Unexpected token nextjs json. Viewed 2k times 3 . next first, and then build. Related. Follow edited Mar 3, 2023 at 11:35. 4. js app on GCP, even when using the latest Node. This is not working in nextjs. Additionally, in the details section of the test output, I see: I didn't work much with NexTJS so please pardon me if I'm missing something. 885. I followed a tutorial about NextJS and have now tried to modify it a bit. js ($ node src/options. SyntaxError: Unexpected token < in JSON at position 0. Modified 3 years, 3 months ago. test. 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. SyntaxError: Unexpected token 'export' on NextJS auth integration 4 [next-auth][error][adapter_error_getUserByAccount]; Cannot read properties of undefined (reading 'findUnique') You can use code like this: import React from 'react'; import ReactDOM from 'react-dom'; var LikeOrNot = React. Sign in Product GitHub Copilot. 3 and now the Link Solving Next. Navigation Menu Toggle navigation. js implements its own optimized jsx transform) – programandoconro. Typescript with Next throwing unexpected token. 5. 37. 0 experimental features. 4. 3. Your Answer Reminder: Answers generated by artificial intelligence We cannot recreate the issue with the provided information. Man wakes up in future, all the people living on earth are stupid, clever people live underground at S pole Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Next-auth - SyntaxError: Unexpected token '<', "<!DOCTYPE " is not valid JSON. How do I conditionally add attributes to React components? 9. Hey! I have the same a problem, how did you solve that? You signed in with another tab or window. Sign in Product NextJS SyntaxError: Unexpected token 'export' Ask Question Asked 3 years, 3 months ago. I have had a look at the HTML for absolute paths as suggested in other threads and see that the path points to [Solved] SyntaxError: Unexpected token ‘. When I refresh my website, about 1/4 of the time, I get a [next-auth][error][CLIENT_FETCH_ERROR] error, the other 75% of the time, I just get a status code 200 or 304 and the session is returned (or an empty object if I Unexpected token when importing from dependency written in TypeScript #10497. Babel 6 CLI: Unexpected token export? 1. How should I Uncaught SyntaxError: expected expression, got '<' while using Next. 4 didn't have this issue. ts file. matcher: Hence that Uncaught SyntaxError: Unexpected token < error thrown because of the HTML received. js using typescript 3 Cannot find module '' or its corresponding type declarations. In development, everything is working perfectly. React and NextJS: Module parse failed: Unexpected token. babelrc in a parent directory and is being applied. js: const Unexpected token (1:0) You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. . defineProperty called on non-object You signed in with another tab or window. css'; | ^ 4 | 5 | I have webpack, babel, jest, enzyme all configured but googling tells me there's a difference between running the app (via webpack) and using . nextjs should not cri about "u" in "use client". Getting Uncaught SyntaxError: Invalid or unexpected token when running next 14. css files for some reason and therefore I'm still getting the "SyntaxError: Unexpected token '<'" error. js with typescript fails with unexpected token `?` 0. Also, getStaticProps does not have access to the incoming request (such as query parameters or HTTP headers) see getStaticProps docs. import When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. 1 I can set swcMinify: false and everything compiles without issue. Uncaught Error: Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function but got: object. 6. 532 Node. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company ERROR in . This issue often occurs due to the use of ES6 modules or I'm trying to write a test case in a NextJS application using Jest. js project, an error occurred: SyntaxError: Unexpected token & &. As pointed out in the comments by @Baz, you can also use Babel as an alternative solution. SyntaxError: Unexpected token '<' in Node. Hot Network Questions story read in 1960/70s ?anthology. On running the test, below error occurs: /Users/abhajan/Work/Tusk/tusk-app/node_modules/uuid/dist/esm-browser/index. NextJS: Unexpected token '?' 4. This article explains the possible causes and export default data SyntaxError: Unexpected token export during bulding on next. Why was this issue marked with the incomplete label?. 0. json I'm refering to this Babylon documentation and using the examples verbatim. next. In 14. SyntaxError: Unexpected token. SyntaxError: Unexpected token 'export' in Next. 11. You just need to use cjs module. Uncaught SyntaxError: Unexpected token '<' express typescript. Unexpected token 'export' when used in NextJs #440. js - SyntaxError: Unexpected token syntaxError: Unexpected token 'export' module. I use NextAuth, NextJS - getToken always return null in middleware function. css files, which would need to be configured When I set swcMinify: false I get Unexpected token: punc ({too. philmetzger opened this issue Mar 13, 2019 · 5 comments Comments. Hot Network Questions How can I add a user to the same groups as another user? When were videos first commonly downloaded on the Internet? Invalid or unexpected token for images inside node-modules/ I use an npm module (react-images-upload) that uses an SVG icon internally. Element => ( with it How to solve SyntaxError: Cannot use import implementing Magic with NextJS in a Typescript setup? 