Learn SWIFT-WASM with Real Code Examples

Install SwiftWasm toolchain using SwiftWasm releases or 'carton' CLI.

Configure SwiftPM project for wasm32-wasi target.

Install JavaScriptKit for browser interop usage.

Build project using `carton dev` or swift build flags.

Run in browser or WASI runtime.

Install SwiftWasm toolchain

Install carton

Install WASI runtime

Configure SwiftPM package

Set up browser loader

Package.swift - dependencies

carton settings

index.html loader

webpack/vite optional configs

main.wasm output

carton dev -> run dev server

carton bundle -> production bundle

swift build --triple wasm32-wasi

swift test -> normal testing

carton init -> starter template

UTF-8 fully supported

Use JS libraries for i18n

SwiftWasm handles string logic

WASI supports locale options

Browser drives language settings

Managed on JS/HTML side

Swift triggers events, JS updates accessible UI

Compatible with ARIA attributes

Browser-native accessibility features

Semantic HTML encouraged

Handled in HTML/CSS

Swift handles logic only

Use JS or Swift events to update UI

CSS frameworks compatible

SwiftWasm does not style directly

Managed through Swift variables

DOM state accessed via JS interop

Async/await handles event state

WASM memory stored in linear memory

State persisted in JS or storage APIs

Use Swift structs/classes

Pass data through JS bridging

Prefer typed arrays

Use JSON via JS fetch

Limit large data copies