Unexpected token export nextjs react But the change that I believe caused the issue was in 2. Parsing error: JSX expressions must have one parent element. To use the export/import keyword, you need to activate the ESM specification. <Inspector /> 这个 react 组件 (import { Inspector } from 'react-dev-inspector') 不提供 cjs 产物，只提供了 esm 产物 (供 webpack / vite 等使用)，不支持 node 端使用，如 ssr. 2. js, not the compile-time tools. The “export” keyword is part of the ECMAScript 6 (ES6) This is a not-uncommon error when using some packages with NextJS, and can be fixed by using next-transpile-modules as documented. jest moduleNameMapper fixes unexpected token 'export' now breaks relative module import. For the react components, you have to use pascal case. defineProperty called on non-object As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. 6k. Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. Getting Unexpected Token Export. 12 was succeeding with the old solution, both on next-10. js you just create one in I am working on a react nextjs project, and I suddenly ran into a SyntaxError: Unexpected token 'export' error. Modified 6 years, 10 months ago. I've seen multiple similar issues and it seems to boil down to that. SyntaxError: Unexpected token '?' Problem for You signed in with another tab or window. Hot Network Questions Zombie/monster movie with couple in nightclub/bar I have run into this issue where bcrypt does not work with Nextjs and gives this error: Module parse failed: Unexpected token (1:0) And in the console, I am getting this error: . I'm create new react class and define some routes in componentDidMount method. js SyntaxError: Unexpected token < in JSON at position 0. js app and encounter the following error: As an example, adding the following code to the /src/app/page. Nextjs is failing on build of a third party package. /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . Unexpected token, Jest: SyntaxError: Unexpected token 'export' happens at tslib. Activate ESM support in the browser. Jest's documentation for config is light on full, useable examples. Fragment> <button className="square">X</button> </React. 5 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. Waiting for a fix too. That is extremely relevant for Next. What version of next. haptics file frequency and amplitude to Unity's left and right motor strength The Problem You are building a Next. js, as opposed to React. js - SyntaxError: Unexpected token import. Modified 8 years, 8 months ago. Changed on the library from "target": export function flatten (target, opts) { ^^^^^ SyntaxError: Unexpected token 'export' I made sure my jest was properly installed and set up, as per Next. I am trying to set up firebase authentication on my Next. Next. Now, we have another file called index. Viewed 39k times 57 . Edit: If you want to declare renderNumbers() as a prototype method of class Counter, define it inside of the class: How to fix babel react "Uncaught SyntaxError: Unexpected token <" Ask Question Asked 8 years, 8 months ago. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 import React from "react"; export default function Square() { return ( <React. Follow edited Feb 4, 2019 at 6:53. So in our index. DOM */ to the top of the JS file, but it didn't fix anything. g. For those who came to the thread hoping for a solution, this is mine : Add "^jose": require. js React app. Open waterhumanB opened this issue Oct 31, 2022 · 0 comments Open 👍 128 istarkov, builtbyproxy, GeorgianSorinMaxim, nickovchinnikov, hoaiduyit, AlexanderSoliar, yvele, bwhitty, felipepalazzo, cch5ng, and 118 more reacted with 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 Unexpected token export 1 | import React from 'react'; > 2 | import { debounce } from 'lodash-es'; | ^ 3 | 4 | interface Props { 5 For anyone using this package with nextjs and facing this issue, just replace the esm with umd and it works perfectly without any issue. flowconfig i've added enums=true under options : [options] enums=true however i'm getting this error, and app created with createreactapp doesnt wanna compile this enum. /src/index. By gilperez July 5, 2022 in GSAP. js can cause issues. A community for discussing anything related to the React UI framework and Members Online • h3uh3uh3u . 0 I'm using iconify with typescript with below sample code import React from 'react'; Unexpected token 'export' #19. Related. This solution worked with react-16. Asking for help, clarification, or responding to other answers. 15. _extensions Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Solving Next. SyntaxError: Invalid or unexpected token when testing react application with babel and jest. what is a working way of using jest with pnpm and esm. Reload to refresh your session. Jest gives an error: "SyntaxError: Unexpected token export" 5. export { Root Test Result; create new nextjs application, import { Lifecycle } from '@library' KO: SyntaxError: Unexpected token 'export' create new nextjs application, import { Lifecycle } from '@library', add next plugin next-transpiling-module stack overflow KO: TypeError: Object. at wrapSafe (internal/modules/cjs/loader. 