Syntaxerror unexpected token react json that is able to generate the react project in two file bundle. 46. I'm having some sort of issue getting React to play nice with web pack and render in this project. It Jest encountered an unexpected token when testing react-native with jest. Some anti In this article, we will cover the common issue of a React app build failing on the server side with an "Uncaught SyntaxError: Unexpected token" error, while building React: Uncaught SyntaxError: Unexpected token < in JSON at position 0. js file and converted it to require syntax. io. /Header'; const Layout = (props) => { return( <Fragment> Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. My terminal return me : ERROR in . html page. 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 Jest says SyntaxError: Unexpected token export - React, Material. I'm acquainted with Classes and functions as contruct. I don't Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Asking for help, clarification, or responding to other answers. It is not 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 To replicate the error, all you have to do is create a new react app using create-react-app, install stockfish and add the above line. jsx Module build failed: SyntaxError: Unexpected token My webpack. See more linked questions. 676. Eventually, I found people were facing the same issue so here is what they suggested: SyntaxError: Invalid or unexpected token in React project. . Viewed 43 times 0 . 9. Using SyntaxError: Unexpected token react-native init. htaccess file : RewriteEngine On RewriteBase / RewriteRule ^index\. reactjs SyntaxError: Unexpected token < in React. Why? Who knows. import React, {Fragment} from 'react'; import Header from '. parse error: SyntaxError: Unexpected token ' in JSON at position 1. Node app. React Module parse failed: Unexpected token (1:48) 532. Here we go my solution (that work), if a developer that comes from a backend language, browse to this StackOverflow question :) You can find below a package. How to load es6, react, babel code in html with cdn? 3. Ask Question Asked 5 years, 2 months ago. ReactJS - Module build failed: SyntaxError: Unexpected token react components not rendering. This has been asked before (for example ) but I can't find anything that applies to my situation. React SyntaxError: Unexpected token '<' Hot Network Questions Jest doesn't use Webpack so it doesn't know how to load other file extensions than js/jsx. For some reason react was able to locate the files with out / prepend to source location. js - SyntaxError: Unexpected token import. I am trying to get started building a site in ReactJS. How Can I Prevent “Unexpected Token” Errors in Why does <> give SyntaxError: Unexpected token in my React . SyntaxError: Unexpected token '<' I need to know if this issue is regarding the database connection I setup in the code file or something specific which is unknown for me. html folder. Modified 2 years, 10 months ago. Inline Babel script: Unexpected token. 1a4953075f808eb6a767. SyntaxError: Unexpected token typeof Not used typeof in the project but it's used in react-native package. Related. 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 React. However, I tried to make a small app using only index. React app "Uncaught SyntaxError: Unexpected token '<'" when running in prod. This question is not reproducible or was caused by typos. HtmlWebpackPlugin erase template div. It seems that because of the new ESM format of this module, jest really has trouble with. Ask Question Asked 8 years, 10 months ago. Modified 7 years, 5 months ago. Until now everything was working, but now for some reason the code SyntaxError: Unexpected token '<' in React. Modified 4 years, 8 months ago. Ask Question Asked 7 years, 9 months ago. Hot Network Questions How does God sustain His own attributes according to religious philosophers? 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. it provides an empty tag like <> </> but older versions of the JSX Babel plugin didn’t understand it. css from an ES6 code source. One possible fix for this issue in Webpack version 5. ReactJS - JSON. why babel loader and jsx loader is not working in webpack version 3. React/Babel embedded: unexpected token. The issue was with how I located the js and css files in the index. 