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https://github.com/Kapsonfire-DE/bun-bakery

Bun-Bakery is a web framework for Bun. It uses a file based router in style like svelte-kit. No need to define routes during runtime.
https://github.com/Kapsonfire-DE/bun-bakery

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Bun-Bakery is a web framework for Bun. It uses a file based router in style like svelte-kit. No need to define routes during runtime.

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![](https://user-images.githubusercontent.com/67053124/178574093-60d51387-0f65-4c64-a29b-b8c5baefde7e.png)

# Bun Bakery

**Bun-Bakery** is a web framework for [Bun](https://github.com/oven-sh/bun). It uses a file based router in style like svelte-kit. No need to define routes during runtime.

## Quick Start
```bash
bun add @kapsonfire/bun-bakery
```

On your main script import Router from bun-bakery and define your pathes. i.e. `main.ts`
```typescript
import {Router} from "@kapsonfire/bun-bakery"

new Router({
assetsPath: import.meta.dir + '/assets/',
routesPath: import.meta.dir + '/routes/'
})
```

After that run the server and open your browser `http://localhost:3000`
```bash
bun main.ts
```

## Routing
Routes are added automatically when creating files inside your `routesPath` when exporting functions with the corresponding Method Names.
Given example above create `index.ts` inside `routes/` and export a `GET` function calling `ctx.sendResponse()`.

```typescript
import {Context} from "@kapsonfire/bun-bakery"

export async function GET(ctx: Context) {
ctx.sendResponse(new Response('hello world!'));
}
```

### Parameters
Routes can have parameters inside dirname and/or filename. Just put the parameter name inside brackets and it will be added to `ctx.params`.
In example: given `routes/user/[username].ts` and open `http://localhost:3000/user/kapsonfire`
```typescript
import {Context} from "@kapsonfire/bun-bakery"

export async function GET(ctx: Context) {
ctx.sendResponse(new Response('hello '+ ctx.params.username +'!'));
}
```
will output `hello kapsonfire!`

### Spread Parameters
Routes can also have wildcard/spread parameters.
In example: given `routes/users/[...usernames].ts` and open `http://localhost:3000/users/kapsonfire/jarred/tricked`
```typescript
import {Context} from "@kapsonfire/bun-bakery"

export async function GET(ctx: Context) {
ctx.json(JSON.stringify(ctx.params));
}
```

will output
```json
{"usernames":["kapsonfire","jarred","tricked"]}
```

### Websocket Server
Bun-Bakery supports websocket endpoint export for Bun.serve({...}).
Just export `WEBSOCKET` as Object registering the websocket hooks.
In example: given `routes/websocket/user.ts`
```typescript
export const WEBSOCKET = {
message: (ws, message) => {
console.log('RCV:', message);
ws.send('ECHO: ' + message);
},
upgrade: (ctx: Context) => {
ctx.acceptWebsocketUpgrade();
}
}
```

More detailed example:
```typescript
export const WEBSOCKET = {
message: (ws, message) => {
console.log('RCV:', message);
ws.send('ECHO: ' + message);
},
upgrade: (ctx: Context) => {
ctx.acceptWebsocketUpgrade({
data: {
name: new URL(req.url).searchParams.get("name") || "Friend",
},
headers: {
'Set-Cookie': 'name=value'
}
});
}
}
```
This will accept Websocket Connections on `ws://localhost:3000/websocket/user

**NOTE**: Websocket Endpoints don't support params in the url.

### Handlers
Inside the context variable you can access the native bun `Request` object inside `ctx.request`.
`ctx.sendResponse` expects a native bun `Response` object.

## Middlewares
bun-bakery supports some life-cycles to add middleware
* **onRequest** `will be called before the router handles the request`
* **onRoute** `will be called before the route function will be called`
* **onResponse** `will be called after the route function finished`

```typescript
router.addMiddleware({
onRequest: (ctx: Context) => { ctx.params.injected = "1"; console.log('onRequest', ctx) },
onRoute: (ctx: Context) => console.log('onRoute', ctx),
onResponse: (ctx: Context) => {
ctx.response.headers.set('content-type', 'application/jsonx');
console.log('onResponse', ctx)
},
});
```