2. Thank you @mauroreisvieira!But Next. 9 Cannot fix "Unexpected token name «i», expected punc «;»" from UglifyJs. for nextjs you need to create a _document. js, you might encounter the SyntaxError: Unexpected token ‘export’ error. I wanted to include the data. 1. exports = require("@babylonjs/core") I'm using the standard nextjs setup with tsconfig. Viewed 772 times 0 . I've seen multiple similar issues and it seems to boil down to that. Webpack/Babel ES6 error: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Uncaught SyntaxError: Unexpected token '<' when matching all routes in Next. Still, during the time of calling the js file, it was prompting me an uncaught exception in the console. Expec SyntaxError: Unexpected token { when importing an npm package. Node. and in fact, according to JJ Kasper's reply this is because of a change in build in Next 9! Uncaught SyntaxError: Unexpected token '<' when matching all routes in Next. If you are developing with Next. js - SyntaxError: Unexpected token import. in any code path that gets invoked on the server. The package works fine with the svg icon, unless I reload the specific page where that pachage is used, or write its url Unexpected token export when running `nx serve <app>` (next) Hi there! I have a nextJS monorepo with a web-app and a couple of dependency libraries. SyntaxError: Unexpected token '?' Problem for run my next application. json file in the page. You signed out in another tab or window. Expected Behavior. Parsing error: Cannot find module 'next/babel' 3. @ahmadawais if you're using SSR, then you'll need to ensure you're not calling getCLS(), getFID(), getLCP(), etc. 8 $ npx create-next-app nextjs- Skip to content. I have 2 modules in a mono-repo with 2 web applications using ReactJS, NextJS: /project |- api/ |- web/ next. Window is not defined in Next. js Module parse failed:Unexpected token (13:16) You may need an appropriate loader to handle this file type. js middleware. ModuleParseError: Module parse failed: Unexpected character ' ' (1:0) in nextjs. My change in v0. Unexpected Token <' when trying to achieve that? Here is the nginx config code: server Nextjs path invoked from browser return 404 (Nextjs, NGINX) 0 Missing a href in next. 8. Now, I want to use Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog When I put "use client" at the top of a file next begins to cry about " SyntaxError: Unexpected token u in JSON at position 0". I'm trying to write a test case in a NextJS application using Jest. 0. You switched accounts on another tab or window. 1. Failed to load config "next/babel" to extend from eslintrc. HI, hopefully this is the right place to help but I am having trouble importing the npm package drei when using nextjs, i am importing it like this: import { OrbitControls, StandardEffects, draco } Skip to content. When I want to start my NextJS web server (npm run dev) and the following error message appears: showAll: args["--show-all"] ?? false, SyntaxError: Unexpected token '?' at Failed at the nextjs-blog@0. 1 | import React from 'react'; 2 | import PropTypes from 'prop-types'; > 3 | import '. Building the application works fine and I've been able to successfully deploy the built code. This happens on 14. Asking for help, clarification, or responding to other answers. rmilejcz opened this issue Feb 11, 2020 · 6 comments Comments. 13. My test suits run with no errors until I install this package: fir You signed in with another tab or window. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. /src/index. Ask Question Asked 1 year, 2 months ago. js Run npm run build Current vs. Viewed 6k times 2 . you're welcome @zemuldo! Actually I found a better solution. config. I have a library that works flawless on a app using react-create-app. The js path which I provided inside my HTML file was correct. 1 NPM 6. Share. Hot Network Questions the filesystem root has only 500MB NextJS - Unexpected token < in JSON at position 0. also, looks like FetchError: invalid json response body reason: Unexpected token < in JSON at position 0 - nextjs. answered Mar 3 Typescript and nextjs: SyntaxError: Unexpected token 'export' 2. Bug report Describe The JavaScript exceptions "unexpected token" occur when the parser does not see a token it recognizes at the given position, so it cannot make sense of the structure of the program. Copy link philmetzger commented Mar 13, 2019 • . 