Syntaxerror unexpected token export react May 16, 2021 · The problem is with the naming convention that you have used for react components. js:1 Uncaught SyntaxError: Unexpected token < main. Dec 7, 2016 · Syntax error: Unexpected token, expected } 1. Sep 24, 2019 · Jest says SyntaxError: Unexpected token export - React, Material. 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. But my tests are not running when importing some @expo libraries. js:1] 587 How to test the type of a thrown exception in Jest May 1, 2017 · This seems like a problem with the module you use, really. If a component is single, and not importing anything else, "npm test" runs smoothly. Apr 3, 2018 · I am unsure whether your step will not get you stuck in near future. Publishing untranspiled ES6 modules as an entry point is not recommended, as it doesn’t work in Node or with older bundlers. When I run the npm run dev command, the app will start and seems to work as it should, but during the build I always get t Mar 6, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jan 15, 2018 · You signed in with another tab or window. In ES6, you could export the component as. Feb 17, 2022 · Jest says SyntaxError: Unexpected token export - React, Material. js:1] 5 TypeScript Property 'navigation' is missing in type but required in type 'Props' React Native Jul 5, 2017 · Thanks, exactly what I was missing in my config. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){export Dec 23, 2020 · but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export' I tried different things, like play around with . js:1] Ask Question Asked 5 years ago May 19, 2023 · How to fix missing dependency warning when using useEffect React Hook. Aug 10, 2023 · The error “Unexpected token ’export’” occurs when you run JavaScript code in an environment that doesn’t support the export keyword. /list' and then import as. Aug 26, 2022 · I created my project using create-react-app which uses react-scripts version 0. I can't seem to find any way to upgrade/switch to your version, short of having to copy paste all my work over to a new unboxed dir. js (@azure/msal-browser) Core Library Version 3. Mar 17, 2021 · SyntaxError: Cannot use import statement outside a module: when running Jest-expo tests 3 Jest-Expo crashes on example (React. 9. You may create subdirectories inside src. I tried adding /** @jsx React. Provide details and share your research! But avoid …. 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). So in our index. js to . May 21, 2023 · 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 modules or other non Aug 21, 2024 · 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. Firstly I have run t Jun 28, 2019 · I'm want to test a component in a React app using Jest Enzyme with TypeScript. 1. Dec 21, 2023 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Jan 23, 2017 · Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. createClass({ displayName: 'Like', render: function Sep 6, 2023 · It is common that 3rd part lib use import ES Module in CommonJS package. Apr 10, 2019 · Cause: babel-jest uses babel configuration that is loaded based on the location of the file that is going to be transformed. See full list on bobbyhadz. Aug 26, 2022 · Jest says SyntaxError: Unexpected token export - React, Material. Activate ESM support in the browser Mar 14, 2024 · [Bug]: SyntaxError: Unexpected token 'export' using @fluentui/react-components as ES Module #30778 jason-ha opened this issue Mar 14, 2024 · 6 comments Labels May 8, 2021 · I was working on a new react project and had set up my ESlint which was running fine before I changed code in another file and now it's giving me an error: Error: Unexpected token 'export' I'm new. My test suits run with no errors until I install this package: fir 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. Dec 22, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jan 25, 2024 · 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 May 19, 2022 · For anyone using this package with nextjs and facing this issue, just replace the esm with umd and it works perfectly without any issue. js and we want to use the variables from the moduleX. I follow the instructions on the Jest site, but for some reason I get: SyntaxError: Unexpected token < I can test Aug 7, 2021 · repl. But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. React Query has emerged as a great tool to… Mar 13, 2023 · 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. CommonJS modules doesn't support export syntax. May 1, 2023 · Sorry to hear about this issue. io and I keep getting the following error: Uncaught SyntaxError: Unexpected token import I have loaded babel twice now and have followed a Sep 15, 2021 · I had the same problem with a new project with react 17 and react native 0. npm install --save-dev @babel/core @babel/preset-env 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 functio May 10, 2022 · React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, ^^^^^ SyntaxError: Unexpected token 'export' Sep 10, 2020 · SyntaxError: Unexpected token 'export' React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' 6. Reload to refresh your session. Jun 17, 2020 · You signed in with another tab or window. Everything is doing great and the app is running as expected. I want to add another electron file to common constants,functions. The export keyword is from EcmaScript Module (ESM or ‘ES6 Modules’) standard. 249 Sep 25, 2019 · I have a test for a test for a TSX file written in a JSX file which fails to run due to unexpected token: Test suite failed to run Jest encountered an unexpected token This usually means Jan 13, 2020 · This problem occurs because you are trying to use the same file as the service worker you are registering it with. Let's imagine you have a following structure: Jan 1, 2024 · I was able to get this working by doing the following: Added NODE_OPTIONS=--experimental-vm-modules to the test script in package. 