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Eslint 9 unexpected token export Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. 808 3 3 gold badges 11 11 silver badges 27 27 bronze badges. 12. later i faced same issue with new package and just restarted computer and all worked. C:\Users\G-L SYSTEMS\Desktop\js-dev-env-demo\ @dbaeumer how would you feel about having a preference named eslint. /Main/Main';, which is valid Paste your code here --> function onMenu(url: string) { return '' } What did you expect to happen? What actually happened? I am willing to submit a pull request for this issue. js locally in my project folder I get this error: Error: Unexpected token : SyntaxError: Cannot read config file: User/. Automate any workflow Packages. g. 0 pnpm version: 9. EDIT: react-scripts based application with TypeScript support added by npm install - Many issue's in your code, You have combined class component and functional component. x, the assert {type: "json"} suffix is mandatory to be able importing the JSON modules. This happens e. js. json exactly like here: { "parserOptions": { "ecmaVersion": 6, "sourceTy Skip to main content. babelrc. If that experimental feature is the only reason you need babel-eslint and you don't want to deal with the overhead, you can use export { default as Main } from '. I removed package-lock. Starting Node. Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. I'm developing Lilac, an online school with hands-on Frontend e-books and tutoring👩‍💻. Learn common causes and fixes for the ESLint "Parsing error: Unexpected token" issue, helping you debug JavaScript code efficiently. Thanks to nickyleach for pointing this out. ts when it should go to lib/index. Can you try using the default parser instead? You can just delete the parser from your config file to switch to the default If the parser configuration is missing or incorrect, ESLint may not be able to parse your code correctly, resulting in the “Unexpected Token” error. I'm going to go ahead and close this, since we don't support stage 1 proposals in Espree (ESLint's default parser). What is this article about? This is a solution when I saw these errors. I haven't ran into this issue for a while now because: I avoid default exports when I can, as I think they can lead to mild confusion. Learn 1) Install babel-eslint $ npm i --save-dev babel-eslint. Then you need to create one configuration file with name . Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The only output I am getting is: (node:74324) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 6. When I run the npm run dev command, the app will start and seems to work as it should, but during the build I always get t I install ESLint globally using the command npm install -g eslint on my Mac. 1 **What parser (default, @babel/eslint-parser, @typescript-eslint/p Skip to content. json doesn't have "type": "module" in it and the extension is . Just add "parser": "babel-eslint", to your . You have to configure ESLint to use the correct parser options. The fix that worked for me was installing the babel-eslint package (npm install babel-eslint --save-dev or yarn add babel-eslint -D). 15. My jest. 0 is not aware of this syntax and therefore marks it as an error: ESLint: Pa React is a powerful and popular JavaScript library for building user interfaces, especially for single-page applications. Parsing error: unexpected token => Warning: React version not specified in eslint-plugin-react Jest encountered an unexpected token Jest failed to parse a file. Commented Jul 11, 2023 at 13:13. eslintrc config file. According to the docs, this does not need to be set, since Prettier can infer which parser it needs to use based on the file. This seems to help babel and ESLint get along a little better than using the default parser. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I encountered the same issue today while setting up a new React project. 2 npm version: 10. 0 Local ESLint version: 9. Paste your configuration here --> import globals from 'globals' import jsEslint from '@eslint/js' import tsEslint from 'typescript-eslint' import vueEslint from 'eslint-plugin-vue' export It looks like you're using babel-eslint as your parser. 34 Local ESLint version: 9. Adding the "parserOptions" property to your . Parsing error: Unexpected token { Parsing error: Unexpected token / The solution. 3 posts • Page 1 of 1 | Thu Oct 20, 2022 9:50 pm. { "presets": ["@babel/preset A SyntaxError: Unexpected token occurs when the JavaScript engine encounters a character or token it doesn’t expect during code parsing. 13. [REACT] Getting SyntaxError: Unexpected token 'export' when running Bryntum Gantt React in my application. As this config also very personal and opinionated, I ambitiously position this config as the only "top-level" config per project, that might pivots the taste of how rules are named. If it is a problem not in my config I create a new issue with another parsing errors What code were you trying to parse? export Tell us about your environment **ESLint Version:6. How to fix unexpected token in ESLint? 