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Jest syntaxerror unexpected token github js:2:44) at Object. js:284:10) at Object. <anonymous>":function(module,exports,require,__dirname Jun 30, 2017 · You signed in with another tab or window. js'; Feb 20, 2023 · Thanks @StavKxDesign, that's very interesting. Jan 12, 2023 · I think this is due to a missing "type": "module" in package. This happens e. This usually means that you are trying to import a file which Jest cannot parse, e. 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 C:\study\reactodo\node_modules\react-icons\fa\angle-down. I've added a work-around for #38, but now I'm facing a new issue. I'ts like @dean-g pointed out. js altered with the new transformIgnorePatterns and transform configurations. Jan 17, 2018 · Hi, I'm facing an issue that I'm having trouble fixing. Nov 2, 2021 · (Thanks for reporting an issue to micromatch! If you haven't already read the contributor guidelines, Please do that now, then proceed to fill out the details below. exports Oct 19, 2020 · SyntaxError: Unexpected token 'export' I have TypeScript setup for es modules, but maybe there is something else I'm missing, tsconfig. Jul 28, 2020 · You signed in with another tab or window. x. it's not plain JavaScript. spec. Jest failed to parse a file. ":function(module,exports,require,__dirname,__filename,jest){export { contains, merge } from '. Binaries: Jan 1, 2018 · I'm trying to setup a jest snapshot test with redux-persist in my react-native project. I installed ts-node and copied the jest. js Run yarn test What is the expec Mar 29, 2023 · npm run test > typescript@0. Else it'll use the 6. If you don't like use the latest version, try Jest 25. Dec 27, 2022 · I was using jest 27, which works fine now. /static. Feb 17, 2017 · Do you want to request a feature or report a bug? bug What is the current behavior? Locally passing test suite is "randomly" failing on our (Linux, Gitlab) CI on SyntaxError: Invalid or unexpected token. I tried to use an htmlLoader, but doesn't work either. 0 version as deprecated on npm. js function and it works perfectly so it definitely isn't the code that is the problem. May 14, 2020 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. conf. This means, that a file is not transformed through TypeScript compiler, e. because it is a JS file with TS syntax, or it is published to npm as uncompiled source files. reconfigure I had to install jest-environment-jsdom & jest-environment-jsdom-global @latest. <anonymous> (src\components\category\category. I tried every option with similar issues, but I can't get it to work. I am having his message when importing a file. CodeSandbox/Snack link No response Steps to r Mar 4, 2021 · SyntaxError: Unexpected token 'export' while running jest test cases. 2: Steps to reproduce the problem Create new application (create-react-app) Add react-bootstrap-typeahead (includes react-popper) Add <Typeahead options={[]} /> to App. Jul 3, 2018 · First of all, when you try something else, be sure to run jest --clearCache to ensure jest will run with the new settings/packages. Jul 7, 2021 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Here's what you can do. 3. Why does it work for some imports and doesn't work for others? SyntaxError: Invalid or unexpected token 26 | PRIVATE_USER_PAGE 27 | } from '. Actual behavior. yml file ```yml name: CI Jul 11, 2019 · You signed in with another tab or window. Expected behavior. Hi there, I'm upgrading a project from version 3. cjs and . To solve this, you can change your test script to the below: "test": "react-scripts test --transformIgnorePatterns 'node_modules/(?!(<your-package-goes-here>)/)'", Oct 19, 2020 · SyntaxError: Unexpected token 'export' I have TypeScript setup for es modules, but maybe there is something else I'm missing, tsconfig. I don't understand much of the whole babel transformation pipeline, but if you open the preprocessor. , it's not plain JavaScript. Saved searches Use saved searches to filter your results more quickly Oct 24, 2018 · Junk experience in vue cli3 unit test with jest. Mar 27, 2020 · Jest encountered an unexpected token. json to select either commonjs or ESM: Oct 19, 2016 · I have to point out that I copied your source code directly into my setupTest. Jan 8, 2024 · You signed in with another tab or window. Weirdly this may be somehow related to using enums? See the reproducible demo below. Reload to refresh your session. js. js module. This file seems to not be recognize as a vue file when imported and doesn't use vue-jest. Dec 29, 2019 · FAIL src/tests/index. However, adding that has other side effects in the repo, so using explicit . I've reported the bug in jest, jest --no-cache does use some of the cache so it's safer to jest --clearCache. bable. npm install jest --save (jest is 1. You can do this by either importing the module that contains the variable or function, or by declaring the variable or function in the current scope. When running tests I see SyntaxError: Unexpected token 'export' referencing the root index. Also, would be super rad if it mentioned in the docs how to handle using SVGs in tests, since it's such a common occurrence. test. For jest. Mar 16, 2022 · SyntaxError: Unexpected token 'export' Additional context. 9 is the latest, but consider at least moving to 3. 