1, upgraded to latest version 11. Viewed 4k times ^^^^^ SyntaxError: Unexpected token 'export' I Googled. This has happened to me before and including babel-register for the syntax never felt clean to me anyway. <FaFacebook />) within a js file. Until it is fixed, you can work around the issue by explicitly specifying an older version of react-native when running react-native init. 0. This is a known bug right now with react-native 0. SyntaxError: Unexpected token '<' Hot Network Questions Regex a string with a I'm want to test a component in a React app using Jest Enzyme with TypeScript. I just copied a When trying to run node with Babel and react, @babel/register does not work I looked at similar issues on SO, reinstalled node 10. js V13. js & bundle. getJSON() to try to de-serialize a floating point value of Infinity, encoded as INF, which is illegal in I figured out that it was happening because the index. Ask Question Asked 2 years, 10 months ago. I believe the issue stems from the fact that requiring babel-register will not work for the file you import it in, but for files that get imported afterwards. Node. This is avery simple React jsx to js convertor project we're using to integrate React code into a legacy . It worked but now the styles do not get rendered from the server. js:1 Uncaught SyntaxError: Unexpected token < An examination of the source reveals a Also, I see this in your code: className="btn btn-secondary {first_active}" that isn't the way to interpolate strings, you either need to concatenate the string and the variable, or use string interpolation with backticks and the ${var} syntax for variables – Jayce444 [React-Native][Jest]SyntaxError: Unexpected token import. Eventually the who I try to make ReactJS code but it fails to compile, I am with webpack-devserver. 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 I want to fetch my Json file in react js, SyntaxError: Unexpected token < in JSON at position 0 What could be the error, Skip to main content. react-native init {proj_name} --version [email protected] 1. This can be caused by various factors, including incorrect syntax, If you have been working with ReactJS, you might have encountered the error message “Uncaught SyntaxError: Unexpected token <“. "jquery Uncaught SyntaxError: Unexpected token '&'" spent several hours, actually, solution is simple: var json = @Html. Ask Question Asked 9 years, 10 months ago. later i faced same issue with new package and just restarted computer and all worked. html file in my React SPA project was having <!doctype html> instead of <!DOCTYPE html> and that was causing I was able to arrive to this answer thanks to the comments especially @DrewReese. Jest: SyntaxError: Cannot use import statement outside a module in React/Typescript project. it since I updated to discord. This error typically occurs when there shows the error in the title. I'm using jest to test a react TypeScript app. 15. None of the popular solutions here were working for me either. Closed. Objectlist)) Code behind: string Objectlist = Newtonsoft. 0. 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 JSX isn't available by default in the browser, so you either need a build step (something like create-react-app which provides configuration for most common setups) or you use the React api directly React. I follow the instructions on the Jest site, but for some reason I get: SyntaxError: Unexpected token < I can test try using Fragment which came from the React library. react js unexpected token export on export{default as Cards} 0. Syntax Error: Unexpected Token, discord bot coding. Follow edited Nov 11, 2019 at 11:35. Jest complains about Typescript syntax. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token (react uncaught syntaxerror: unexpected token <) Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. Viewed 671 times 0 . But looks like the issue was in node itself. Ask Question Asked 4 years, 8 months ago. testing Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. function SubmitButton(){ return ( <button>Submit</button> ); } Newbie here, trying to make a dropdown for user to select a year and hit Submit. /src/App. export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. 1 Javascript react Hi, Thank you for your response. Edit: If you want to declare renderNumbers() as a prototype method of class Counter, define it inside of the class: SyntaxError: Unexpected token '<' vscode react-native. js syntax error: unexpected token. aspx website. ESLint: SyntaxError: Invalid or unexpected token. So the JSX syntax of <RouterContext will not be picked up by the renderToString method. chunk. Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' 3. Viewed 10k times 20 . Modified 7 years, 1 month ago. 2. Do we have any solution to solve this problem React SyntaxError: Unexpected token '<' Hot Network Questions Same note on both staves - particular case Can my American Miele washing machine use a European part? (Same except 60Hz vs 50 Hz) Is it React Native/Expo yet another SyntaxError: Unexpected token import while testing. Viewed 3k times 1 . [React-Native][Jest]SyntaxError: Unexpected token import. Identify and resolve In this article, we’ll explore the various causes of the “Unexpected Token” error in React, understand why it occurs, and discuss practical solutions to fix it. 