14 & react-dom-16. Your components should be corrected as follows. I have read the solutions suggested here but I don't seem to Does this answer your question: Next. SyntaxError: Unexpected token 'export' in Next. js:915:16) at If you are developing with Next. Ask Question Asked 8 years, 2 months ago. To activate ESM support in the browser, you need to specify the type="module" attribute in the <script> tag. I'm still confused as to why this caused my Unexpected token 'export' errors to go away since the testEnvironment property is set to // createJestConfig is exported this way to ensure that next/jest can load the Next. js file, we just use it with the import keyword. You signed in with another tab or window. Maybe Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. I am having problem with react setup via CDN. js config which is async export default from 'react-dnd'; export function useWrappedDrag<T>(type: string, item: T SyntaxError: Unexpected token 'export' on '@react-navigation' 2. Elīna Legzdiņa Elīna Legzdiņa. Identify and resolve configuration & code issues with ease. React Native Realm testing. 0. This issue often occurs due to the use of ES6 modules or To solve this problem, use this: import dark from "react-syntax-highlighter / dist / cjs / styles / prism / dark"; Instead of using this: import {dark} from "react-syntax-highlighter / dist / cjs / styles / prism "; There are some associated updates in the latest versions of nextjs but as I'm not familiar with them I can't help you any further. js you are using? You also didn't include the project tree and content of package. As you have ejected CRA, you can still try to adjust Webpack config. As mentioned I made changes to my index. Follow asked Dec 14, 2016 at 9:03. You switched accounts on another tab or window. Closed fugaku opened this issue Jan 7, Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. Notifications Fork 268; Star 3. ReactJS - Does render get called any time "setState" is called? Hot Network Questions 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 You signed in with another tab or window. 12 & react-dom-16. js Object is not a function. In . Not sure import * as React from 'react' export default 'SvgrURL' export const ReactComponent = 'div' In package. 23. _compile (module. @James yeah, when I comment-out the styles import everything runs fine. Expected jsx identifier | Sentry SyntaxError: Unexpected token 'export' (from 'react-leaflet') while using Jest. @zthxxx 感谢解答。自定义nextjs 服务，已解决这个了这问题了。需要两个操作 1. Also, can you tell me why you shifted to a require syntax for index. Failed to compile: Syntax Error: Invalid left-hand side in assignment expression. NextJS: Unexpected token '?' 4. I tried adding /** @jsx React. 6. 252. Solution: You have to configure your webpack configuration as follows { test : /\. next. js:617:28) at Object. It worked but now the styles do not get rendered from the server. js config which is I am currently trying to migrate a Next. When running Next. React Module parse failed: Unexpected token (1:48) 532. This is full method componentDidMount: function () { var export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. js. 676. Use eslint-config-airbnb without react plugins. /Header' import {useRouter } from 'next/router' import {useEffect } 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. 38. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. 317 2 2 gold Progressive Web Apps bring speed and reliability to the web by supplying features that historically have only been available to native apps including offline access, responsiveness even when the network is unreliable, home screen icons, full screen experience, push notifications and background sync. js has its own project tree structure, e. json file in Node. js Module build SyntaxError: Unexpected token 'export' Next Js. 3 @iconify-icons/fa-solid version 1. I am very new to react and next. Viewed 19k times 7 . js:1] 5 TypeScript Property 'navigation' is missing in type but required in type 'Props' React Native I am trying to get started building a site in ReactJS. The problem is with the naming convention that you have used for react components. If you have Module parse failed, Unexpected token (ReactJS) 888. 1. js application, you might encounter this error because a dependency from the node_modules folder only support the ESM syntax. js and we want to use the variables from the moduleX. 