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@flusterduck/next

v0.5.2

Published

Flusterduck Next.js integration

Readme

@flusterduck/next

Next.js integration for Flusterduck. Includes a FlusterduckScript component for script-tag based loading and a useFlusterduck hook for SDK-based initialization with SSR safety built in.

Installation

npm install flusterduck @flusterduck/next

Script component (recommended)

Add FlusterduckScript to your root layout. It renders a next/script tag with strategy="afterInteractive" and passes config via data-* attributes.

// app/layout.tsx
import { FlusterduckScript } from '@flusterduck/next';

export default function RootLayout({ children }: { children: React.ReactNode }) {
  return (
    <html lang="en">
      <body>
        {children}
        <FlusterduckScript
          apiKey="fd_pub_..."
          environment="production"
        />
      </body>
    </html>
  );
}

Props:

| Prop | Type | Description | |---|---|---| | apiKey | string | Publishable key (fd_pub_...) | | environment | string | Tag events by environment | | debug | boolean | Enable console debug output | | cookieless | boolean | Use memory-only session IDs instead of cookies | | sampleRate | number | Fraction of sessions to track (0-1) | | segment | Record<string, string> | Segment all events from this load |

Hook usage

For App Router client components or when you need programmatic control:

'use client';

import { useFlusterduck } from '@flusterduck/next';

export function CheckoutForm() {
  const { signal, track, setConsent, optOut } = useFlusterduck({
    key: 'fd_pub_...',
    environment: 'production',
  });

  return (
    <button onClick={() => signal('checkout_abandoned')}>
      Cancel
    </button>
  );
}

The hook is SSR-safe. It checks typeof window before initializing and never runs on the server.

Consent gating

'use client';

import { useFlusterduck } from '@flusterduck/next';

export function ConsentBanner() {
  const { setConsent } = useFlusterduck({
    key: 'fd_pub_...',
    enabled: false,
  });

  return (
    <button onClick={() => setConsent(true)}>Accept</button>
  );
}

API

signal(name: string, data?: { element?: string; metadata?: Record<string, unknown> }): void
track(name: string, metadata?: Record<string, unknown>): void
identify(segment: Record<string, string>): void
setConsent(consented: boolean): void
optOut(): void

All Config options from the core flusterduck package are supported.