Syntaxerror unexpected token import react Hi, I am using When I do this, I m getting --> SyntaxError: Unexpected token export – Vicky. This is the test I'm running: import { render, screen } from '@testing-library/react' import { toBeInTheDocument } from '@testing-library/jest-dom' i 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 Uncaught SyntaxError: Unexpected token in import React from 'react' 0. js) instead of ts?x file which means this pattern will never meet "^. ghost opened this issue Jul 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 SyntaxError: Unexpected identifier {import React from 'react'; #14399. Identify and resolve There are a few common reasons why you might be seeing this error: 1. Edit: If you want to declare renderNumbers() as a prototype method of class Counter, define it inside of the class: I'm trying to import a functions from a dependency to my next/react functional component, but somehow I keep getting the following error: SyntaxError: Unexpected token 'export' That's the function I'm trying to import: 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 using browserify-rails + babelify to transpile jsx in a react + rails project. But I doubt even that command will work, because you're not passing any presets to babel to run the script. 22. 20 [React-Native][Jest]SyntaxError: Unexpected token import Thanks, exactly what I was missing in my config. configure({ adapter: new Adapter() }); jest error: Test suite failed to run. mjs extension. When I run 'yarn test' for my react app, I get the dreaded error: Jest encountered an unexpected token. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. I probably could have fixed my 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 too encountered this when using react-markdown v9. Hot Network Questions How to make Mathematica simplify `1 - Cos[x]^2` as `Sin[x]^2`? Are scans accepted as US visa photos? 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 Uncaught SyntaxError: Unexpected token import in reactjs. <FaFacebook />) within a js file. Incorrect Import Statement. import React, {Fragment} from 'react'; import Header from '. 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: SyntaxError: Unexpected token 'export' Hot Network Questions How to force formulas to the left edge ({"Object. js list. Uncaught SyntaxError: Unexpected token in import React from 'react' 0. When we use es6 modules import/export statements in Node. 14. Add a comment | 0 . js modules/ user/ index. it provides an empty tag like <> </> but older versions of the JSX Babel plugin didn’t understand it. I resolved this issue by reducing versions of my webpack and webpack-dev-server as, 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 . createClass({ displayName: 'Like', render: function I have a react project with Webpack which I'm trying to dockerize it following this article. DOM */ to the top What Is the “Unexpected Token” Error in React? The “Unexpected Token” error is a syntax error that typically occurs during the parsing of JavaScript code. 6. That's why the start in your package. Modified 7 years ago. Modified 8 years, 6 months ago. React-router URLs don't work when refreshing or writing manually. ts 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 Webpack , babel error: Module build failed: SyntaxError: Unexpected token 0 ReactJS - Module build failed: SyntaxError: Unexpected token react components not rendering Thanks to everybody I have figured out the issue. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this SyntaxError: Unexpected token '<' in React. ' [React]Jest SyntaxError: Unexpected token import. For Typescript it doesn't setup one, rather consuming the tsserver directly. 1 "SyntaxError: Invalid regular expression flags" in React/Electron. So I have these file and folder. I'm getting Unexpected token import when i use ScrollView from react-navigation . json file. By making it "^uuid$" this started working for me. ES6 code needs to be compiled before it can be run by Jest. Dockerfile: FROM node:12. It will be replaced with the URL of the public folder during the build. 1293. The Jest doc about Testing React Native Apps includes a section about compiling dependencies that don't ship pre-compiled code. x I'll stick with this solution for now. Closed 3 of 10 tasks. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". Closed AlexKund opened this issue Dec 6, 2018 · 3 comments Closed SyntaxError: Unexpected identifier {import React from 'react'; #14399. /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . 0. Currently I have no leads as why would a line of comment affect the Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. Unexpected token, Unexpected token import - Electron/React. Here's what you can do: • To have some of your "node_modules" files transformed, you can specify a custom Looks like your test file is a js file (src\__tests__\DatePicker. My case was module federation shared dependencies caused a legacy package's css not to get picked up. Try this command: For those that travelled this far. Provide details and share your research! But avoid . config. 