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. Binaries: Prior to v28 this project built just fine, but now we're getting SyntaxError: Unexpected token 'export' errors from the jsonpath-plus package. config with testEnvironment: "jest-environment-jsdom-global" I'm getting this wired issue: Feb 17, 2020 · You signed in with another tab or window. I just want to rebuild all packages under @ckeditor (since jest does not parse es6), but jest does not allow me to do that. After some digging I came to the conclusion, that this is a 1-in-billion issue due a combination of: npm run babel/jest spawning sub-processes Apr 6, 2018 · You signed in with another tab or window. I don't think it an es2015 imports problem as my test code looks something like this: import React from "react" import "react-native" // Note: test r 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. It doesn't break. Jest fails with: Describe a bug failing job run Expected behavior to produce code coverage (i understand this isnt supproted yet) Details Action version: OS, where your action is running (windows, linux): node version 12. it's not pla Jun 8, 2019 · 🐛 Bug Report When I try to run the test, I get the following error: (function (exports, require, module, __filename, __dirname) { import { configure } from "enzyme"; SyntaxError: Unexpected token { It has to be because it cannot handle E Aug 10, 2024 · Jest encountered an unexpected token Jest failed to parse a file. Oct 5, 2017 · you are using the latest version of Jest yes try re-installing your node_modules folder yes run Jest once with --no-cache to see if that fixes the problem you are experiencing yes What is the curre Nov 23, 2021 · It seems that it has less to do with the version of the dependencies. I've I've been trying to get circleci running with my build, and it keeps on breaking down when its running my jest tests. 1. config. Issue : I am using ts-jest to test my typescript library. You must use transformIgnorePatterns from jest, see their help Oct 8, 2017 · GitHub community articles failed with jest SyntaxError: Unexpected token import #341. ts from the docs. Once I installed and configured the Jest. System: OS: macOS 10. You signed in with another tab or window. json for jsdom. Sep 14, 2023 · 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. js --coverage FAIL tests\assignment\assignment. Adjust your transformIgnorePatterns allowed list: "jest": { "transformIgnorePatterns": [ "node_modules/(?!@ngrx|(?!deck. Apr 25, 2019 · I am using Jest to test my react application. latest. . test script "scripts": { "test": "jest --coverage", }, jest. 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. May 29, 2019 · i5heu changed the title SyntaxError: Unexpected token = "SyntaxError: Unexpected token =" of imported file babel/typescript May 29, 2019 Copy link Contributor Mar 3, 2012 · You signed in with another tab or window. This is my Jan 24, 2017 · I'm using jest to test some of my files within Electron. 7. It seems to highlight the export issue in the file where function is defined. I totally hear you about not wanting to mock components. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. But I have done Jest testing of Next. Mar 12, 2018 · Sorry for the late reply. Mar 14, 2019 · @krizzu, no help, at least, with the "Jest setup file" option. 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. I am importing a package of my own creation into an Angular 2+ project, I can build the project and Oct 6, 2023 · Saved searches Use saved searches to filter your results more quickly Jun 15, 2020 · Hello, Whilst writing unit test to reconfigure the url using jsdom. js file of this project. Please use a userland alternative instead. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". 0. json, jest does not recognize import statements, used within the reactjs jsx templates. Apr 26, 2022 · You signed in with another tab or window. Aug 13, 2017 · even with copying your example babel config I get the same Unexpected token import error, there has to be something else that's not right, the answers on SO also do not work for me 👍 5 myconode, wangduanduan, shybovycha, janacm, and Apollo725 reacted with thumbs up emoji Jul 23, 2019 · You signed in with another tab or window. You signed out in another tab or window. Sep 21, 2017 · You signed in with another tab or window. Nov 9, 2018 · Might be a good idea to mark the 1. 1. component. Here is Also further description of the problem: As problem suggests I am using TypeScript which is why I added ts-jest. json. js Test suite failed to run SyntaxEr May 9, 2018 · 🐛 Bug Report When running jest as an npm script defined from the package. Apr 3, 2018 · Currently trying out Stryker on my Jest + TypeScript React application. Apr 4, 2018 · Running jest with react-popper@0. Binaries: A: To fix the syntax error “unexpected token ‘export'” in Jest, you will need to make sure that the variable or function that you are trying to export is declared in the current scope. Finally, you want vue-jest 4. Jul 19, 2022 · Version. For babel, if you install babel 7, ts-jest will use it. Steps to reproduce. We should be careful to change this, that may break existing usage. 15. ts:1 ({"Object. it ' s not plain JavaScript. 5+ (stable for over a year). gl)|ng-dynamic)" Jun 28, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. The global jest. Oct 30, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. ) Jan 21, 2025 · (node:33364) [DEP0040] DeprecationWarning: The punycode module is deprecated. x, I've tried many other regexps from all over StackOverflow and all wide internet but it just does not work as expected. 