Jest encountered an unexpected token angular github Sep 16, 2022 · This could be a temporary workaround until babel configs are fixed. However, when I enable Wallaby, these tests fail with template parse errors. test script "scripts": { "test": "jest --cov Mar 1, 2021 · Clarity Core only ships native ESM code to npm. Oct 30, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. 0 generated project results in an "Unexpected token import" error when running jest Jan 10, 2020 · 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. 12 I upgraded jest, ts-jest, @types/jest a This issue happens because Jest uses Babel behind the screen to create coverage reporter. Making the module change does appear to fix the issue with ng7 apps. Feb 8, 2022 · Great, thanks! I see the problem now. Nov 3, 2023 · Something might be wrong in the Nx resolver that tries to resolve the import from @sentry/angular-ivy. exports = { env: { test: { presets: [ [ '@babel/preset-env', { modules: 'commonjs', debug: false } ], '@babel/preset-flow', '@babel/preset-react' ], plugins Sep 12, 2018 · You signed in with another tab or window. Jun 26, 2019 · You signed in with another tab or window. 6. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Oct 28, 2018 · Thanks for the help debugging @sylvainleduby and @Foxandxss. json' const jestConfig = { preset: 'ts-jest', moduleNameMapper: pathsToModuleN May 11, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. * In this case we will tell jest to load in the common js code regardless of environment. Jul 14, 2023 · Saved searches Use saved searches to filter your results more quickly Jan 14, 2022 · Find up is failing with jest Jest encountered an unexpected token Jest failed to parse a file. Jun 19, 2019 · You signed in with another tab or window. 0". jsx. it's not pla May 31, 2019 · By clicking “Sign up for GitHub suite failed to run Jest encountered an unexpected token This usually means that you are trying to import a file which Jest Nov 30, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Jest encountered an unexpected token Jest failed to parse a file. 2. Jest encountered an unexpected token: Learn how to fix this common JavaScript error with step-by-step instructions and code examples. 3 Steps to reproduce The project consist of Storybook and Angular. Jun 28, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. 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. when your code or its dependen Oct 18, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Testing Angular application using Jest - Jest encountered an unexpected token 3 React Native/Expo yet another SyntaxError: Unexpected token import while testing Contribute to node-ex/angular-jest-wallaby-setup-sample-project development by creating an account on GitHub. Maybe it's worth checking in with the Nx folks. Dec 8, 2021 · Jest encountered an unexpected token Jest failed to parse a file. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Feb 29, 2024 · You signed in with another tab or window. When Jest hits a "Jest encountered an unexpected token" error, its "Here's what you can do:" guidance could provide instructions on clearing the jest-transform cache. Jan 21, 2025 · Version 29. 0 Steps to reproduce This is my jest. 0 Description Hi, I'm having an issue to run tests with Jest in a component that I'm using the lib. 1. 3. use vscode jest debugger (vscode-jest-tests） still throw SyntaxError: Unexpected token import and All solutions above I tried But not work 5. Nov 15, 2021 · 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. 3 to 27. g. polonmedia changed the title [Bug]: Jest encountered an unexpected token - no description how to handle angular 12 to 13 bump [Bug]: Unexpected value 'Module' imported by the module 'DynamicTestModule'. Sep 18, 2024 · Jest encountered an unexpected token Jest failed to parse a file. Jun 27, 2023 · Understanding the Issue: When Jest encounters unexpected token errors, it indicates either the presence of non-standard JavaScript syntax or an insufficient Jest configuration. May 9, 2023 · Jest encountered an unexpected token Jest failed to parse a file. App bootstrapped with "create react app" Mar 28, 2024 · Jest encountered an unexpected token Jest failed to parse a file. Jun 15, 2023 · Jest encountered an unexpected token Jest failed to parse a file. Here is Also further description of the problem: As problem suggests I am using TypeScript which is why I added ts-jest. Nov 26, 2021 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. json file: { May 14, 2020 · EDIT: This might not work depending on your projects dependency structure. Jan 27, 2025 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. 1 to run my tests but they are failing when I import AngularFirestore in my service. controller. 4 $ jest App. Tests fail when executed due to unexpected react-dnd syntax: Relevant Package Versions / Background. I'm not sure if it's an issue with this library or my configuration. Feb 10, 2022 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. js) understands. You're using this implicitly by extending your jest config from Nx' config. I've setup Jest 28. 