Learn SWIFT-WASM with Real Code Examples

Counter app using Swift + DOM APIs

SwiftWasm game loop with Canvas API

Swift-WASI CLI tool

Edge computing function deployed via Wasmer

Swift-based code editors/tools running in browser

Check compiler version compatibility

Verify jsinterop bindings (JavaScriptKit)

Ensure index.html loads wasm correctly

Inspect browser console for Wasm initialization issues

Test in multiple browsers or WASI runtimes

Test pure Swift logic via SwiftPM test

Integration test Wasm using headless browser

Use Playwright/Puppeteer

Use WASI runner to test CLI behavior

Benchmark using browser profiling tools

Deploy .wasm + JS loader to any static host

Serve via Vercel, Netlify, Cloudflare Pages

Deploy WASI modules to Wasmtime/Wasmer

Edge compute via Fermyon Spin (with Swift plugin)

Embedded runtimes inside servers

SwiftWasm toolchain

Carton CLI for development

JavaScriptKit for browser APIs

WASI runtimes like Wasmtime/Wasmer

SwiftPM

Browser DOM APIs via JavaScriptKit

Canvas, WebGL, Audio, Fetch APIs

WASI filesystem, args, env

Serverless platforms supporting Wasm

CI pipelines for Swift/Wasm builds

Use carton dev for hot reload

Prefer async/await over callbacks

Keep interop minimal

Reuse JS wrappers

Optimize builds with -Osize

Limited frameworks support

Binary size optimization

Interop overhead with JavaScript

Debugging wasm in browsers

Smaller ecosystem