0. I'm trying to do a sample app using Node and React. /src/styles into the build command. SyntaxError: Unexpected token import - reactjs. 0" , it's not working. For those that travelled this far. +\\. ReactJS SyntaxError: Unexpected token. (ts|tsx)$": "ts-jest". Before directing me to . Hot Network Questions Is it possible to get symbolic integral for this? Identifying data frame rows in R with specific pairs of values in two columns How can I tackle this probability question on deck of cards with replacement? why are removing deps that were causing the issue from package. Expo react native Element type is invalid: expected a string or a class/function but got: undefined. spec. as mentioned in the question's comments, it's an issue with your babel plugin version. When jest configured with "babel-jest": "^23. Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. io. g. For import, Uncaught SyntaxError: Unexpected tokenFor JSX, Uncaught SyntaxError: Unexpected token <Is it because I did not install BABEL or ES6. Copy link AlexKund commented Dec 6, 2018 • edited Loading. I've updated the react-monaco-editor mock to look I was encountering a similar issue but fixed by adding below line to the top of my entry file (which was main. js. Works like a charm 👍 – Anton Egorov 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 make index. React Jest causing "SyntaxError: Unexpected token . js - SyntaxError: Unexpected token import. It seems that because of the new ESM format of this module, jest really has trouble with. This is the test I'm running: import { render, screen } from '@testing-library/react' import { toBeInTheDocument } from '@testing-library/jest-dom' i 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 SyntaxError: Unexpected token 'export' That's the function I'm trying to import: This ended up helping me import @microsoft/mgt-react into a Next Js v12 project. I have chosen Webpack as module bundler. Viewed 43 times Node. json /tmp/ RUN npm Jest encountered an unexpected token with react-native. When using command: npm start I have an error: ERROR in . js work with es2015. However, I tried to make a small app using only index. (react uncaught syntaxerror: unexpected token <) React Native/Expo yet another SyntaxError: Unexpected token import while testing. 1 @Vicky that's progress, makes me wonder if the npm start command isn't using babel correctly? – worc. 0 Is Past Perfect ok here? Is the finance charge reduced if the loan is paid off quicker? character-rolling. Webpack - Uncaught SyntaxError: Unexpected token import. (react uncaught syntaxerror: unexpected token <) Ask AI; Fix Maven Import Issues: Step-By-Step Guide to Troubleshoot Unable to Import Maven Project – See Logs for Details Error Some react-native libraries ship uncompiled ES6 code. Jest encountered an unexpected token Jest failed to parse a file. 2. ico" or "favicon. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. window. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. So I think your problem would be fixed as you refine your pattern to to You can use code like this: import React from 'react'; import ReactDOM from 'react-dom'; var LikeOrNot = React. The first method works if for some reason you have to import a css file from node_modules directly. 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. js I have export default (props) => () In index. Commented Apr 2, 2019 at 16:20. When the JavaScript (react uncaught syntaxerror: unexpected token <) Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. If I delete the line of comment // require('');, I would get "SyntaxError: Unexpected token import". later i faced same issue with new package and just restarted computer and all worked. But looks like the issue was in node itself. Viewed 19k times 7 . I was using a jest. undefined is not an object ( evaluating '_expo. In . ico" will work correctly both with client-side routing and a non-root public URL. This can be caused by various factors, including incorrect syntax, missing or misplaced The uncaught syntaxerror: unexpected token react error typically occurs when there is an issue with the syntax or structure of your React code. global ||= window; Make sure to add that before any imports. Webpack unexpected token in JS file. 4. AlexKund opened this issue Dec 6, 2018 · 3 comments Comments. Fragment> <button className="square">X</button> </React. 