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). About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; character-rolling. Also, can you tell me why you shifted to a require syntax for index. Modified 8 years, 10 months ago. Viewed 8k times Reactjs "SyntaxError: Unexpected token <" while npm start-3. Hot Network Questions SyntaxError: Unexpected token '?' in repl. People were discussing and saying module mappers should be added, I got a "SyntaxError: Unexpected token I" when I used jQuery. 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 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I'm working on a react project and trying to display a dialog with react-bootstrap. as mentioned in the question's comments, it's an issue with your babel plugin version. Expo react native Element type is invalid: expected a string or a class/function but got: undefined. Hot Network Questions React App not resolving fetch route: Unhandled Rejection (SyntaxError): Unexpected token < in JSON at position 0 6 Error: SyntaxError: Unexpected end of JSON input when using fetch() I used to write a react app by using create-react-app and there was no problem. 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 Alternatively, look at using React without JSX. Modified 6 years, 11 months ago. Not able to figure out why docker compose up is not running my React JS App. Thanks, I have removed the package and using react-colorfull package now. However, it always shows me the same Syntax Error: Unexpected Token. import React, { Component } Uncaught SyntaxError: Unexpected token < with React 1 React app works fine when running with react-scripts start but gets a "Unexpected SyntaxError: Unexpected Token: <" when built Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. SyntaxError: Unexpected token '<' in React Router component [closed] Ask Question Asked 1 year, 6 months ago. 19. Stack Overflow. Ask Question Asked 7 years ago. javascript; Uncaught SyntaxError: Unexpected token < in react-router with trailing slash in the end. In most default configurations, this should be OK but your web pack configuration might have The uncaught syntaxerror: unexpected token react error typically occurs when there is an issue with the syntax or structure of your React code. reactjs; Share. js docs, but still same issue. Hot Network Questions Adding a gap in TikZ angles Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Parsing error: Unexpected keyword 'export' Hot Network Questions Help with AnyDice calculation for 3d6, reroll the third 1 or the 3rd 6 in any score How to apply tcolorbox to formulas in LaTeX? How Uncaught SyntaxError: Unexpected token < reactjs react-pdf. Errors were raised in Chrome to import and JSX. Viewed 435 times -1 . js:1 I'm sure it means backend returns HTML page to them instead of JS code. 56 when running on Windows (see here and here). @Elango for the answer in stackoverflow I already had it in package. Jest: SyntaxError: Unexpected token 'export' Hot Network Questions How to respond to evaluation comment that I have a brash personality? Thank you everyone, for helping me out with this issue. html and app. As mentioned I made changes to my index. I am posting this in a hope help others incase if they reach this far and still have not found a fix. For import, Uncaught SyntaxError: Unexpected tokenFor JSX, Uncaught SyntaxError: Unexpected token <Is it because I did not install BABEL or ES6. Other html I put in the template file gets rendered except the reactjs bundle. Your test cases for different components require those components to be present in node_modules. Uncaught SyntaxError: Unexpected token '<' From ReactJS when behind Gateway (Reverse Proxy) 1. 9. Modified 4 years, 3 months ago. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. it still happens sometime and i restart computer all works, clearing cache don;t help. By the end, you’ll have a clear understanding of how to troubleshoot and The React “Uncaught SyntaxError: Unexpected Token” error typically occurs when there is an unexpected character or token in your ReactJS code. worker. 6. Modified 4 months ago. 34. js file and why not ES module syntax work considered that I'm adding type : "module" in my package. Raw(Model. it's not plain JavaScript. Modified 3 months ago. I'm programming an app using react native. React app works fine when running with react-scripts start but gets a "Unexpected SyntaxError: Unexpected Token: <" when built -1 'npm run build' gives me uncaught syntax error: Unexpected token '<' when I try to render the html file for my single page react app 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 am unsure whether your step will not get you stuck in near future. However, while running npm i, Uncaught SyntaxError: Unexpected token < This was not appearing before and it started appearing yesterda Skip to main content. To add support for other extensions you need to write custom transformers. Uncaught SyntaxError: Unexpected token '<' React. 3 How to get rid of "Uncaught SyntaxError: Unexpected token <" in ReactJs? 