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. May 3, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Jun 18, 2021 · FAIL __tests__/App-test. I am importing a package of my own creation into an Angular 2+ project, I can build the project and Apr 4, 2017 · Following the instructions in the README with a brand new Angular CLI 1. Sep 10, 2019 · 🐛 Bug Report When running tests which invoke TypeScript classes having static property initialization under class declaration, Jest report this error: Jest encountered an unexpected token This usually means that you are trying to import Jest encountered an unexpected token: What it is and how to fix it. I am using Angular 6+ but I always get this error: src\setup-jest. js in version "apollo-cache-inmemory" 1. Actual outcome: Recieving unexpected token from optimism. Have tried multiple solutions only to find they are out of date. Feb 2, 2022 · Testing Angular application using Jest - Jest encountered an unexpected token 2 Angular NgRx integration test not working (with Nx and Jest) Jul 7, 2021 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. it's not plain JavaScript. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Aug 17, 2020 · Jest encountered an unexpected token. module. 22. Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. This Nov 28, 2018 · 🚀 Feature Proposal coverage shows for full run but for specific files nothing or mixed I want to be able to run with: o option from jest menu jest --watch --coverage STRING_FOR_REGEX_TESTS_SELECTION jest --watch --coverage --runTestsByPa There are several changes that I needed to get this to work. Jest is a popular JavaScript testing framework. json for jsdom. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. This guide will help you get your Jest tests back on track in no time! Aug 9, 2023 · Jest encountered an unexpected token Jest failed to parse a file. Jul 14, 2022 · Is there an existing issue for this? I have searched the existing issues Current behavior When running a jest test in our NestJs application we get the jest error: ` Jest encountered an unexpected token Jest failed to parse a file. Here's what you can do: Sep 6, 2022 · Jest encountered an unexpected token. Feb 21, 2022 · Current Behavior In a fresh minimal angular workspace of current version I can't use a third party package which is built of ES modules and run tests with Jest. Dec 3, 2021 · When Jest hits a "Jest encountered an unexpected token" error, it could decide that the jest-transform results must be invalid and clear the cache. 0. Several solutions I found and recommendations I got said that I should add Nov 20, 2019 · LevYas changed the title Test suite failed to run: Jest encountered an unexpected token Test suite failed to run: Jest encountered an unexpected token "import" Nov 20, 2019 Copy link Author Aug 16, 2018 · Its not working for me. As part of the migration activity to remove vulnerabilities of ngx-charts we have also migrated this package from v: 20. None of the popular solutions here were working for me either. json configuration; version of Angular DevKit used; 3rd-party libraries and their versions; and most importantly - a use-case that fails; A minimal reproduce scenario using allows us to quickly confirm a bug (or point out coding problem) as well as confirm that we are fixing the right problem. I found that (for one permutation of pathToJest and pathToConfig anyway) the following command was being logged: Oct 24, 2018 · Junk experience in vue cli3 unit test with jest. Nov 10, 2023 · When I run a jest test on a service importing ol-contextmenu, I have the error : Test suite failed to run Jest encountered an unexpected token Jest failed to parse a Apr 26, 2021 · You signed in with another tab or window. Describe the bug "SyntaxError: Unexpected token import Feb 2, 2022 · It's working acceptably with ts-jest and jest + angular (though still a little bumpy). Sep 19, 2023 · Just leaving this here in case it helps anyone: For me, a better fix was not to use moduleNameMapper since that's just a workaround which relies on adding an additional dependency to the older non-ESM version of flat. export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. Jun 3, 2019 · Hello! I get SyntaxError: Unexpected token export when trying to running my test. 3. You switched accounts on another tab or window. Oct 31, 2023 · Version 29. I finally found a workaround for this. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. I have done my best to include a minimal, self-contained set of instructions for consistent Aug 5, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Jan 17, 2018 · Hi, I'm facing an issue that I'm having trouble fixing. Jun 11, 2023 · This shows up in our nx workspace space app using angular when trying to run our jest tests. 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 see the problem in jest 28 and above. Feb 13, 2024 · FAIL src/utils/html-to-markdown. json. I have a similar issue to the one posted in #4, however I have tried the suggested fixes and none of them are resolving the issue for me. component. 1 countup. Nov 23, 2021 · Jest encountered an unexpected token. Jest encountered an unexpected token. 1. For example Nov 19, 2018 · Intended outcome: Tests using jest should pass. 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. Navigation Menu Toggle navigation Dec 31, 2024 · $ npm exec jest FAIL src/app/app. when your code or its dependencies use non-standard [X] Bug [ ] Build issue [ ] Feature request Version info Angular: 7 Angular CLI: 7. By making it "^uuid$" this started working for me. json and you can compile in any way you want. Add jest config by vue add unit-jest 2. Unexpected token < #74. Oct 11, 2022 · To help anyone else in the future facing similar issues in other packages, I think the issue is that Jest 27 and below does not fully support package. I tried every option with similar issues, but I can't get it to work. