Using `Deno.FsFile.prototype.readable` with `Response`

I was trying to stream a file into a response with the snippet:

const file = await Deno.open(path);
const resp = new Response(file.readable);
file.close();
return resp;

const file = await Deno.open(path);
const resp = new Response(file.readable);
file.close();
return resp;

but it throws a

BadResource

BadResource

error. This makes sense, because closing the file would destroy the associated stream, but if I have to close the file at some point, how can I put it in a Response? afaict any way I do it will either error or leave a leak. I guess I could add a finalizer for the file but that seems silly.

Deno•2y ago•

8 replies

csjh

Using `Deno.FsFile.prototype.readable` with `Response`

I was trying to stream a file into a response with the snippet:

const file = await Deno.open(path);
const resp = new Response(file.readable);
file.close();
return resp;

const file = await Deno.open(path);
const resp = new Response(file.readable);
file.close();
return resp;

but it throws a

BadResource

BadResource

Using `Deno.FsFile.prototype.readable` with `Response`

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