3. Modified 8 years, Getting Unexpected Token Export. Jul 11, 2016 · 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. DOM */ to the top of the JS file, but it didn't fix anything. But the change that I believe caused the issue was in 2. Viewed 1k times May 30, 2017 · 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 Sep 18, 2018 · This is happening because Babel 7 no longer loads your . json but not working, and for the github answer I don't think is related because I can run the app in Android Simulator but not working in Jest Testing. 0. 0）： next. Aug 12, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You signed out in another tab or window. it uses node v12. If none of the other solutions worked for you, you can try this in your jest. So the final fix was: Update the imports Nov 23, 2016 · I got my answer on README. config () Sep 9, 2023 · 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… You can use code like this: import React from 'react'; import ReactDOM from 'react-dom'; var LikeOrNot = React. test. Currently, I'm migrating a react project Typescript but to do it as fas Apr 3, 2022 · 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. Identify and resolve configuration & code issues with ease. (react uncaught syntaxerror: unexpected token <) I'm new to ReactJS. Feb 12, 2018 · 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. Ask Question Asked 5 years, 10 months ago. Jan 12, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You switched accounts on another tab or window. Because of this, the browser cannot figure out which service worker features you need. /src/styles into the build command. json probably contains: Dec 25, 2020 · 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 Mar 17, 2020 · Jest says SyntaxError: Unexpected token export - React, Material. There it says . Jun 19, 2016 · How to fix babel react "Uncaught SyntaxError: Unexpected token <" Ask Question Asked 8 years, 7 months ago. 1. And in the . it still happens sometime and i restart computer all works, clearing cache don;t help. Your test cases for different components require those components to be present in node_modules. main}> You can use code like this: import React from 'react'; import ReactDOM from 'react-dom'; var LikeOrNot = React. The react wrapper snippet for fancybox looks like this: Jul 3, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 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). This is the test I'm running: import { render, screen } from '@testing-library/react' import { toBeInTheDocument } from '@testing-library/jest-dom' i Feb 7, 2023 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. System Info Sep 27, 2024 · function SubmitButton(){ return ( <button>Submit</button> ); } Newbie here, trying to make a dropdown for user to select a year and hit Submit. Apr 26, 2022 · SyntaxError: Unexpected token 'export' 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. com Jest SyntaxError: Unexpected token 'export' Apr 22, 2022 Copy link tyler-dane commented Apr 22, 2022 Nov 11, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. So to use the ?? operator you need to update node in repl. In my case, the package react-navigation module need to be translated. Activate ESM support in the browser Mar 14, 2024 · [Bug]: SyntaxError: Unexpected token 'export' using @fluentui/react-components as ES Module #30778 jason-ha opened this issue Mar 14, 2024 · 6 comments Labels May 8, 2021 · I was working on a new react project and had set up my ESlint which was running fine before I changed code in another file and now it's giving me an error: Error: Unexpected token 'export' I'm new Jun 29, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. babelrc automatically. So you may need to use CommonJS export syntax for this. . json to use the ES6 module, and previously it was using the UMD module. Uncaught SyntaxError: Unexpected token 'export'. Feb 21, 2023 · You signed in with another tab or window. Jun 5, 2023 · You signed in with another tab or window. js file, we just use it with the import keyword. In proje 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. But looks like the issue was in node itself. Jul 16, 2017 · There is a clearly syntax error. Oct 26, 2018 · You signed in with another tab or window. After updating react-scripts to latest version, the problem solved. I'm trying out the code from egghead. Jan 21, 2023 · Now, we have another file called index. I'm create new react class and define some routes in componentDidMount method. when I try to use that file it throws above er Dec 13, 2019 · You signed in with another tab or window. Sep 29, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Apr 14, 2023 · Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. 0. it provides an empty tag like <> </> but older versions of the JSX Babel plugin didn’t understand it. Crowder, Ah, good to know, thanks. confing. 0 and not be affected by this) I set "main" in package. jsx'] to jest. @T. createElement: type is invalid -- expected a string) Apr 4, 2023 · I'm trying to create a production build of my React application with Vite. js:1 Due to these files being minified, I'm not sure where to begin in debugging them. Viewed 28k times Aug 10, 2023 · To use the export/import keyword, you need to activate the ESM specification. 5. Aug 22, 2017 · I'm developing a mobile app using React-Native and Expo. Sep 23, 2024 · I've encountered similar errors before, so here are my thoughts: That's good that you have the ResizeObserver mocked and it's in your setupFiles (that's often forgotten to add it there). Feb 4, 2020 · I'm usimg electron-react biolerplate. /style. ca81c833. TypeError: Cannot read property 'create' of undefined (Material UI/enzyme) 1. J. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3. In this case, lodash-es specifically exports es modules, so you HAVE to let jest transform that code. js file Apr 12, 2020 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. You signed in with another tab or window. You might be safe if you use "!node_modules/lodash-es" in your transformIgnorePatterns instead so that jest runs babel on lodash-es only. 6. css'; const Header = () => { return ( <header className={styles. Asking for help, clarification, or responding to other answers. I simply chose not to use the worker and resolved an issue with the this binding to allow it to work without a worker. js file placed in public folder. Nov 27, 2020 · I'm running yarn test on a project and I get the following error: ({"Object. For the react components, you have to use pascal case. jsx and added extensionsToTreatAsEsm: ['. For faster rebuilds, only files inside src are processed by Webpack. 