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