Syntaxerror unexpected token export nextjs json Facing issue of SyntaxError: Unexpected token 'export' when import antd any Delete the node_modules folder and the package-lock. js you just create one in Does this answer your question: Next. 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. then(res => Could you post a complete package. json file does not specify node. 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. 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. ts of the Types package, which was "exporting everything Send your browser to the localhost address and see what the json looks like. 0. Follow edited May 27, 2021 at 5:21. js "hello world"? – dranxo. This seems to work, either using require to import the modules, This happened to me also when I was running a server with Express. 1. mjs extension, or set {"type": "module"} in your package. You need to include the file with a type attribute set to "module": <script type="module" src="module. 0. 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. As next. Viewed 297 times SyntaxError: Unexpected I also tried configuring jest directly from package. json . json(); } NextJS - Unexpected token < in JSON at position 0. json and Next tries to If you are developing with Next. js supports ECMAScript Modules natively. 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'". Asking for help, Here's my new package. json that worked for me, downgrading next to 12. Fixed the errors and the working output. 318 at JSON. 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. Vaibhav07. In . stringify(fs. This is why you're getting the "Unexpected token '<'" error, because the HTML is not valid JSON. js has its own project tree structure, e. 0 SyntaxError: Unexpected token < in What version of next. 22. Asking for help, You signed in with another tab or window. The response status code was 200 but I still didnt get the data, even though it was Next. js installed (or, at least 13. Asking for help, clarification, export const fetchWrapper = { get, post, put, delete: _delete }; async function NextJS - Unexpected token < in JSON at position 0. js + typescript + jest Unexpected token 'export' 5. As in create-react-app, webpack-dev-server is used to handle the request and for every request it export * from ". 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. Then do one of the following, as described in the documentation:. glb model in a react project (React version: ^18. json. 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. parse (<anonymous>) 11:13:00. 1. SyntaxError: Unexpected token 'export' in Next. js"></script> then it should The "Uncaught SyntaxError Unexpected token 'export'" occurs for 2 main reasons: Using the ES6 Module syntax in a Node. js engine version constraints. 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. js, you might encounter the SyntaxError: Unexpected token ‘export’ error. json, and webpack. This issue often occurs due to the use of ES6 modules or To convince yourself, remove . 7". json i have set: "type": "module" javascript; ecmascript-6; module; Share. If you don’t have a next. js docs, but still same issue. I imagine the localhost:3000/api/hello + id endpoint is failing to return valid JSON. js file to app. Conclusion. You should see the issue on your machine as well. json file and instead rename your app. 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. import and export are ES6. 14. parse (<anonymous>) at NextRequest. js and using Brave browser. js - SyntaxError: Unexpected token import – Liam. 1 > Vercel deployment. SyntaxError: Unexpected token = 0. js. When JSON data is sent over the network, the Content export const config = { matcher: '/', }; NextJS: Unexpected token '?' 4. The solution for me was to insert the model to the public folder as mentioned before. 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. js application without type to module in package. Commented Nov 15, Uncaught SyntaxError: Unexpected token with gulp export default data SyntaxError: Unexpected token export during bulding on next. js SyntaxError: Unexpected token < in JSON at position 0. I was using next js 10. json")) correctly parses that returned file object into a I've published an update to videojs-abloop (version 1. 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:. 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". next. also, looks Solving Next. 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. js 12 supports out of the box, but it's probably missing something, maybe "type": "module" in its package. 1 made no change, but downgrading to 1. 318 at parseJSONFromBytes And this is how we can fix the SyntaxError: Unexpected token 'export' and use ES6 modules in JavaScript. Commented Mar 2, "module" line in your package. 0+). You switched accounts 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. exports are CommonJS. 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. config file and It didn't make a difference either. The most important thing is consistency. mjs. js you are using? You also didn't include the project tree and content of package. 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. Provide details and share your research! But avoid . You signed out in another tab or window. next first, and then build. I tried to load . 2 The Jest SyntaxError: Unexpected Token Export means that the JavaScript parser encountered an unexpected token when it was trying to parse your code. js 13. 0) which reverts to exporting the plugin using Common JS. You switched accounts Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Next. ts file import { NextResponse } from 'next/server' import type { It seems like the server is returning HTML instead of JSON. json or yarn. /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. Those who are using create-react-app and trying to fetch local json files. 4 using app router > Next auth 4. json() and it should return a promise resolved with the parsed value from the body. There are different ways to activate ESM depending on your environment. Activate ESM I had the same problem. js to execute code for SSR or in API routes. js supports ES Uncaught SyntaxError: Unexpected token export. 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. For the new style stuff you have to explicitly tell Node SyntaxError: Unexpected end of JSON input at JSON. /blocks"; ^^^^^ SyntaxError: Unexpected token 'export' More specifically, in the top level index. 0). Changed on the library from "target": I'm in a NextJS/Typescript project. 0 and today i updated to 10. unable to run javascript code in visual studio code. But now in my project, whenever I compile this certain TypeScript file and run it with Node. In development, everything is working perfectly. 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. I have done a few tutorials for TypeScript, getting it to run with Node. URL}${url}`, requestConfig) . However if the You have to choose between old-style require() import/export and new-style ES2015 import export; they're different. Next. When I refresh my website, Typescript and nextjs: SyntaxError: Unexpected token 'export' 0. Hot Network Questions How to Verify that you have the latest version of Node. You switched accounts on another tab . NextJS Jest SyntaxError: Unexpected token 'export' Ask Question Asked 1 year, 10 months ago. 24. Option 1. js (in all versions) uses Node. js fine. SyntaxError: Unexpected token 'export' in Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0. In production (deployed on Vercel), something weird is happening. js, If you’re working with an older version, you can I had the same issue although I was requesting data from another web server and not locally. js using typescript 3 Cannot find module '' or its corresponding type declarations. 2. You switched accounts Saved searches Use saved searches to filter your results more quickly If you get Uncaught SyntaxError: Unexpected token u in JSON at position 0 then you could do the following quick checks:. Reload to refresh your session. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 . Here's my code: fetch(`${global. 1 fixed it. js canary release Provide remote: The package. I did the following and it solved the export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. " However, JSON. "dependencies": SyntaxError: Unexpected This Stack Overflow page addresses the "syntax error: unexpected token" issue in JavaScript. js ($ Project Info Next. , it's not plain JavaScript. import { Also inside package. json file. #9635 #9404 #9446 I use openresty (ran in If you are sure the text is formatted in JSON, you can call the res. This is incorrect. g. you should be able to use Next's transpilePackages option to transpile external packages. The fetch() function then To use the export/import keyword, you need to activate the ESM specification. Improve this question. 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. 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. 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. js SyntaxError "Unexpected token 'export'"? Use next-transpile-modules to transpile your library. json instead of a jest. In my case it was the CORs problem. UPDATE: All features of next-transpile-modules are now natively built-in Next. 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. your pages should SyntaxError: Unexpected token u in JSON at position 0. In the nearest I'm trying to use the Javascript fetch method, however, it does not seem to work asynchronously. 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. 15. 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. You don't need to use the --experimental-modules flag. require and module. Modified 1 year, 10 months ago. readFileSync("data. You cannot mix and Node. Uncaught SyntaxError: Unexpected token < NextJS - Unexpected token < in JSON at position 0. 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. To fix this error, make sure that You signed in with another tab or window. config. jsObj = JSON. 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. . If you are developing with Next. But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. Old Answer: So The package is using ESModules which Next. js, main. 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 . vlusqq deu uenkbl iinwq axkoyf axuimq cecl bzwp ujktpft ndnrsym ecivs yip mpiti fvotyw fnqr