7. 2. Navigation Menu Toggle navigation. I've created an . This config cares more about the user-facings DX, and try to ease I just configured eslint in my demo project and when I run eslint, I get below errors: I am still learning so I am lost on how best to resolve this. The issue was in my prettier config: "parser": "babel". It looks like you're using babel-eslint as your parser. 3 **npm Version:6. Important: If you have babel-eslint installed or present in your package. You signed in with another tab or window. json. I can't get ESLint or Prettier to work properly, they are not highlighting errors or auto-formatting code. It will make your project use ES modules only, so you can't really easily use Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Sorry to hear about this issue. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company And then How to fix the syntaxError: unexpected token ‘export’ in JavaScript? If you are new to programming and don’t know where to start and practice then visiting Codedamn will be a great decision you can make. I am now receiving In a ReactJS app, I have an index. Removing this setting has briefly restored my sanity. 0 and not be affected by this) I set "main" in package. I used a mixed config for js and ts files. It gives you thoughts, personalized feedback and becomes your second brain to discuss your thoughts and feelings. Unexpected token errors are caused by incompatibilities in your parser options and the code you’re writing. Sample . ERR undefined while installing airbnb eslint. /Main/MainContainer'; export AboutContainer from '. . From your configuration, you seem to be using ES2016, Please update your ESLint throws some errors: error Parsing error: The keyword 'import' is reserved or, when using JSX: error Parsing error: Unexpected token < Per default, ESLint defaults to Hello guys, ESlint version: v2. The ES6 modules were [ESLint] Parsing error: unexpected token => # eslint # javascript. 4. – Community Bot I'm working on a ReactJs project, I am writing code with ES7 in order to write more elegant code inside my React component, specifically static propTypes. 2 No matter what I put inside my . js treats that src/styles/tvuxcss. I apparently have an unexpected token in my `. ) are you using? default Please show your full confi Skip to content. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Your answer could be improved with additional supporting information. I don't use the connect function anymore, I use the useSelector It's ok to specify "type: 'module' cause now you are using modern module js, I do not know if it is possible to rename eslint file to eslint. json` file. cjs instead of . Provide details and share your research! But avoid . Write better code with AI Security. 40 . json – Learn common causes and fixes for the ESLint "Parsing error: Unexpected token" issue, helping you debug JavaScript code efficiently. You signed out in another tab or window. Here’s an example that worked for me with React and Prettier. 最后，但也是非常重要的一点是使用ESLint工具来检查您的代码。这个工具可以帮助您找到您代码中的潜在问题，包括Unexpected token错误，还可以为您提供有关如何解决这些错误的提示。下面是一个示例ESLint配置文件，可以帮助您在您的代码中解决Unexpected token错误： npm install @babel/eslint-parser @babel/preset-react If you don't have eslint-plugin-react installed, you'll want to install that too in order to utilize the recommended eslint settings for React projects. I have a node project and am using VSCode. eslintrc file. 0" Node Version: 9. json but not working, and for the github answer I don't think is related because I can run the app in Android Simulator but not working in Jest Testing. Asking for help, clarification, or responding to other answers. You switched accounts on another tab or window. Find and fix vulnerabilities The problem is that you are trying to lint a JSON file, but ESLint doesn't support linting of JSON files out of the box. Idk if i come late to the party and you already figured out the answer by yourself, but i was having the same problem a few minutes ago and since i found your thread while i was looking for the solution, i come back to answer it with the solution that worked for me. 9. 0. js:83:7) So the problem was in my package. I had to correct PATH and make sure workspace folders are detected correctly. How did it solve? Reason Lacking out of a package, babel Learn common causes and fixes for the ESLint "Parsing error: Unexpected token" issue, helping you debug JavaScript code efficiently. javascript. Interestingly however, if I instead switch out npm for yarn v1. Sign in Product Actions. ; toLowercase() is a typo, it should be toLowerCase(). In my case, I opted to stay in v7. config. Improve this answer. The solution is to specify the parser Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. It doesn't work with the latest @babel/core and @babel/preset-typescript. ESLint 8. Hello Bryntum Support: We are newly licensed users (just purchased the software) looking to plugin the Bryntum Gantt React into our application. json and node_modules/ and reinstalled from scratch and still the same issue. Environment Node version: v21. Start with tutorials and then practice on the playground and become a developer who can write code on his own. 0 I do not have the above issue. Node. mjs and that way I think you would not need to modify package. When did this error appear? While I was running ESLint on my JS files. Make sure you configure the parser options as well. { "parserOptions": 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I'm doing migrate of tslint on eslint and get many parsing errors. Copy link Ryan-Boustany commented Oct 3, 2024. My package manage is pnpm. js file as CJS file because the package. 