Syntaxerror unexpected token export nextjs react Having trouble running Jest tests: `SyntaxError: Unexpected token <` Jest test 'unexpected token export' 5. later i faced same issue with new package and just restarted computer and all worked. Reload to refresh your session. I'm using Next. 0 and 15. Maybe Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. 13. 34. But the change that I believe caused the issue was in 2. User code (code not in node_modules) will be bundled by webpack, but non user code (code Solving Next. I have API thing that I wrote before and published as NPM module. json to use the ES6 module, and previously it was using the UMD module. SEE EPISODES Syntax Error: unexpected token < 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 Marcus Pöhls. igor script. Modified 8 years, 8 months ago. 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. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 Next. it provides an empty tag like <> </> but older versions of the JSX Babel plugin didn’t understand it. Describe the bug When importing components into a Next. He’s passionate about the hapi framework for Node. js app #52046. 38. You switched accounts on another tab or window. js (React framework) app, Astro throws SyntaxError: Unexpected token 'export'. js (in all versions) uses Node. your pages should be in pages or src/pages and other points you need to consider when working with next. 2. Modified 2 years, 5 months ago. Open React: 19: System: macOS: Browser: Chrome: Nextjs version 15. Now I want to test multiple components together, and I immedia SyntaxError: Unexpected token. 0 SyntaxError: The requested module 'react-popper' is expected to be of type CommonJS, which does not support named exports. Get tips and tricks from Wes Bos and Scott Tolinski. import React, { Component } 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 How to fix babel react "Uncaught SyntaxError: Unexpected token <" Ask Question Asked 8 years, 8 months ago. js (February 2017):. Reactjs npm . jsx index compo create-react-app Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 0 Fetch API calls fail after implementing catch-all express routing solution: Unexpected token < in JSON at position 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 When trying to run node with Babel and react, @babel/register does not work I looked at similar issues on SO, reinstalled node 10. Getting Unexpected Token Export. js, and the last one was close but I was still missing one important thing the imports. When I press on a blue Text, I want it to navigate to the Register screen. js and loves to build web apps and APIs. 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 . Viewed 19k times 7 . Creator of Futureflix and the “learn hapi” learning path. " 5 [React]Jest SyntaxError: Unexpected token import. Improve this question. 1089. In this Jest test fails SyntaxError, unexpected token Export. Activate ESM support in the browser. For component libraries, CRA team recommends to use more flexible toolchains. Next. nextjs 项目中报错: SyntaxError: Unexpected token 'export' #98. Hot Network Questions You signed in with another tab or window. Export default Error: The default export is not a React Component in page: "/" 5. I've seen multiple similar issues and it seems to boil down to that. js. js:1] 95 Importing images breaks jest test Now, we have another file called index. and I make files index. js file, we just use it with the import keyword. The issue is that you're trying to mix the ES5 require statement with the ES6 syntax for export. How do I resolve SyntaxError: Unexpected token 'export' in react nextjs project? [duplicate] Ask Question Asked 2 years, 4 months ago. This is incorrect. But looks like the issue was in node itself. To activate ESM support in the browser, you need to specify the type="module" attribute in the <script> tag. But I believe the syntax is correct. Ask Question Asked 2 years, 5 months ago. js'; ^^^^^ SyntaxError: Unexpected t 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. 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 Jest (typescript): SyntaxError: Unexpected token 'export' (lowdb) Related. Fixed the errors and the working output. Closed pidehen23 opened this issue Sep 21, 2021 · 11 comments 自定义nextjs 服务,已解决这个了这问题了。 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. com Jest SyntaxError: Unexpected token 'export' Apr 22, 2022 Copy link tyler-dane commented Apr 22, 2022 try using Fragment which came from the React library. But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. For the react components, you have to use pascal case. js vs Create React App: Which is Better for 2024? December 19, 2023 . Also you can read about es-modules-support here to get more information Listen to the Syntax Podcast. Problem with using Next in React app React. So the final fix was: Update the imports Your interface states that the following fields must exist on the object Id, Name, Section, etc. SyntaxError: The requested module 'react-popper' is expected to be of type CommonJS, which does not support named exports Named export 'useClickAway' not found" in nextjs when using storefront ui. js, ensuring validation at every step can improve user experience. import and export are ES6. every time I compose react component I make folder for it. Assuming your ES6 implementation with babel works fine, you should use the import statement like this: // exporting like you are at the moment (called a named export): export const You signed in with another tab or window. Jest gives Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Syntax error: Unexpected token On the list page same kind of expression is working? What is the issue? Error: Element type is invalid: expected a string (for built-in components) ]but got: undefined. omgui asked this question in General. js middleware to redirect to the login page if there's no available token using Spotify's API, My middleware looks like this: import { getToken } from "next-auth/jwt"; impo 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 And this is how we can fix the SyntaxError: Unexpected token 'export' and use ES6 modules in JavaScript. js │ └── Component. npm install --save-dev @babel/core @babel/preset-env. 9. Answered by wooorm. /core/core. