Jest syntaxerror unexpected token export aws sdk react. Jest: Unexpected Token Export With React-Navigation.

Jest syntaxerror unexpected token export aws sdk react 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. 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. 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 '. Running with jest and react-testing-library. 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. APP_ENV !== 'production', environment: Config. Aug 22, 2017 · ({"Object. g. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. 0". 1, using Babel version 6. However, I am seeing jest tests choke when using such imports with SyntaxError: Unexpected token export errors. /svgTransform. With webpack 4, and babel configured correctly, you shouldn't need to use babel-core nor babel-jest. 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. json . Jun 3, 2019 · Hello! I get SyntaxError: Unexpected token export when trying to running my test. js. May 31, 2023 · Jest encountered an unexpected token. Jan 22, 2019 · I succeed to deploy my code to lambda function running Node 8. Dec 23, 2020 · but Jest doesn't like it and throws a SyntaxError: Unexpected token 'export' I tried different things, like play around with . Interestingly I have been able to work around it by mocking the uuid library in tests like this. I chose version 3. Jan 25, 2017 · SyntaxError: 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. How can I solve this? Mar 2, 2018 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 3 to 27. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. Sep 24, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Based on this, on latest configurations you must use/replace your Plugins/Preset of es2015 and any esX to the new one: env. Jan 30, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 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. +\\. it's not plain JavaScript. The test fails right out of the box with "SyntaxError: Unexpected token {". Add this line inside the transform object: '^. 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. Sep 16, 2022 · Jest failed to parse a file. I updated my jest. 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. Your components should be corrected as follows. Unexpected token 'export' when using `@aws-sdk` with Jest "SyntaxError: Unexpected token export" Jest: Unexpected Token Export With React-Navigation. 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. Jun 11, 2020 · I believe your case is pretty much similar to these ones: amcharts4 issue #2133 - github OR Jest encountered an unexpected token. When I run Jest, it complains about an unexpected token export (React-Navigation), pointing withNavigation. . You switched accounts on another tab or window. 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. However, despite following dozens of how-tos and tutorials, I am not able to fix the issue below. , it's not plain JavaScript. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. babel-preset-env replaces es2015, es2016, es2017, latest. There is a common approach to fix such issue. 1. 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. In one file I import 'Localization' module which is located outside project root folder. x of jest so I think since I'm just now upgrading from 27. js file in the root directory. May 27, 2022 · Hey. 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. tests failing with SyntaxError: Unexpected token export. 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. json probably contains: Jest is a JavaScript testing framework that is designed to be simple, fast, and reliable. ts file in all my apps to match your snippet, and it worked. npx nx migrate latest didn't create any migration file (so it said). Just use presets env, react, stage-0 to babelrc. Ask Question Asked 2 years, 6 months ago. /lib/uri-transformer. 714. Jan 23, 2015 · However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". /simple'; export jsonServerRestClient from '. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns and adding "allowJs": true to our tsconfig. Nov 9, 2022 · I am having the same issue. js will look like this: Jan 15, 2019 · I've created test for my connected component. Modified 2 years, Jest encountered an unexpected token React. Oct 14, 2024 · In my project I was upgraded nodejs version to 20 and after that test cases failed. 0 and jest-environment-miniflare@2. DOM */ to the top of the JS file, but it didn't fix anything. Here is my list, but you can simply add "@aws-sdk/client-cloudformation": "3. 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. Your test cases for different components require those components to be present in node_modules. 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. Jest failed to parse a file. I tried adding /** @jsx React. Oct 15, 2022 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 6. However, your answer fixed this for me. I had exacty the same problem as you mention above. 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. 1. 这样，我们就可以在测试代码中使用 import 和 export 语法了。 总结. 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. 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. /style/jnpr-datatable. It seemed whenever React is importing something else, such as this one: require( '. 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). 0 and still seeing the above issue. Since there is the same problem with other third-party libraries (such as Native Base), I concluded there must be a problem with transformIgnorePatterns. Jan 27, 2017 · I am running a jest test which depends on the "antd" node module. May 16, 2021 · The problem is with the naming convention that you have used for react components. Share Sep 16, 2018 · Uncaught SyntaxError: Unexpected token < It disappears once I refresh the page. You signed out in another tab or window. 