1. I've found that the source of the problem was misconfiguration of Coc (intellisense engine for Vim8 & Neovim) and its environment. Hooray. 2) Configure ESLint to use babel-eslint as your parser. getElementsByClassName('content-tab') Jest is throwing SyntaxError: Unexpected token 'export' while using azure-devops-ui\Page component I have used ts-jest for transformation D:\Enablement\steam-azdo-testconfig-utility\src\node_m I'm trying to create a production build of my React application with Vite. Mystery solved. By default I'm exploring EsLint for my React JS ES6 project and I'm immediately stuck. Find and fix vulnerabilities Actions. 0 which causes the above mentioned issue. Hi there! I'm Arisa, a freelance Full Stack Developer. ESLint Parsing Error: Unexpected Token Fix. eslintrc. ; So you final code should look like this, 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 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. json, and work through the changes that will bring up. ES6 modules. js (I tried to get jest to ignore sendbird, but to no avail): I had to rename the file where the const export is happening (source library) to be . eslint. 1 of CountUp (you can pin at 2. It was successful installing, but when I run eslint -v this is the issue I encounter: $ npm install -g eslint path/to/bin/. 4. js: Unexpected token 'export' issue and f in Support for type-only imports + exports was added in 7. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 module. So Node. @Elango for the answer in stackoverflow I already had it in package. Abhishek Kumawat Abhishek Kumawat. Ensure that you have specified the correct A very simple project with JS(EcmaScript2016) with webpack, babel, jest and ESLint. 0 --> through gulp-eslint(6. Hi @rickmed, The export * as foo from bar syntax was introduced in ECMAScript 2020. 0 What parser are you using? Default (Espree) What did you do? You signed in with another tab or window. 0 Node: 4. Can you try using the default parser instead? You can just delete the parser from your config file to switch to the default parser. But looks like the issue was in node itself. Hot Network Questions What is the weakest set theory in which the set of all ordinals cannot exist? Are you using import or export? If so, what is your config file? And, how are you using ESLint Parsing error: Unexpected token import eslint/eslint#11189. I get the error: (function (exports, require, module, __filename, __dirname) { export default { ^^^^^ SyntaxError: Unexpected token export at new Script (vm. This is due to query-string v8 being a ES module only package. json to use the ES6 module, and previously it was using the UMD module. I then added "parser": "babel-eslint" to my . Reading through the changelog and going through the steps outlined might help. Unfortunately, it doesn't seem to compile the application as expected resoluting in the 'unexpected token 'export'' that is thrown from within a shared package inside /packages/. Share. 🐶. I started looking into this, but am not sure if the CLIEngine that eslint exports runs as a separate process or as a JS function in the current process. log("Hello); You signed in with another tab or window. Reload to refresh your session. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Solving Next. Description. you also can add this inline instead of config, just add it to the same file before you add your own disable stuff /* ESLint is a popular JavaScript linter that helps developers identify and fix coding errors, enforce coding styles, and improve code quality. About plugin renaming - it is actually rather a dangrous move that might leading to potential naming collisions, pointed out here and here. I am having the same issue. Duplicates I have searched the existing issues Latest version I have tested the latest version Steps to reproduce 🕹 Link to live example: Steps: upgrade to mui 5. Eslint with airbnb does not load when using . Thanks, I have removed the package and using react-colorfull package now. 1. By Filip on 09/26/2024. v24. OR $ yarn add babel-eslint --dev. js cannot load that file. Plugin version. npm install --save-dev @babel/core @babel/preset-env. I am working with Github. It looks like you're using babel-eslint, though, right? babel-eslint uses its own parser, and you should be able to enable the transforms you want in your . While it’s designed to be efficient and easy to use, developers occasionally run into common errors that can be frustrating. compileFunction (node:vm:352:18) You signed in with another tab or window. it still happens sometime and i restart computer all works, clearing cache don;t help. Environment Node version: 23. It was using wrong (old) installation of eslint from outside of my project. js Error: Unexpected 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. I was running v17 of intl-tel-input library on my repo I needed the latest version of libphonenumber so I updgraded my intl-tel-input to v24. How to Configure It I figured it out. Tell us about your environment ESLint Version:"^4. 