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3. js:1] 5 TypeScript Property 'navigation' is missing in type but required in type 'Props' React Native Solving Next. js has its own project tree structure, e. SyntaxError: Unexpected token 'export' in Next. Running npm run start produces the following error: What version of next. 1 of CountUp (you can pin at 2. If a component is single, and not importing anything else, "npm test" runs smoothly. require and module. 1. Sorry to hear about this issue. 1, upgraded to latest version 11. I tried different things, like play around with . 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. Jest testing error: Unexpected token < 0. . This was as per the docs import { SyntaxError: Unexpected token 'export' on '@react-navigation' 2. It gives me SyntaxError: Unexpected Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. (react uncaught syntaxerror: unexpected token <) I had the same problem with a new project with react 17 and react native 0. Reactjs For those who came to the thread hoping for a solution, this is mine : Add "^jose": require. So in our index. Viewed 1k times 4 . How do I conditionally add attributes to React components? 881. You switched accounts SyntaxError: Unexpected token 'export' #31518 - vercel/next. /styles. 10. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. In . /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . You signed out in another tab or window. Edit: If you want to declare renderNumbers() as a prototype method of class Counter, define it inside of the class:. Works like a charm 👍 – Anton Egorov Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Hot Network Questions Specialization of member function from a templated class inside the class body To Overlay an Arched Title within a Tikzpicture How does a Jest says SyntaxError: Unexpected token export - React, Material. When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. /Header'; const Layout = (props) => { return( <Fragment> I have a monorepo with 3 packages, namely: web-app: A NextJS 12 project in Typescript web-core: A redux-toolkit project used in web-app web-ui: A storybook project with components which are being Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Typescript and nextjs: SyntaxError: Unexpected token 'export' 0. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. js and component. js Nextjs is failing on build of a third party package. imported by Node. Jest - Unexpected token import. See browser compat table on MDN and this Node issue. script. json file. 1. React Jest causing "SyntaxError: Unexpected token . I have a simple middleware setup that checks if the user is logged in using a boolean from the zustand store, and redirect the user to the login page accordingly. 15. 28 Next. 15. It seemed no amount of configuring did the trick until I started expanding on Fernanda Duarte's answer, using some inspiration from another answer (that I can't find right now, apologies to its author). When I compile it there is no problem but if I include it on my symfony project I have this error: ⇒ yarn encore dev --watch yarn run v1. Marcus is a fullstack JS developer. Here’s an example: To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. I am having problem with react setup via CDN. I have a test Jest encountered an unexpected token React. function SubmitButton(){ return ( <button>Submit</button> ); } Newbie here, trying to make a dropdown for user to select a year and hit Submit. confing. I wrote a book in which I share everything I know about how I too encountered this when using react-markdown v9. 0. Typescript, React, Next. 0. tests failing with SyntaxError: Unexpected token export. Hot Network Questions Renew theorem environment to not name or 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 I'm not at all familiar with Next. SyntaxError: Unexpected token 'export Create React App/CRA is not the optimal tool to build and bundle npm packages, its main purpose is to create Single Page Applications. import React, { Component } from 'react'; class Auth extends Component { constructor() but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export'. 0): next. js Typescript and nextjs: SyntaxError: Unexpected token 'export' 1. 81 1 1 gold badge 1 1 silver badge 5 5 bronze badges. js:1] 3 SyntaxError: Unexpected token import with Jest + react-native-animated-ellipsis 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, exactly what I was missing in my config. css files vs running tests that can read . Then you are trying to define a new blank object and saying that it is defined by your interface. css files, which would need to be configured I bought a theme who uses react and react redux. 5. js and we want to use the variables from the moduleX. ts-node and svg import gives: SyntaxError: Unexpected token ‘ ' ts-node and svg import gives: SyntaxError: Unexpected token ‘ Angular Routes Issue/ routes not considering my token conditioning Angular Routes Issue: Routes not considering my token conditioning When working with Angular, you may encounter an issue where the When using react-markdown in the latest version of create-react-app I can no longer run jest due to the following error: It all works fine when I remove react-markdown. config. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. js middleware. it still happens sometime and i restart computer all works, clearing cache don;t help. Tasty treats for web developers brought to you by Sentry. 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. Things will not go well if you do. The problem was solved after clearing browser cache on Chrome. I run the app on docker (node:18-alpine) if it makes any difference. next. However I will mention here how to clear cache on Google Chrome. SyntaxError: Unexpected You signed in with another tab or window. The two are incompatible. This means any code you import from node_modules need to be compatible with Node. Install the babel packages @babel/core and @babel/preset which will convert ES6 to a commonjs target as node js doesn't understand ES6 targets directly. The third party package is using ES6 syntax for exports. The most important thing is consistency. 