Edge Relay

HTTP proxy untuk Vercel Edge Runtime.

Live Deployment

Endpoint utama: https://proxy-bun.vercel.app/api/relay Endpoint kedua: https://vercel-relay-bgddcbfit-asepharyana71s-projects.vercel.app

Cara Pakai

Header yang Dibutuhkan

Header	Required	Default	Deskripsi
`x-relay-target`	Yes	-	URL target yang ingin di-proxy
`x-relay-path`	No	`/`	Path yang ditambahkan ke target

Contoh

# Proxy
curl -H "x-relay-target: https://jsonplaceholder.typicode.com/posts/1" https://proxy-bun.vercel.app/api/relay

# Proxy ke endpoint spesifik
curl -H "x-relay-target: https://api.example.com" \
     -H "x-relay-path: /v1/users" \
     https://proxy-bun.vercel.app/api/relay

HTTP Methods

Mendukung semua HTTP methods:

GET, HEAD - tanpa body
POST, PUT, PATCH, DELETE - dengan body

Header Handling

Relay headers yang di-strip sebelum forwarded:

x-relay-target
x-relay-path
host

Headers lain tetap di-pass.

Error Handling

{
  "error": "Missing x-relay-target header"
}

HTTP 400 jika x-relay-target tidak ada.

Struktur Kode

proxy-bun/
├── src/
│   ├── app/
│   │   └── api/relay/route.ts  # Edge handler
│   └── lib/
│       ├── relay-utils.ts      # Pure functions untuk relay logic
│       └── relay-utils.test.ts # Unit tests

relay-utils.ts

Function	Deskripsi
`normalizeTargetUrl(target, path)`	Gabung target + path, hapus trailing slash
`filterHeaders(headers)`	Filter relay & security headers
`shouldSendBody(method)`	Cek apakah method butuh body
`buildRelayRequest(req, url, headers)`	Bangun RequestInit untuk fetch
`createRelayResponse(response)`	Buat Response dari fetch result

Development

bun test     # Run tests
bun run dev  # Start local Next.js server

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