1 RUN npm install webpack -g WORKDIR /tmp COPY package. It may be due to incorrect import statements, missing dependencies, syntax You are using JSX syntax (e. I get the errors: Uncaught SyntaxError: Unexpected token '<' I believe the issue is due to how imports are working for this project, as the imports are pointing to the uncompiled, es6 code, which is causing the crash to happen in jest. " 5 [React]Jest SyntaxError: Unexpected I can't get my tests to run. This fixed it because I was already using babel-polyfill. This is my project structue Project |--index. Static routes work just fine. I am having problem with react setup via CDN. . Uncaught SyntaxError: Unexpected token import - Reactjs. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". character-rolling. JEST breaks with "Unexpected token import" after calling "createStackNavigator()" anywhere inside react native app #9728. Uncaught SyntaxError: Unexpected token in import React from 'react' Hot Network Questions Ways to travel across land when there are biological landmines covering 70% of the earths surface Uncaught SyntaxError: Unexpected token in import React from 'react' 0 SyntaxError: Unexpected token import - reactjs. (react uncaught syntaxerror: unexpected token <) Ask AI; Fix Maven Import Issues: Step-By-Step Guide to Troubleshoot Unable to Import Maven Project – See Logs for Details Error Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. It 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, I have removed the package and using react-colorfull package now. /Header'; const Layout = (props) => { return( <Fragment> I'm trying to setup a jest snapshot test with redux-persist in my react-native project. Unlike "/favicon. Identify and resolve configuration & code issues with ease. js:1 Uncaught SyntaxError: Unexpected token < Using window. js:6 Uncaught SyntaxError: Unexpected token < At first sight one would say that the browser cannot interpret the syntax but isn't this supposed to be pure ES5 syntax? I would like to keep my application simple and not start using a tool like Babel. js I have export UserList from '. By default I'm currently trying to evaluate different testing frameworks that work with React, and it turns out that Jest is on my list. I tried Uncaught SyntaxError: Unexpected token in import React from 'react' Hot Network Questions What is the difference between Open source and "Source available" software? Do I need a MOV in front of AC/DC supply Merging overlapping points and adjusting their size based on sample count in QGIS Marginal effect of poisson regression with interaction If I sacrifice a Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. html and app. 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. Jest - Unexpected token import Jest says SyntaxError: Unexpected token export - React, Material. /src/index. How do I conditionally add attributes to React components? 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; 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 work React into my HTML page which I'm trying to create dynamic cards from bootstrap, but I keep getting Here's what I have so far webpack + babel - react, unexpected token 'import' Ask Question Asked 8 years, 7 months ago. Only files inside the public folder can be referenced from the HTML. Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3. 6. /list'; And in A import React from "react"; export default function Square() { return ( <React. Constants') 1. js (which is the mounting point of react) for the jsx transpilation to work. Ask Question Asked 3 months ago. Load 5 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this question via email, Twitter, or I'm newbie to Reactjs and webpack. x of jest so I think since I'm just now upgrading from 27. In my . Unexpected token import - Electron/React. babelrc file, I had to remove the transform-runtime plugin. jso Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. You will need to tell Jest to compile react-navigation-tabs by whitelisting it in the transformIgnorePatterns option in SyntaxError: Unexpected token 'export' That's the function I'm trying to import: This ended up helping me import @microsoft/mgt-react into a Next Js v12 project. Modified 3 months ago. However, while running npm i, Notice the use of in the tags above. Have gone through all the solutions for the opened issue related to unexpected token import. Or you can use the es6 modules by adding a --experimental-modules flag to the node command and set "type":"module" to the package. @Elango for the answer in stackoverflow I already had it in package. Syntax error: Unexpected token, expected } 1. 13 Jest, Unexpected Token Import. To add support for other extensions you need to write custom transformers. However, you might know tsc can also have capability to transpile your js code as well as long as you set allowJs: true as you already did. babelrc, note that I have added BOTH es2015 and react (to be sure, but there's no react here). 