0) Add sum. Prior to v28 this project built just fine, but now we're getting SyntaxError: Unexpected token 'export' errors from the jsonpath-plus package. js has been altered during migration, but the the projects in the workspace have not had their jest. 50GHz. You likely want a newer TS as well - I believe 3. Prior to v28 this project built just fine, but now we're getting SyntaxError: Unexpected token 'export' errors from the jsonpath-plus package. Add jest config by vue add unit-jest 2. gl)|ng-dynamic)" Mar 27, 2020 · Jest encountered an unexpected token. Our greenkeeper tried to install this and I guess marking it as deprecated would just make tools like this skip that version. Use an SVG component with Jest results in a SyntaxError: Unexpected token '<'; Expected behavior. json file: { Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. May 31, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. How to debugger with npm run test:unit 4. js but I am unable to test my component using webstorm. The problem is happening because jest now looks at the "browser" field in package. I'm running into this for 3 days. Work is on the feature/mutation-testing branch. CPU: (8) x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2. Jan 2, 2010 · You signed in with another tab or window. Here's what you can do: Jun 3, 2019 · I get SyntaxError: Unexpected token export when trying to running my test. It worked for a long time but now I'm getting the following error: > jest assignment. component Jun 23, 2022 · You signed in with another tab or window. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. I am using Angular 6+ but I always get this error: src\\setup-jest. for the main library mathjs, we have an automatic switch in package. js:5 export default class FaAngleDown extends React. use vscode jest debugger (vscode-jest-tests） still throw SyntaxError: Unexpected token import and All solutions above I tried But not work 5. To Reproduce Steps to reproduce the behavior: ## clone repository git clone Apr 26, 2021 · You signed in with another tab or window. So to be clear, I've followed the instructions to include 2 lines in my setup file, AND included the transformIgnorePatterns you suggested. . (Use node --trace-deprecation to show where the warning was created) Nov 10, 2017 · I have almost the same issue. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Jul 2, 2019 · I have a Vue file which imports a Vue file from node_modules. <anonymous> (src\components\category-tree\category-tree. 9. I'm getting the dreaded SyntaxError: Unexpected token export when trying to run jest. g. To skip this test I create a fake screen. exports = { presets: [ [ "@babel/preset-env", { targets: { node: "current Aug 31, 2021 · @achudars I have not tried version 26. 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. Mar 21, 2018 · Hi, I have tried several solutions I have found but any of those work. Jun 5, 2017 · Saved searches Use saved searches to filter your results more quickly Jan 9, 2020 · Occurred when running test FAIL src/components/xxx 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 apps a couple of times and find myself usually needing to mock next/router, next/link, or both. I have about 27 fails and all have a variety of : FAIL src/Components/c Because jest by default expect stuff in node_modules to be compiled, so node_modules if found in THE REAL PATH disable compilation. Expect jest tests to work. json, you will see that files from the node_modules subdirectory are excempted from beeing transformed to ES5 (see link, line 19): Jun 17, 2020 · You signed in with another tab or window. 1 test > jest FAIL __test__/index. 0-> 4. js and code from sample; Update package. x action. I have an application with the following test/tsconfig. May 31, 2019 · I don't even know where to start with this one as I am not too familiar with testing and using this package for jest testing. Aug 10, 2020 · For example, I think you can move to Jest 26 (came out a few months ago) and the corresponding ts-jest. ^^^^^ SyntaxError: Unexpected token import at ScriptTransformer However, I am seeing jest tests choke when using such imports with SyntaxError: Unexpected token export errors. Mar 10, 2020 · Thanks for reporting, this is a good point and is currently inconsistent. May 11, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. modified sth and run npm run test:unit and passed. You switched accounts on another tab or window. mjs file extensions should be more robust across all the various use cases. I see the problem in jest 28 and above. Aug 16, 2018 · Its not working for me. Jest encountered an unexpected token. x most likely. js and code from sample; Add sum. json here. 0 of this project but am having an issue when trying to run jest tests. js refrenced in your package. As far as I can tell that package has the correct exports for use with jsdom like we're using. exports I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. 11. May 5, 2018 · Jest is running perfectly fine on my local machine, but I was wondering if anyone else had come across this issue. ts to parse and tests to run. Component { ^^^^^ SyntaxError: Unexpected token export at transformAndBuildScript (node_modules\jest-runtime\build\transform. /ac Aug 13, 2024 · ({"Object. json with "scripts": {"test": "jest"} npm test; this is where I get the error: SyntaxError: Unexpected token Mar 14, 2019 · jyurek changed the title Jest encountered an unexpected token Jest encountered an unexpected token: "SyntaxError: Unexpected token {"Mar 14, 2019 Copy link ghost commented Mar 14, 2019 Jan 25, 2016 · I have the same issue. I am using the webpack template with the default jest. The screen renders correctly if I skip and just Start the application. Something else is the cause of the problem which I still haven't figured out, maybe it's the way babel is resolving imports, but this is just a wild guess from Nov 23, 2016 · You signed in with another tab or window. I'm not sure if it's an issue with this library or my configuration. fcrekxppmzjvbrplllohzeqncqaecagyjvdozcirgfmiqketebxinjcycrdgsocazngdb