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. Dec 28, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Sep 15, 2024 · The Problem When running the Jest JavaScript testing framework in a React app, from '. ---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. Sep 5, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. 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. Jest gives an error: "SyntaxError: Unexpected token export" 1089 The problem is a component that uses withNavigation from React-Navigation. Perhaps it was slower as you mention, but at least the tests worked. js file Dec 4, 2018 · When jest configured with "babel-jest": "^23. I'm on jest@28. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". 5. js' so your jest. May 1, 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. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. 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. svg$': '. I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. 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. 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. Sep 6, 2017 · Things change quickly in the js world. test. 3. May 9, 2023 · TS react Jest SyntaxError: Unexpected token '<' Ask Question Asked 1 year, 9 months ago. 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. The solution for me: console. 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. json file on root directory. Try Teams for free Explore Teams Oct 17, 2017 · You need to edit your jest. After ejecting create-react-app your package. I finally found a workaround for this. /jsonServer'; export * from '. e. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. SENTRY_DSN : undefined, debug: Config. 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. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. json. Sep 10, 2020 · i setup jest and enzyme in my react-typescript project. config. from 'react Aug 2, 2022 · I had the latest version of nx, i. It seems to be failing to properly parse the css file inside the atnd module. If a component is single, and not importing anything else, &quot;npm test&quot; runs smoothly. Apr 3, 2018 · I am unsure whether your step will not get you stuck in near future. Aug 24, 2018 · I'm integrating jest into my nuxt application using vue-test-utils (following Edd Yerburgh's new book). Try Teams for free Explore Teams Aug 29, 2022 · Jest test fails SyntaxError, unexpected token Export. Jun 15, 2022 · Next. This means that a file is not transformed through TypeScript compiler, e. js' ^^^^^ SyntaxError: Unexpected token 'export' > 1 Sep 16, 2022 · This could be a temporary workaround until babel configs are fixed. Expected behavior Feb 9, 2024 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. 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. js, and the last one was close but I was still missing one important thing the imports. Learn how to fix the Jest SyntaxError: Unexpected token 'export' in your React TypeScript project by following these easy steps. 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. 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. Jan 25, 2017 · I am now using React Jest to test code. Jun 23, 2022 · I am trying to use AWS Amplify UI in a React project. /style/fixed-data-table. 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 . I tried every option with similar issues, but I can't get it to work. Jan 22, 2022 · I'm using jest to test a react TypeScript app. 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. For the react components, you have to use pascal case. x I'll stick with this solution for now. 3. /types'; For those using earlier babel versions, simply use the commonjs module. Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. Nov 25, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. <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 . By making it "^uuid$" this started working for me. This happens e. Recently, I added the lightbox. SyntaxError: Unexpected token 'export' Jest encountered an unexpected token This usually means that you module. 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. Weirdly this may be somehow related to using enums? See the reproducible demo below. 0. Provide details and share your research! But avoid …. I'm getting Unexpected token import when i use ScrollView from react-navigation . [React]Jest May 6, 2020 · Try to perform a manual typescript compilation by running 'npx tsc' (if installed locally, which you should). 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. It is used by a wide range of developers, from beginners to experts. My jest. For anyone using create-react-app, only certain jest configurations can be changed in package. 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. Dec 13, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I've searched for previous similar issues and didn't find any solution. because it is a JS file with TS syntax, or it is published to npm as uncompiled source files. Explore Teams Mar 17, 2021 · Jest-Expo crashes on example (React. May 25, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. json dependencies. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. log({ dsn: Config. 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. Feb 5, 2025 · I'm trying to run a test for a personal website done in create-react-app. 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. Jun 29, 2022 · Jest encountered an unexpected token React. Aug 9, 2023 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. See full list on dev. css' ); require( '. APP_ENV !== 'dev' ? Config. Nov 16, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Reload to refresh your session. Asking for help, clarification, or responding to other answers. 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. 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. Mar 17, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 0" , it's not working. tfvy qqdumy zlcfn stzgp cgbbub pjecqe kxasvzo xpi ibtkqf qka xnh xcky kjfgo irrjuf mfmfxx