Syntaxerror unexpected token export react Jest: SyntaxError: Cannot use import statement outside a module in React I am using React Testing Library but I don't think this is the issue as the test fails on the file imports. 14. use(express. answered Feb 9, 2018 at 11:40. css stylesheet. config. js require vs. SyntaxError: Unexpected token 'export' #987. @krizzu, no help, at least, with the "Jest setup file" option. 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:. . 1. Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. chunk. Here i my simple component: import React from "react"; import Unity, { UnityContext } from "react-unity-webgl"; const unityContext = new Now, we have another file called index. Modified 2 years, 5 months ago. 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 [React-Native][Jest]SyntaxError: Unexpected token import. SyntaxError: Unexpected token export, when import not compiled libraries #970. js throws SyntaxError: Unexpected token export Hot Network Questions In principle, could the Many-Worlds Interpretation be tested via interference? react js unexpected token export on export{default as Cards} Ask Question Asked 4 years, 9 months ago. /src/index. Another thing to mention is the way you call a function , es6 introduces the arrow function I had the same problem with a new project with react 17 and react native 0. You signed out in another tab or window. My test suits run with no errors until I install this package: fir SyntaxError: Unexpected token 'export' (from 'react-leaflet') while using Jest 1 jest moduleNameMapper fixes unexpected token 'export' now breaks relative module import 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. This version of react-scripts uses a very old version of Webpack which is not ES-module-aware. 0）： next. You need to edit your jest. 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 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. ts' , it should be node . and while viewing in the local storage the key comes as undefined. Fragment> <button className="square">X</button> </React. unexpected token export in electron-react js. 34 Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3 Jest: SyntaxError: Unexpected token 'export' Load 7 more related questions module. You need to put any JS and CSS files I created my project using create-react-app which uses react-scripts version 0. I am trying to make CSS Modules work with React components. js files as EsModule files, instead of as CommonJS files. js:1 Uncaught SyntaxError: Unexpected token < Using window. babelrc to babel. I tried different things, like play around with . json file. I am having problem with react setup via CDN. exports. resolve("jose"), to moduleNameMapper of jest config (And other module with every time I compose react component I make folder for it. Closed Dalfons0 opened Jest test fails SyntaxError, unexpected token Export. /Header'; const Layout = (props) => { return( <Fragment> SyntaxError: Unexpected token 'export' on running React Project. Can't use arrow function in ReactJs + Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I am using jwt for token authentication. Peter Mortensen. Answered by wooorm. 0 "Uncaught SyntaxError: Unexpected token export" while importing Office ui/Bootstrap. Modified 4 years, 9 months ago. Create React App/CRA is not the optimal tool to build and bundle npm packages, its main purpose is to create Single Page Applications. I also had the same problem with a React project when I was trying to load the web worker file and pass it to my new worker. Steps to Reproduce. Dockerfile: FROM node:12. After updating react-scripts to latest version, the problem solved. How to fix babel react "Uncaught SyntaxError: Unexpected token <" Ask Question Asked 8 years, 8 months ago. confing. 1328 Using Node. omgui asked this question in General. 1 RUN npm install webpack -g WORKDIR /tmp COPY package. It seems that because of the new ESM format of this module, jest really has trouble with. Ask Question Asked 5 years, 11 months ago. js file in the root directory. 17. Improve this answer. js, and the last one was close but I was still missing one important thing the imports. I'm trying out the code from egghead. It seems babel Jest encountered an unexpected token when testing react-native with jest. To activate ESM support in the browser, you need to specify the type="module" attribute in the <script> tag. 0 C:\Users\EvgenyShlykov\Documents\GitHub\mwr-unexpected-token-export `-- react-scripts@1. and I make files index. Share. When using command: npm start I have an error: ERROR in . pidehen23 opened this issue Sep 21, 2021 · 11 comments Labels. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. js Module build SyntaxError: Unexpected token export. 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). 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. script. Operating system: Windows 10 Home Single Language. As per the accepted answer @sdgluck, I had to add a babel. 