WASM Component Examples

Various WASM component examples 🎉

Dependencies

• Node 22 LTS+
• Either wkg or wash available in PATH
  • wkg from wasm-pkg-tools
  • wash from wasmCloud
• Wasmtime (optional, for start-wasmtime commands)
• wasmCloud (optional, for start-wash commands)

Quick Start

npm install

npm run build

Run a specific example, such as hono-app via wasmtime serve:

npm run start-wasmtime -w examples/hono-app

JavaScript

• js-app: Minimal JavaScript example of an HTTP Server using the fetch-event style APIs.

TypeScript

The TypeScript examples are configured to use Rollup to make it easier organize apps in multiple files and leverage existing npm packages.

Other great examples

• Fermyon Blog: Routing in Spin Apps with Hono
• wasmCloud TypeScript Example: HTTP Server with Hono
• Bytecode Alliance Repo: sample-wasi-http-js