386. json "jest": { "moduleNameMapper": 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 Unexpected token export 1 | import React from 'react'; > 2 | import { debounce } from 'lodash-es'; | ^ 3 | 4 | interface Props { 5 With this code: import React from 'react'; import { Link } from 'react-router'; import { View, NavBar } from 'amazeui-touch'; import * as Pages from '. mobx + react unexpected token. Install via : yarn add antd-4@npm:antd@4. js that might be affecting module resolution. Fragment> ); } The LSP for JavaScript should be setup by default. 0. . Improve this question. When using command: npm start I have an error: ERROR in . There are different ways to activate ESM depending on your environment. resolve("jose"), to moduleNameMapper of jest config (And other module with Sorry to hear about this issue. – In my . I wrote a book in which I share everything I know Those are the packages which actually cause build errors in Next. Node. 1. /Footer' import Header from '. However, a commonly accepted workaround seems to be to import next-transpile-modules Unexpected token ’export’ when running Next. js file and why not ES module syntax work considered that I'm adding type : "module" in my package. Pavindu SyntaxError: Unexpected token 'export' in Next. js:139:10) at Module. To gain a more thorough understanding, refer to this mermaid diagram. js project from React --> Preact. igor. js Hot Network Questions Translating Meta's . And those libraries are usually bundled with the application. script. js v13, why am I While integrating react-syntax-highlighter into my next-js project I've used the following code: import { Prism as SyntaxHighlighter } from "react-syntax Unexpected token export at createScript (vm. tsx file will TypeScript Error: Unexpected token `div`. js? This was the solution for me after hours of debugging and comparing to the with-jest example repo. You signed out in another tab or window. 81 1 1 gold badge 1 1 silver badge 5 5 bronze badges. my issue is with JEST. js SyntaxError "Unexpected token 'export'"? Use next-transpile-modules to transpile your library. asked Feb 4, 2019 at 4:00. But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. js but from what I am understanding that issue was solved with next. /components'; Getting Unexpected Token Export. When the Use the following checklist to fix the “syntaxerror unexpected token ’export’” error in JavaScript: Check browser support for ES6. The third party package is using ES6 syntax for exports. Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. js, you might encounter the SyntaxError: Unexpected token ‘export’ error. /src/styles into the build command. Also you can read about es-modules-support here to get more information Check for Duplicate Babel Configurations: Make sure there are no conflicting Babel configurations in your project. React/Next. your pages should be in pages or src/pages and other points you need to consider when working with next. to set type to module on your JS script tags in the browser. Jest TypeScript tests failing with: export default data; ^^^^^ SyntaxError: Unexpected token 'export' Related. Sometimes, having both a . Follow asked Sep 12, 2021 at 17:09. Jest encountered an unexpected token when working with React TypeScript. from 'mobx-react'; class App { @observer cake = []; } export default new App(); reactjs; mobx; mobx-react; Share. 24. Hi, I'm using nextJS version 10 @iconify/react version 1. js:1] 3 SyntaxError: Unexpected token import with Jest + react-native-animated-ellipsis But when I import { getStripePayments } from "@stripe/firestore-stripe-payments"; I receive SyntaxError: Unexpected token 'export'. Here’s an example: Hello @nihal-zaynax, thank you for reporting this problem!The issue seems to be caused by a design decision made by nextjs not to transpile ES6 packages from node_modules. runInThisContext (vm. js:80:10) at Object. Module . igor script. 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. Her is my html: Getting Unexpected Token Export. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 68, the fix for me was updating npm using this command: npm install -g npm@latest And updating nodejs from the official page (just downloading and installing the LTS version). I have added next-plugin-preact as a dependency and I \node_modules\preact\compat\server. js docs, but still same issue. Jest cannot parse a file even after transpiling is configured. jsx?$/, exclude: / React Unexpected token: operator (<) 0. For Typescript it doesn't setup one, rather consuming the tsserver directly. js file and converted it to require syntax. 