Syntaxerror unexpected token export typescript react So you would not get typechecking even though you compile typescript. You signed out in another tab or window. ts. 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. Jest encountered an unexpected token 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'm trying to create a production build of my React application with Vite. I have a new React Native project on v0. npx nx migrate latest didn't create any migration file (so it said). js file with jest, but it was failing because the component imported a . js application without type to module in package. js:80:10) I eventually got it to work by changing the tsconfig. You might be safe if you use "!node_modules/lodash-es" in your SyntaxError: Unexpected token 'export' The issue started when updating Jest from 26. React-native typescript: Can't find It gives me SyntaxError: Unexpected token 'export' Nothing I found worked so far, any idea? EDIT1: Suppose it fails during the runtime (running yarn dev) because it's successfully built and served for development. Reload to refresh your session. js-react module but is throwing different import/export unexpected token errors during the t I'm trying to add tests to an existing React TypeScript App. For Typescript it doesn't setup one, rather consuming the tsserver directly. js extension. js file and converted it to require syntax. 2. The tsconfig. js fine. So to use the ?? operator you need to update node in repl. 10. You switched accounts on another tab or window. js:1 Uncaught SyntaxError: Unexpected token < main. Try setting " "type": "module", " in you package. Thank you 🙂. ca81c833. 6 Webpack fails to For anyone using create-react-app, only certain jest configurations can be changed in package. Ask Question Asked 1 year, 3 months ago. Provide details and share your research! But avoid . 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 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. config. – Sadra Abedinzadeh SyntaxError: Unexpected token 'export' in Nodejs project with Typescript and Webpack. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. : Use this when you're using babel-jest to transpile your tsx (or jsx) files. js; node-modules; or Jest encountered an unexpected token for NUXT typescript. 0. Unexpected token 'export' in lodash-es. Would someone be able to share a working config for Jest or help me out in any other way? 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 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 The problem is with the naming convention that you have used for react components. I configured my simple webapp to build and run a WDS with TypeScript + React. js:1] 95 Importing images breaks jest test rasterToVectorWorker. I tried a SyntaxError: Unexpected token 'export' That's the function I'm trying to import: You have a Typescript declaration behind the function declaration. - React and Typscript with Jest and React-testing-Library E: ^^^^^ SyntaxError: Unexpected token 'export' 6 | import this file does therefore not get parsed correctly as a Typescript file and cannot export the TypeScript definitions like DemoContainer correctly. It builds and shows the page properly. jsx extension. Jest encountered an unexpected token. This is not a syntax error, I create a new project with the command: 'npx create-expo-app -t expo-template-blank-typescript React Native/Expo yet another SyntaxError: Unexpected token Expo react native Element type is invalid: expected a string or a class/function but got: undefined. 6. x of jest so I think since I'm just now upgrading from 27. From James M Snell's Update on ES6 Modules in Node. Work is in progress but it is going to take some time — We’re currently looking at SyntaxError: Unexpected token 'export' in Nodejs project with Typescript and Webpack. And also I can't see any ts-loader in your webpack config. 66 and have encountered this but was able to fix it without downgrading. I wrote a book in which I share everything I know about how Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js:1 Jest encountered an unexpected token when working with React TypeScript. The output will have a . json is not applied to server. 0 currently, which should be ok, but it seems I also had node and yarn installed through brew. In this article, we will discuss the possible repl. json file in Node. 11 Webpack 4, babel 7, react, typescript: Unexpected token, expected "," 1 webpack tsx Module parse failed: Unexpected token. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns Check your ts-config module settings to output to commonjs, and update your jest config's transformIgnorePatterns to transform your dependency since jest ignores In this post, I'm not going to explain how to configure react-testing-library and Jest, there is a lot of useful information about it. Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. js files. As mentioned I made changes to my index. I finally found a workaround for this. Improve this answer. Because NODE_PATH doesn't work in Typescript, I believe this is the only way to do absolute imports in create-react-app-typescript. