Syntaxerror unexpected token export nextjs javascript js application without type to module in package. You signed in with another tab or window. Notifications You must be signed in to change notification settings; Fork 26. When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. defineProperty called on non-object I am trying to set up firebase authentication on my Next. css:4 . However, while running npm i, Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. What if I use incorrect import/export syntax? Follow the correct syntax for modules: Example: // Wrong: import x from "module"; Is Your Next. 1. As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. BTW: You also include three. Related questions. I'm trying to export a ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. 22. <anonymous>":function(module,exports,require,__dirname,__filename,jest){export 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 The error “Unexpected token ’export’” occurs when you run JavaScript code in an environment that doesn’t support the export keyword. 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. For functions I use exact same format. In proje You cannot use export inside if statements in node. js has its own project tree structure, e. This is definitely wrong. js; Share. Parsing error: Unexpected keyword 'export' Hot Network Questions What is the term for a type of binding that has a contiguous picture across multiple books on their spines? In your index. js using typescript 0 SyntaxError: Unexpected token 'export' when using CrafterCMS with typescript To use the export/import keyword, you need to activate the ESM specification. env. 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. If you come across errors such as "SyntaxError: Unexpected token 'export'" or "'SyntaxError: Cannot use import statement outside a module'", along with similar issues, it's necessary to include the module causing the problem in the transpilePackages configuration. I encountered similar problem when trying to load MediaPipe tasks via web worker. js - SyntaxError: Unexpected token import (18 answers) Closed 2 years ago. present. 2. config. Activate ESM support in the browser. This is a not-uncommon error when using some packages with NextJS, and can be fixed by using next-transpile-modules as documented. Work is in progress but it is going to take some time — We’re currently looking at Current Behavior Tests are failing on frontend services but passing at backend services (Same jest. js version to 16. js app. 18. None of the popular solutions here were working for me either. js Hot Network Questions Could Democrats take back the House of Representatives on April 1 2025 with upcoming special elections? Node. You signed out in another tab or window. js supports ES I'm trying to write a test case in a NextJS application using Jest. Here is a few things I would check: node version, npm version, the way you are importing the library. Hot Network Questions Does Doppler shift violate Relativistic conservation of energy? Following the installation in readme with Next. js SyntaxError: Unexpected token < in JSON at position 0. js twice. 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 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 – Causes and Fixes. js v9. js (in all versions) uses Node. js I've published an update to videojs-abloop (version 1. json . It appears that pdfjs is using Logical OR assignment, which is only supported since Node. 1 Webpack/Babel ES6 error: Uncaught SyntaxError: Unexpected token import. I'm using Next. Following these Microsoft Docs I tried to create my first Node. I don't understand why it cannot import that file and could not find any info in the internet about it. Still I'm not able to explain the exact reason for that. See browser compat table on MDN and this Node issue. I am wondering what I might be doing wrong. js #3427. js app with the following steps: Open PowerShell and create a new directory: mkdir Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js docs, but still same issue. js (February 2017):. 9k; Pull requests 539; Discussions; Actions;. js'; export const keys = process. Closed amala-james-cko opened this issue Apr 6, 2021 · 1 comment It was working perfectly after transpiling with next. In general, Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 1 Can not run unit tests through jest framework because of SyntaxError: Unexpected token export I think I found the problem. Thanks for any help How are you running your tests? Do you run them also using Webpack? Or even babel-node?The issue is Webpack understands that this code needs bundled where as if you are just trying to run tests via Node then Node won't understand that, in fact unless you have ESM enabled, it won't even understand import. From my understanding he's trying to use ES6 and I know some commands, like import, aren't available in node ver 9 natively. config file is a part of the solution, here are the current contents. Ask Question Asked 2 years, 11 months ago. What I am wondering is how come same 'export' style is working for interfaces but not for simple const/function? PowerShell is a cross-platform (Windows, Linux, and macOS) automation tool and configuration framework optimized for dealing with structured data (e. Node v12: module is not defined when exporting. SyntaxError: Unexpected token 'export' in Next. js:2371. If you are making an HTTP request, you can also try to set the Accept header to application/json to indicate to your server that you I have a webserver that works when I use node or nodemon (e. Import nor require are working inside my jest test files in my node. Maybe SyntaxError: Unexpected token 'export' on NextJS auth integration 4 [next-auth][error][adapter_error_getUserByAccount]; Cannot read properties of undefined (reading 'findUnique') Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js version 10. Create a file and name it . One time three. mjs or next. it. ), REST APIs, and object models. mjs. Things will not go well if you do. it uses node v12. This issue often occurs due to the use of ES6 modules or Nextjs is failing on build of a third party package. that's why by default jest doesn't transform node_modules. js middleware to redirect to the login page if there's no available token using Spotify's API export const config = { matcher: '/', }; next. SyntaxError: Unexpected token 'export' Summary My component library docs project is not working properly, vercel / next. From James M Snell's Update on ES6 Modules in Node. I get the following error, that seems webpack does not understand/parse/load CSS files correctly. js"). Unexpected tokens on ES6 export. Follow asked Sep 12, 2021 at 17:09. Do a sinple import and then see what it is returning before being more specific in the import command. SyntaxError: Unexpected token 'export' 15 | createUserWithEmailAndPassword, 16 | UserCredential, > 17 | signOut, | ^ 18 | signInWithPopup, 19 | GoogleAuthProvider, 20 | } from "firebase/auth"; I do have ts-jest installed, and I saw a fix somewhere using babel but I'm not too fond of using babel with NextJS, is there another way to fix this issue? export default data SyntaxError: Unexpected token export during bulding on next. js';. I I'm using tRPC with Typescript and Next. I'm trying to import a functions from a dependency to my next/react functional component, but somehow I keep getting the following error: SyntaxError: Unexpected token 'export' That's the If you are developing with Next. js Public. /dev. You cannot mix and match. NODE_ENV === 'production' ? null : devKeys; export const pKeys = process. The most important thing is consistency. js project (using TypeScript), and I believe that I have encountered some configuration issues related to using firebase that are causing my You signed in with another tab or window. Hot Network Questions Are/were counter-tariffs against USA targetting certain products? repl. So to use the ?? operator you need to update node in repl. Modified 2 years, 11 months ago. Although the docs say it can be loaded as non-module, in some occasions (possibly due to bugs) you are forced to load it as module. 0. I tried what has been mentioned above (adding tsconfig and set commonJS) but same outcome. However, when I try to use pm2 ("pm2 start index. C:\devtmp\workspaces\nextjs\web-admin\node_modules\@patternfly\react-styles\css\components\Backdrop\backdrop. js toggle not working. Angular 6 and Popper. js just won't touch any file in the node_modules). 0) which reverts to exporting the plugin using Common JS. pf-c-backdrop { ^ SyntaxError: Unexpected token . Node. On running the test, below error occurs: ({"Object. html you include ReusableRay twice. Since ReusableRay is a module, you can only use ES6 imports. . next. js you just create one in your application root dir, and (using reactgrid as an example) you can do this: // pass the modules you would like to see transpiled const withTM = require ( 'next-transpile-modules' )([ '@silevis/reactgrid' ]); You signed in with another tab or window. As next. Unexpected token export its happen at popper. 6 (latest) has led to the following issue. All assets are included using relative path like sct=". This seems to work, either using require to import the modules, or with "type":"module" or --experimental-modules set and import used. Everything was working fine, SyntaxError: Unexpected token 'export' on NextJS auth integration. js you just create one in 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, clarification, or responding to other answers. js but my guess is that you're importing the module files but your build tool doesn't recognize ES Modules? So you can import from the /dist/ directory to get the UMD files instead. SyntaxError: Unexpected token 'export' when using amcharts with next. If you are using pdfjs on the client-side, please use next-transpile-modules to transpile it (Next. exports are CommonJS. The problem was solved after clearing browser cache on Chrome. Allow me to explain. There is no need to use Babel for ECMAScript Modules, only if you want to use features of ECMAScript that are not supported by Node. ES6: SyntaxError: Unexpected token export. js Build Manifest Exposing Site 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. You switched accounts on another tab or window. The third party package is using ES6 syntax for exports. Failed to compile: Syntax Error: NextJS: Unexpected token '?' 4. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 0. I have read the solutions suggested here but I don't seem to understand it to correctly apply the suggested answers. js". require and module. 5. This is incorrect. If you don’t have a next. /index. How can I fix this or debug this further? SyntaxError: Unexpected token 'export' in Next. config file, and how the css file is being loaded server-side, but I'm not 100% what to do there. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. it forum post by lukenzy. js supports ECMAScript Modules natively. /prod. Code; Issues 2. If you are using pdfjs on the server-side, consider updating your Node. One time via the <script> tag and then with an ES6 import statement. js, but the following code should do what you are trying to achieve: import { keys as devKeys } from '. Essentially my pack contains a few different classes and I try to export them in index so the code using this package has access. If you have your config in your root/ directory and call a script that is in say root/folderA and that script imports something from root/folderB then the js file from folderB doesn't seem to be transpiled correctly (ignored?). NODE_ENV === 'production' ? prodKeys : null; export default routes; ^^^^^ SyntaxError: Unexpected token export I'm actually trying to follow along in a training video so I'm a bit new to this. Unexpected token < in JSON at position 0 means the JSON returned by the API is not valid Also, getStaticProps does not have access to the incoming request (such as query parameters or HTTP headers) see getStaticProps docs . Using the ES6 Module syntax in a script without I am working on a react nextjs project, and I suddenly ran into a SyntaxError: Unexpected token 'export' error. js"), I get "SyntaxError: Unexpected token import". js 15. 5 + React ) it was happen on pages with 2nd or more nested level of pages. json file. js - SyntaxError: Unexpected token import. js. In my case ( Webpack v. js using next-auth and Prisma. js - SyntaxError: Unexpected token import while running on node 6. