changed the title deno serveˋ: onListen` callback deno serve should support onListen callback Oct 22, 2024
@iuioiua iuioiua linked a pull request May 26, 2025 that will close this issue
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feat(ext/http): support onListen() callback in deno serve iuioiua/deno
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@bartlomieju @lowlighter