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 try using Fragment which came from the React library. Viewed 35k times 20 I'm trying to Node. SyntaxError: Unexpected token '. One possible reason for this error is an incorrect import statement for your Hi, @haothien1103 I guess the issue might be that you're trying to serve the frontend JavaScript files (React app) as backend Node. EDIT: I am using create-react-app without ejecting and adding webpack loaders I am creating React web app from two folders and the dynamic routes within the app return these errors. ts in vue project). Karma + Webpack (babel-loader) + ES6 "Unexpected token import" 406. onmessage did not solve the problem as well. Asking for help, clarification, or responding to other answers. (react uncaught syntaxerror: unexpected token <) Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. js docs, but still same issue. ghost opened this issue Jul 6, 2021 · 4 comments Closed 3 of 10 tasks. ico", "/favicon. how to fix reactjs syntax error: unexpected token? 0. There are several ways to do that, some of which are: Use webpack to transpile, minify, In this tutorial, we are going to learn about how to resolve the unexpected token import error in Node. Errors were raised in Chrome to import and JSX. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. 1. 1. it still happens sometime and i restart computer all works, clearing cache don;t help. json How to fix babel react "Uncaught SyntaxError: Unexpected token <" Ask Question Asked 8 years, 6 months ago. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. Unexpected import token - testing React Native with Jest. 34. App. default. 1085. js In list. js files, leading to the SyntaxError: The React “Uncaught SyntaxError: Unexpected Token” error typically occurs when there is an unexpected character or token in your ReactJS code. I don't think its an es2015 imports problem as my test code looks something like this: import React from "re I used to write a react app by using create-react-app and there was no problem. Fragment> ); } The LSP for JavaScript should be setup by default. html |--package. I probably could have fixed my I'm using jest to test a react TypeScript app. json (in my case - react-native-svg) React Native/Expo yet another SyntaxError: Unexpected token import while testing. Commented Apr 2, 2019 at 16:37. I tried adding /** @jsx React. Syntax error: Unexpected token Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. However, I'm trying to use static properties outlined here: https://git ts-node and svg import gives: SyntaxError: Unexpected token ‘ ' ts-node and svg import gives: SyntaxError: Unexpected token ‘ Angular Routes Issue/ routes not considering my token conditioning Angular Routes Issue: Routes not considering my token conditioning When working with Angular, you may encounter an issue where the rasterToVectorWorker. I am running jest test in react native and it fails giving "SyntaxError: Unexpected token import" Here is my trimmer import code: - import React, { Component } from 'react'; import { Container, 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 Uncaught SyntaxError: Unexpected token < Webpack - Uncaught SyntaxError: Unexpected token import. it's not plain JavaScript. 247 Jest gives an error: "SyntaxError: Unexpected token export" 14 create-react-app & jest — SyntaxError: Unexpected token import. Be sure to remove defition of global from vite. None of the popular solutions here were working for me either. This happens e. I'm using jest to test a react TypeScript app. 10. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){import glyphMap ^^^^^ SyntaxError: Unexpected token import Googling a solution I ended up most of the time with something similar to what is mentioned here . Can't use arrow function in ReactJs + Electron : 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 Uncaught SyntaxError: Unexpected token in import React from 'react' 0. Package. Jest doesn't use Webpack so it doesn't know how to load other file extensions than js/jsx. NodeJS supports import natively only experimentally, and only if your script has the . 38. It features import { default as Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. json is referring to babel-node, which transpiles ES6 code into classic JS on-the-fly before running it. I'm very puzzled why // require(''); is needed in components. SyntaxError: Unexpected token 'export' on '@react-navigation' data; ^^^^^ SyntaxError: Unexpected token 'export' Related. In most default configurations, this should be OK but your web pack configuration might have been changed to only process In order to fix this you need to transpile it into JS that can be read by the browser. Hot Network Questions Is there a Noether theorem for lower dimensional conservation laws? ESD(IC) fails in Orca6. unexpected token export in electron-react js. js Module build import Enzyme from 'enzyme'; import Adapter from 'enzyme-adapter-react-16'; Enzyme. 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). Jest (typescript): SyntaxError: Unexpected token 'export' (lowdb) 2. kfk wdmp gnmrx uiygqz xfliv eku eqsk dphak uvbj cjgrye