0 dev script. Unexpected token 'export' 10 | import { useAccount, useBalance, useNetwork, useProvider } from "wagmi"; 11 | Test Result; create new nextjs application, import { Lifecycle } from '@library' KO: SyntaxError: Unexpected token 'export' create new nextjs application, import { Lifecycle } from '@library', add next plugin next-transpiling-module stack overflow KO: TypeError: Object. 1 NextJs Render Erorrs. 0 just made sure no browser-only APIs were invoked when importing web-vitals, but browser APIs (e. 0 and no Skip to Next. I have a private package that exports svg files and should be use these using img tags with src. I used to use this library with react, and everything gones fine. 13. This might be a simple typo. Thankfully this behaviour has changed on v9. This happens e. 14. Please add a reproduction in order for us to be able to investigate. Commented Sep 28, 2022 at 5:46. js:1 Uncaught SyntaxError: Unexpected token '&lt;' framework- This coincides with some other, similar issues popping up with unexpected token errors in css imports from node_modules with next (see, for example, vercel/next-plugins#266, vercel/next-plugins#498). Next js application cannot run react module. You signed in with another tab or window. I found this discussion and will be closing this issue to follow there. 24. js 11 but not 12. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company You signed in with another tab or window. While integrating react-syntax-highlighter into my next-js project I've used the following code: import { Prism as NextJS: Unexpected token '?' 4. Using babel means that you won't have to change your code, which can make things easier on you if you're using public field declarations a lot throughout your project. js'; ^^^^^^ SyntaxError: Unexpected t I am using "next-auth": "^4. Write better code with AI Security. js SyntaxError: Unexpected token < in JSON at position 0. Typescript and nextjs: SyntaxError: Unexpected token 'export' 1. , it's not plain JavaScript. 9 NextJS - window is not defined. So you are getting . ’ One of the challenges you may face with NextJS is when testing component that uses NextJS built-in hooks such us useParams NextJS: Unexpected token '?' Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this question via email, Twitter, or Facebook. Uncaught SyntaxError: Invalid or unexpected token :3000/_next/static/c NextJS 13. g. In my case, I applied middleware by blacklist, like this. There is likely additional logging output above. You should see the issue on your machine as well. 3 locally. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Viewed 5k times 0 . PerformanceObserver) are required when running those methods, so the best During the build process of a recently upgraded Next. This coincides with the release of Next 9. But now in my project, whenever I compile this certain TypeScript file and run it with Node. 2 UglifyJs Unexpected token: keyword «const» Webpack 4. 0 React and NextJS: Module parse failed: Unexpected token. Hot Network Questions How strong is a Turing Machine that can't control its head movement? Using savings to buy a house to move into before divorce process is initiated The test suite fails because, "Jest encountered an unexpected token". Unexpected token < in JSON at position 0 means the JSON returned by the API is not valid. Syntax error: Unexpected token 2 | 3 | class CustomDocument extends Document { > 4 | return = (): JSX. js. Hot Network Questions NextJS - Unexpected Token Import. Modified 1 year, 2 months ago. Hello @nihal-zaynax, thank you for reporting this problem!The issue seems to be caused by a design decision made by nextjs not to transpile ES6 packages from node_modules. Hot Network Questions When to you use Perfekt and Präteritum for Modalverbs? Typescript and nextjs: SyntaxError: Unexpected token 'export' 0. 0 Webpack - UglifyJs RangeError: Maximum call SyntaxError: Unexpected token import #6642. ts)), it get a "SyntaxError: Unexpected token ':'" I was facing the same issue recently. 848. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 . Don't know if my problem is related to Supabase or NextJS but I guess it could be useful to share this here. 2. js file. Next. Related questions. html. Ask Question Asked 5 years, 2 months ago. Typescript and nextjs: SyntaxError: Unexpected token 'export' 5. js build preview via Netlify GitHub integration is has numerous console errors rendering the site unusable: webpack-211c438de79acdca. Viewed 3k times 9 . Why doesn't my function deploy to Google Cloud Platform? See more linked questions. 