Integrate PostHog with shadcn/ui

The complete guide to connecting PostHog and shadcn/ui in Next.js 15.

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PostHog + shadcn/ui
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AI Architecture Guide

This blueprint outlines the architectural integration between Next.js 15 (Client/Server runtime) and a Type-Safe Data Layer using the 2026 stable SDK pattern. It emphasizes the shift to asynchronous request APIs, React 19 'use' hook integration, and the default uncached fetch behavior characteristic of the Next.js 15+ ecosystem.

lib/integration.ts

1import { Suspense } from 'react';
2import { connection } from 'next/server';
3import { db } from '@/lib/db-client';
4
5// Next.js 15 Page Config with Async Params
6type PageProps = {
7  params: Promise<{ slug: string }>;
8};
9
10async function DataList({ slug }: { slug: string }) {
11  // Forcing dynamic execution for real-time data connectivity
12  await connection();
13  
14  // Using 2026 Stable SDK pattern for data fetching
15  const data = await db.query.records.findMany({
16    where: (records, { eq }) => eq(records.category, slug),
17  });
18
19  return (
20    <ul>
21      {data.map((item) => (
22        <li key={item.id}>{item.name}</li>
23      ))}
24    </ul>
25  );
26}
27
28export default async function TechnicalBlueprintPage({ params }: PageProps) {
29  const { slug } = await params;
30
31  return (
32    <section>
33      <h1>Integration for {slug}</h1>
34      <Suspense fallback={<p>Streaming connection...</p>}>
35        <DataList slug={slug} />
36      </Suspense>
37    </section>
38  ); 
39}

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