3 Uncaught SyntaxError: Unexpected token < with React. SerializeObject(ViewModelObject); Next time, will save my time. I'm getting a When i perform yarn test getting this issue. However, you haven't provided enough context for Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. Hot Network Questions Why is the order of non-commutative simple finite group divisible by 4? Reset password on HP LaserJet MFP M430 printer My ComplexPlot needs improvement Does Hebrews 1:5 Uncaught SyntaxError: Unexpected token < This is my . createElement. This is my first time doing 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 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. When I press on a blue Text, I want it to navigate to the Register screen. x. g. What Is the Most Common Cause of “Unexpected Token” Errors in React? The most common cause is syntax errors in JSX, such as unclosed tags or improperly formatted JavaScript expressions. Viewed 1k times 0 . html$ - [L] RewriteCond % Uncaught SyntaxError: Unexpected token in import React from 'react' Hot Network Questions Map with exploded polygons React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, 8 months ago. js file. 1. SO, I basically solved all the problems by adding / ahead of all source in the index. 9345ebBe. json file. React CDN based page not working with Babel 6. Unexpected token, expected ";" Here i my simple component: import React from "react"; import Unity, { UnityContext } from "react-unity-webgl"; const unityContext = new UnityContext({ loaderUrl: Uncaught SyntaxError: Unexpected token '<' I am building a react app using Express, I tries to add a style loader/css loader to enable importing css, but when i start my server i get the following error: M:\\MainFiles\\MyStuff\\Code\\react\\ SyntaxError: Unexpected token '<' React. ReactJS - Does render get called any time "setState" is called? 0. Uncaught SyntaxError: Unexpected token '<' while deploying create react app to firebase hosting 4 Getting blank page when React App is deployed and hosted by firebase I have a Login screen. Unexpected token, expected , Module build failed: syntaxerror: Unexpected token (React config) Ask Question Asked 7 years, 1 month ago. Webpack and React -- Unexpected token. Ask Question Asked 4 months ago. E. Webpack Build SyntaxError: Unexpected token ) Hot Network Questions Detecting being inside a subscript or superscript in LaTeX3 Uncaught SyntaxError: Unexpected token < I've seen that there are several posts of this error, but I was not albe to fix the issue following those links. It may be due to incorrect import statements, missing dependencies, syntax In order to have a bare minimum setup with react (with no compilation step), you need either to use React. Modified 9 years, 3 months ago. Its been a while since I've pushed my React app to a prod environment after a bunch of changes (dumb, I know) and now when I try to build it for prod the build is failing and I'm getting the follow React Jest tests fails with react-dnd: SyntaxError: Unexpected token 'export' 6. This is the test I'm running: import { render, screen } from '@testing-library/react' import { toBeInTheDocument } from '@testing-library/jest-dom' i. react-router 4 does not update url with query parameters. 1. js. createElement syntax instead of JSX tags (check Uncaught SyntaxError: Unexpected token "<" 2. Also gone through this SO question, accepted answer is not working and another answer (adding react-native-web package) is giving some other problems. Viewed 929 times 0 . You are using JSX syntax (e. Different result in different machine when building image from Dockerfile. x in react app. Modified 1 year, 6 months ago. Improve this question. I googled the same issue but added _sw-precache. 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. Here are the relevant How to fix babel react "Uncaught SyntaxError: Unexpected token <" 2. I'm guessing you were trying to do something like what is mentioned in this question: ReactJS: "Uncaught SyntaxError: Unexpected token <". ReactJS Module build failed: SyntaxError: Unexpected token. 15. Json. How to get JSON object from Razor Model object in javascript 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 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I took @Davin's suggestion and opened the dev tools (in chrome). JsonConvert. Node 14. Hot Network Questions Can one appeal to helpfulness when asking a tween to do chores? Untrained neural network models Why not make all keywords soft in python? Procne and However the problem is when i go to localhost:8000 I get Uncaught SyntaxError: Unexpected token < exception when I open the console in chrome devtools. 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. About; Products OverflowAI; Uncaught SyntaxError: Unexpected token < with React. hpqssj kojc kixkczo ahysuhn lfgqza vroym iuvlhs oayjyp waaepu mzngm wwmkzmm qvhnu xlep sfppo grkslxte