Syntaxerror unexpected token export react React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' 6. Modified 7 years, 6 months ago. (react uncaught syntaxerror: unexpected token <) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. After ejecting create-react-app your package. There is a new concept of root config which should be located in the root of your project and the file must be named babel. I'm trying to run a test for a personal website done in create-react-app. here's what my imports for React Navigation look like: import { NavigationContainer } from "@react-navigation/native"; import { createStackNavigator } from "@react-navigation/stack"; Those who are using create-react-app and trying to fetch local json files. js file, we just use it with the import keyword. Stack trace: export { default as add } from '. Hot Network Questions Those are ES modules. 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 Import React in 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 You need to edit your jest. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' You signed in with another tab or window. I am now using React Jest to test code. js file in the root directory. require and module. exports = {}; run jest Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Works like a charm 👍 – Anton Egorov I have a problem with the unit tests of my React project, it is configured to be compiled with webpack, however when executing the unit tests they are giving me this error: SyntaxError: Unexpected token 'export' This is my jest. I don't understand why I keep getting a s You signed in with another tab or window. 3. My project structure is the following: root module org-domain (ES6) org-services (ES6) react-ui-module (React via CRA2) org-services has a local path dependency on org-domain in its package json: You signed in with another tab or window. window. Recently, I added the lightbox. As in create-react-app, webpack-dev-server is used to handle the request and for every request it serves the index. js (@azure/msal-browser) Core Library Version 3. I'm at a boiling point with getting Jest to understand ES6 modules import/export syntax and it is hindering my project development progress. Your test cases for different components require those components to be present in node_modules. Jest is failing because of missing property in Expo (React Native) Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. static('. This is incorrect. I have a test Jest encountered an unexpected token React. Asking for help, clarification, or responding to other answers. 34 Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3 Jest: SyntaxError: Unexpected token 'export' Load 7 more related questions I tried to use react-native-material-ui but got an "Unexpected token export" I couldn't tell anything wrong with the statementall the references are correct and the code format is correct too H I am trying to make a React project without Node and I am calling a JS file from a HTML file. Components that are in the nested are late to read. Can't use arrow function in ReactJs + Electron : Unexpected token. 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 have a Login screen. js and we want to use the variables from the moduleX. I've seen multiple similar issues and it seems to boil down to that. Change package from @iconify-icons/fa-solid to @iconify/icons-fa-solid. J. +\\. /svgTransform. How to fix babel react "Uncaught SyntaxError: Unexpected token <" Ask Question Asked 8 years, 7 months ago. js:1] 18 Jest encountered an unexpected token with react-native Core Library MSAL. import React, { Component } Jest test fails SyntaxError, unexpected token Export. script. As you have ejected CRA, you can still try to adjust Webpack config. By the end, you’ll Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Everything is doing great and the app is running as expected. 6. js:1 You signed in with another tab or window. 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 You signed in with another tab or window. babelrc to babel. reactjs: Jest setup &quot;SyntaxError: Unexpected token export&quot;Thanks for taking the time to learn more. Jest: SyntaxError: Unexpected token 'export' Hot Network Questions SyntaxError: Unexpected token 'export' Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. how to fix reactjs syntax error: unexpected token? 0. js:1] A common issue that comes up when I was working with single page apps with frameworks like Vue or React is the error: SyntaxError Unexpected Token ’export’. it's not plain JavaScript. 252 Jest gives an error: "SyntaxError: Unexpected token export" 14 create-react-app & jest — SyntaxError: Unexpected Jest-Expo ( SyntaxError: Unexpected token 'export' ) Ask Question Asked 3 years, 11 months ago. It seems that because of the new ESM format of this module, jest really has trouble with. I am having problem with react setup via CDN. I had the same problem with a new project with react 17 and react native 0. You need to put any JS and CSS files Unexpected token "<" in this case comes from a nested path. 5. js'; ^^^^^^ SyntaxError: Unexpected t I guess it's an issue from using vite with react, I've recreated my project with plain create-react-app and it starts crawling the pages as intended with warnings. Improve this answer. In this video I'll go through your question, provide various answer This is happening because Babel 7 no longer loads your . 