Jest encountered an unexpected token export react github json. I finally found a workaround for this. App bootstrapped with "create react app" Oct 11, 2022 · You signed in with another tab or window. Sep 13, 2018 · 🐛 Bug Report I have this exception Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Issue : I am using ts-jest to test my typescript library. Feb 17, 2020 · You signed in with another tab or window. Feb 20, 2019 · Please make sure you have read the submission guidelines before posting an issue Prerequisites Please answer the following questions for yourself before submitting an issue. Thank you ️☺️! I am using Jest + React Native + TypeScript to write test cases for my application. When trying to upgrade d3-interpolate 2. Oct 23, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Reload to refresh your session. 1 -> 3. Oct 31, 2023 · You signed in with another tab or window. I see the problem in jest 28 and above. Jest supports specifying source transform and transformIgnorePatterns in its config files and defaults to using the babel-jest transform. 0 test /Users/username/P FAIL __tests__/HomePage. js:5 export default class FaAngleDown extends React. Expected behavior Jest does not support ES Modules; it uses CommonJS modules. json for jsdom. 3) (credit to How to set transformIgnorePatterns to fix "Jest encountered an unexpected token" nrwl/nx#812 (comment)) Update Aug 19, 2022: Add dependency "trim-lines" Aug 31, 2023 · When I try to run a test using MsalReactTester, I get the following error: Jest failed to parse a file. Dec 25, 2020 · yarn run v1. C:\study\reactodo\node_modules\react-icons\fa\angle-down. When running jest on @example/b it fails to run due to ESM syntax. Because NODE_PATH doesn't work in Typescript, I believe this is the only way to do absolute imports in create-react-app-typescript. it's not plain J Feb 29, 2024 · You signed in with another tab or window. By default, if Jest sees a Babel Feb 24, 2020 · FAIL src/test. Sep 18, 2024 · Jest encountered an unexpected token Jest failed to parse a file. 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. Apr 26, 2021 · You signed in with another tab or window. Jan 17, 2022 · You signed in with another tab or window. Jul 13, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. 16 I think). 3 to 27. None of the popular solutions here were working for me either. I have installed "@ant-design/plots": "^1. Oct 2, 2018 · How to run jest when using es6 packages in node_modules. Jun 18, 2021 · FAIL __tests__/App-test. Oct 17, 2018 · FAIL src/tests/App. Jest encountered an unexpected token. it's not Mar 27, 2020 · 🐛 Bug Report In my jest tests, when i attempt to run jest, this is output: FAIL test/product. Aug 18, 2021 · This seems to be because electron-forge itself is not ready for ESM just yet. js to . Reproduced on mac here. Clearing cache and removing node_modules didn't help. x I'll stick with this solution for now. Unexpected token 'export' There seems to be an issue with configuration that prevents React Native Testing Library from working correctly. Dec 10, 2018 · You signed in with another tab or window. 4 $ jest App. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Jan 21, 2025 · You signed in with another tab or window. x, I've tried many other regexps from all over StackOverflow and all wide internet but it just does not work as expected. , it's not plain JavaScript. CodeSandbox/Snack link No response Steps to r Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. js (@azure/msal-browser) Core Library Version 3. 1 Steps to reproduce Create new Nuxt app with Jest Configure pnpm Install vee-validate and import validation rules See tests fail Expected behavior I expect tests to pass Actual behavior What happened? Aug 2, 2022 · I was using a jest. all (index Jun 11, 2020 · amcharts4 issue #2133 - github OR Jest encountered an unexpected token. ts is still using babel-jest which breaks import/export and the globals/tsconfig path isn't getting generated so jest types aren't recognized. Using ViewPagerAndroid within a test fails with: 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. I am running the tests on the CLI by running npx jest <test file> and this works flawles Dec 20, 2021 · 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. js 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. By default, Babel excludes Node modules from transformation. Jul 14, 2022 · I am having some problems while doing some testing with react-testing-library. compilerOptions; const modu Jest encountered an unexpected token Jest failed to parse a file. json Renamed the relevant test files from . js: Feb 8, 2023 · Test suite failed to run, Jest encountered an unexpected token Hey everyone, I recently imported the @FluentUI\react-charting module into my UX code so I could create a sparkline chart, and everything compiles and renders correctly. Dec 29, 2019 · FAIL src/tests/index. Nov 24, 2024 · Jest encountered an unexpected token Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. js Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. It’s