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. Note that Node. When JSON data is sent over the network, the Content-Type header should be set to application/json. 0. React app works fine when running with react-scripts start but gets a "Unexpected SyntaxError: Unexpected Token: <" when built -1 'npm run build' gives me uncaught syntax error: Unexpected token '<' when I try to render the html file for my single page react app A lot of node modules export ES5 so that jest can run it out of the box without transform. js and Vercel deployment platform SyntaxError: Unexpected token 'export' when using amcharts with next. js, you might encounter the SyntaxError: Unexpected token ‘export’ error. My tests used to not fail until recently (I don't think I touched them). js from the official website. 4k; Star 124k. js:915:16) at The "Uncaught SyntaxError Unexpected token 'export'" occurs for 2 main reasons: Using the ES6 Module syntax in a Node. 572 SyntaxError: Unexpected token export. js and Vercel deployment platform Apr 6, 2021 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Reload to refresh your session. User code (code not in node_modules) will be bundled by webpack, but non user code (code in node_modules) will not be processed in any way and just required resp. g. You may need to look at something like babel-jest to I've been working on a site with Next. 10. script 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 export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. I recreated your issue using your code, then applied the update and the issue went away. I've seen multiple similar issues and it seems to boil down to that. While import is indeed part of ES6, it is unfortunately not yet supported in NodeJS by default, and has only very recently landed support in browsers. To use the ES2015 syntax for default exports in an ESLint config file, one can use a combination of Babel for transpilation and Pirates for hooks to hijack a require statement that imports your ESLint config file written in ES2015. It gives me SyntaxError: Unexpected token 'export' Nothing I found worked so far, any idea? EDIT1: Suppose it fails during the runtime (running yarn dev ) because it's successfully built and served for development. SyntaxError: Unexpected token 'export' Looks like a cjs module not working in React. js'; ^^^^^^ SyntaxError: Unexpected t Node. Unexpected token 'export' means that the engine encountered JavaScript's export keyword, which is only allowed when you do <script type=module>. import and export are ES6. module. JSON, CSV, XML, etc. That look like a bug to me but maybe I don't understand the responsibility of the config file (I had thought of it as a "project I'm working on a npm package called foobar, locally, to allow me to make changes or modifications in real time without having to publish/unpublish to improve development time and sanity. js'; import { pKeys as prodKeys } from '. So for nested pages become broken. Viewed 3k times 1 . 🤔 ERROR (CLICK TO EXPAND!) SyntaxError: Unexpected tok Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js with <script> and then via ES6 imports import * as THREE from '. react js unexpected token export on export{default as Cards} 0. 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 export. js to execute code for SSR or in API routes. replit Inside it, copy and paste the following code: Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. your pages should be in pages or src/pages and other points you need to consider when working with next. Provide details and share your research! But avoid . To distinguish between files containing Node Modules and files containing ECMAScript Modules, the latter need to be named . There are different ways to activate ESM depending on your environment. export const CONFIG = { ^^^^^ SyntaxError: Unexpected token 'export' However it is importing correctly 'glob' library. Also you can read about es-modules-support here to get more information 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. Any ideas how to fix it? javascript; twitter-bootstrap; bootstrap-4; popper. js Hot Network Questions Is an ideal transformer with unloaded secondary equivalent to an ideal inductor? Bug Report Package version(s): latest Browser and OS versions: Chrome Priorities and help requested (not applicable if asking question): Are you willing to submit a PR to fix? No Requested priority: Blocking Describe the issue: I try to And then How to fix the syntaxError: unexpected token ‘export’ in JavaScript? If you are new to programming and don’t know where to start and practice then visiting Codedamn will be a great decision you can make. SyntaxError: Unexpected token 'export' relating to the index file. Assuming the next. This means any code you import from node_modules need to be compatible with Node. The export keyword is a part of Next. 0 and custom I am new to webpack and next. What version of next. 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 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Next. /build/three. To activate ESM Looking around I can see people have similar issues, and that the fix probably has something to do with the next. "nodemon index. Which you can do by following this repl. I'm not at all familiar with Next. js, as opposed to React. The full er I have installed Node. Navbar-Toogle Bootstrap 5 not working SyntaxError: Unexpected Token ‘export’ Have you ever been working on a JavaScript project and suddenly been met with the dreaded “SyntaxError: Unexpected Token ‘export'” error? amala-james-cko changed the title SyntaxError: Unexpected token 'export' when using amcharts with Next. at wrapSafe (internal/modules/cjs/loader. Improve this question. js) Expected Behavior Tests will run successfully Failure Logs export const infoLoggerFunction = generateMockedLoggerFunction(); ^ +1 to @Bergi's comment. imported by Node. However I will mention here how to clear cache on Google Chrome. 2 SyntaxError: import declarations may only appear at top level of a module. js:1] 3 Jest: unexpected token export with react-navigation You signed in with another tab or window. /core/core. 3. js you are using? You also didn't include the project tree and content of package. This means that you probably copied the ESM bundle to your After struggling a lot, I found out that it is caused by the browser cache. Using express, no 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. dyyfoam tnjpy xvb vde amlk rex amhv mdpq btj xkawxd livmu avogpt vubo qtjbmjhh wuhb