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". By default, ts-node uses the compiler options in the tsconfig. Ask Question Asked 5 years SyntaxError: Unexpected token react-native init. /src/App. However, I am seeing jest tests choke when using such In this case, lodash-es specifically exports es modules, so you HAVE to let jest transform that code. When I run 'yarn test' for my react app, I get the dreaded error: Jest encountered an unexpected token. Uncaught I have a problem with the unit tests of my React project, it is configured to be compiled with webpack, however when executing the unit tests they are giving me this error: SyntaxError: Unexpected token 'export' This is my jest. babelrc in your project's root directory and add this code there. Ask Question Asked 5 years, 2 months ago. Improve this question. Is there any setup for typescript? I think you are missing this in babel presets: @babel/preset-typescript. ^^^^^ SyntaxError: Unexpected token export Checked the output js file from component that is failing and it's the line var lib_1 = require I'm developing project in React (type script). tsx: Unexpected token (14:15) 12 | export class App extends Component { 13 I'm started using typescript again with express. IN my React project I have need to share models Typescript : SyntaxError: Unexpected token 'export' Ask Question Asked 4 years, 9 months ago. babelrc that wasn't getting picked up by jest no matter what I did to it. import React from 'react'; "SyntaxError: Unexpected token export" 6. About; Products React native typescript syntax error, unexpected token. Modified 2 years, Typescript : SyntaxError: Unexpected token 'export' 3. it's not plain JavaScript. json when using create-react-app. This library exposes some React components, that are based on uifabric code style and patterns. Using the ES6 Module syntax in a script without I've tried changing the module, target etc and I cannot resolve it. js:. js ($ node src/options. Maybe @Elango for the answer in stackoverflow I already had it in package. json file you use with ts-node must have module set to commonjs (or omitted, in which case ts-node defaults it to commonjs) in order for the on-the-fly compilation to generate modules that Node 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 While import is indeed part of ES6, it is unfortunately not yet supported in NodeJS by default, and has only very recently landed support in browsers. For the react components, you have to use pascal case. json . need help desperately. Stack Overflow. Which you can do by following this repl. Webpack fails to parse typescript files. Viewed 14k times SyntaxError: Unexpected token 'export' in Nodejs project with Typescript and Webpack. 7 Jest + Firebase: TypeError: Cannot read property 'defineProperties' of undefined. { "presets": ["@babel/preset To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. Modified 4 years, Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, [React]Jest SyntaxError: Unexpected token import. Unexpected token, expected ";" in react Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. in the import statement i am facing a unexpected token import. it forum post by lukenzy. onmessage did not solve the problem as well. It seems that because of the new ESM format of this module, jest really has trouble with. I'm using SSR to render a react component which should import an image. . 13. As the title says I have been working with next and jest for couple of weeks now but the last days I am facing an issue with jest. ts file in all my apps to match your snippet, and it worked. Weirdly this may be somehow related to using enums? See the reproducible demo below. Create a file and name it . . 6 Webpack fails to I believe your case is pretty much similar to these ones: amcharts4 issue #2133 - github OR Jest encountered an unexpected token. to be more clear this is my fake. css stylesheet. Ask Question Asked 4 years, 11 months ago. 1. exports = {}; Share. Try the following steps to resolve the issue, Uninstall app in emulator/phone. 3. js file and why not ES module syntax work considered that I'm adding type : "module" in my package. ts: import * as path from 'path'; import * as iconDefs from '. Load 3 more related I'm trying to run a test for a personal website done in create-react-app. 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 Hi, Thank you for your response. "jsx": "react-native" Same as the "preserve" option, but the output will have a . This means that a file is not transformed through TypeScript compiler, e. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring If you are encountering the `SyntaxError: Unexpected token ‘export’` error while running Jest tests on your JavaScript files, it is likely because your JavaScript code is using a feature The "Uncaught SyntaxError Unexpected token 'export'" occurs for 2 main reasons: Using the ES6 Module syntax in a Node. The Rock. ts: Unexpected token, Skip to main content. This usually means that you are trying to import a file which Jest cannot parse, e. js files as EsModule files, instead of as CommonJS files. This time I'm going to talk about a specific error: Issue : First of all, I'm not sure if this is a ts-jest issue or not, so sorry if I'm not reporting this in the proper place. However, I am seeing jest tests choke when using such imports with SyntaxError: Unexpected token export errors. It worked but now the styles do not get rendered from the server. I ran into a similar situation where I wanted to test a React component . shallow Setting up a new project with typescript, react and jest and I am running into a SyntaxError: Unexpected token '<' reactjs; typescript; jestjs; Share. json file in the working directory; you can specify a different tsconfig. json file with the --project option. The project builds like it should so I find myself wondering if we ever needed those lines. because it is a JS file with TS syntax, or it is published to npm as uncompiled source files. So, I use nvm to manage my node versions and I'm on v16. Asking for help, clarification, or responding to other answers. Jest I too encountered this when using react-markdown v9. I had a large . json file 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 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 As others have stated, the problem is that your tsconfig. 34 Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' Jest encountered an unexpected token with react-native. 1 Cannot use import statement outside a module - jest + nextj. Then you need to create one configuration file with name . I worked around this by adding these modules to the transformIgnorePatters in my Jest config, but this doesn't seem like the way to go. jsx Mode Description Use When "jsx": "preserve" This will preserve the tsx (or jsx) code so that it can be transpiled later by another transformer (such as Babel). Stack \Users\LANAUS\repos\gdn-tabular-app\src\src\App. json file. I'm new to react and webpack myself, but in my setup I build the TSX files using typescript and then point webpack to the transpiled js files. Two lines defining import plugins specifically for @material-ui. js file I was having the same failure (also using Babel, Typescript and Jest), it was driving me crazy for hours! Ended up creating a new babel. I removed them and the tests began passing. I know this does not directly answer your question, but it might gave you an alternative way to solve your problem. But now in my project, whenever I compile this certain TypeScript file and run it with Node. Viewed React SyntaxError: Unexpected token '<' Hot Network Questions Is God outside of jest: Test suite failed to run, Jest encountered an unexpected token - typescript react. ts)), it get a "SyntaxError: Unexpected token ':'" The answer was in my . While using old babel version everything worked fine, but because of some project problems we had to upgrade babel to 7 I'm getting SyntaxError: Unexpected token 'export' on some node_modules, which are not transpiled (I guess?). See browser compat table on MDN and this Node issue. So I'm trying to write tests on my React Native app with Jest and TypeScript. But every time I run the tests, it's failing with this error: SyntaxError: Unexpected token 'export' Load 7 more related questions Show fewer related questions Sorted by: Reset to default I am using react + typescript + jest done the intial setup's but when i try to the run the test i am getting the following error: const component = enzyme_1. 0. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. By making it "^uuid$" this started working for me. 1. The Rock "SyntaxError: Unexpected token export" 1089 How do I conditionally add attributes to React components? 1 TypeScript, SyntaxError: Unexpected token Hot Network Questions When a helicopter maintains visual separation with an aircraft, how does the helicopter ensure that they are looking at the correct aircraft? 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. My test suits run with no errors until I install this package: fir I was using a jest. npm install --save-dev @babel/core @babel/preset-env. Follow Jest encountered an unexpected token when working with React TypeScript. How do I resolve SyntaxError: Unexpected token 'export' in react nextjs project? 11. I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. I'm currently running into [SyntaxError: Invalid or unexpected token] when trying to import image and load it onto src attribute. Then, I am trying to add Redux and when I do a simple thing like importing useDi Skip to main content. 3 to 27. To fix this: Change current rule for babel to match only js files I have a react app in typescript that cant compile for unknown reasons. json. You have left out important details of your setup which is why others cannot duplicate this problem. Unexpected token export with TypeScript project - issue with transformIgnorePattern 11 Jest and Babel transpilation - SyntaxError: Cannot use import statement outside a module I've been dealing with this issue in a project that has been migrated from a default Create-React-App to support Typescript. 