471 How do you test for the non-existence of an element using jest and react-testing-library? 807 The issue is that you're trying to mix the ES5 require statement with the ES6 syntax for export. SyntaxError: Unexpected token import. May be you are doing 'node . i am doing this trying to copy a tutorial and it looks like it works for the tutor but not me! javascript; reactjs; Share. tests failing with SyntaxError: Unexpected token export. /add. js (React framework) app, Astro throws SyntaxError: Unexpected token 'export'. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Get tips and tricks from Wes Bos and Scott Tolinski. 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 using NextJs and below is my package file details &quot;scripts&quot;: { &quot;dev&quot;: &quot;next dev&quot;, &quot;build&quot;: &quot;next build&quot;, &quot You signed in with another tab or window. js) Ask Question Asked 2 years, 5 months ago. Reactjs npm Create React App/CRA is not the optimal tool to build and bundle npm packages, its main purpose is to create Single Page Applications. 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. However, it always shows me the same Syntax Error: Unexpected Token. Another thing to mention is the way you call a function , es6 introduces the arrow function javascript: SyntaxError: Unexpected token exportThanks for taking the time to learn more. When using command: npm start I have an error: ERROR in . 0. Load 5 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. js:1] 3 SyntaxError: Unexpected token import with Jest + react-native-animated-ellipsis I'm trying to work React into my HTML page which I'm trying to create dynamic cards from bootstrap, but I keep getting Here's what I have so far React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Load 7 more related questions Show fewer related questions 0 Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. { "presets": ["@babel/preset Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. To Reproduce Steps to reproduce the behavior: Create a new Next app yarn create next-app Install Astro 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 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 You signed in with another tab or window. js] react export Unexpected I'm running yarn test on a project and I get the following error: ({"Object. it provides an empty tag like <> </> but older versions of the JSX Babel plugin didn’t understand it. igor. "Uncaught SyntaxError: Unexpected token export" while importing Office ui/Bootstrap. js and make sure you use module. Jest encountered an unexpected token React. But none helped me. Here are the relevant Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Which you can do by following this repl. /'));" to provide the location of the static resource file 'bundle. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){export Some react-native libraries ship uncompiled ES6 code. js:1] 587 SyntaxError: Cannot use import statement outside a module. For some reasons I am getting Uncaught SyntaxError: Now, we have another file called index. React Router - Cannot read property 'history' of undefined. Looks like NextJS can only work with CommonJS. 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). 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 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. You signed out in another tab or window. to set type to module on your JS script tags in the browser. Share. js:1] 4 Jest encountered an unexpected token #3746 I was encountering a similar issue but fixed by adding below line to the top of my entry file (which was main. pidehen23 opened this issue Sep 21, 2021 · 11 comments Labels. SyntaxError: Unexpected token import - reactjs. js. SyntaxError: Unexpected token < in JSON at position 0. I wrote a book in which I share everything I know about how to become a better, more efficient programmer. Ask Question Asked 7 years, 9 months ago. 1, upgraded to latest version 11. js throws SyntaxError: Unexpected token export Hot Network Questions In principle, could the Many-Worlds Interpretation be tested via interference? [React-Native][Jest]SyntaxError: Unexpected token import. /src/index. In proje repl. To activate ESM support in the browser, you need to specify the type="module" attribute in the <script> tag. js: Unexpected token, expected "," export ReactJS Unexpected token 'export' (at bundle. Activate ESM support in the browser. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . 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. it uses node v12. React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, 8 months ago. io. Jest: SyntaxError: Unexpected token 'export' Hot Network Questions Is "See that cornbread" pun here? but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export'. 0 Wrapper Library MSAL React (@azure/msal-react) Wrapper Library Version 2. Getting Unexpected Token Export. There are different ways to activate ESM depending on your environment. In this video I'll go through your question, pr Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Reactjs with JSX: Unexpected token '<' 0. 4. Because of this, the browser cannot figure out which service worker features you need. Installed babel and webpack, still giving this error: Test suite failed to run SyntaxError: /user. js'. SyntaxError: Unexpected token 'export As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. Maybe Thanks, exactly what I was missing in my config. js:1 Uncaught SyntaxError: Unexpected token < main. js' so your jest. /core/core. So in our index. confing. import React, {Fragment} from 'react'; import Header from '. You either have to use one or the other. /Header'; const Layout = (props) => { return( <Fragment> Syntax error: Unexpected token, expected } 1. Tasty treats for web developers brought to you by Sentry. next. npm install --save-dev @babel/core @babel/preset-env. Viewed 944 times React Native/Expo yet another SyntaxError: Unexpected token import while testing. How do I conditionally add attributes to React components? 878. as mentioned in the question's comments, it's an issue with your babel plugin version. js and export an object. Jest: SyntaxError: Cannot use import statement outside a module in React I too encountered this when using react-markdown v9. json nor does it have Solution: use middleware "app. 1. I am just trying to make a simple example to learn. 1 "SyntaxError: Invalid regular expression flags" in React/Electron. SyntaxError: Unexpected token export, when import not compiled libraries #970. json file in Node. 22. Below are the packages installed To use the export/import keyword, you need to activate the ESM specification. It is identical, except that it uses CommonJS modules. The Jest doc about Testing React Native Apps includes a section about compiling dependencies that don't ship pre-compiled code. 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. If a component is single, and not importing anything else, &quot;npm test&quot; runs smoothly. 0）： next. function SubmitButton(){ return ( <button>Submit</button> ); } Newbie here, trying to make a dropdown for user to select a year and hit Submit. The two are incompatible. html. Ask Question Asked 2 years, 5 months ago. This is the option that you can do: React (router?) Uncaught SyntaxError: Unexpected token < 2. This happens when you have multiple exports on the same file and you add a default export to one of them , so the solution is either to export one module by using export default or just export if you want to export multiple objects , functionsetc in the same file. Uncaught SyntaxError: Unexpected token < 1. So to give you some steps to follow: rename your . You signed in with another tab or window. replit Inside it, copy and paste the following code: Jest says SyntaxError: Unexpected token export - React, Material. React - Material UI test TypeError: Cannot read property 'get' of undefined. I am using React Testing Library but I don't think this is the issue as the test fails on the file imports. You cannot mix and match. Viewed 1k times 4 . Currently, I'm migrating a react project Typescript but to do it as fast as possible and avoid more problems I' Issue : First of all, I'm not sure if this is a ts-jest issue or not, so sorry if I'm not reporting this in the proper place. For faster rebuilds, only files inside src are processed by Webpack. [Bug]: SyntaxError: Unexpected token 'export' using @fluentui/react-components as ES Module #30778 jason-ha opened this issue Mar 14, 2024 · 6 comments Labels Cause: babel-jest uses babel configuration that is loaded based on the location of the file that is going to be transformed. In . omgui asked this question in General. To solve this, you need to eject the app and modify the webpack-dev-server configuration file. Uncaught SyntaxError: Unexpected token 'export'. Describe the bug When importing components into a Next. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3. SyntaxError: Unexpected token 'export' in Next. I tried different things, like play around with . Create a file and name it . @T. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){import While running tests using Jest, an error occurred due to an unexpected token 'export' in the 'react-markdown' package. 7ced8661. There it says . Follow edited Oct 22, 2020 at 6:04. My code is as follows: import styles from '. 15. Modified 3 months ago. Closed devnostic opened this issue May 1, 2023 · 24 comments Closed but as an alternative I would like to suggest using CountUp directly in your react project instead of with this wrapper. david-wb changed the title Jest SyntaxError: Unexpected token 'export' site:stackoverflow. ReactJS SyntaxError: Unexpected token. SyntaxError: Unexpected token export. 