better-auth
Installation
SKILL.md
better-auth Integration
Next.js 16 Breaking Changes
| Change | Before | After |
|---|---|---|
| Route protection file | middleware.ts |
proxy.ts |
| Function export | export function middleware |
export function proxy |
headers() |
Sync | Async (await) |
cookies() |
Sync | Async (await) |
params |
Object | Promise (await) |
searchParams |
Object | Promise (await) |
| Edge runtime in proxy | Supported | NOT supported |
# Migration codemod
npx @next/codemod@latest middleware-to-proxy .