nextjs-client-cookie-pattern
Next.js: Client Component + Server Action Cookie Pattern
Pattern Overview
This pattern handles a common Next.js requirement: client-side interaction (button click) that needs to set server-side cookies.
Why Two Files?
- Client components (
'use client') can have onClick handlers - Only server code can set cookies (security requirement)
- Solution: Client component calls a server action that sets cookies
The Pattern
Scenario: A button that sets a cookie when clicked
File 1: Client Component (app/CookieButton.tsx)
- Has
'use client'directive - Has onClick handler
- Imports and calls server action
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