vite-plugin-moonbit

Vite plugin for MoonBit projects. Supports both JS and WASM-GC backends.

Features

- Import resolution via mbt: prefix
- Auto-starts moon build --watch
- HMR on file changes
- JS and WASM-GC backend support

Install

``bash
pnpm add -D vite-plugin-moonbit
`

`js
// vite.config.ts
import { defineConfig } from 'vite';
import { moonbit } from 'vite-plugin-moonbit';

export default defineConfig({
plugins: [
moonbit({
target: "js",
// run: moon build --target js --watch in vite
// If you want to bulid manually, set false and moon build
watch: true
})
],
});
`

Quick Start

`bash
npx tiged github:mizchi/vite-plugin-moonbit/examples/js_project myapp
cd myapp && pnpm install
moon build && pnpm dev
`

Usage

$3

`typescript
// vite.config.ts
import { defineConfig } from 'vite';
import moonbit from 'vite-plugin-moonbit';

export default defineConfig({
plugins: [moonbit()]
});
`

`typescript
// main.ts
import { greet } from 'mbt:username/app';
`

Optional: tsconfig.json's paths

`json
{
"compilerOptions": {
// ...
"paths": {
"mbt:internal/app": [
"./_build/js/release/build/app.js"
]
}
}
}
`

See examples/js_project

Check out: npx tiged mizchi/vite-plugin-moonbit/examples/wasm_project myapp

$3

`typescript
// vite.config.ts
import { defineConfig } from 'vite';
import moonbit from 'vite-plugin-moonbit';

export default defineConfig({
plugins: [moonbit({ target: 'wasm-gc' })]
});
`

`typescript
// main.ts
import init from './_build/wasm-gc/release/build/app.wasm?init';

const instance = await init();
const { add } = instance.exports as { add: (a: number, b: number) => number };
add(1, 2);
`

See examples/wasm_project

Check out: npx tiged mizchi/vite-plugin-moonbit/examples/wasm_project myapp

Options

| Option | Type | Default | Description |
|--------|------|---------|-------------|
| root | string | cwd() | MoonBit project root |
| watch | boolean | true (dev) | Run moon build --watch |
| target | 'js' \| 'wasm' \| 'wasm-gc' | 'js' | Build target |
| showLogs | boolean | true | Show build logs |

Path Resolution

| Import | JS Backend | WASM-GC Backend |
|--------|------------|-----------------|
| mbt:user/pkg | _build/js/release/build/pkg.js | _build/wasm-gc/release/build/pkg.wasm` |

License

MIT