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Next.js component for VWO SmartCode integration

npm version

Overview

The VWO SmartCode Next.js package enables seamless integration of VWO SmartCode into Next.js applications. This component is designed to work with both Page Router and App Router, allowing developers to integrate VWO SmartCode efficiently.

Installation

Install the package using npm or yarn:

# via npm
npm install vwo-smartcode-nextjs

# via yarn
yarn add vwo-smartcode-nextjs

Usage

Page Router (Legacy pages/ Directory)

For applications using the Page Router, add the VWOScript component inside _document.js (or _document.tsx if using TypeScript) to include it in the <head> of your HTML document.

// pages/_document.js
import Document, { Html, Head, Main, NextScript } from 'next/document';
import { VWOScript } from 'vwo-smartcode-nextjs';

class MyDocument extends Document {
  render() {
    return (
      <Html>
        <Head>
          <VWOScript accountId="YOUR_ACCOUNT_ID" />
        </Head>
        <body>
          <Main />
          <NextScript />
        </body>
      </Html>
    );
  }
}

export default MyDocument;

App Router (app/ Directory)

For applications using the App Router, include the VWOScript component in layout.tsx to ensure it loads correctly within the <head> of your HTML document.

// app/layout.tsx
import { VWOScript } from 'vwo-smartcode-nextjs';

export default function RootLayout({ children }: { children: React.ReactNode }) {
  return (
    <html lang="en">
      <head>
        <VWOScript accountId="YOUR_ACCOUNT_ID" />
      </head>
      <body>{children}</body>
    </html>
  );
}

Using Nonce

To add a nonce attribute for Content Security Policy:

<VWOScript
  accountId="YOUR_ACCOUNT_ID"
  scriptAttributes={{
    nonce: 'your-nonce-value',
  }}
/>

Props

The VWOScript component accepts the following props:

Prop Type Required Default Description
accountId string ✅ Yes null Your VWO account ID
type 'ASYNC' | 'SYNC' No 'ASYNC' Type of VWO script loading
settingsTimeout number No 2000 Timeout for settings initialization
hideElement string No 'body' CSS selector for the element to be hidden
hideElementStyle string No 'opacity:0 !important;filter:alpha(opacity=0) !important;background:none !important' CSS styles applied to the hidden element
scriptAttributes Record<string, string> No {} Additional attributes to be added to the script tag. Note: id will be overridden and referrerPolicy will be overridden in case of SYNC SmartCode

Authors

Development and Testing

Install Dependencies

yarn install

Compile TypeScript to JavaScript

yarn build

Contributing

We welcome contributions to improve this package! Please read our contributing guidelines before submitting a PR.

Code of Conduct

Our Code of Conduct outlines expectations for all contributors and maintainers.

License

Apache License, Version 2.0

© 2025 Wingify Software Pvt. Ltd.