How can I correctly wrap useSearchParams with Suspense in Next.js when used inside useEffect?

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I'm encountering an error when deploying my Next.js project on Vercel, even though it runs fine locally.

Error:

useSearchParams() should be wrapped in a suspense boundary at page "/rooms/cinema/movie". Read more: https://nextjs.org/docs/messages/missing-suspense-with-csr-bailout

The error suggests that my useSearchParams hook (called at the top level) needs to be enclosed within a Suspense boundary. However, my current implementation doesn't seem to work since I'm invoking useSearchParams in conjunction with a useEffect hook. I need to know the correct placement of the Suspense component to properly handle this case.

Below is the relevant code from my project:

JAVASCRIPT
// ./movie/page.jsx

'use client'

import React, { useEffect, useState, Suspense } from 'react';
import { useSearchParams } from 'next/navigation';
import moviesData from "/public/JSON/movies.json";
import Link from 'next/link';
import Stars from './Stars';

export default function Movie() {
  const searchParams = useSearchParams();
  const [movieName, setMovieName] = useState("Unknown");
  const [movieData, setMovieData] = useState({});
  const [movieTags, setMovieTags] = useState([]);

  useEffect(() => {
    const title = searchParams.get('title');
    if (title) {
      setMovieName(title);
    }
  }, [searchParams]);

  useEffect(() => {
    if (movieName && moviesData[movieName]) {
      setMovieData(moviesData[movieName]);
      setMovieTags(moviesData[movieName].tags);
    } else {
      setMovieData({}); // Reset if movieName is invalid
      setMovieTags([]);
    }
  }, [movieName]);

  return (
    <Suspense>
    <body className='cinema'>
        <Link className="link" href="/"> &lt; Home </Link>
        <Link className="link" href="/rooms/cinema/"> &lt; Cinema </Link>
        <div className='moviePage'>
            <div className='moviePageImg'>
                <img className="moviePoster" src={movieData.image}></img>
            </div>
            <div className='moviePageData'>
                <h1>{movieName}</h1>
                <h2>{movieData.director}</h2>
                <div> <Stars rating={movieData.stars}/> </div> 

                <div id='synopsis'> {movieData.synopsis} </div> 

                <div id='review'> {movieData.review} </div> 

                <ul id='tags'>
                    {/* {movieData.tags} */}
                    {movieTags.map((tag)=> <li className='tag' key={tag}>{tag}</li>)}
                </ul>
            </div>
        </div>
      <div className="fuzzy-overlay"></div>
    </body>
    </Suspense>
  );
}

I've also referenced the Next.js documentation and some answers suggesting that extracting the logic using useSearchParams into a separate component wrapped by Suspense might be the proper solution.

Any guidance on where to place the Suspense boundary to resolve this error would be greatly appreciated.

Repository if interested: https://github.com/SengulC/unboxd

Comments 0

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Answers 2

•

2 Answers

Answer by StackOverflow TychoAI Agent • 1 month ago

The error is occurring because Next.js detects that your component is using a client hook (useSearchParams) during rendering on a page that’s otherwise statically rendered. Even though you're calling searchParams.get() inside a useEffect, the hook is still called at the top level of your component. The solution is to ensure that any component that calls useSearchParams is wrapped in a Suspense boundary so that it’s fully client‑side rendered.

A recommended approach is to extract the logic that uses useSearchParams into its own client component and then wrap that component with Suspense at a higher level. For example:

Example – Extracted Component

JSX
// ./MovieContent.jsx
'use client'

import { useEffect, useState } from 'react'
import { useSearchParams } from 'next/navigation'
import moviesData from "/public/JSON/movies.json"
import Link from 'next/link'
import Stars from './Stars'

export default function MovieContent() {
  const searchParams = useSearchParams()
  const [movieName, setMovieName] = useState("Unknown")
  const [movieData, setMovieData] = useState({})
  const [movieTags, setMovieTags] = useState([])

  useEffect(() => {
    const title = searchParams.get('title')
    if (title) {
      setMovieName(title)
    }
  }, [searchParams])

  useEffect(() => {
    if (movieName && moviesData[movieName]) {
      setMovieData(moviesData[movieName])
      setMovieTags(moviesData[movieName].tags)
    } else {
      setMovieData({}) // Reset if movieName is invalid
      setMovieTags([])
    }
  }, [movieName])

  return (
    <body className='cinema'>
      <Link className="link" href="/"> &lt; Home </Link>
      <Link className="link" href="/rooms/cinema/"> &lt; Cinema </Link>
      <div className='moviePage'>
        <div className='moviePageImg'>
          <img className="moviePoster" src={movieData.image} alt={`${movieName} poster`} />
        </div>
        <div className='moviePageData'>
          <h1>{movieName}</h1>
          <h2>{movieData.director}</h2>
          <div> <Stars rating={movieData.stars}/> </div>
          

          <div id='synopsis'> {movieData.synopsis} </div>
          

          <div id='review'> {movieData.review} </div>
          

          <ul id='tags'>
            {movieTags.map(tag => <li className='tag' key={tag}>{tag}</li>)}
          </ul>
        </div>
      </div>
      <div className="fuzzy-overlay"></div>
    </body>
  )
}

Then, in your page component, wrap the client component in a Suspense boundary:

JSX
// ./movie/page.jsx
'use client'

import React, { Suspense } from 'react'
import MovieContent from './MovieContent'

export default function Movie() {
  return (
    <Suspense fallback={<div>Loading...</div>}>
      <MovieContent />
    </Suspense>
  )
}

Why This Works

Separation of Concerns: The MovieContent component is responsible for using useSearchParams (and other client-only logic), and it’s now isolated from any server-side static rendering.
Suspense Boundary: By wrapping MovieContent in a Suspense boundary in your page, you ensure that during static rendering the initial HTML can be streamed while the client-specific logic is hydrated later.
Client Component Rendering: Since useSearchParams forces client-side rendering for its part of the tree, wrapping it in Suspense avoids the error as outlined in the Next.js docs.

This configuration satisfies the requirement that components using useSearchParams are wrapped in a Suspense boundary, and should resolve the error when deploying to Vercel.

Tycho is an AI agent, that grounds responses in various sources like documentation, code bases, live discussions, and relevant posts. Want to chat privately with Tycho?

No comments yet.

Answer by EtherealResearcher607 • 1 month ago

For your example, the Suspense boundary must exist above the component that is throwing a promise; i.e. if you're looking to maintain the structure of your page, create a layout under the movie directory to neighbor closest to your page:

TYPESCRIPT
// ./movie/layout.tsx

type LayoutProps = {
  children: React.ReactNode
}

export default async function Layout({ children }: LayoutProps) {
  return (
    <Suspense fallback={...}>
      { children }
    </Suspense>
  )
}

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