WASI Preview 2 support

[nickchomey]

Is your feature request related to a problem? Please describe.

A recent announcement for using TinyGo with wasi preview 2 opened up a lot of possibilities. However, it can only work with a runtime that supports wasip2.

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It would be great if wazero could add support for wasip2

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[mathetake]

unfortunately, until WASI v1.0, I would recommend to use wasip1 because of the confusion and drama around WASI.
In any case, you can implement any host environment by yourself including wasip2 if you want.

See #2200 as well where we clearly state that we will never support Component Model as well until it lands W3C recommendation 😉

[mathetake]

ps I have never encountered a single person with a solid real world application who could elaborate on why they need them (esp. component model) and why the current WASI p1 doesn't fit for them. anyway nuff said, thank you for opening the issue as it's good to clarify our position publicly

[nickchomey]

thanks for the quick response and clarifying that! You could look at ConduitIO/conduit#1646 if curious for a real world use case - in particular this discussion for how to embed Benthos in a Conduit pipeline.

[mathetake]

if curious for a real world use case

i don't see any reason why it cannot be done without wasip2/component model. I am 99.99999% sure you won't need them