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not conf Jan 3, 2023 · Jest runs in an NX workspace with Angular and Clarity Components. The issue here is that TypeScript started to output es modules irrespectively of the setting of "module". Nov 9, 2022 · Jest encountered an unexpected token Jest failed to parse a file. See microsoft/accessibility-insights-web#5421 (comment) for a much better explanation. /tsconfig. Dec 25, 2020 · yarn run v1. it ' s not plain JavaScript. We customize some files originally from that 3rd party UX package, the customized files are saved as *. Please open a new issue if you think you have a related problem or query. To fix this issue, one can do the following: Install babel-jest, @babel/core and @babel/preset-env; Create a . > nx run main:test FAIL main apps/ma Aug 2, 2022 · I was using a jest. Anyways I guess it would be nice if the schematics worked out of the box. This did not work, what did solve it in the end was adding the following to our jest. How to debugger with npm run test:unit 4. ts:1 ({"Object. now jest 28+ will load in the browser esm code, but jest esm support is not fully supported. I've got a branch with that change that I'll work on getting out soon. The problem is happening because jest now looks at the "browser" field in package. spec. Jul 4, 2023 · We have recently migrated the code from Angular 13 to Angular 16. I enabled debug output and opened dev tools. 4. Dec 31, 2021 · Jest encountered an unexpected token inside ts-jest/node_modules/jest-util Hi all, I'm trying run jest using ts-jest, but I'm running into the following error: Jest encountered an unexpected token This usually means that you are trying to import a file which Jest Nov 25, 2024 · Jest encountered an unexpected token Jest failed to parse a file. The jest encountered an unexpected token can be caused by the inability to configure Jest with creat-react-app, Jest not being able to transform packages, inability to transpile modern JavaScript, circular imports when mocking modules, Jest not able to transform the dependency, and incompatible dependencies after the update. Dec 21, 2018 · Relevant Debug Info. Reload to refresh your session. This usually means that you are trying to import a file which Jest cannot parse, e. Which package(s) are the source of the bug? @maskito/core Description Run npx create-nx-workspace --preset=angular --name=debug --appName=debug-app --nxCloud=false --style=less Run cd debug Run npm i @maskito/{core,angular} Create file a Nov 23, 2018 · Issue description or question I am able to use Jest to test Angular 7 components without any issue. Jan 18, 2021 · Saved searches Use saved searches to filter your results more quickly Version 12. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. 2 to 20. x of jest so I think since I'm just now upgrading from 27. However, while running npm i, I noticed this warning: Dec 29, 2021 · this tells jest to transform the ky packages since jest only uses common js and both those packages use ESM. Jul 23, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax Feb 9, 2022 · Hello, since yesterday evening our unit tests fail with the following message: Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. May 14, 2020 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Sep 22, 2022 · I've got a "Jest encountered an unexpected token" e Version 12. Failure Logs Dec 12, 2021 · You signed in with another tab or window. Nov 14, 2021 · You signed in with another tab or window. Apr 25, 2022 · FAIL Client tests views/Home/Home. I have an application with the following test/tsconfig. json when using create-react-app. Feb 23, 2021 · So for the Jest tests to run, it first needs to be transpiled by Babel. Jest failed to parse a file. Issue : I am using ts-jest to test my typescript library. Apr 3, 2024 · The Issue. ts import { pathsToModuleNameMapper } from 'ts-jest' import { compilerOptions } from '. Nov 4, 2021 · The issue started when updating Jest from 26. Sep 15, 2023 · Since i struggled with the same issue and it is extremely annoying everytime i run into the problem, a quick possibility to fix/get around the issue: My project is a angular 2 based project, but it uses a 3rd party React package for UX part, which is installed through "npm install" command. It seems to highlight the export issue in the file where function is defined. ts FAIL tests/bsv/fee. 5. Navigation Menu Toggle navigation 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. 7. config. 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: Oct 1, 2022 · * before jest didn't fully support package exports and would load in common js code (typically via main field). Currently, Emoji Button is only distributed as an ES Module. This happens e. x I'll stick with this solution for now. Feb 7, 2022 · Trying to use spectator in my work project and when I run test (jest --watch ) I have this error: Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. I just migrated our angular jest tests to Jest ESM and would like to tackle this as long as it's not too involved (from a code review it looks pretty straightforward, but I could certainly be wrong about that). js docs, but still same issue. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is n Feb 20, 2019 · version of Angular CLI used; angular. May 29, 2023 · Version Jest: 29. 1 Jest: 24. js: Nov 7, 2019 · 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. 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. May 5, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. This works and is more scoped than overriding exports conditions, but has the downside that it is essentially a silent yarn resolution; it forces every dependency chain through uuid to use whatever version of uuid happens to be May 26, 2021 · 💥 Regression Report > test@1. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns and adding "allowJs": true to our tsconfig. com/Navani001/blogger. . This bug can be fixed manually. when your code or its dependencies use non-standa Aug 7, 2018 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. It’s known for its simplicity and speed, making it a great choice for testing both small and large projects. It seems that the test fails due to the fact that the clarity components export JS files which get transformed by jest-preset-angular. 4 $ jest FAIL __tests__/component. test. Dec 8, 2019 · Issue description or question Having issues getting wallaby running with my angular library created using the angular cli. 0 test > jest --no-cache FAIL test/test. Environment May 3, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Before opening, please confirm: I have searched for duplicate or closed issues and discussions. 0 Steps to reproduce Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. jsx, such as ButtonGroup. Sep 14, 2021 · I upgraded node-fetch to v3, and run jest test and I get: Jest encountered an unexpected token Jest failed to parse a file. Oct 7, 2022 · You signed in with another tab or window. Jest by default always compiles down to ES5 but ignores node_module dependencies like Clarity. json exports (see Jest 28 blog post) Dec 27, 2022 · I was using jest 27, which works fine now. Aug 18, 2022 · You signed in with another tab or window. 2", jest-preset-angular is "^6. After migration of Angular v12 to v13 the project consist of the following versions: Angular - v13 Storybook - 6. To run in Jest, Jest needs to transform it into a format that Jest (really, Node. 2 Steps to reproduce I've got a repo using Angular 14 and Ionic 6. Internally, preact provides a "browser" field, but the file is ESM, which jest does not natively support without a babel transform. I have read the guide for submitting bug reports. js-angular2: 7. babelrc at the same place where Jest config file locates and define the necessary Babel plugins. git npm i -f Expected behavior Test suite failed to run Jest encountered an unexpected token For anyone using create-react-app, only certain jest configurations can be changed in package. tsx FAIL __tests__/App. If you don't get it properly transpiled, you'll see an error like this: Jest encountered an unexpected token Aug 9, 2023 · Jest encountered an unexpected token Jest failed to parse a file. SyntaxError: Cannot use import statement outside a module (But it just used the import statement above?????) arn run v1. 0 Steps to reproduce https://github. I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. Skip to content. node. js Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. I'm not sure though how to change this best or which other resolver might work here. I have a feeling it is not about Angular 19 but rather TypeScript 5. Just change the imports to jsrsasign, and change the package dependency to jsrsasign in the packages. <anonymous>":function(module,exports,require,__dirname Aug 10, 2024 · Jest encountered an unexpected token Jest failed to parse a file. Using jest 26, this packages causes issues because it is not published transpiled: Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. You signed out in another tab or window. enzyme. By d Apr 30, 2021 · Saved searches Use saved searches to filter your results more quickly Sep 21, 2017 · thymikee / jest-preset-angular Public. I'll look into this more. Dec 10, 2018 · You signed in with another tab or window. This should fix the issue when using @agm/core for an Angular 6 app is being used with jest. failed to run Jest encountered an unexpected token This usually means that you are trying to import a file Mar 16, 2022 · SyntaxError: Unexpected token 'export' Additional context. Jest encountered an unexpected token This usually means that you are trying to import a Apr 3, 2017 · Jest is "^23. modified sth and run npm run test:unit and passed. yarn add --dev babel-preset-env Jan 30, 2020 · Describe the bug Jest + Nrwl tests using amplify fail To Reproduce Steps to reproduce the behavior: Create an Angular application using Nx Inject AmplifyService into an Angular component Write a Jest test for that component Run the test Oct 4, 2019 · Hi @taairsupport don't know what jest is :) If you want to build the code directly, you can replace the jsrsasign-reduced with jsrsasign. Jun 2, 2024 · 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 This usually means that you are trying to import a file which Jest cannot parse, e. PS C:\Users\myland\code\services\packages\open-api> npx jest PASS tests/bsv/health. Jul 14, 2021 · This thread has been automatically locked since there has not been any recent activity after it was closed.
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