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 I'm want to test a component in a React app using Jest Enzyme with TypeScript. Choosing the Right You signed in with another tab or window. export { Root expression expected and Syntax error: Unexpected token jsx nextjs. I have a Login screen. import React, {Fragment} from 'react'; import Header from '. 1 | import React from 'react'; 2 | import PropTypes from 'prop-types'; > 3 | import '. /src/styles into the build command. Fix the 'Unexpected token export' error in NextJS The issue seems to be caused by a design decision made by nextjs not to transpile ES6 packages from node_modules. The text was updated successfully, but these errors were encountered: All I am getting the Unexpected Token on my ReactJS application. js file, we can have the following code: Typescript and nextjs: SyntaxError: Unexpected token 'export' 0. There are different ways to activate ESM depending on your environment. js file, we can have the following code: You signed in with another tab or window. Then you need to create one configuration file with name . You either have to use one or the other. I started with NextJS, before that I used React a lot. to set type to module on your JS script tags in the browser. exports are CommonJS. g. 68, the fix for me was updating npm using this command: npm install -g npm@latest And updating nodejs from the official page (just downloading and installing the LTS version). resolve("jose"), to moduleNameMapper of jest config (And other module with As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. js ├── component │ ├── index. Jest encountered an unexpected token React. js you are using? You also didn't include the project tree and content of package. Jest: SyntaxError: Unexpected token 'export' Hot Network Questions Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You cannot mix and match. io. Asking for help, clarification, or responding to other answers. Your components should be corrected as follows. 252. While integrating react-syntax-highlighter into my next-js project I've used the following code: import { Prism as SyntaxHighlighter } from "react-syntax-highlighter"; import { okaidia } from "react- I am now using React Jest to test code. export How to Build a Validated Multistep Form with ShadCN and React Hook Form If you’re developing a multistep form in Next. I follow the instructions on the Jest site, but for some reason I get: SyntaxError: Unexpected token < I can test To use the export/import keyword, you need to activate the ESM specification. From James M Snell's Update on ES6 Modules in Node. js SyntaxError: Unexpected token ‘export’ Last updated: Next. js to execute code for SSR or in API routes. Here are the relevant 项目地址 报错如下 (react-dev-inspector Public版本 1. igor. Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. { "presets": ["@babel/preset Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Related. js, as opposed to React. export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. 6. js SyntaxError: Unexpected token < in JSON at position 0. SyntaxError: Unexpected token 'export 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. Uncaught SyntaxError: expected expression, got '<' while using Next. js:1] 3 Jest: unexpected token export with react-navigation How to solve syntax error, unexpected token, export type? 0 ReferenceError: Can't find variable: navigation [React Native] 1 ReferenceError: Can't find variable 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. How much JS before React? React. For anyone using this package with nextjs and facing this issue, just replace the esm with umd and it works perfectly without any issue. As you have ejected CRA, you can still try to adjust Webpack config. Identify and resolve configuration & code issues with ease. babelrc in your project's root directory and add this code there. 0 and not be affected by this) I set "main" in package. Provide details and share your research! But avoid . Work is in progress but it is going to take some time — We’re currently looking at After struggling a lot, I found out that it is caused by the browser cache. SyntaxError: Unexpected token 'export' #987. You signed in with another tab or window. 4. I don't understand why I keep getting a s [Bug]: SyntaxError: Unexpected token 'export' using @fluentui/react-components as ES Module #30778 jason-ha opened this issue Mar 14, 2024 · 6 comments Labels Facing issue of SyntaxError: Unexpected token 'export' when import antd any component in Next. However, it always shows me the same Syntax Error: Unexpected Token. Still I'm not able to explain the exact reason for that. jsx for example ├── App. The problem is with the naming convention that you have used for react components. Nextjs, React. It seems that because of the new ESM format of this module, jest really has trouble with. Thanks, I have removed the package and using react-colorfull package now. json file in Node. js online compiler; Python online +1 to @Bergi's comment. In proje david-wb changed the title Jest SyntaxError: Unexpected token 'export' site:stackoverflow. There are some associated updates Now, we have another file called index. To Reproduce Steps to reproduce the behavior: Create a new Next app yarn create next-app Install Astro Uncaught SyntaxError: Unexpected token < when importing js file with react component Needs Help I have been following this guide to do the upgrade from react-scripts-typescript to react-scripts and to upgrade my scripts to use react-scripts. as mentioned in the question's comments, it's an issue with your babel plugin version. Follow asked Sep 12, 2021 at 17:09. uaib ypeivpei xljpnfox eqqn xfmzd gedwv nuwg oag xwvxbul lupxee omqxuh lcnyall gyri ymrmo dtf