Jest syntaxerror unexpected token export aws sdk fix. 1, using Babel version 6.

Jest syntaxerror unexpected token export aws sdk fix it's not plain JavaScript. test. Nov 4, 2021 · The issue started when updating Jest from 26. Oct 2, 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 Oct 14, 2024 · FAIL __test__/sum. module. Step 1: installation: npm i -D ts-jest @types/jest or yarn add --dev ts-jest @types/jest. js: Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. js (I tried to get jest to ignore sendbird, but to no avail): Oct 14, 2024 · In my project I was upgraded nodejs version to 20 and after that test cases failed. /common/model/MyModel'; Aug 9, 2018 · 在config中添加app时使用了export default，但是报错SyntaxError: Unexpected token export，查阅资料后发现关于 export 和export default的相关资料： export与export default均可用于导出常量、函数、文件、模块等 在一个文件或模块中，export、import可以有多个，export default仅有一个 通过export方式导出，在导入时要加 Feb 9, 2024 · I ended up finding the solution I had to add the library to the transformIgnorePatterns. May 27, 2022 · Hey. The bit mentioning customExportConditions seems to apply: Both jest-environment-jsdom and jest-environment-node allow specifying customExportConditions, which allow you to control which versions of a library are loaded from exports in package. /core/core. ) Setup your babel configuration to handle ES6 imports by add a testing env option (the testing environment flag will be defined in your package. json 中添加 --transformIgnorePatterns 这个 flag： Nov 28, 2022 · I am having the same issue. Component { ^^^^^ SyntaxError: Unexpected token export at transformAndBuildScript (node_modules\jest-runtime\build\transform. Thanks for any help You get this: SyntaxError: The requested module '. Oct 8, 2024 · FAIL src / hoge. Apr 20, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jan 30, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. /dependency. json. tsx to a relative import: import { MyModel, Type } from '. So to use the ?? operator you need to update node in repl. 1 : Uncaught SyntaxError: Unexpected token export 解决SyntaxError: Unexpected token export错误. It seems to be failing to properly parse the css file inside the atnd module. Jul 6, 2022 · jest FAIL __tests__/example. To fix this error, make sure that the module has a default export or use the export keyword with an object or function. 2. Based on this, on latest configurations you must use/replace your Plugins/Preset of es2015 and any esX to the new one: env. Sep 6, 2017 · Things change quickly in the js world. 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. Step 2: Configuration. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". And I tried with many solution with jest config, but it didn't work unless and until I have created jest. Oct 15, 2022 · I later found a solution on Github - Syntax Error: Unexpected token export The issue has something to do with ES modules in next. How can I solve this? Dec 26, 2023 · SyntaxError: Unexpected token export jest occurs when you try to export a module using the export keyword but the module does not have a default export. I finally found a workaround for this. js app to load next. 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. 碰到了一些 Jest 的报错，列一下搜到的解决方案. it 's not plain JavaScript. The solution for me: Sep 16, 2022 · Describe the feature uuid v9 brings changes to exports allowing it to work with latest versions of Jest without a moduleNameMapper workaround See uuidjs/uuid#451 Use Case I'd like to update to jest 29 without hacks Proposed Solution Upda Jul 12, 2022 · SyntaxError: Unexpected token 'export' relating to the index file. 有时，在使用TypeScript和ES6模块时，我们可能会遇到SyntaxError: Unexpected token export错误。这是因为某些工具或环境不支持ES6模块的导入和导出语法。 为了解决这个问题，我们可以使用Babel来将TypeScript代码转换为ES5的语法。 Jun 16, 2022 · I updated the bare bones repo and managed to get Jest to run but still remain blocked on out main App - even having updated the jest. all (index Jest SyntaxError: Unexpected Token ‘export’ Jest is a popular JavaScript testing framework. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns and adding "allowJs": true to our tsconfig. In the nearest parent package. config to reflect the changes (see below). js and . Jul 11, 2016 · Install the babel packages @babel/core and @babel/preset which will convert ES6 to a commonjs target as node js doesn't understand ES6 targets directly. 