React Router Surveys installation

npm install --save posthog-js @posthog/react

// ... imports

export default defineConfig({
  plugins: [tailwindcss(), reactRouter(), tsconfigPaths()],
  ssr: {
    noExternal: ['posthog-js', '@posthog/react'],
  },
});

import { startTransition, StrictMode } from "react";
import { hydrateRoot } from "react-dom/client";
import { HydratedRouter } from "react-router/dom";
import posthog from "posthog-js";
import { PostHogProvider } from "@posthog/react";

posthog.init("<ph_project_token>", {
  api_host: "https://us.i.posthog.com",
  defaults: "2026-01-30",
});

startTransition(() => {
  hydrateRoot(
    document,
    <PostHogProvider client={posthog}>
      <StrictMode>
        <HydratedRouter />
      </StrictMode>
    </PostHogProvider>,
  );
});

posthog.capture('my_custom_event', { property: 'value' })