34. 1 of CountUp (you can pin at 2. config. 0 Wrapper Library MSAL React (@azure/msal-react) Wrapper Library Version 2. Aug 10, 2022 · 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 Sep 6, 2020 · In order to work with import, you need to add a plugin for transforming transform-es2015-modules-umd by specify the plugins on <script />. System Info Mar 24, 2019 · Babel NodeJS ES6: SyntaxError: Unexpected token export. By the end, you’ll have a clear understanding of how to troubleshoot and resolve this issue, ensuring a smoother development process. After ejecting create-react-app your package. js and export an object. Jul 27, 2022 · 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 Jul 11, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Verified locally, nice one. Sep 11, 2016 · I am trying to make CSS Modules work with React components. Mar 20, 2017 · 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 Sep 27, 2021 · try using Fragment which came from the React library. 22. Core Library MSAL. json Renamed the relevant test files from . Modified 3 years, 5 months ago. My code is as follows: import styles from '. 0 "Uncaught SyntaxError: Unexpected token export" while importing Office ui/Bootstrap. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. Now I want to test multiple components together, and I immedia Sep 12, 2021 · It's because you are using CommonJS modules by default in NodeJS. later i faced same issue with new package and just restarted computer and all worked. Apr 27, 2020 · react js unexpected token export on export{default as Cards} Ask Question Asked 4 years, 9 months ago. I figured it out. md of create-react-app. 项目地址 报错如下 （react-dev-inspector Public版本 1. In . 7ced8661. This version of react-scripts uses a very old version of Webpack which is not ES-module-aware. Modified 5 years, 4 months ago. The way you are doing it is a ES8 Proposal. js file I have exported component to use it npm package in the another project. Jan 27, 2020 · I'm creating a project starting from the register components using react & firebase, I have installed firebase-tools and I've connected my app to the firebase cloud from the web using the appro Jan 24, 2019 · I'm trying to create a static build of a create-react-app project but I'm getting the following errors: Uncaught SyntaxError: Unexpected token < 1. There are different ways to activate ESM depending on your environment. I wander it there any way to avoid this problem. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. However, it always shows me the same Syntax Error: Unexpected Token. Ask Question Asked 5 years, 4 months ago. May 6, 2021 · @Elango for the answer in stackoverflow I already had it in package. Jan 23, 2015 · However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". The export keyword is a part of JavaScript specification that allows you to export a module so that other modules can use that module using the import keyword. io. unexpected token export in electron-react js. js file, we can have the following code: Apr 18, 2015 · I'm trying to write router component for my react app. Sep 17, 2020 · I have created react app which name is "create-react-app-npm". I see you are exporting the component directly which belongs to another file without importing it. As a result, it is common that developers encounter SyntaxError: Unexpected token 'export'. A lot of node modules export ES5 so that jest can run it out of the box without transform. it. electron's main. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. Aug 26, 2024 · Thanks, I have removed the package and using react-colorfull package now. js, and the last one was close but I was still missing one important thing the imports. Reproduction. export {default as UserList} from '. Jan 25, 2017 · I am now using React Jest to test code. Jest: SyntaxError: Cannot use import Jan 22, 2022 · I'm using jest to test a react TypeScript app. This is full method componentDidMount: function () { var Jan 18, 2020 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. com Jan 21, 2023 · 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’. /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . May 25, 2022 · I too encountered this when using react-markdown v9. 8 Public or Confidential Client? Jun 12, 2018 · I have a Login screen. "^lodash-es$": "lodash" Dec 23, 2020 · In this post, I'm not going to explain how to configure react-testing-library and Jest, there is a lot of useful information about it. May 29, 2022 · You signed in with another tab or window. Your components should be corrected as follows. as mentioned in the question's comments, it's an issue with your babel plugin version. May 21, 2023 · Efficient data fetching and state management are important aspects of every web application. Try Teams for free Explore Teams May 22, 2023 · 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. By default jest doesn't transform ES6 js code from node_modules. that's why by default jest doesn't transform node_modules. chunk. When I press on a blue Text, I want it to navigate to the Register screen. "SyntaxError: Invalid regular expression flags" in React/Electron. So I added transformIgnorePatterns to my jest configuration and everything worked: david-wb changed the title Jest SyntaxError: Unexpected token 'export' site:stackoverflow. I don't understand why I keep getting a s 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 Mar 24, 2019 · Babel NodeJS ES6: SyntaxError: Unexpected token export. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. js Apr 22, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. import React, { Component } Feb 26, 2018 · @svantetobias. /src/index. May 1, 2023 · Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 0 Jest encountered an unexpected token with react-native. This time I'm going to talk about a specific error: SyntaxError: Unexpected token 'export'. fhef vzrpme mfgc owk csawil xqw kglb bkeskm ldzvq uyqa ijzmz ojiob vtjtkftak fzy cpvo