0 run jest test yarn test Current behavior 😯 By default "node_modules" f SyntaxError: Unexpected token 'export' #1835. babelrc in your project's root directory and add this code there. 1 Operating System: Mac OSn Sequoia 15. I had changed the file so that main included . But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. 3. You can find more information on how to write good answers in the help center. Post by rtbennett » Thu Oct 20, 2022 9:50 pm. Running with jest and react-testing-library. You’ll also need to set specific things yourself, like env or ecmaVersion. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Indeed, i suggest avoiding canned configs from plugins, and in this plugin’s case, use the Airbnb config. /src/index. ecmaVersion is not required as of today – Marvin Xu. Follow answered Apr 16, 2020 at 16:39. When I run npm uninstall expo-font, I got node_modules\expo\AppEntry. Sign in Product GitHub Copilot. /About/AboutContainer'; When I run ESLINT, I g 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company JavaScript - use . 8. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Note. In this case, I’m using a number of ES6 language features like arrow functions, destructured variables, and such. However, despite following dozens of how-tos and tutorials, I am This is an expected behavior. Ryan-Boustany opened this issue Oct 3, 2024 · 8 comments Comments. set is a reserved word, don't use variable with name set. js and export an object containing your configuration. com. 0 npm Version: 6. But the change that I believe caused the issue was in 2. Host and manage packages Security. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. 11. It has been verified as being proper JSON at jsonlint. Stack Overflow. js file with the following imports: export MainContainer from '. 0 Global ESLint version: Operating System: Ubuntu 24. js 17. For example: For example: console. Secondly, if I isolate the eslint only packages in my Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. eslintrc to use babel-eslint and Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 1 . You could try adding "type": "module" to your package. 04 What parser are you using? Default (Espree) What d Skip to content. json file. 7. exports = { env: { test: { presets: [ [ '@babel/preset-env', { modules: 'commonjs', debug: false } ], '@babel/preset-flow', '@babel/preset-react' ], plugins I'm trying to use the following function to control my tabs (Bulma CSS): openTab(evt, tabName) { let i const x, tablinks x = document. json still, npm uninstall it. 5. module export= (property) export=: { [x: string]: any; Snippet: typeof Snippet; } This is for a class called Snippet [Some of you might find this a little bit long but I was advised to show what is inside Snippet - fyi]: The no-named-as-default eslint rule is meant to help you in case you mistakenly import a default export when you meant to import a named export. [eslint] Parsing error: Unexpected token . However, Webstorm merely tells me that I have an unexpected token - not where it is. 1 Global ESLint version: v9. – Setup. 0) **Node Version:10. You are left with two options now: Make your life more fun with your AI wearable clone. nodeCmd that allows you to specify the path to a custom version of Node to use when launching eslint?. I use Gulp with Babel, ESlint, but I canno Per default, ESLint defaults to ES5 and doesn’t understand the keywords import or const. However, sometimes while I'm trying to run ESlint through the Webstorm editor. eslintrc is no longer enough for particular situations, such as using 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. 0 npm version: using bun, 1. Commented Nov 18, 2023 at 9:11 | Show 1 more comment. ; Your search input should be controlled. This is my `. I have expo project and i use tamagui and react-native. We don't have access to this in functional component. – I'd like to report that I'm using node v10. 0 What parser (default, Babel-ESLint, etc. js because like you said you cannot deploy ts code! Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Closed aashna27 mentioned this issue Mar 3, 2019. 0 and npm v6. Error: graphql-server:build: SyntaxError: Unexpected token 'export' graphql-server:build: at Object. ithcga wwncx jzosb tomqrja jktquth deovbmn xfpspffc hojcp jrw nrseo tjny jlcl turvupfw cvgn mfosv