解决方案在 jest. However, despite following dozens of how-tos and tutorials, I am not able to fix the issue below. Dec 30, 2022 · You signed in with another tab or window. g. There are several changes that I needed to get this to work. that's why by default jest doesn't transform node_modules. 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. Sometimes, the… Jan 13, 2025 · The issue that package change-case has only ESM version (lates version code) and Jest has only experimental ESM support feature. I tried every option with similar issues, but I can't get it to work. Nov 3, 2022 · You could use next-firebase-auth. It is used by a wide range of developers, from beginners to experts. Config} */ const config = { // Add more setup options before each test is run Jan 25, 2022 · I am trying this in the AWS lambda console. 这个是我的项目的问题，运行 Jest 后报错说 "SyntaxError: Unexpected token export"，最后是用在 StackOverflow 第二个解决方案成功的，修改方法为在 package. Jun 15, 2022 · Next. Thank you! I'm assuming the reason this works is because it's working around the build-time loader and using an ES6 friendly loader, next/dynamic. My jest. js installed (or, at least 13. Js Unexpected Token ‘Export’ For Uuid : R/Npm Jestjs – Jest: Unexpected Token Export With React-Navigation Sep 17, 2021 · A quick fix is to use the minified d3 build, which is already transpiled. json file on root directory. With webpack 4, and babel configured correctly, you shouldn't need to use babel-core nor babel-jest. 3 Steps to reproduce Full PR with the failing build is here OctoLinker/OctoLinker#1563 Expected behavior Prior to v28 this project built just fine, but now we're getting SyntaxError: Unexpected token 'export' errors from the Oct 19, 2020 · rafgraph changed the title TS config error: SyntaxError: Unexpected token 'export' TS jest. Jul 31, 2023 · When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. <anonymous> (src\components\category-tree\category-tree. 1. Essentially my pack contains a few different classes and I try to export them in index so the code using this package has access. js and the solution was to install next-transpile-modules using: npm i next-transpile-modules . /example. May 31, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Not one bit. If use Mar 17, 2020 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. By Max Rohde Mar 21, 2025 Issue : I am using ts-jest to test my typescript library. exports = { transform: { '^. I recommend using ts-jest for simplicity. The import will then import the mocked version of the Sentry module which bypasses actually importing the Sentry package. babelrc and some dependencies, moduleNameMapper and transformIgnorePatterns in jest. /", }) // Add any custom config to be passed to Jest /** @type {import('jest'). md under the Usage with Babel section. You signed out in another tab or window. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. 5. JS 2. This happens e. , it's not plain JavaScript. js" const createJestConfig = nextJest({ // Provide the path to your Next. Just use presets env, react, stage-0 to babelrc. js:1] 95 Importing images breaks jest test Dec 28, 2022 · Jest encountered an unexpected token Jest failed to parse a file. 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. mock call, the tests pass for me again. exports = { env: { test: { presets: [ [ '@babel/preset-env', { modules: 'commonjs', debug: false } ], '@babel/preset-flow', '@babel/preset-react' ], plugins Mar 17, 2020 · Two ways you can pass this test: Option 1. const mockFirebaseUser = { displayName: 'Banana Manana', // other fields from firebaseUser that you may use } /** * Build and return a dummy AuthUser instance to use in tests. Jun 27, 2023 · This blog post provided a comprehensive guide to leveraging transformIgnorePatterns and offered a final fix for unexpected token errors. config. I've done some debugging and I found out that there are two libraries which causes that issue: Jan 22, 2019 · I succeed to deploy my code to lambda function running Node 8. How to force Jest to transform that file? Dec 27, 2022 · Find and fix vulnerabilities Actions. The "issue" is that Jest only wants to process CommonJS-style code. Test if object, array or string. Jan 15, 2019 · I've created test for my connected component. Dec 11, 2020 · Test Vue with Jest fail, Jest encountered an unexpected token, SyntaxError: Unexpected token import 4 Vue. 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 Nov 28, 2022 · Until the sendbird team pre-compiles their node module into standard JS with module. 22. 0+). Feb 29, 2024 · 这样，我们就可以在测试代码中使用 import 和 export 语法了。 总结. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. This did not work, what did solve it in the end was adding the following to our jest. Asking for help, clarification, or responding to other answers. component Dec 26, 2023 · Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. May 26, 2021 · Let's learn how to fix Uncaught SyntaxError: Unexpected token when running JavaScript code Dec 26, 2023 · Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. And Jest doesn't like it. 3 to 27. Dec 13, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. This should fix the issue when using @agm/core for an Angular 6 app is being used with jest. Then do one of the following, as described in the documentation:. Stuck on an issue? Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. Jest was configured and the **last pipeline on dev was able to run test, However, if I clone now, even if I have a package-lock. May 14, 2020 · Hi, I'm using jest to test my project. Feb 23, 2021 · To put this in different terms, I'm using Jest to test a package with "modern" JavaScript, which in-turn imports another package with "modern" JavaScript. it. Mar 16, 2023 · Checkboxes for prior research I've gone through Developer Guide and API reference I've checked AWS Forums and StackOverflow. Nov 12, 2019 · I'm brand new to AWS, and I'm trying to invoke a Lambda function (Node 10. Jan 27, 2017 · I am running a jest test which depends on the "antd" node module. json . 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. js'; ^^^^^^ SyntaxError: Unexpected t Jun 25, 2017 · SyntaxError: Unexpected token ( for jest. exports instead of export {} syntax, I’m afraid this makes i Sendbird Community Jest: Unexpected token 'export' Nov 1, 2010 · You signed in with another tab or window. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. C:\study\reactodo\node_modules\react-icons\fa\angle-down. Running with jest and react-testing-library. Modified 7 years, tests failing with SyntaxError: Unexpected token export. 6. To fix this issue, one can do the following: Install babel-jest, @babel/core and @babel/preset-env; Create a . Oct 28, 2024 · You signed in with another tab or window. Try npm test and note that tests fail with SyntaxError: Unexpected token export; Note that you can get jest to run and the tests to pass by: changing the absolute import on line 5 of App. May 6, 2020 · Try to perform a manual typescript compilation by running 'npx tsc' (if installed locally, which you should). There is a common approach to fix such issue. Jun 3, 2019 · Hello! I get SyntaxError: Unexpected token export when trying to running my test. js (I tried to get jest to ignore sendbird, but to no avail): Unexpected token errors in ESLint parsing occur due to incompatibility between your development environment and ESLint's current parsing capabilities with the ongoing changes with JavaScripts ES6~7. min' demo 1. Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Automate any workflow acerix changed the title v6 with jest: SyntaxError: Unexpected token 'export' SyntaxError: May 3, 2022 · Version 28. Oct 23, 2023 · 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 . 2) 11 sometimes surprising guidelines to find peace and make our mark on the world. 0 and jest-environment-miniflare@2. Jan 31, 2023 · 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 fast, flexible, and easy to use. Oct 3, 2019 · This is the most recommended way to fix the issue By adding the type="module" attribute, you are telling the browser that the script should be treated as an ECMAScript module, and it should use the appropriate rules for resolving dependencies and executing the code. If a component is single, and not importing anything else, &quot;npm test&quot; runs smoothly. js' 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. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. env files in your test environment dir: ". For anyone using create-react-app, only certain jest configurations can be changed in package. x) from a webpage, passing a JSON string from fields in the webpage to the Lambda function to add to a Dynamo table. json, I have the failing test: FAIL src/tests/index. Apr 12, 2020 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Nov 3, 2023 · If I add the jest. 1, using Babel version 6. +\\. Oct 30, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Aug 7, 2021 · repl. I followed all the steps described in the README. I'm on jest@28. cjs' does not provide an export named 'name' which is only "true" because ES modules aren't allowed to import CJS named exports. Dec 2, 2022 · [Problem/Question] Hi ! When I run my tests using Jest, I got an SyntaxError: Unexpected token ‘export’ from node_modules/@sendbird/chat/sendbird. babel-preset-env replaces es2015, es2016, es2017, latest. tsx Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Feb 14, 2019 · SyntaxError: Invalid or unexpected token @import. Interestingly I have been able to work around it by mocking the uuid library in tests like this. Or use a Jest config to map d3 to the minified build: Troubleshooting Javax. I tried to Feb 20, 2024 · $ npx jest FAIL . json dependencies. net. it uses node v12. g. json when using create-react-app. 错误原因jest 默认不使用 babel 转换 node_modules 下的文件，当引入外部库是 es模块时,jest无法处理导致报错. SSLHandshakeException: Received Fatal Alert - Bad_Certificate module. In this case, lodash-es specifically exports es modules, so you HAVE to let jest transform that code. . Hello, I'm brand new to AWS, and I'm trying to invoke a Lambda function (Node 10. I had exacty the same problem as you mention above. Mar 2, 2024 · To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. 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: 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 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. 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 Aug 25, 2023 · 在前端开发中，Jest 是一款流行的测试框架，它支持使用 JavaScript 编写单元测试和集成测试。然而，在使用 Jest 进行测试时，你可能会遇到类似于 "SyntaxError: Unexpected token" 的错误。 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. js:284:10) at Object. 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. Oct 14, 2019 · Verify that you have the latest version of Node. Jest matching objects in array. Provide details and share your research! But avoid …. ssl. By default all modules in node_modules are not transformed, so the solution is to tell jest to transform it. ts error: SyntaxError: Unexpected token 'export' Oct 20, 2020 Copy link MikeyUchiha commented Oct 21, 2020 Feb 27, 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 Feb 10, 2024 · Life's Hard: Here is How I Go About It (Life Framework v0. Jan 22, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jan 29, 2024 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. /types/standard' from 'index. <anonymous> (src\components\category\category. env with Jest. I am wondering what I might be doing wrong. SSLHandshakeException: Received Fatal Alert - Bad_Certificate Jan 25, 2017 · I am now using React Jest to test code. Dec 29, 2019 · I am building an expo react-native app with expo SDK 36. The test fails right out of the box with "SyntaxError: Unexpected token {". Reload to refresh your session. Importing Es6 Npm Package – Syntax Error: Unexpected Token Export – Help – Meteor. Now I want to test multiple components together, and I immedia Jun 28, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. It collects links to all the places you might be looking at while hunting down a tough bug. Nov 25, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. A lot of node modules export ES5 so that jest can run it out of the box without transform. May 21, 2023 · Configure Jest to use Babel: If you are using ES6 module syntax or any other non-standard JavaScript syntax that Jest does not support, you can configure Jest to use Babel to transpile your code Troubleshooting Javax. It is not compiled to ES5 and Jest reports a SyntaxError: Unexpected token export. 3. Remember to customize the configuration to suit your Jun 27, 2023 · I read up a bit on this through jestjs/jest#9771 and Jest's Configuration pages. For example Nov 30, 2022 · You signed in with another tab or window. test. 714. yarn add --dev babel-preset-env Jul 3, 2023 · import nextJest from "next/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 May 21, 2023 · Introduction In modern web applications, you’ll often find yourself needing to make several API calls to fetch or send data. babelrc at the same place where Jest config file locates and define the necessary Babel plugins. npm install --save-dev @babel/core @babel/preset-env Nov 9, 2022 · I am having the same issue. 0". js:1. 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、対処法をメモ。 