Support Streaming about open-next HOT 7 CLOSED

Definitely interested in this.
One of the issue with lambda response streaming as of now is that it only support lambda function url.
I've started playing with it yesterday to see if it would be difficult to support and it should not be to difficult, but we need to figure out how to support both edge and standard lambda : conico974@688150d

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@conico974 were you able to cache the streamed data? I tried playing w/ streaming in server-adapter but the content type ended up being an octet-stream

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Yes it was kind of working, i hacked something here : https://github.com/conico974/open-next/blob/688150d0a09d78a12f0ba926097c8282b6ec2745/packages/open-next/src/adapters/response.ts#L85 to set the content type.
This was the only way i found to set the headers on the response stream, but i haven't looked too much into this.

There is also a setContentType method on the responseStream object but we need to call this before writing anything to the stream, otherwise it will log an error and set the content type to octet-stream

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@conico974 I've forked your commit and investigating further. Found this function sets content type after the stream has already been written to.
https://gist.github.com/magJ/63bac8198469b6a25d5697ad490d31e6#file-index-mjs-L806

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@DavidHooper Nice catch looking at the runtime.
This function is actually called from user code, so it's likely something i have done or that you've done.
Looking at the gist, the response stream provided to us is actually https://gist.github.com/magJ/63bac8198469b6a25d5697ad490d31e6#file-index-mjs-L197.
We should probably rewrite the response class from open-next around that class

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Is there any update on this? I would love to see it implemented!

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@passgoco https://discord.com/channels/983865673656705025/1027265626085019769/1149742408565800990
Still experimental, chunks aren't compressed, we're looking into rewriting the http server. Help us if you can.

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