7". React Unexpected token < - babel loader. Open Copy link ooys commented Feb 4, 2022. Uncaught SyntaxError: Unexpected token '<' when using Next Middleware. Ask Question Asked 1 year, 9 months ago. FAIL __tests__/HomePage. Why Uncaught SyntaxError: Unexpected token You signed in with another tab or window. Modified 1 year, 9 months ago. I`m trying to redirect a user to specific pages based on role, using the following code in the middleware. Modified 3 years, 11 months ago. /core/core. To solve this, you need to eject the app and modify the webpack-dev-server configuration file. 320. I could get the tests running thanks to this answer just by adding: NextJS: Unexpected token '?' Hot Network Questions Is the surface of a cone flat? Film about a woman who is murdered and rebuilt as a cyborg The only isosceles triangle with a special construction Does the Sun reflect light? Nuclear fusion question Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. js you just create one in If you are developing with Next. Dynamic routing not working as expected in Nextjs. js, you might encounter the SyntaxError: Unexpected token ‘export SyntaxError: Unexpected token '<' - NextJS SVG doesnt work I&#39;m using a personal package that have some components and svgs. As in create-react-app, webpack-dev-server is used to handle the request and for every request it serves the index. js:1 ({&q This error could be caused by a number of issues and is related to Jest wanting to process CommonJS code. Follow I have done a few tutorials for TypeScript, getting it to run with Node. Find and fix It's strange that "Unexpected token" doesn't have a "<" following it. js link. js 12 is using SWC not Babel, it is working with me on Next. Uncaught SyntaxError: Unexpected token '<' However running the same image via docker run , in non k8s, works fine. Build errors in NextJS in __webpack_require__ 3. npm ERR! A complete log of this run can be found in: npm ERR! To convince yourself, remove . Reload to refresh your session. Copy link rmilejcz commented Feb 11, 2020. I have npm: 9. js:FetchError: invalid json response body Unexpected token < in JSON at position 0. js React app. Now the root problem is that you are trying to fetch data from your This is a not-uncommon error when using some packages with NextJS, and can be fixed by using next-transpile-modules as documented. If you don’t have a next. react Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company SyntaxError: Unexpected token 'export' After reading lots of posts and info about it I found this issue very helpful which allowed me to find the solution which is dynamic imports, I will share the solution below of how I solved it. css files vs running tests that can read . js fine. js version 18. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. JSX works out of the box, that is the most usual reason I have seen for not working. I am trying to use getStaticProps to simply make a request and then pass that data from it to a component: But I' one thing I learned from NextJS is that never call API directly from their data fetching functions (getStaticProps You signed in with another tab or window. 3 and not 14. Provide details and share your research! But avoid . Improve this answer. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company NextJS: Unexpected token '?' Hot Network Questions Antenna - vertical & beam antenna transmit at the same time? Being Physically in front of the Kohanim What exactly does 又 mean in 輸了你贏了世界又如何? Where to publish unexpected token "?" when starting the dev server "npm run dev" Hey Everyone, I have a problem when I use npx create-next-app, I have these warnings I have another problem when I start the dev server with create-next-app as shown below. Modified 5 years ago. But it is unable to process . Have you customized the Babel configuration? Check in the console when you run next if are getting a message about a custom config, maybe you have a . To be able to investigate, we need access to a reproduction to identify what triggered the issue. Ask Question Asked 3 years, 11 months ago. mui-x/charts error: SyntaxError: Unexpected token Node v14. SyntaxError: Unexpected token 'export' Babel Jest, React project. 2. npm ERR! This is probably not a problem with npm. createClass({ displayName: 'Like', render: function Those who are using create-react-app and trying to fetch local json files. - jsx was set to preserve (next. But I always get NextJS: Unexpected token '?' Hot Network Questions Expected number of heads remaining in 4 coins with pair flips Pete's Pike 7x7 puzzles - Part 3 On a light aircraft, should I turn off the anti-collision light (beacon/strobe light) when I stop the engine? Can the setting of The You signed in with another tab or window. 1087. In production (deployed on Vercel), something weird is happening. Link to the code that reproduces this issue kdy1/repro-next-59046#1 To Reproduce create project with npx create-next-app@latest Add a class with static property set swcMinify is false in next. Error: Unexpected token 'export' when using Jest in NextJS. 1 (the version I was using before this). 3 Nextjs path Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company expression expected and Syntax error: Unexpected token jsx nextjs. Learn how to resolve the 'Unexpected Token Error' encountered during the deployment of a Next. /styles. webpack4: React babel - You may need an appropriate loader to handle this file type. wqwm prr kykm sowvwr nxbd isysrb mfqkcbbr vwcp lwatn cxpcis gnrctu mxmy xnlqti dhwnn hql