known for its simplicity and speed, making it a great choice for testing both small and large projects. Transform react-markdown (and its dependencies) using babel-jest (solution for CRA 4. Jun 13, 2019 · Nuxt. However, while running npm i, I noticed this warning: Sep 16, 2022 · New NX projects with React are still running into this issue, the jest. Tests fail when executed due to unexpected react-dnd syntax: Relevant Package Versions / Background. May 3, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Jest encountered an unexpected token This usually means that you are trying to Dec 11, 2024 · Jest encountered an unexpected token Jest failed to parse a file. @example/b will have a dependency on @example/a. Description I am trying to run a very simple test to check gluestack-ui and it fails to run due to unexpected 'export' from @legendapp/motion/index. Dec 25, 2020 · You signed in with another tab or window. nx/pa May 31, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Sep 28, 2018 · Do you want to request a feature or report a bug? Bug What is the current behavior? 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. I just want to rebuild all packages under @ckeditor (since jest does not parse es6), but jest does not allow me to do that. Jest encountered an unexpected token: What it is and how to fix it. it ' s not plain JavaScript. Feb 8, 2021 · You signed in with another tab or window. 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 that you are trying to import a file which Jest cannot parse, e. This means that a file is not transformed through TypeScript compiler, e. This happens because react-icons is shipped as es2015 modules and jest doesn't support this yet. Oct 30, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Jan 1, 2024 · I was able to get this working by doing the following: Added NODE_OPTIONS=--experimental-vm-modules to the test script in package. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. when your code or its dependencies use non-standard Mar 22, 2020 · 🐛 Bug Report In my jest tests, when I attempt to import { createAppContainer } from "react-navigation", I get the below error, along with other text about how the test failed to run, Jest encountered an unexpected token, etc. js docs, but still same issue. component Sep 10, 2024 · Describe the bug I have a project for react, typescript, in which I have dependencies coming as ecm modules. Nov 4, 2021 · The issue started when updating Jest from 26. Jan 3, 2024 · FAIL src/App. Sep 6, 2022 · You signed in with another tab or window. 22. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". The global jest. when your code or its dependencies use non-standard JavaScript syntax, or w Feb 10, 2022 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. I tried every option with similar issues, but I can't get it to work. May 8, 2022 · Jest encountered an unexpected token Jest failed to parse a file. 6. js + Jest な構成で boilerplate を作っているんですが、 hisasann/typescript-nuxtjs-boilerplate: Nuxt. Write better code with AI Security Jan 22, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The problem is happening because jest now looks at the "browser" field in package. config () Apr 3, 2024 · The Issue. 5", Jest encountered an unexpected token Jest failed to parse a file. x. May 25, 2022 · Jest encountered an unexpected token Jest failed to parse a file. Aug 19, 2021 · Option 3: If you still want to make jest run react-markdown's code. Jun 3, 2019 · Hello! I get SyntaxError: Unexpected token export when trying to running my test. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Mar 14, 2019 · You signed in with another tab or window. Trying to test a file where I import uuid results with an error: Test suite failed to run SyntaxError: The requested module 'uuid' does not provide an export named 'v1' at async Promise. Oct 7, 2022 · You signed in with another tab or window. 以下のリポジトリで TypeScript + Nuxt. component. Unexpected token 'export' There seems to be an issue with your configuration that prevents React Native Testing Library from working correctly. 0 Wrapper Library MSAL React (@azure/msal-react) Wrapper Library Version 2. js altered with the new transformIgnorePatterns and transform configurations. Jun 13, 2019. 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. but for whatever reason it's unable to run the tests because of this top level await even though we are using node v16 which has top level await support. Asking for help, clarification, or responding to other answers. I enabled debug output and opened dev tools. @panjiesw ah thanks, looks like everything is working when I updated my imports to just use react-i18next 👍 @DevanB I was also seeing those console warnings when running tests, you can avoid them by initializing i18next in the test environment. Jun 8, 2020 · The code doesn't really match your description since your saying that you're importing from react-icons/fa but in the code you're importing from react-icons/all (importing from react-icons/fa actually works). Jul 4, 2022 · Version 28. Apr 30, 2019 · You signed in with another tab or window. Mar 11, 2019 · The only way I could get this to work for myself was to add: { "targets": { "node": "current" } } So that my presets read: Aug 9, 2023 · Jest encountered an unexpected token Jest failed to parse a file. Jest encountered an unexpected token Feb 20, 2024 · $ npx jest FAIL . it' Dec 29, 2021 · this tells jest to transform the ky packages since jest only uses common js and both those packages use ESM. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Here are some references: jestjs/jest#4842 Mar 11, 2019 · The only way I could get this to work for myself was to add: { "targets": { "node": "current" } } So that my presets read: Feb 20, 2019 · I'm trying to do a simple snapshot test of a component that includes CKEditor, and a plugin (in this case @ckeditor/ckeditor5-highlight). To Reproduce npm i -D jest typescript ts-jest @types/jest react-test-renderer add a jest. Aug 31, 2021 · @achudars I have not tried version 26. Jul 7, 2021 · Current Behavior On a newly generated Nx project (React), after generating a library and importing lodash-es in its component, when trying to run the tests I get the error: Jest encountered an unexpected token This usually means that you Sep 25, 2020 · このカンマを削除したところ、無事にテストが実行できました。めでたしめでたし。 余談. Jul 6, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. FAIL src/index. 0 Steps to reproduce Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. it's not pla Dec 27, 2022 · I was using jest 27, which works fine now. Hey, thanks for the nice module. <anonymous> (src\components\category\category. GitHub Gist: instantly share code, notes, and snippets. エラー元の tsconfig というパッケージについて調べたら TypeScript 公式のものではなく、しかも 3 年前から更新されていませんでした。 Oct 21, 2019 · You signed in with another tab or window. Nov 30, 2022 · You signed in with another tab or window. test script "scripts": { "test": "jest --cov May 26, 2021 · 💥 Regression Report > test@1. Since I'm running Webpack and using Babel (for the new React JSX transform), all the Remark modules are compiling properly in the real world. Jun 15, 2023 · Jest encountered an unexpected token Jest failed to parse a file. Jul 3, 2018 · FAIL test/ContextAsyncButton. ErrorMessage FAIL src/hooks/test. js:2:44) at Object. This problem h Jun 2, 2024 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is no Jul 31, 2019 · You signed in with another tab or window. In its next release esm will support being used as a Jest transform so you could use that was well. This happens e. json'); const { paths } = tsconfig. Sep 6, 2019 · NOTE: This really isn't a bug report, but I'd like to document my findings for others trying to get this setup working. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. 3 from one of the betas (beta. You signed out in another tab or window. Feb 20, 2019 · Issue : Trying to use memoize-last in a fresh repo results in the error: 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. Weirdly this may be somehow related to using enums? See the reproducible demo below. 0 test > jest --no-cache FAIL test/test. By making it "^uuid$" this started working for me. 1. Apr 23, 2023 · You signed in with another tab or window. <anonymous> (src\components\category-tree\category-tree. jsx'] to jest. test. . Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. When I run jest, I get the following error: Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Aug 10, 2024 · Jest encountered an unexpected token Jest failed to parse a file. /tsconfig. You switched accounts on another tab or window. I'ts like @dean-g pointed out. Apr 26, 2022 · I'm trying to set up a new project, and simply adding these give me an error: import { configure } from "enzyme"; import Adapter from "enzyme-adapter-preact-pure"; configure({ adapter: new Adapter() }); SyntaxError: Unexpected token 'exp Nov 23, 2021 · It seems that it has less to do with the version of the dependencies. I found that (for one permutation of pathToJest and pathToConfig anyway) the following command was being logged: Oct 4, 2022 · Test suite failed to run Jest encountered an unexpected token Details: C:\projects\shared-ui-components\node_modules\nanoid\index. js with following con Jun 19, 2019 · You signed in with another tab or window. it's not plain JavaScript. C:\Users\hc Hi, I'm using jest to test my project. g. For me it occurred after manually incremented all the @vue/* packages to rc. Nov 20, 2023 · Core Library MSAL. Jest uses Babel to compile JavaScript ES Modules to CommonJS, using the @babel/plugin-transform-modules-commonjs Babel plugin. jsx and added extensionsToTreatAsEsm: ['. Apr 21, 2023 · 🐛 bug 描述 [详细地描述 bug，让大家都能理解] Jest detects an expected token and test will fail. Dec 1, 2018 · You signed in with another tab or window. Nov 30, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. jsで「Jest encountered an unexpected token」が出たときの対処法. 2. Aug 30, 2021 · Hello! Thank you for your work in this package. 