Jest syntaxerror unexpected token export aws sdk react Reload to refresh your session. /style/fixed-data-table. js will look like this: Jan 15, 2019 · I've created test for my connected component. js-react module but is throwing different import/export unexpected token errors during the t Jun 17, 2020 · You signed in with another tab or window. 0 and jest-environment-miniflare@2. Add this line inside the transform object: '^. I tried adding /** @jsx React. However, your answer fixed this for me. ---Disclaimer/Disclosure: Som Feb 14, 2022 · Test suite failed to run Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. SyntaxError: Unexpected token 'export' Jest encountered an unexpected token This usually means that you module. createElement: type is invalid -- expected a string) 5 expo app with testing react-native-testing-library and jest-native "has no exported member 'toHaveProp" 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 tests やプロジェクトルートなどに __mocks__ ディレクトリを作成して ts / js ファイルを作成するのが通例のようです。 公式ドキュメントでは GlobalImageStub など不思議なことが書いていますがあくまでサンプルなので ts / js ファイルを作成する必要があります。 Oct 14, 2024 · FAIL __test__/sum. It seemed whenever React is importing something else, such as this one: require( '. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. x of jest so I think since I'm just now upgrading from 27. 1. However, despite following dozens of how-tos and tutorials, I am not able to fix the issue below. APP_ENV !== 'dev' ? Config. Jest: SyntaxError: Unexpected token 'export' Load 7 more related questions Show fewer related questions Oct 6, 2023 · You signed in with another tab or window. See full list on dev. 3. ts file in all my apps to match your snippet, and it worked. Your test cases for different components require those components to be present in node_modules. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){import glyphMap ^^^^^ SyntaxError: Unexpected token import Googling a solution I ended up most of the time with something similar to what is mentioned here . If a component is single, and not importing anything else, &quot;npm test&quot; runs smoothly. I've done some debugging and I found out that there are two libraries which causes that issue: Jan 29, 2024 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. js, and the last one was close but I was still missing one important thing the imports. 3. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. May 27, 2022 · Hey. Jest failed to parse a file. The test fails right out of the box with "SyntaxError: Unexpected token {". Jan 23, 2015 · However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". Running with jest and react-testing-library. scss' ); Jun 28, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. /jsonServer'; export * from '. However, I receive the following errors after bundling the project with WebPack: Uncaught SyntaxError: Invalid or unexpected token (in Chrome) Feb 3, 2023 · 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. Aug 22, 2017 · ({"Object. css' ); require( '. Dec 13, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. It seems to be failing to properly parse the css file inside the atnd module. So the final fix was: Update the imports Apr 20, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Each yearly preset only compiles what was ratified in that year. /svgTransform. I finally found a workaround for this. Dec 24, 2023 · You can do so by checking for the following configurations: You're Using the Right Transformer ; You're Using the Right Jest Testing Environment ; You're Using the Right " jsx " Mode in tsconfig. Ask Question Asked 2 years, 6 months ago. because it is a JS file with TS syntax, or it is published to npm as uncompiled source files. test script "scripts": { "test": "jest --cov Jul 9, 2019 · Trying to set up Jest to test my React components (Technically I'm using Preact) but same idea Anytime I try to get a coverage report, I get errors when it hits any jsx syntax. when your code or its dependencies use non-standard JavaScript syntax, or when Jan 19, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. This is the test I'm running: import { render, screen } from '@testing-library/react' import { toBeInTheDocument } from '@testing-library/jest-dom' i Aug 2, 2022 · I was using a jest. Here is my list, but you can simply add "@aws-sdk/client-cloudformation": "3. Jan 22, 2019 · I succeed to deploy my code to lambda function running Node 8. 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. For anyone using create-react-app, only certain jest configurations can be changed in package. Sep 10, 2020 · i setup jest and enzyme in my react-typescript project. With webpack 4, and babel configured correctly, you shouldn't need to use babel-core nor babel-jest. js' ^^^^^ SyntaxError: Unexpected token 'export' > 1 Sep 16, 2022 · This could be a temporary workaround until babel configs are fixed. Sep 16, 2022 · Jest failed to parse a file. Aug 9, 2023 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. g. Jun 11, 2020 · I believe your case is pretty much similar to these ones: amcharts4 issue #2133 - github OR Jest encountered an unexpected token. 