Wails — Build Desktop Apps with Go and Web Technologies

go install github.com/wailsapp/wails/v2/cmd/wails@latest
wails init -n myapp -t svelte-ts
cd myapp
wails dev                    # Hot-reload dev mode
wails build                  # Production binary

Go backend:

type App struct { ctx context.Context }

func (a *App) Greet(name string) string {
    return fmt.Sprintf("Hello %s from Go!", name)
}

Svelte frontend:

<script lang="ts">
import { Greet } from "../wailsjs/go/main/App";
let result = "";
async function greet() {
    result = await Greet("William");
}
</script>
<button on:click={greet}>{result || "Click me"}</button>