VS Code extension using .NET WASI

This is an example VS Code extension that uses the VS Code wasm-wasi host to run a .NET WASI WebAssembly module.

Prerequisites

• .NET 8 Preview 6 or later
• Install the (experimental!) dotnet wasi workload: dotnet workload install wasi-experimental
• Install the official WASI SDK from https://github.com/WebAssembly/wasi-sdk/releases
• Set the WASI_SDK_PATH environment variable to point to the place where you put the WASI SDK

Building

% cd vscode
% npm install
% npm run build

Running the Desktop Extension

1. Open this folder in VS Code
2. Press "F5" with the "Launch Extension" configuration
3. in the [Extension Development Host] window, press Ctrl-Shift-P (or Cmd-Shift-P) and run wasm: run .NET WASI Program

A console should pop up with a message:

Runnning the Web Extension

% cd vscode
% npm run test-browser

A browser window will open with a local instance of VS Code for the Web. press Ctrl-Shift-P and run wasm: run .NET WASI Program

A console should pop up with a message: