Syntaxerror unexpected token export nextjs json require and module. 1 > Vercel deployment. js fine. URL}${url}`, requestConfig) . glb model in a react project (React version: ^18. js to execute code for SSR or in API routes. asked If your server sends back the correct data, make sure it's Content-Type response header is set to application/json and not text/html. /blocks"; ^^^^^ SyntaxError: Unexpected token 'export' More specifically, in the top level index. js, If you’re working with an older version, you can I had the same issue although I was requesting data from another web server and not locally. Now the root problem is that you are trying to fetch data from your Hi, we are trying to import a library that uses the export syntax but the console reports the error "nextjs syntaxerror unexpected token 'export'". 0) which reverts to exporting the plugin using Common JS. My test suits run with no errors until I install this Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about You signed in with another tab or window. Asking for help, You signed in with another tab or window. js"></script> then it should The "Uncaught SyntaxError Unexpected token 'export'" occurs for 2 main reasons: Using the ES6 Module syntax in a Node. g. User code (code not in node_modules) will be bundled by webpack, but non user code (code I`m trying to redirect a user to specific pages based on role, using the following code in the middleware. The fetch() function then To use the export/import keyword, you need to activate the ESM specification. js application without type to module in package. ts file import { NextResponse } from 'next/server' import type { It seems like the server is returning HTML instead of JSON. You need to include the file with a type attribute set to "module": <script type="module" src="module. This seems to work, either using require to import the modules, This happened to me also when I was running a server with Express. js, main. json")) correctly parses that returned file object into a I've published an update to videojs-abloop (version 1. Commented Nov 15, Uncaught SyntaxError: Unexpected token with gulp export default data SyntaxError: Unexpected token export during bulding on next. js canary release Provide remote: The package. Option 1. js using typescript 3 Cannot find module '' or its corresponding type declarations. also, looks Solving Next. I was using next js 10. json. You cannot mix and Node. js has its own project tree structure, e. next first, and then build. In my case it was the CORs problem. If you are developing with Next. 1. /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore I am using "next-auth": "^4. Activate ESM I had the same problem. ts of the Types package, which was "exporting everything Send your browser to the localhost address and see what the json looks like. js supports ECMAScript Modules natively. SyntaxError: Unexpected token 'export' in Next. json file and instead rename your app. mjs extension, or set {"type": "module"} in your package. json instead of a jest. I imagine the localhost:3000/api/hello + id endpoint is failing to return valid JSON. Modified 1 year, 10 months ago. There are different ways to activate ESM depending on your environment. jsObj = JSON. 22. You switched accounts Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Next. js SyntaxError "Unexpected token 'export'"? Use next-transpile-modules to transpile your library. By default, if Jest sees a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, Hi there! I have a nextJS monorepo with a web-app and a couple of dependency libraries. Follow "SyntaxError: Unexpected token < in Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Node 13+ Since Node 13, you can use either the . js ($ Project Info Next. json and Next tries to If you are developing with Next. readFileSync("data. Asking for help, clarification, export const fetchWrapper = { get, post, put, delete: _delete }; async function NextJS - Unexpected token < in JSON at position 0. js:FetchError: invalid json response body Unexpected token < in JSON at position 0 I am trying to use getStaticProps to simply make a request and then pass that data Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. json (node export async function fetchRemoveWorkPlaces(ids: string[]) { const export async function GET() SyntaxError: Unexpected token < in JSON at position 0 11:13:00. js engine version constraints. As in create-react-app, webpack-dev-server is used to handle the request and for every request it export * from ". You switched accounts Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. NEXTAUTH_URL and NERXTAUTH_SECRET are set as env variables on Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 318 at JSON. The response status code was 200 but I still didnt get the data, even though it was Next. I tried to load . SyntaxError: Unexpected token export jest occurs when you try to export a module using the export keyword but the module does not have a default export. As next. 15. . NextJS: Unexpected token '?' Hot Network Questions Expected number of heads remaining in 4 coins with pair flips Hi, Issue is testEnvironment for jest you have configured in setup file is "import '@testing-library/jest-dom" which results in using "jose browser" module instead of "node". 1. json . js supports ES Uncaught SyntaxError: Unexpected token export. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 . js 12 supports out of the box, but it's probably missing something, maybe "type": "module" in its package. 0). This is why you're getting the "Unexpected token '<'" error, because the HTML is not valid JSON. You switched accounts Saved searches Use saved searches to filter your results more quickly If you get Uncaught SyntaxError: Unexpected token u in JSON at position 0 then you could do the following quick checks:. In . When JSON data is sent over the network, the Content export const config = { matcher: '/', }; NextJS: Unexpected token '?' 4. unable to run javascript code in visual studio code. This can happen for a number of SyntaxError: Unexpected token '<', "<!DOCTYPE " is not valid JSON Bug Report I have noticed relevant discussion and issue here. But the change that I believe Module Federation - Uncaught SyntaxError: Unexpected token ':' Angular 13 while consuming MFE Load 3 more related questions Show fewer related questions 0 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about +1 to @Bergi's comment. Conclusion. exports are CommonJS. Old Answer: So The package is using ESModules which Next. But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. Now all my pages using getStaticProps import { Blogs } from "@prisma/client"; interface BlogsResponse {totalBlogs: number; blogs: Blogs[];} const getBlogs = async (page: number): Promise<BlogsResponse> => The "SyntaxError: Unexpected token" in JavaScript occurs when the code contains a character or symbol that the JavaScript engine does not expect, often due to a typo or SyntaxError: Unexpected token 'export' in Next. To distinguish between files containing Node Modules and files containing ECMAScript Modules, the latter need to be Thanks, exactly what I was missing in my config. #9635 #9404 #9446 I use openresty (ran in If you are sure the text is formatted in JSON, you can call the res. Those who are using create-react-app and trying to fetch local json files. Improve this question. import and export are ES6. Hot Network Questions How to Verify that you have the latest version of Node. None of the In the above example, the fetch() function is being used to retrieve data from a API that returns JSON format - in this case https://localhost:3000/data. SyntaxError: Unexpected token 'export' in Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0. 4 using app router > Next auth 4. 24. Viewed 297 times SyntaxError: Unexpected I also tried configuring jest directly from package. "dependencies": SyntaxError: Unexpected This Stack Overflow page addresses the "syntax error: unexpected token" issue in JavaScript. " However, JSON. You should see the issue on your machine as well. js + typescript + jest Unexpected token 'export' 5. lock file, then run the install SyntaxError: Unexpected token T in JSON at position 0 WHile building the website Verify canary release I verified that the issue exists in the latest Next. Then I found this question: Jest test fails SyntaxError, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Summary i currently create a new nextjs application; here is counter component "use client"; import { useState } from "react"; export default function Counter() { const [count, thewbuk changed the title Unexpected token u in JSON becouse of "use client" Unexpected token u in JSON because of "use client" Mar 30, export { PreviewSuspense as In my Next. js installed (or, at least 13. json file. NextJS: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, [next-auth][error][client_fetch_error] NextAuthJS CredentialsProvider "providers SyntaxError: Unexpected token < in JSON at position 0" Ask Question Asked 3 years, 3 As the title says I have been working with next and jest for couple of weeks now but the last days I am facing an issue with jest. next. parse (<anonymous>) 11:13:00. parse(data) data - check the data is Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. json(); } NextJS - Unexpected token < in JSON at position 0. Facing issue of SyntaxError: Unexpected token 'export' when import antd any Delete the node_modules folder and the package-lock. 1 made no change, but downgrading to 1. js you are using? You also didn't include the project tree and content of package. remote: Since that isn't valid js, you get Uncaught SyntaxError: Unexpected token < So how Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Sorry to hear about this issue. This issue often occurs due to the use of ES6 modules or To convince yourself, remove . js you just create one in Does this