663 9 9 silver badges 23 23 Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. 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. ts I am trying to make CSS Modules work with React components. json: 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 项目地址 报错如下 （react-dev-inspector Public版本 1. 81 1 1 gold badge 1 1 silver badge 5 5 bronze badges. You switched accounts on another tab or window. You will need to tell Jest to compile react-navigation-tabs by whitelisting it in the transformIgnorePatterns option in Describe the bug most of my tests broke after i upgraded react native on my project, i tried to debug and fix but could not get any progress on that Expected behavior my tests should work again Steps to Reproduce Screenshots Versions npm 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 I am trying to put webgl into one of the pages of my react app. /style. Here’s an example: The issue Unexpected token '<' is because of missing the babel preset. When I press on a blue Text, I want it to navigate to the Register screen. g. Find my firebase. /components;' Due to this line the mocha test gives SyntaxError: Unexpected token 'export' I have tried installing the babel packages and added . import and export are ES6. 1. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js Module build 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 < It disappears once I refresh the page. I'm developing a mobile app using React-Native and Expo. js SyntaxError: Unexpected token < in JSON at position 0. json probably contains: "babel": { "presets": [ "react-app" ] } which makes import/export statements work for your files, but @amcharts/amcharts4 does not have that setting in its package. To solve this problem, use this: import dark from "react-syntax-highlighter / dist / cjs / styles / prism / dark"; Instead of using this: import {dark} from "react-syntax-highlighter / dist / cjs / styles / prism "; The error “Unexpected token ’export’” occurs when you run JavaScript code in an environment that doesn’t support the export keyword. nextjs 项目中报错： SyntaxError: Unexpected token 'export' #98. It seems babel Jest encountered an unexpected token when testing react-native with jest. A simplified version of server/index. However, when I npm run build and the firebase deploy the app, the app is not running and is throwing the error: Uncaught SyntaxError: Unexpected token '<'. use(express. Viewed 19k times 7 . main}&gt 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 react js unexpected token export on export{default as Cards} Ask Question Asked 4 years, 9 months ago. 8 Public or Confidential Client? Public Description 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 also don't seem to export anything so I'm not sure what you're importing – Andrew Li. igor script. Provide details and share your research! But avoid . The most important thing is consistency. Then you need to create one configuration file with name . 2. /arc. SyntaxError: Unexpected token 'export' #987. I simply chose not to use the worker and resolved an issue with the this binding to allow it to work without a worker. Giving the full context of the erro: ({"Object. Problem with using Next in React app React. 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). I have come up with a suitable work-around for my case, however this is not optimal for anyone that may need to render more than one page. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in SyntaxError: Unexpected token 'export' (from 'react-leaflet') while using Jest 1 jest moduleNameMapper fixes unexpected token 'export' now breaks relative module import When trying to run node with Babel and react, @babel/register does not work I looked at similar issues on SO, reinstalled node 10. ca81c833. /src/styles into the build command. Solution: You have to configure your webpack configuration as follows Uncaught SyntaxError: Unexpected token < with React. Things will not go well if you do. unexpected token export in electron-react js. +1 to @Bergi's comment. My test suits run with no errors until I install this package: fir Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 0 SyntaxError: Cannot use import statement outside a module with jest and swiper v10 Jest encountered an unexpected token with react-native. babelrc automatically. js"} SyntaxError: Unexpected token 'export' I have tried updating my jest. ReactDOM Uncaught SyntaxError: Unexpected token < You signed in with another tab or window. Modified 4 years, 9 months ago. Identify and resolve configuration & code issues with ease. TypeError: Cannot read property 'create' of undefined (Material UI/enzyme) 1. js file, we can have the following code: Listen to the Syntax Podcast. Uncaught SyntaxError: Unexpected token in import React from 'react' 0. ts in vue project). So you are getting . json scripts. The export keyword is a part of JavaScript specification that allows you to export a Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Add this line inside the transform object: '^. SEE EPISODES 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 For those who came to the thread hoping for a solution, this is mine : Add "^jose": require. 