環境 環境についての May 25, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. I chose version 3. Each yearly preset only compiles what was ratified in that year. Aug 24, 2023 · You signed in with another tab or window. test process. We could use babel-jest or ts-jest. eslintrc is no longer enough for particular situations, such as using We are currently releasing a fix to the ConfirmPermissionsBroadening rix0rrr changed the title aws-cdk:SyntaxError: Unexpected token export class This ended up helping me import @microsoft/mgt-react into a Next Js v12 project. Sep 16, 2022 · This could be a temporary workaround until babel configs are fixed. Option 1: create a jest configration file jest. Jan 7, 2025 · For a temporary working solution, explicitly add the working versions of the following packages to the package. I have installed npm install @aws-sdk/client-kinesis on my terminal and used zipped the file and created a lambda layer which has client-kinesis. 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 Dec 21, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jest gives an error: "SyntaxError: Unexpected token export" This means, that a file is not transformed through TypeScript compiler, e. js 中修改 transformIgnorePatterns 参数 /** @type {import(&#39;jest&#39;)… Nov 9, 2023 · Jest 一些报错信息. js. json file, add the top-level "type" field with a value of "module". Option 1. Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. test script "scripts": { "test": "jest --cov Hi there, I had high hopes when I found that plugin because I wanted to develop my NodeJs Lambda's using the ES6 syntax. CRA & Jest. By default, if Jest sees a Babel config, Jest is a JavaScript testing framework that is designed to be simple, fast, and reliable. js:1] 5 TypeScript Property 'navigation' is missing in type but required in type 'Props' React Native Sep 16, 2018 · Uncaught SyntaxError: Unexpected token < It disappears once I refresh the page. Jest SyntaxError: Unexpected Token ‘export’ Jest is a popular JavaScript testing framework. Js Forums Unexpected Token Export: A Comprehensive Guide Unexpected Token ‘Export’ : R/Typescript Jest Is Crashing – Questions – Babylon. 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) May 6, 2021 · 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 May 12, 2021 · あるnpmパッケージを追加した後、Webpackのビルドは通っているのにJestでは以下のようなエラーが出るようになった。 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. FAIL __tests__/HomePage. js:5 export default class FaAngleDown extends React. it's not pla 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. Either import the minified build directly: import * as d3 from 'd3/dist/d3. because it is a JS file with TS syntax, or it Read more > Nov 30, 2023 · Confirm this is a Node library issue and not an underlying OpenAI API issue This is an issue with the Node library Describe the bug Issues experienced while running unit tests in our nodejs backend. 0 and still seeing the above issue. Here is my list, but you can simply add "@aws-sdk/client-cloudformation": "3. But even the best frameworks can sometimes throw errors. json scripts, for example: "test": "NODE_ENV=testing jest" or "test": "BABEL_ENV=testing jest") /r/StableDiffusion is back open after the protest of Reddit killing open API access, which will bankrupt app developers, hamper moderation, and exclude blind users from the site. Jul 6, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. json file in Node. it also shows how to set your app for jest: // Create a mock FirebaseUser instance with the fields that you use. Cannot find module '. In one file I import 'Localization' module which is located outside project root folder. (ts|tsx)$': 'ts-jest', }, }; Mar 2, 2024 · The "Uncaught SyntaxError: Unexpected token" exception occurs for multiple reasons: A missing or extra bracket, parenthesis or comma in your code. Testing with Jest and Webpack aliases. 0. Aug 10, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. I've searched for previous similar issues and didn't find any solution. Aug 24, 2018 · I'm integrating jest into my nuxt application using vue-test-utils (following Edd Yerburgh's new book). js:2:44) at Object. component. Dec 13, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 1. Adding the "parserOptions" property to your . You switched accounts on another tab or window. Ask Question Asked 7 years, 7 months ago. I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. So for the Jest tests to run, it first needs to be transpiled by Babel. This issue happens because Jest uses Babel behind the screen to create coverage reporter. himxys czits jgtoe pglnpn wjjn lgepgs lzru dyynu psus yryuy fmfs nml yrizj qiheja hduykezu