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. Sep 7, 2022 · You signed in with another tab or window. x of jest so I think since I'm just now upgrading from 27. May 2, 2022 · You signed in with another tab or window. Hi guys! The library is amazing. ES Modules use the export syntax to export a module, while CommonJS uses the exports object. <anonymous May 5, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. js:1 ({"Object. By default, if Jest sees a Babel config, it will use Jul 7, 2022 · I managed to avoid the solution @elliotgonzalez-lk of having to create duplicate components because I had already mocked unstable_getServerSession when I was testing getServerSideProps separately. /example. js has been altered during migration, but the the projects in the workspace have not had their jest. However, I am seeing jest tests choke when using such imports with SyntaxError: Unexpected token export errors. js with TypeScript and Run with docker and docker-compose Describe the bug Test suite with react-hooks fails with 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. 0. js:284:10) at Object. because it is a JS file with TS syntax, or it is published to npm as uncompiled source files. 3. I've faced with an issue when I tried to test my components with jest, Here is my config: const tsconfig = require('. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is n Oct 1, 2022 · Current Behavior I want to independently publish @example/a and @example/b. Feb 13, 2024 · FAIL src/utils/html-to-markdown. I'm getting the dreaded SyntaxError: Unexpected token export when trying to Jun 10, 2021 · With Konva and react-konva installed and imported, my jest@enzyme tests failed to run with this error: Test suite failed to run Jest encountered an unexpected token This usually means that you are Dec 21, 2018 · Relevant Debug Info. May 29, 2023 · Version Jest: 29. But I have some problem with jest test. tsx 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. What you did: Running Jest tests for a React Native project with the configuration and code provided above. js. 1, my Jest tests fail with: 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. This error, Jest encountered an unexpected token, remains. browser. Jul 22, 2019 · You signed in with another tab or window. spec. config. ts 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. Mar 7, 2017 · Note that the approaches recommended here will not work if your CSS modules export values which your JSX files depend on. I did a rm -rf node_modules && npm cache clean --force && npm install Apr 3, 2023 · Jest encountered an unexpected token Jest failed to parse a file. Something like: Dec 29, 2022 · Jest encountered an unexpected token Jest failed to parse a file. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns and adding "allowJs": true to our tsconfig. 5. My component looks like this import React from "react"; import PropTypes from "prop-types"; import Jest encountered an unexpected token Jest failed to parse a file. Jun 28, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Dec 13, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Component { ^^^^^ SyntaxError: Unexpected token export at transformAndBuildScript (node_modules\jest-runtime\build\transform. My app created via npx create react app plus I add Eslint and prettier Then I'm running npm run test a I've got this error: `> frontend@0. tsx Test suite failed to run Jest encountered an unexpected token This usually means that you are trying to import a file which Jest Apr 25, 2022 · You signed in with another tab or window. Provide details and share your research! But avoid …. jsx Test suite failed to run Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cann May 31, 2018 · Do you want to request a feature or report a bug? Report a bug What is the current behavior? I am using the same testing setup in several projects right now, all from my boilerplate. Jest is a popular JavaScript testing framework. 7 Public or Confidential Client? Jun 15, 2023 · Jest encountered an unexpected token Jest failed to parse a file. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Essentially, you need to add this to your Jest configuration: Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. I am on Jest > 24, no type script, its an ejected react-create-app pretty recently (6 months ago~). This did not work, what did solve it in the end was adding the following to our jest. まえがき. Error: I got the following error: Jest encountered an unexpected token Jest failed to parse a file. tsx FAIL __tests__/App. Dec 31, 2021 · Jest encountered an unexpected token inside ts-jest/node_modules/jest-util Hi all, I&#39;m trying run jest using ts-jest, but I&#39;m running into the following error: Jest encountered an unexpected token This usually means that you are trying to import a file which Jest What you did: Running Jest tests for a React Native project with the configuration and code provided above. zdewe ynilm qmajs hzil srxvo tfmryzw pfs ywfrlka yfodt zvwwe rtixek pppqd qwli qjho xxuda