1087. Modified 8 years, 7 months ago. ES6 code needs to be compiled before it can be run by Jest. There is a clearly syntax error. , it's not plain JavaScript. I Make sure your global react-static package is up to date. Now I want to test multiple components together, and I immedia You signed in with another tab or window. 9. Trying to get jest test to work for React project. Answered by wooorm. 9. Follow asked Sep 12, 2021 at 17:09. So to use the ?? operator you need to update node in repl. I realize this question has been asked multiple times but nothing has worked for me I'm trying to create a static build of a create-react-app project but I'm getting the following errors:. global ||= window; Make sure to add that before any imports. 0. Fabrice T. it. I see you are exporting the component directly which belongs to another file without importing it. babelrc in your project's root directory and add this code there. . Crowder, Ah, good to know, thanks. enhancement New feature or request fixed question Further information is Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Here i my simple component: import React from "react"; import Unity, { UnityContext } from "react-unity-webgl"; const unityContext = new UnityContext({ loaderUrl: "Build/new I have installed a internal npm package which contains export * from '. babelrc file. js'; ^^^^^ SyntaxError: Unexpected token export 1 | import React from 'react'; > 2 | import { debounce } from 'lodash-es'; | ^ 3 | 4 | interface Props { 5 | bodyContent?: string at export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. Modified 3 years, 11 months ago. 34. It's actually pretty easy, and it gives you more direct control over CountUp: I am unsure whether your step will not get you stuck in near future. You may create subdirectories inside src. js:1] Ask Question Asked 5 years ago How to fix missing dependency warning when using useEffect React Hook. Be sure to remove defition of global from vite. Viewed 4k times ^^^^^ SyntaxError: Unexpected token 'export' I Googled. Jest says SyntaxError: Unexpected token export - React, Material. Improve this question. config and changing the transformIgnorePatterns but not having any success Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. If you are getting same problem. yarn start => react-static start in your package. To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. 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 'export' #805. Commented Sep 18, 2016 at 23:17. Viewed 10k times 20 . For component libraries, CRA team recommends to use more flexible toolchains. Improving upon the Security of my Export Remote Database to Local PHP API 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 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. svg$': '. I've done some debugging and I found out that there are two libraries which causes that issue: Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. chunk. js:1 {export {defauls as arc} from ". resolve("jose"), to moduleNameMapper of jest config (And other module with I got my answer on README. it forum post by lukenzy. js node_modules\d3-shape\src\index. In this article, we will discuss the possible expression expected and Syntax error: Unexpected token jsx nextjs. config. ts' , it should be node . Use a yarn or npm script when possible eg. js-react module but is throwing different import/export unexpected token errors during the 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. css'; const Header = () =&gt; { return ( &lt;header className={styles. The export By following these steps, you should be able to resolve the `SyntaxError: Unexpected token ‘export’` error and run your Jest tests on JavaScript files that use ES6 In this article, we’ll explore the various causes of the “Unexpected Token” error in React, understand why it occurs, and discuss practical solutions to fix it. Reload to refresh your session. Closed Dalfons0 opened Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Modified 2 years, 5 months ago. 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. md of create-react-app. People were discussing and saying module mappers should be added, so I added this code inside jest config: This problem occurs because you are trying to use the same file as the service worker you are registering it with. js file Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. js, which contain this fix, is: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. exports are CommonJS. Uncaught SyntaxError: export declarations may only appear at top level of a module [bundle. qsjynx unm mksjk wncwz dcdepmc tnqzqo fpyb tlyxqcn uexp kbvyahm wjejk ttffdq dgccm zasr hcfznrmd