WASI Developer Experience Goals

WebAssembly System Interface is an exciting technology. Lots of work has already gone into enabling C# with WASI.
dotnet/runtime #65895 defines a set of low-level requirements for providing a working implementation. We can up-level that into a set of developer experience goals.

The following are proposed changes in various categories. Please propose your own.

Related (interview about WASI and C#): https://www.youtube.com/watch?v=fnAjxzMPPqk

Building

• Remove requirement for runtimeconfig.template file.
• Enable building single file wasm files by default (which may require installing the WASI SDK with the workload).
• Enable publishing AOT with a gesture similar to PublishAot.

Running

• Enable using Wasm runtime args with dotnet run (otherwise dotnet run isn't generally useful).
• Remove the existing dotnet run "helpful" output.

Programmability

• Enable importing popular WASI functionality (possibly worlds) as NuGet packages.
• Import other WASI functionality with a reference to a WIT file.
• Import Preview 2 components.
• Enable async with WASI interfaces.
• Enable HttpClient as-is (particularly for https endpoints).
• Enable minimal APIs (for handling Web requests).

More detailed work breakdown #65895