Integrate Surface Forms with Next.js

1. Embed the Surface Form

Using iFrame

<iframe
    id="surface-iframe"
    src="<your_form_link>"
    frameborder="0"
    allowfullscreen>
</iframe>

Using Script (Recommended)

Go to your Next.js project and create a new file surfaceForm-script.tsx and add the following code:

/* eslint-disable @typescript-eslint/no-explicit-any */
 "use client";
 import Script from "next/script";
 import { useEffect, useState } from "react";

 declare global {
 interface Window {
     SurfaceEmbed: any;
     showSurfaceForm: any;
 }
 }

 export type SurfaceEmbedType = {
 formUrl: string;
 popupSize?: "small" | "medium" | "large";
 children?: React.ReactNode;
 };

 export function SurfaceFormScript() {
 return (
     <Script
     src="https://cdn.jsdelivr.net/gh/trysurface/scripts@latest/surface_tag.min.js"
     type="application/javascript"
     strategy="afterInteractive"
     onLoad={() => {
         // @ts-expect-error - SurfaceEmbed is available on the global window object
         window.SurfaceEmbed = SurfaceEmbed;
     }}
     />
 );
 }

 export default function ShowSurfaceForm({
 formUrl,
 popupSize
 }: SurfaceEmbedType) {
 const [isFormInitialized, setIsFormInitialized] = useState(false);
 useEffect(() => {
     if (!isFormInitialized) {
     
     const SurfaceConstructor = new window.SurfaceEmbed(
         formUrl,
         "popup",
         "surface-form-button"
     );
     if (popupSize) {
         SurfaceConstructor.popupSize = popupSize;
     }
     SurfaceConstructor.embedSurfaceForm();
     window.showSurfaceForm = () => {
         SurfaceConstructor.showSurfaceForm();
     }
     setIsFormInitialized(true);
     }
 }, [formUrl, isFormInitialized, popupSize]);
 return null;
 }

This script extends a function window?.showSurfaceForm() which can be used to open the form programmatically.

For App Router Now let’s add the SurfaceFormScript() component to the app/layout.tsx file:

export default function RootLayout({
children,
}: Readonly<{
children: React.ReactNode;
}>) {
return (
    <html lang="en">

    <SurfaceFormScript /> {/* Import the SurfaceFormScript component and add here */}

    <body>

         <ShowSurfaceForm
             formUrl="your_form_url"
             popupSize="medium" {/* small, medium or large */}
         />

        {children}

    </body>
    </html>
);
}

For Page Router Now let’s add the ShowSurfaceForm component to the pages/_app.tsx file:

import Script from 'next/script'
import { SurfaceFormScript } from '../surfaceForm-script'
 
 export default function MyApp({ Component, pageProps }) {
     return (
         <>
             <Component {...pageProps} />
             <SurfaceFormScript /> {/* Import the SurfaceFormScript component and add here */}
         </>
     )
 }

Give a className to the button or div where you want to show the form:

<div className="surface-form-target"></div>

In the same file where you want to show the form, import <ShowSurfaceForm /> component and add the following code:

export default function Home() {
    return (
        <div>
            <button className="surface-form-button or surface-form-target">Open Form</button>
        </div>
    );
}

If you want to open the form programmatically, you can use the following code:

export default function Home() {
    return (
        <div>
            <button onClick(() => window?.showSurfaceForm())>Open Form</button>
        </div>
    );
}

2. All done!

You have successfully integrated Surface Forms with your Next.js application. You can now embed forms in your Next.js application.

Developers

​1. Embed the Surface Form

​2. All done!

1. Embed the Surface Form

2. All done!