34. Fragment> ); } The LSP for JavaScript should be setup by default. It worked but now the styles do not get rendered from the server. js:1] 5 TypeScript Property 'navigation' is missing in type but required in type 'Props' React Native Jest says SyntaxError: Unexpected token export - React, Material. Closed eshlykov opened this issue Nov 23, 2017 · 3 comments (if you haven’t ejected): mwr-unexpected-token-export@0. Noe that changes the handling of any *. 663 9 9 silver badges 23 23 bronze badges. 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 - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. 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 signed in with another tab or window. Ask Question Asked 2 years, 5 months ago. Modified 5 years, 11 months ago. Activate ESM support in the browser. After ejecting create-react-app your package. Load 5 more related questions Show fewer related questions Sorted by: You signed in with another tab or window. i create the reactjs app, test and compile it with webpack, it is fully functional and every thing is okay, once i need to make a production build it compiled successfully and dist folder created, 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. io and I keep getting the following error: Uncaught SyntaxError: Unexpected token import I have loaded babel twice now and have followed a Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. igor. The default export is not a React Component in page: "/" 5. React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' 6. 3. _compile (module. TypeError: Cannot read property 'create' of undefined (Material UI/enzyme) 1. Modified 3 years, 6 months ago. how to fix reactjs syntax error: unexpected token? 0. Follow edited Oct 22, 2020 at 6:04. com Jest SyntaxError: Unexpected token 'export' Apr 22, 2022 Copy link tyler-dane commented Apr 22, 2022 The issue is that you're trying to mix the ES5 require statement with the ES6 syntax for export. acerix changed the title v6 with jest: SyntaxError: Unexpected token 'export' SyntaxError: Unexpected token 'export' when running jest tests Dec 28, 2022. Provide details and share your research! But avoid . Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' This problem occurs because you are trying to use the same file as the service worker you are registering it with. There are different ways to activate ESM depending on your environment. Ask Question Asked 5 years, 10 months ago. import { configure } from "enzyme"; import Adapter from "enzyme-adapter-react-16"; configure({ adapter: new Adapter() }); 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 ran into a similar situation where I wanted to test a React component . i am doing this trying to copy a tutorial and it looks like it works for the tutor but not me! javascript; reactjs; Share. You can find more information on how to write good answers in the help center. Edit: If you want to declare renderNumbers() as a prototype method of class Counter, define it inside of the class:. Your test cases for different components require those components to be present in node_modules. There it says . As mentioned I made changes to my index. js:. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Viewed 944 times React Native/Expo yet another SyntaxError: Unexpected token import while testing. The projectTest happens to be a Reactjs project, written in ES2015, Webpack, babel, etc; and where I do import { x } from 'package', without any issues, { ^^^^^ SyntaxError: Unexpected token export at Object. Also, can you tell me why you shifted to a require syntax for index. Giving the full context of the erro: ({"Object. Viewed 10k times 20 . js and make sure you use module. igor script. However, when I run the command: SyntaxError: Unexpected token export on debugging. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. Improve this question. /add. js:543:28) From what I can see this far, is that, in the I'm developing a mobile app using React-Native and Expo. main}> 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 Trying to get jest test to work for React project. js' so your jest. Viewed 4k times ^^^^^ SyntaxError: Unexpected token 'export' I Googled. js ├── component │ ├── index. exports = {}; Share. as mentioned in the question's comments, it's an issue with your babel plugin version. js and export an object. 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 Your answer could be improved with additional supporting information. js. it's not plain JavaScript. 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 encountered an unexpected token - SyntaxError: Unexpected token 'export' Related questions. 1089. Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Hi, Thank you for your response. babelrc automatically. So to give you some steps to follow: rename your . In ES6, you could export the Therefore you're trying to run uncompiled ES6 code in the browser, which is why you see the error of "unexpected token export" The solution is to either eject and customize The error “Unexpected token ’export’” occurs when you run JavaScript code in an environment that doesn’t support the export keyword. Modified 7 years, 6 months ago. js:1 Uncaught SyntaxError: Unexpected token < main. You either have to use one or the other. Modified 1 year, 11 months ago. import React, { Component } rasterToVectorWorker. js and we want to use the variables from the moduleX. io. However I will mention here how to clear cache on Google Chrome. This causes node to handle *. Hot Network Questions Are you allowed to cancel masses of different materials in chemistry to create a dimensionless quantity? SyntaxError: Unexpected token export #3500. js file with jest, but it was failing because the component imported a . Viewed 19k times 7 . exports = { env: { test: { presets: [ [ '@babel/preset-env', { modules: 'commonjs', debug: false } ], '@babel/preset-flow', '@babel/preset-react' ], plugins . Recently, I added the lightbox. enhancement New feature or request fixed question Further information is 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. A simplified version of server/index. Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". jsx index compo Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js:1] Ask Question Asked 5 years ago I'm trying to setup server side rendering for my existing React project. answered [React]Jest SyntaxError: Unexpected token import. ReactJS SyntaxError: Unexpected token. js file, we can have the following code: You signed in with another tab or window. May be you are doing 'node . Asking for help, clarification, or responding to other answers. 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 export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. js (@azure/msal-browser) Core Library Version 3. For Typescript it doesn't setup one, rather consuming the tsserver directly. Publishing untranspiled ES6 modules as an entry point is not recommended, as it doesn’t work in Node or with older bundlers. jsx for example ├── App. 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. Follow edited Feb 1, 2023 at 3:08. tests failing with SyntaxError: Unexpected token export. Still I'm not able to explain the exact reason for that. nextjs 项目中报错： SyntaxError: Unexpected token 'export' #98. Jest is failing because of missing property in Expo (React Native) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 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 1 year, 11 months ago. I follow the instructions on the Jest site, but for some reason I get: SyntaxError: Unexpected token < I can test Jest says SyntaxError: Unexpected token export - React, Material. You signed in with another tab or window. Uncaught SyntaxError: Unexpected token in import React from 'react' 0. Inside setupTests. So in our index. import React, {Fragment} from 'react'; import Header from '. 81 1 1 gold badge 1 1 silver badge 5 5 bronze badges. So to be clear, I've followed the instructions to include 2 lines in my setup file, AND included the transformIgnorePatterns you suggested. You switched accounts on another tab or window. svg$': '. If you are getting same problem. 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 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. I see you are exporting the component directly which belongs to another file without importing it. SyntaxError: Unexpected token import - reactjs. js with an s at the end of Tests. However, it always shows me the same Syntax Error: Unexpected Token. js-react module but is throwing different import/export unexpected token errors during the t SyntaxError: Unexpected token export when trying to use @babel/register. /style. I have a test Jest encountered an unexpected token React. js'; ^^^^^ SyntaxError: Unexpected token export 1 | import React from 'react'; > 2 | import { debounce } from 'lodash-es'; | ^ 3 | 4 | interface Props { 5 | bodyContent?: string at Jest says SyntaxError: Unexpected token export - React, Material. ReactJS: "Uncaught SyntaxError: Unexpected token <" 10 Uncaught SyntaxError: Unexpected token export. md of create-react-app. json. 1 "SyntaxError: Invalid regular expression flags" in React/Electron. I have a react project with Webpack which I'm trying to dockerize it following this article. Modified 3 months ago. Follow edited Nov For me when using React with create-react-app I had to make sure the file name was correct. [Bug]: SyntaxError: Unexpected token 'export' using @fluentui/react-components as ES Module #30778 jason-ha opened this issue Mar 14, 2024 · 6 comments Labels Jest is throwing SyntaxError: Unexpected token 'export' while using azure-devops-ui\Page component I have used ts-jest for transformation D:\Enablement\steam-azdo-testconfig-utility\src\node_m I'm using NextJs and below is my package file details "scripts": { "dev": "next dev", "build": "next build", " Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. For component libraries, CRA team recommends to use more flexible toolchains. React - Material UI test TypeError: Cannot read property 'get' of undefined. +\\. Jest: SyntaxError: Unexpected token 'export' Hot Network Questions Is "See that cornbread" pun here? I'm trying to run a test for a personal website done in create-react-app. 9. reactjs; jwt; token; Share. I was using Babel with Webpack. js file and why not ES module syntax work considered that I'm adding type : "module" in my package. js, which contain this fix, is: 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 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. js files of the current package, if you want to mix EsModule 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. My code is as follows: import styles from '. You may create subdirectories inside src. SyntaxError: Unexpected token 'export' in Next. – Community Bot Try setting ""type": "module"," in you package. 9. js:1] 587 SyntaxError: Cannot use import statement outside a module. but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export'. React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, 9 months ago. I'm trying to use babel to run my NodeJS program, which includes ES6 syntax and exports from the Colyseus library. Modified 3 years, 11 months ago. ES6 code needs to be compiled before it can be run by Jest. (react uncaught syntaxerror: unexpected token <) SyntaxError: Unexpected token export when trying to use @babel/register. Viewed 1k times 4 . Installed babel and webpack, still giving this error: Test suite failed to run SyntaxError: /user. it provides an empty tag like <> </> but older versions of the JSX Babel plugin didn’t understand it. 10. 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. Fabrice T. 0. Here’s an example: 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 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. Because of this, the browser cannot figure out which service worker features you need. json /tmp/ RUN npm 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 appropriate means but I keep getting the 3 errors stated above in my console when trying to register a user from my react app. 1. Identify and resolve configuration & code issues with ease. This is happening because Babel 7 no longer loads your . The way you are doing it is a ES8 Proposal. Upon compiling the react-redux node module throws following error: SyntaxError: Unexpected token import at createScript (vm 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. When I press on a blue Text, I want it to navigate to the Register screen. 7ced8661. js:1] 18 Jest encountered an unexpected token with react-native Babel NodeJS ES6: SyntaxError: Unexpected token export. 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. js:1] 3 SyntaxError: Unexpected token import with Jest + react-native-animated-ellipsis try using Fragment which came from the React library. acerix assigned arshaw Dec 28, I've mentioned this workaround at the bottom of the fullcalendar-react docs and the example project. 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 Solution: use middleware "app. js'. ca81c833. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){import I'm want to test a component in a React app using Jest Enzyme with TypeScript. 0 Wrapper Library MSAL React (@azure/msal-react) Wrapper Library Version 2. Getting Unexpected Token Export. As you have ejected CRA, you can still try to adjust Webpack config. js is the following:. 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 I am unsure whether your step will not get you stuck in near future. /svgTransform. This is full method componentDidMount: function () { var Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. onmessage did not solve the problem as well. js:1 To use the export/import keyword, you need to activate the ESM specification. The export keyword is from In mi case all items within esModules were giving me errors of "SyntaxError: Unexpected token export" then //babel. How do I conditionally add attributes to React components? 881. Uncaught SyntaxError: Unexpected token 'export'. exports = {}; run jest Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. EDIT: I am using create-react-app without ejecting and adding webpack loaders. I've seen multiple similar issues and it seems to boil down to that. ES6 import/export ReactJS: unexpected token '<' 11 Jest and Babel transpilation - SyntaxError: Cannot use import statement outside a module 项目地址 报错如下 （react-dev-inspector Public版本 1. For faster rebuilds, only files inside src are processed by Webpack. The two are incompatible. 6. 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. 