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https://github.com/node-ecosystem/universal-autorouter

Universal filesystem autoloader for routes
https://github.com/node-ecosystem/universal-autorouter

autoloader expressjs filesystem hono routes web-server

Last synced: 19 days ago
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Universal filesystem autoloader for routes

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# universal-autorouter

Universal plugin, that use the _file system_ scan, to load in a server all routes in a directory.

Inspired by [elysia-autoload](https://github.com/kravetsone/elysia-autoload).

## Installation

```sh
yarn add universal-autorouter
```

## Usage example with [Hono](https://hono.dev)

### Register the Plugin

```ts
// /app.ts
import path from 'node:path'
import { serve } from '@hono/node-server'
import { Hono } from 'hono'
import autoloadRoutes from 'universal-autorouter'

const port = +(process.env.PORT || 3000)

const app = await autoloadRoutes(new Hono(), {
// Pattern to scan route files
pattern: '**/*.ts',
// Prefix to add to routes
prefix: '/api',
// Source directory of route files: use "relative" path
routesDir: path.resolve(import.meta.dirname, 'api')
})

serve(
{
fetch: app.fetch,
port
},
() => console.log(`Server running at http://localhost:${port}`)
)
```

### Create a Route

```ts
// /routes/index.ts
import type { Context } from 'hono'

export default (c: Context) => {
return c.text('Hello World!')
}
```

### Directory Structure

Guide on how `universal-autorouter` matches routes:

```
├── app.ts
├── routes
│ ├── index.ts // index routes
│ ├── posts
│ │ ├── index.ts
│ │ └── [id].ts // dynamic params
│ ├── likes
│ │ └── [...].ts // wildcard
│ ├── domains
│ │ ├── @[...] // wildcard with @ prefix
│ │ │ └── index.ts
│ ├── frontend
│ │ └── index.tsx // usage of tsx extension
│ ├── events
│ │ ├── (post).ts // dynamic method
│ │ └── (get).ts
│ └── users.ts
└── package.json
```

- `/routes/index.ts` → GET `/`
- `/routes/posts/index.ts` → GET `/posts`
- `/routes/posts/[id].ts` → GET `/posts/:id`
- `/routes/users.ts` → GET `/users`
- `/routes/likes/[...].ts` → GET `/likes/*`
- `/routes/domains/@[...]/index.ts` → GET `/domains/@*`
- `/routes/frontend/index.tsx` → GET `/frontend`
- `/routes/events/(post).ts` → POST `/events`
- `/routes/events/(get).ts` → GET `/events`

### Options

| Key | Type | Default | Description |
| ----------------- | --------------- | ------------------------------ | -------------------------------------------------------------------------------- |
| pattern? | string | `**/*.{ts,tsx,js,jsx,mjs,cjs}` | [Glob patterns](https://en.wikipedia.org/wiki/Glob_(programming)) |
| prefix? | string | ` ` | Prefix to be added to each route |
| routesDir? | string | `./routes` | The folder where routes are located (use a *relative* path) |
| defaultMethod? | Method | string | `get` | Default method to use when the route filename doesn't use the () pattern |
| viteDevServer? | ViteDevServer | _undefined_ | Developer server instance of [Vite](https://vite.dev) to use SSR module loader |
| skipNoRoutes? | boolean | `false` | Skip the throw error when no routes are found |
| skipImportErrors? | boolean | `false` | Skip the import errors with the `default export` of a rotue file |

## License

This project is licensed under the [MIT License](LICENSE).