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. /simple'; export jsonServerRestClient from '. May 16, 2021 · The problem is with the naming convention that you have used for react components. For the react components, you have to use pascal case. Asking for help, clarification, or responding to other answers. SENTRY_DSN : undefined, debug: Config. Marcus, a seasoned developer, brought a rich background in developing both B2B and consumer software for a diverse range of organizations, including hedge funds and web agencies. Feb 5, 2025 · Exploring the causes and solutions for unexpected token export errors when running Jest tests in a Create-React-App project, particularly after adding a third-party React module like lightbox. You switched accounts on another tab or window. Just use presets env, react, stage-0 to babelrc. from 'react Aug 2, 2022 · I had the latest version of nx, i. /style/jnpr-datatable. I've searched for previous similar issues and didn't find any solution. Jan 22, 2022 · I'm using jest to test a react TypeScript app. May 9, 2023 · TS react Jest SyntaxError: Unexpected token '<' Ask Question Asked 1 year, 9 months ago. +\\. , it's not plain JavaScript. This happens e. By making it "^uuid$" this started working for me. Your components should be corrected as follows. Oct 14, 2024 · In my project I was upgraded nodejs version to 20 and after that test cases failed. APP_ENV !== 'production', environment: Config. json file on root directory. 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). when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. Jun 15, 2022 · Next. 714. Now I want to test multiple components together, and I immedia May 6, 2021 · @Elango for the answer in stackoverflow I already had it in package. 3 to 27. Dec 23, 2020 · but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export' I tried different things, like play around with . Modified 2 years, Jest encountered an unexpected token React. Explore Teams Mar 17, 2021 · Jest-Expo crashes on example (React. js file Dec 4, 2018 · When jest configured with "babel-jest": "^23. May 25, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. The solution for me: console. Apr 3, 2018 · I am unsure whether your step will not get you stuck in near future. Provide details and share your research! But avoid …. Unexpected token 'export' when using `@aws-sdk` with Jest "SyntaxError: Unexpected token export" Jest: Unexpected Token Export With React-Navigation. js file in the root directory. Mar 17, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jan 25, 2017 · SyntaxError: Unexpected token . There is a common approach to fix such issue. js. Sep 5, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. 0 and still seeing the above issue. js と AWS Amplify を使ったプロジェクトで、TypeScriptのファイルに対してJestのテストを書いたら、 SyntaxError: Unexpected token 'export' エラーが発生。 このエラー自体はよくあるやつだが、設定を大きくいじらず解決する方法を調べるのに結構時間がかかったので Jul 16, 2017 · export simpleRestClient from '. May 1, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. npx nx migrate latest didn't create any migration file (so it said). 在使用 Jest 进行单元测试时,遇到 “SyntaxError: Unexpected token 'export'” 的问题,是因为 Jest 默认不支持 ES6 的模块语法。我们可以使用 Babel 转换器或者 Jest 的 esModules 选项来解决这个 I've seen some other answers and GitHub issues that describe this, but I haven't been able to find a solution in my case. May 31, 2023 · Jest encountered an unexpected token. Nov 9, 2022 · I am having the same issue. tests failing with SyntaxError: Unexpected token export. Expected behavior Feb 9, 2024 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. test. However, I am seeing jest tests choke when using such imports with SyntaxError: Unexpected token export errors. Weirdly this may be somehow related to using enums? See the reproducible demo below. Have gone through all the solutions for the o Jan 13, 2025 · The issue that package change-case has only ESM version (lates version code) and Jest has only experimental ESM support feature. 5. I tried every option with similar issues, but I can't get it to work. Jan 30, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. Share Sep 16, 2018 · Uncaught SyntaxError: Unexpected token < It disappears once I refresh the page. Jan 27, 2017 · I am running a jest test which depends on the "antd" node module. json dependencies. Based on this, on latest configurations you must use/replace your Plugins/Preset of es2015 and any esX to the new one: env. Dec 28, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. json. Jun 23, 2022 · I am trying to use AWS Amplify UI in a React project. js:1] 95 Importing images breaks jest test 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. This means that a file is not transformed through TypeScript compiler, e. Sep 24, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Since there is the same problem with other third-party libraries (such as Native Base), I concluded there must be a problem with transformIgnorePatterns. Sep 15, 2024 · The Problem When running the Jest JavaScript testing framework in a React app, from '. Jest encountered an unexpected Apr 22, 2019 · Sorry for unclear answer, I meant that, the line of code where Jest fails on, is part of react-navigation-tabs library, not my code; But where my code, needs and imports it, there is not any issues with jest, so, Jest does work in my files but fails on the sub-libraries (I can not just remove all my usages of external libraries, specially this one is required for the tabs of the application) Because NODE_PATH doesn't work in Typescript, I believe this is the only way to do absolute imports in create-react-app-typescript. I'm getting Unexpected token import when i use ScrollView from react-navigation . json probably contains: Jest is a JavaScript testing framework that is designed to be simple, fast, and reliable. Choosing the Right Transformer You can use babel-jest or ts-jest as a transformer: Using babel-jest as the Transformer You should use babel-jest Feb 17, 2022 · Jest encountered an unexpected token Jest failed to parse a file. Aug 1, 2022 · Add a transform for js which uses babel-jest-- Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' Update my tsconfig to output commonJS modules Update my tsconfig to allowJs:true and update my jest transforms to parse JS with ts-jest Jun 25, 2017 · Having trouble running Jest tests: `SyntaxError: Unexpected token <` 0. config. I'm getting the dreaded SyntaxError: Unexpected token export when trying to Jan 7, 2025 · For a temporary working solution, explicitly add the working versions of the following packages to the package. And I tried with many solution with jest config, but it didn't work unless and until I have created jest. json when using create-react-app. x I'll stick with this solution for now. 