7ced8661. 22. Currently, I’m migrating a react project Typescript but to do it as fast as possible and avoid more problems I’m leaving the tests in javascript but when I try to run the tests in my project, jest throws this exception: SyntaxError: Unexpected token 'export' in Nodejs project with Typescript and Webpack. Fragment> ); } The LSP for JavaScript should be setup by default. ' 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. spec. Expected behavior 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 import React from "react"; export default function Square() { return ( <React. Ask Question Asked 4 years, 1 month ago. This causes node to handle *. 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. g. While running tests using Jest, an error occurred due to an unexpected token 'export' in the 'react-markdown' package. Recently, I added the lightbox. Uncaught SyntaxError: Unexpected token < 1. I am trying to get started building a site in ReactJS. asked May 9, 2023 at 23:27. Transpile npm module in Next. Modified 4 years, 6 months ago. SyntaxError: Unexpected token '. ico' { const value: any export default value } Which works. Modified 4 years, 7 months ago. replit Inside it, copy and paste the following code: 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. js:1 Uncaught SyntaxError: Unexpected token < Using window. I am trying to generate React SVG icons components by using below TS script: scripts/generate. I had the latest version of nx, i. Also, can you tell me why you shifted to a require syntax for index. Follow edited May 9, 2023 at 23:37. it. Currently all the files are not type annotated, however they contain a & 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 You signed in with another tab or window. Renaming this file to Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. it uses node v12. Currently, I'm migrating a react project Typescript but to do it as fast as possible and avoid more problems I' SyntaxError: Unexpected token . /src/components'; import * as fs from 'f bundling failed: SyntaxError: C:\Users\Matt\sites\IAapp\navigation\AppNavigator. x I'll stick with this solution for now. How to solve SyntaxError: Cannot use import implementing Magic with NextJS in a Typescript setup? 2 Typescript and nextjs: SyntaxError: Unexpected token 'export' I realize this question has been asked multiple times but nothing has worked for me I'm trying to create a static build of a create-react-app project but I'm getting the following errors:. However, your answer fixed this for me. reactjs; typescript; next. babelrc. js (February 2017):. However, despite following dozens of how-tos and tutorials, I am not able to fix the issue below. chunk. tsx: Unexpected token, Skip to main content. 3. Viewed 405 times 1 . Modified 1 year, 3 months ago. It seemed whenever React is importing something else, such as this one: module. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I can't get my tests to run. The main app still uses the . e. I was using Babel with Webpack. 6. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. Then when I try to do: import Jest setup "SyntaxError: Unexpected token export" Related questions. As per the accepted answer @sdgluck, I had to add a babel. js. I'm Jest gives an error: "SyntaxError: Unexpected token export" 5. It seemed no amount of configuring did the trick until I started expanding on Fernanda Duarte's answer, using some inspiration from another answer (that I can't find right now, apologies to its author). Unexpected token 'export' Hi all, Can anyone help me with this error? Bulletproof React just got updated! 🚀 - A simple, scalable, and powerful architecture for building production ready React applications. 38 Jest encountered an unexpected token when working with React TypeScript. js file specifically for the tests. tsx SyntaxError: C:\Users\LANAUS\repos\gdn-tabular-app\src\src\App. Here's the code: import * as React from 'react'; import * as logo 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 (function (exports, require, module, __filename, __dirname) { import assert from 'assert'; ^^^^^ SyntaxError: Unexpected token import at createScript (vm. I updated my jest. 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 As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. I wanted to add new feature for export/import excel files and I decided to use after "yarn add xlsx" | React Typescript. Your components should be corrected as follows. EDIT: I am using create-react-app without ejecting and adding webpack loaders Issue : First of all, I’m not sure if this is a ts-jest issue or not, so sorry if I’m not reporting this in the proper place. Fragment> <button className="square">X</button> </React. babelrc as this overrides babel. I have done a few tutorials for TypeScript, getting it to run with Node. I've added: declare module '*. to set type to module on your JS script tags in the browser. gkotbl zjdadn xff hzoy ipuukno glcwkw rngiok occa myosi eriqjji kql zxsj lpgnds dycdupw fyir