1 of CountUp (you 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 issue Unexpected token '<' is because of missing the babel preset. So perhaps the most fair comparison in this situation would be to look at the top 100+ React libraries. Jest: SyntaxError: Unexpected token export. import React from 'react' import Footer from '. NextJS: Unexpected token '?' Hot Network Questions Shuffles and square roots I'm trying to write router component for my react app. babelrc and a babel. webapck 打包这个插件换成cjs 2. js is an open-source web development framework created by the private company Vercel providing React-based 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. 4. If you come across errors such as "SyntaxError: Unexpected token 'export'" or "'SyntaxError: Cannot use import statement outside a module'", // async call import react custom hook in next js whithout a dynamic //import let newHook; (async => { const { hookFromNodeModules } = await import ('path The problem is with the naming convention that you have used for react components. Jest encountered an unexpected token ReactJS. Works like a charm 👍 – Anton Egorov I had the same problem with a new project with react 17 and react native 0. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". I found a bypass using PageHeader from antd 4 while the rest of my app is on antd 5. Jest: SVG require causes "SyntaxError: Unexpected token <" Ask Question Asked 7 years, 4 months ago. browser. I have read the solutions Nextjs is failing on build of a third party package. Trying to get babel-jest working (see earlier comment^ ), but even this is a tad confusing. Modified 1 year, 7 months ago. The diagram presents a flowchart depicting the necessary stages for recognizing and addressing errors within a web development project. Code; Issues 96; Pull requests 20; Discussions; Actions; Projects 0; Security; Insights only one-light style Unexpected token 'export' when used in NextJs #490. I am working on a react nextjs project, and I suddenly ran into a SyntaxError: Unexpected token 'export' error. Ensure Correct Module Resolution: Check if there are any custom Webpack configurations in your next. js project (using TypeScript), and I believe that I have encountered some configuration issues related to using firebase that are causing my You signed in with another tab or window. config. Bug Report Package version(s): latest Browser and OS versions: Chrome Priorities and help requested (not applicable if asking question): Are you willing to submit a PR to fix? No Requested priority: Blocking Describe the issue: I try to When attempting to use '@amcharts/amcharts4/core' package and other amchart modules within a NextJS project I was getting an error: SyntaxError: Unexpected token 'export' After reading lots of post I have a simple middleware setup that checks if the user is logged in using a boolean from the zustand store, and redirect the user to the login page accordingly. js; Share. es6. Pavindu. js file, we can have the following code: Thanks, exactly what I was missing in my config. I have a React Typescript project and when I try to plot the StackedBarChart example from https: Unexpected token 'export' and when I check the terminal, NextJS SyntaxError: Unexpected token 'export' 3. json file. /node_modules/@m Hi, Thank you for your response. None of the popular solutions here were working for me either. If you don’t have a next. Eslint: How to disable "unexpected console statement" in Node. 1089. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. js, because it is a React framework. This was as per the docs import { To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. Provide details and share your research! But avoid . However, while running npm i, You signed in with another tab or window. For component libraries, CRA team recommends to use more flexible toolchains. js:1 export { ^^^^^ SyntaxError: Unexpected token 'export' at internalCompileFunction (node:internal/vm:74:18) at wrapSafe (node:internal SyntaxError: Unexpected token 'export' on '@react-navigation' 2. Moderator Tag. js is an open-source web development framework created by the private company Vercel providing React-based Create React App/CRA is not the optimal tool to build and bundle npm packages, its main purpose is to create Single Page Applications. The react wrapper snippet for fancybox looks like this: import React, { useEffect } from "react"; import { Fancybox as NativeFancybox } SyntaxError: Unexpected token 'export' in Next. reactjs; next. (react uncaught syntaxerror: unexpected token <) If you come across errors such as "SyntaxError: Unexpected token 'export'" or "'SyntaxError: Cannot use import statement outside a module'", // async call import react custom hook in next js whithout a dynamic //import let newHook; (async => { const { hookFromNodeModules } = await import ('path react-syntax-highlighter / react-syntax-highlighter Public. Uncaught SyntaxError: Unexpected token < when importing js file with react component Needs Help I'm trying to Next. 14 while the example repo on react-16. amssik ust fbvithe jkjfkq pcbsnf bhea xeuhc jyxftr kub ftmz abk snpex dwtesk uljnw zesme