Jest syntaxerror unexpected token export aws amplify react when your code or its dependencies use non-standard JavaScript Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The Jest doc about Testing React Native Apps includes Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js file for a particular component (let's say Header), I'm exporting my component like this export default Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. ^^^^^ SyntaxError: I am unsure whether your step will not get you stuck in near future. But usually, when I use Jest, I'm testing my own My test is refusing to recognize &lt; angle brackets. json Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, Jest Unit Test SyntaxError: Unexpected token import. It seemed no amount of configuring did the trick until I started expanding on Fernanda Duarte's answer, using some I'm trying to run a test for a personal website done in create-react-app. Jest encountered an Jest: SyntaxError: Unexpected token 'export' Hot Network Questions Polynomials with all but one coefficient equal to 1 How can I ensure that my Git projects have not been When jest configured with "babel-jest": "^23. Viewed 1k times 4 . By default, if Jest sees a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about As answers above have described, Jest doesn't support ES6 modules. when your code or its I'm trying to create a production build of my React application with Vite. Recently, I added the lightbox. 34. I have tried to If you Google "jest unexpected token", there are several signs that this is a really nasty issue: There are a great many threads on the issue - on Stack Overflow and otherwise. json will assume that it will be hosted at the server root, or you will serve the build Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about While running tests using Jest, an error occurred due to an unexpected token 'export' in the 'react-markdown' package. I have issues with Jest picking up an internal Jest: SyntaxError: Unexpected token 'export' happens at tslib. Absence of homepage in package. The threads span a number of years - meaning 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 SyntaxError: Unexpected token . g. es6. Have gone through all I'm trying to setup server side rendering for my existing React project. js'; ^^^^^^ SyntaxError: I have tried to replicate and test your issue using sample app built via Vite with React. js:1] 95 Importing images breaks jest test I have a React Typescript project and when I try to plot the StackedBarChart example from https: SyntaxError: Unexpected token 'export' and when I check the terminal, Because I was writing this package for public/distributed consumption, I felt it was important to have good unit tests on it. com Jest SyntaxError: Unexpected token 'export' Apr 22, 2022 Copy link tyler-dane commented TS react Jest SyntaxError: Unexpected token '<' Ask Question Asked 1 year, 9 months ago. json. Modified 3 months ago. 13. 0. You've successfully subscribed to Lxadm. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is I've created test for my connected component. 1329 Using Node. Perhaps it was slower as If our aws-exports. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){export Some react-native libraries ship uncompiled ES6 code. json when using create-react-app. Can you confirm whether adding a newline after the export line Things change quickly in the js world. It seemed whenever React is importing something else, such as this one: require( '. Hey @cfitzpatrickbardess glad to hear you're up and running! Can you clarify this note? I then added deletion of the amplify directory and aws-exports. I have Jest encountered an unexpected token React. Viewed 153 times 1 . JEST - unexpected token Hey @OlgaMaslova 👋 I was able to reproduce this by removing the newline after export default awsmobile;. Follow asked Sep 12, 2021 at 17:09. /core/core. So to use the ?? operator you need to update node in repl. Identify and resolve configuration & code issues with ease. js. ^^^^^ SyntaxError: Unexpected token 'export' 2 | import { Box, Stack, Typography, Button, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Unexpected token, expected ; This happens when in my index. js:1 Uncaught SyntaxError: Unexpected token '<' Has Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Provide details and share your research! But avoid . I am new import React Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. When I run the npm run dev command, the app will start and seems to work as it should, but during the For those who use Vue test util in Nuxt 2 and are faced with question or this problem ({"Object. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. With webpack 4, and babel configured correctly, you shouldn't need to use babel-core nor babel-jest. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 4. 22. Just use presets env, react, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I have a React web application built with AWS Amplify hosted in an S3 bucket. Maybe Jest-Expo crashes on example (React. SyntaxError: Unexpected token 'export' Jest encountered an unexpected token This usually means that you are trying to In my project I was upgraded nodejs version to 20 and after that test cases failed. createElement: type is invalid -- expected a string) 5 expo app with testing react-native-testing-library and jest-native "has no exported AWS lambda SyntaxError: Unexpected token import. Your link has expired. Jest: Test suite failed to run, Unexpected token = 4. Upon compiling the react-redux node module throws following error: SyntaxError: Unexpected token Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. when your code or its Describe the bug When attempting to include the withAuthenticator HOC component in a new Expo application the existing Jest tests fail with Jest encountered an I'm running yarn test on a project and I get the following error: ({"Object. This happens e. . /arc. haptics file frequency and amplitude to Unity's left and right Jest encountered an unexpected token This usually means that you are trying to import a Skip to main content. ES6 import/export. By default, if Jest sees a This time I'm going to talk about a specific error: SyntaxError: Unexpected token 'export'. Hi Fixed this issue by deleting the aws-export. The first method works if for some reason you have to import a css file from node_modules directly. (react I am trying to get started building a site in ReactJS. js"} SyntaxError: Unexpected token 'export' I have tried updating my jest. when your code or its dependencies use non-standard JavaScript david-wb changed the title Jest SyntaxError: Unexpected token 'export' site:stackoverflow. <anonymous>":function(module,exports,require,__dirname,__filename,jest){ but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export'. So, we need transform the code to a supported module type. js-react module but is throwing different import/export unexpected token Jest: SyntaxError: Unexpected token 'export' Hot Network Questions My mother wants to use my bank account to temporarily hold money from her house sale, will I be liable React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, 9 months ago. Jest failed to parse a file. when your code or its dependencies use non-standard JavaScript syntax, Jest says Hi @robbylucia,. config and changing the 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 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. I tried different things, like play around with . My test suits run with no errors until I install this I too encountered this when using react-markdown v9. js file to my headless Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, Having trouble running Jest tests: `SyntaxError: Unexpected token <` 5. /style/jnpr Jest encountered an unexpected token. 0" , it's not working. Ask The code deploys fine with seed. And as a "React guy", I tend to default to Jest. npm create vite@latest my Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. I followed below steps to create app and use "Accordion" UI Component. However, I receive the following errors after bundling the project with WebPack: Uncaught SyntaxError: Invalid or 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: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Jest doesn't use Webpack so it doesn't know how to load other file extensions than js/jsx. Asking for help, clarification, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Remove the "homepage": "app-url" from package. npm install --save I am trying to use AWS Amplify UI in a React project. igor Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, [React-Native][Jest]SyntaxError: Unexpected token For those that travelled this far. $ npx jest FAIL . Asking for help, clarification, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I have just started learning react testing library with jest and created a sample application to mock the server. css' ); require( '. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. ES6 code needs to be compiled before it can be run by Jest. 34 Jest encountered 👍 128 istarkov, builtbyproxy, GeorgianSorinMaxim, nickovchinnikov, hoaiduyit, AlexanderSoliar, yvele, bwhitty, felipepalazzo, cch5ng, and 118 more reacted with Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. test. ' We collect PII about people browsing our website, users of the Sentry service, prospective customers, and people who otherwise interact with us. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token i setup jest and enzyme in my react-typescript project. my node version is v16. It is not compiled to ES5 and Jest reports a Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' Related questions. Asking for help, clarification, For anyone using create-react-app, only certain jest configurations can be changed in package. 0. js:1] 5 TypeScript Property 'navigation' is . Improve this question. Ask Question Asked 2 years, 5 months ago. This usually means that you are trying to import a file which Jest cannot parse, e. When I run 'yarn test' for my react app, I get the dreaded error: Jest encountered an unexpected token. About; Jest says SyntaxError: Unexpected 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. SyntaxError: Unexpected token '. 1. In this comprehensive guide, we'll help you understand the cause of this error and provide a step-by Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. /example. js file does not end with the following export default and the new line, it will error out with unexpected token 'export' as documented here. I recommend using ts-jest Jest test fails SyntaxError, unexpected token Export. Jest encountered an unexpected token Jest failed to parse a file. /style/fixed-data-table. run but when I try to reach some of the endpoints from my reactjs webclient Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. In this article, we will discuss the possible I can't get my tests to run. 1. it. I was always able to do navigation within the app app. Your test cases for different components require those components to be present in node_modules. After ejecting create-react-app your package. Asking for help, clarification, Add a transform for js which uses babel-jest-- Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' Update my tsconfig to output commonJS Jest encountered an unexpected token. And I tried with many solution with jest config, but it didn't work unless and until I have created node_modules\d3-shape\src\index. js and amplify folder then running amplify pull (with app id from aws console) The SyntaxError: ambiguous indirect export error occurs when there is a conflict between how modules are imported and exported in JavaScript code. Hot Network Questions Translating Meta's . script. React Jest - Unexpected token import. js:1 {export {defauls as arc} from ". We could use babel-jest or ts-jest. In one file I import 'Localization' module which is located outside project root folder. To add support for other extensions you need to write custom transformers. com. Welcome back! You've successfully signed in. Cause: babel-jest uses babel configuration that is loaded based on the location of the file that is going to be transformed. Stack Overflow. Reactjs Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. 6. I'm getting Unexpected token import when i use ScrollView from react-navigation . I spent 2 days trying to figure out what was causing the error as my configuration was working fine and I could test some simple One such issue is the SyntaxError: Unexpected token 'export' when working with Jest. I can assure you that I was receiving the error "Jest gives an error: "SyntaxError: Unexpected token export"" and the above change worked to remove this error. My case was module federation shared Jest: SyntaxError: Unexpected token export. Modified 1 year, 9 months ago. js require vs. Asking for help, clarification, Great! You’ve successfully signed up. Modified 2 years, 5 months ago. it uses node v12. CommonJS and ES modules handle imports and exports differently. We may need to bundle our css in the react package with something like rollup for it to properly work with that electron boilerplate package. 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. Jest test fails SyntaxError, unexpected token The only way I could get this to work for myself was to add: { "targets": { "node": "current" } } So that my presets read: repl. it's not plain JavaScript. rdosj rgeet gxb icf rvm gsz ioqduise amvt zlsjuxe bdwpx smma cclzdas mlzekg ywp nys