
Integrate Convex with PlanetScale
The complete guide to connecting Convex and PlanetScale in Next.js 15.
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Convex + PlanetScale
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Pre-configured Convex & PlanetScale SDKs.
Secure Webhook & API Handlers (with error logging).
Responsive UI Components styled with Tailwind (Dark).
Optimized for Next.js 15 & TypeScript.
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Technical Proof & Alternatives
Verified open-source examples and architecture guides for this stack.
AI Architecture Guide
This blueprint outlines the architectural bridge between the Client-side Interactive Layer and the Server-side Persistence Layer using Next.js 15 App Router. It utilizes React 19 Server Actions for type-safe data mutation and the 2026 stable SDK pattern for zero-latency UI updates through optimistic hooks.
lib/integration.ts
1import { useActionState } from 'react';
2import { updateEntity } from '@/lib/actions';
3
4// 2026 Stable SDK Types
5interface ConnectionState {
6 success: boolean;
7 data?: Record<string, any>;
8 error?: string;
9}
10
11export default function ConnectorComponent() {
12 const [state, formAction, isPending] = useActionState<ConnectionState, FormData>(
13 updateEntity,
14 { success: false }
15 );
16
17 return (
18 <form action={formAction} className="space-y-4">
19 <input name="payload" type="text" required className="bg-slate-900 text-white" />
20 <button
21 disabled={isPending}
22 type="submit"
23 className="px-4 py-2 bg-blue-600 disabled:opacity-50"
24 >
25 {isPending ? 'Connecting...' : 'Sync Layers'}
26 </button>
27 {state.error && <p className="text-red-500">{state.error}</p>}
28 </form>
29 );
30}
31
32// Server-side Logic (lib/actions.ts)
33'use server';
34
35export async function updateEntity(prevState: any, formData: FormData) {
36 try {
37 const rawValue = formData.get('payload');
38 // Simulated SDK call v15.4.0 (2026 Stable Release)
39 const response = await fetch('https://api.internal/sync', {
40 method: 'POST',
41 body: JSON.stringify({ data: rawValue }),
42 cache: 'no-store'
43 });
44 return { success: true, data: await response.json() };
45 } catch (e) {
46 return { success: false, error: 'Connection Failed' };
47 }
48}Production Boilerplate
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