2. js:78:16) at Module. Viewed 9k times React Unexpected token < - babel loader. js I'm running yarn test on a project and I get the following error: ({"Object. I apologize in advance for my approximate english :) Here is a little recap: We have a Rails 4 project, and we added recently some of React components with the React_on_rails gem, so we need to implement Webpack as a friend to the Asset Pipeline (Yeah I know, Rails 5 do it really better) Import React in Node. js: Unexpected token, expected "," export Core Library MSAL. css'; const Header = () => { return ( <header className={styles. 0. runInThisContext (vm. I'm create new react class and define some routes in componentDidMount method. SyntaxError: Unexpected token import. js │ └── Component. I understand that the build is done by 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 too encountered this when using react-markdown v9. Reactjs npm david-wb changed the title Jest SyntaxError: Unexpected token 'export' site:stackoverflow. I tried a 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. The Jest doc about Testing React Native Apps includes a section about compiling dependencies that don't ship pre-compiled code. 5. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){export 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 For those who came to the thread hoping for a solution, this is mine : Add "^jose": require. My guess at this point is that the problem comes from the build done in remix. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3. Ask Question Asked 7 years, 10 months ago. 252 Jest gives an error: "SyntaxError: Unexpected token export" 14 create-react-app & jest — SyntaxError: Unexpected 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. exports = { // [] presets: [['@babel/preset-env', { targets: 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 import React, {lazy} from 'react'; const CountUp = lazy (() => import ('react-countup')); export default function MyComponent {return < CountUp start = {0} end = {10} />;} SyntaxError: Unexpected token 'export' 4 | //Import React 5 | import React, {useEffect, useState} from 'react'; > 6 | import { StackActions, NavigationActions } from 'react SyntaxError: Unexpected token 'export' #805. js module. The file has to be src/setupTests. Viewed 28k times 12 . js file Jest-Expo ( SyntaxError: Unexpected token 'export' ) Ask Question Asked 3 years, 11 months ago. static('. So the final fix was: Update the imports After struggling a lot, I found out that it is caused by the browser cache. 6k 22 22 gold badges 110 110 silver badges 133 133 bronze badges. /'));" to provide the location of the static resource file 'bundle. People were discussing and saying module mappers should be added, so I added this code inside jest config: module. Reload to refresh your session. json nor does it have 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. The problem was solved after clearing browser cache on Chrome. Jest - I'm trying to use FAST web-components in a remix application, but so far no luck. import React from "react"; export default function Square() { return ( <React. js and component. This was as per the docs import { This seems like a problem with the module you use, really. 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). Add this line inside the transform object: '^. Follow asked Sep 12, 2021 at 17:09. 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. I simply chose not to use the worker and resolved an issue with the this binding to allow it to work without a worker. The export keyword is a part of JavaScript specification that allows you to export a 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 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’. 572 Getting Unexpected Token Export. Maybe You signed in with another tab or window. js file and converted it to require syntax. I'm new to ReactJS. 471 How do you test for the non-existence of an element using jest and react-testing-library? 807 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Uncaught SyntaxError: Unexpected token < 1. Cause: babel-jest uses babel configuration that is loaded based on the location of the file that is going to be transformed. Viewed 356 times SyntaxError: Unexpected token 'export' What am I missing? javascript; reactjs; typescript; ts-jest; react-typescript; Share. Stack trace: export { default as add } from '. Jest: SyntaxError: Unexpected token 'export' Hot Network Questions I am trying to get started building a site in ReactJS. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Everything is doing great and the app is running as expected. Reactjs - Uncaught SyntaxError: Unexpected token < Hot Network Questions I'm trying to write router component for my react app. Jest encountered an unexpected token React. You will need to tell Jest to compile react-navigation-tabs by whitelisting it in the transformIgnorePatterns option in Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 31. js file, we just use it with the import keyword. Modified 8 years, 8 months ago. Some react-native libraries ship uncompiled ES6 code. I got my answer on README. g.
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