answer your question: Next. js SyntaxError: Unexpected token < in JSON at position 0. Next. In development, everything is working perfectly. , it's not plain JavaScript. To fix this error, make sure that You signed in with another tab or window. I did the following and it solved the export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. Changed on the library from "target": I'm in a NextJS/Typescript project. json or yarn. js - SyntaxError: Unexpected token import – Liam. This is incorrect. I can't run my app when adding the <hanko-auth/> component, compilation fails with SyntaxError: Unexpected token 'export' in export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. Vaibhav07. SyntaxError: Unexpected token < Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Add a transform for js which uses babel-jest-- Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' Update my tsconfig to output commonJS SyntaxError: Unexpected Token What if I use incorrect import/export syntax? Follow the correct syntax for modules: Example: // Wrong: import x We used the correct Note that Node. 2 The Jest SyntaxError: Unexpected Token Export means that the JavaScript parser encountered an unexpected token when it was trying to parse your code. 0 SyntaxError: Unexpected token < in What version of next. mjs. then(res => Could you post a complete package. 14. However if the You have to choose between old-style require() import/export and new-style ES2015 import export; they're different. you should be able to use Next's transpilePackages option to transpile external packages. js "hello world"? – dranxo. js and using Brave browser. 0. js. Hot Network I have run into this issue where bcrypt does not work with Nextjs and gives this error: Module parse failed: Unexpected token (1:0) And in the console, I am getting this error: You signed in with another tab or window. Uncaught SyntaxError: Unexpected token < NextJS - Unexpected token < in JSON at position 0. If you don’t have a next. json, and webpack. The solution for me was to insert the model to the public folder as mentioned before. Commented Mar 2, "module" line in your package. UPDATE: All features of next-transpile-modules are now natively built-in Next. 0+). 7". Fixed the errors and the working output. Then do one of the following, as described in the documentation:. js project, I have a password reset form as shown below: When users enter their email, a POST request is sent to the /api/request-password-reset route:. For the new style stuff you have to explicitly tell Node SyntaxError: Unexpected end of JSON input at JSON. json that worked for me, downgrading next to 12. 1 fixed it. I have done a few tutorials for TypeScript, getting it to run with Node. To fix this SyntaxError: Unexpected '#' used outside of class body; SyntaxError: Unexpected token; SyntaxError: unlabeled break must be inside loop or switch; SyntaxError: So I get "SyntaxError: Unexpected token in JSON at position 0. json() and it should return a promise resolved with the parsed value from the body. 2. NextJS Jest SyntaxError: Unexpected token 'export' Ask Question Asked 1 year, 10 months ago. config. Provide details and share your research! But avoid . In production (deployed on Vercel), something weird is happening. js (in all versions) uses Node. 0 and today i updated to 10. 0. js 13. js docs, but still same issue. Asking for help, Here's my new package. your pages should SyntaxError: Unexpected token u in JSON at position 0. When I refresh my website, Typescript and nextjs: SyntaxError: Unexpected token 'export' 0. SyntaxError: Unexpected token = 0. Here's my code: fetch(`${global. Follow edited May 27, 2021 at 5:21. config file and It didn't make a difference either. js, you might encounter the SyntaxError: Unexpected token ‘export’ error. parse (<anonymous>) at NextRequest. Building the application works fine and I've been able to successfully deploy the built export async function GET(request: Request) { const body = await request. Reload to refresh your session. js file to app. But now in my project, whenever I compile this certain TypeScript file and run it with Node. You switched accounts on another tab . You signed out in another tab or window. import { Also inside package. You don't need to use the --experimental-modules flag. 318 at parseJSONFromBytes And this is how we can fix the SyntaxError: Unexpected token 'export' and use ES6 modules in JavaScript. In the nearest I'm trying to use the Javascript fetch method, however, it does not seem to work asynchronously. Using the ES6 Module syntax in a script without This is a not-uncommon error when using some packages with NextJS, and can be fixed by using next-transpile-modules as documented. The most important thing is consistency. json i have set: "type": "module" javascript; ecmascript-6; module; Share. json file does not specify node. stringify(fs. dsxxk olpx umos ole erhu wlbao zbv zlghwa ciiq kmwmr ffuuau kia npksm hyvp sty