这样,我们就可以在测试代码中使用 import 和 export 语法了。 总结. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. Jan 25, 2017 · I am now using React Jest to test code. How can I solve this? Mar 2, 2018 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. js:1] 95 Importing images breaks jest test Mar 13, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Perhaps it was slower as you mention, but at least the tests worked. Feb 5, 2025 · I'm trying to run a test for a personal website done in create-react-app. I had an issue in which my unit tests were running just fine on my machine but failing on jenkins, your solution caused jest to give me a warning saying that globals are deprecated and then the tests took forever, I removed the globals and ended up with: Jul 3, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Interestingly I have been able to work around it by mocking the uuid library in tests like this. May 10, 2022 · React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, Jest test fails SyntaxError, unexpected token Export. Jun 3, 2019 · Hello! I get SyntaxError: Unexpected token export when trying to running my test. I chose version 3. log({ dsn: Config. [React]Jest May 6, 2020 · Try to perform a manual typescript compilation by running 'npx tsc' (if installed locally, which you should). /lib/uri-transformer. Aug 24, 2018 · I'm integrating jest into my nuxt application using vue-test-utils (following Edd Yerburgh's new book). APP_ENV, attachStacktrace Dec 1, 2022 · 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 Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. 0. exports = { env: { test: { presets: [ [ '@babel/preset-env', { modules: 'commonjs', debug: false } ], '@babel/preset-flow', '@babel/preset-react' ], plugins 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 TypeScript Jest: Unexpected Token Export I'm trying to run unit tests for a TypeScript project which uses another TypeScript project I've created as a dependency. js (I tried to get jest to ignore sendbird, but to no avail): Jan 18, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 1, using Babel version 6. It is used by a wide range of developers, from beginners to experts. It is not compiled to ES5 and Jest reports a SyntaxError: Unex Apr 15, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 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. Learn how to fix the Jest SyntaxError: Unexpected token 'export' in your React TypeScript project by following these easy steps. Sep 6, 2017 · Things change quickly in the js world. In one file I import 'Localization' module which is located outside project root folder. 1. 6. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns and adding "allowJs": true to our tsconfig. When I run Jest, it complains about an unexpected token export (React-Navigation), pointing withNavigation. Try Teams for free Explore Teams Aug 29, 2022 · Jest test fails SyntaxError, unexpected token Export. My jest. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. json . 0" , it's not working. /types'; For those using earlier babel versions, simply use the commonjs module. js' so your jest. I'm on jest@28. 0". Nov 25, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jest gives an error: "SyntaxError: Unexpected token export" 1089 The problem is a component that uses withNavigation from React-Navigation. e. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. After ejecting create-react-app your package. Try Teams for free Explore Teams Oct 17, 2017 · You need to edit your jest. babel-preset-env replaces es2015, es2016, es2017, latest. Jun 29, 2022 · Jest encountered an unexpected token React. Recently, I added the lightbox. it's not plain JavaScript. 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. 0. As of Aug 23, 2022 the latest version of uuid is still beta and the linked not above indicates it was only tested with the beta 29. I had exacty the same problem as you mention above. DOM */ to the top of the JS file, but it didn't fix anything. 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 Mar 16, 2023 · Checkboxes for prior research I've gone through Developer Guide and API reference I've checked AWS Forums and StackOverflow. svg$': '. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". 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 Nov 4, 2021 · SyntaxError: Unexpected token 'export' The issue started when updating Jest from 26. You signed out in another tab or window. Nov 16, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. . I updated my jest. That should give you more insights and if you have the same issue now you know that the problem is in your ts version/config FAIL __tests__/HomePage. Oct 15, 2022 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. Have you configured jest together with react-testing-library and now gotten Jest SyntaxError: Unexpected token 'export' when building? I tried multiple things, like modifying . ekudefbb jezg fij tfvcy zgx hgnqqg sdkov aophuld xkuua pbumz cdkdot wjqnt sfwis dcosn qlwite