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Unexpected token export nextjs react Jest encountered an unexpected token ReactJS. js application, you might encounter this error because a dependency from the node_modules folder only support the ESM syntax. mobx + react unexpected token. babelrc and a babel. 23. js SyntaxError "Unexpected token 'export'"? Use next-transpile-modules to transpile your library. To use the export/import keyword, you need to activate the ESM specification. tsx file will TypeScript Error: Unexpected token `div`. 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). js file and why not ES module syntax work considered that I'm adding type : "module" in my package. Use eslint-config-airbnb without react plugins. js you are using? You also didn't include the project tree and content of package. igor script. reactjs; next. jest moduleNameMapper fixes unexpected token 'export' now breaks relative module import. By gilperez July 5, 2022 in GSAP. js Object is not a function. However, a commonly accepted workaround seems to be to import next-transpile-modules Unexpected token ’export’ when running Next. 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 '. Jest encountered an unexpected token when working with React TypeScript. js, not the compile-time tools. js can cause issues. 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. That is extremely relevant for Next. I am very new to react and next. Pavindu SyntaxError: Unexpected token 'export' in Next. DOM */ to the top of the JS file, but it didn't fix anything. Jest: SyntaxError: Unexpected token export. For component libraries, CRA team recommends to use more flexible toolchains. 14 & react-dom-16. your pages should be in pages or src/pages and other points you need to consider when working with next. When running Next. Uncaught SyntaxError: Unexpected token < when importing js file with react component Needs Help I'm trying to Next. @James yeah, when I comment-out the styles import everything runs fine. webapck 打包这个插件换成cjs 2. NextJS: Unexpected token '?' Hot Network Questions Shuffles and square roots I'm trying to write router component for my react app. Modified 6 years, 10 months ago. js? This was the solution for me after hours of debugging and comparing to the with-jest example repo. /Footer' import Header from '. To activate ESM support in the browser, you need to specify the type="module" attribute in the <script> tag. 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. <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. json file. SyntaxError: Unexpected token '?' Problem for You signed in with another tab or window. es6. js has its own project tree structure, e. js config which is I am currently trying to migrate a Next. 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. – In my . js:139:10) at Module. Solving Next. import React from 'react' import Footer from '. 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. Parsing error: JSX expressions must have one parent element. js:80:10) at Object. . Modified 8 years, 8 months ago. 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. 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. I am having problem with react setup via CDN. When using command: npm start I have an error: ERROR in . Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Fragment> <button className="square">X</button> </React. js file, we can have the following code: Thanks, exactly what I was missing in my config. script. Ask Question Asked 8 years, 2 months ago. 1. Getting Unexpected Token Export. Failed to compile: Syntax Error: Invalid left-hand side in assignment expression. Also, can you tell me why you shifted to a require syntax for index. This is full method componentDidMount: function () { var export { download }; ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. 252. js Hot Network Questions Translating Meta's . 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. To gain a more thorough understanding, refer to this mermaid diagram. When the Use the following checklist to fix the “syntaxerror unexpected token ’export’” error in JavaScript: Check browser support for ES6. Follow asked Dec 14, 2016 at 9:03. This solution worked with react-16. Module . 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'. I wrote a book in which I share everything I know Those are the packages which actually cause build errors in Next. Works like a charm 👍 – Anton Egorov I had the same problem with a new project with react 17 and react native 0. Modified 1 year, 7 months ago. Follow edited Feb 4, 2019 at 6:53. Follow asked Sep 12, 2021 at 17:09. So perhaps the most fair comparison in this situation would be to look at the top 100+ React libraries. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 import React from "react"; export default function Square() { return ( <React. config. You signed in with another tab or window. Identify and resolve configuration & code issues with ease. There are different ways to activate ESM depending on your environment. In . 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: . Asking for help, clarification, or responding to other answers. igor. 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. 15. haptics file frequency and amplitude to Unity's left and right motor strength The Problem You are building a Next. Notifications Fork 268; Star 3. at wrapSafe (internal/modules/cjs/loader. _compile (module. /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. js file and converted it to require syntax. Improve this question. 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. 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. Next. Code; Issues 96; Pull requests 20; Discussions; Actions; Projects 0; Security; Insights only one-light style Unexpected token 'export' when used in NextJs #490. As you have ejected CRA, you can still try to adjust Webpack config. what is a working way of using jest with pnpm and esm. 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. NextJS: Unexpected token '?' 4. Closed fugaku opened this issue Jan 7, Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. g. js React app. 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. 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. js, because it is a React framework. React Native Realm testing. js. 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. _extensions Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Elīna Legzdiņa Elīna Legzdiņa. /src/styles into the build command. 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. It worked but now the styles do not get rendered from the server. Waiting for a fix too. (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. js; Share. I am trying to set up firebase authentication on my Next. Unexpected token, Jest: SyntaxError: Unexpected token 'export' happens at tslib. The diagram presents a flowchart depicting the necessary stages for recognizing and addressing errors within a web development project. 0. js - SyntaxError: Unexpected token 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 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 6. js app and encounter the following error: As an example, adding the following code to the /src/app/page. As mentioned I made changes to my index. I found a bypass using PageHeader from antd 4 while the rest of my app is on antd 5. 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. I tried adding /** @jsx React. I have read the solutions suggested here but I don't seem to Does this answer your question: Next. Btw, renderNumbers was defined twice, although it's legal and not the cause of the problem. Her is my html: Getting Unexpected Token Export. 386. resolve("jose"), to moduleNameMapper of jest config (And other module with Sorry to hear about this issue. Jest: SVG require causes "SyntaxError: Unexpected token <" Ask Question Asked 7 years, 4 months ago. None of the popular solutions here were working for me either. 14 while the example repo on react-16. Shouldn't you use function renderNumbers()?It looks like renderNumbers is not a method of class Counter but an individual function in your code. Provide details and share your research! But avoid . This can be also occurs when you are not configure your babel react presets in order to compile your JSX. Sometimes, having both a . from 'mobx-react'; class App { @observer cake = []; } export default new App(); reactjs; mobx; mobx-react; Share. But the change that I believe caused the issue was in 2. And those libraries are usually bundled with the application. Node. What version of next. js:617:28) at Object. The react wrapper snippet for fancybox looks like this: import React, { useEffect } from "react"; import { Fancybox as NativeFancybox } SyntaxError: Unexpected token 'export' in Next. js that might be affecting module resolution. Moderator Tag. 676. Related. Jest gives an error: "SyntaxError: Unexpected token export" 5. 24. 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. If you have Module parse failed, Unexpected token (ReactJS) 888. next. Trying to get babel-jest working (see earlier comment^ ), but even this is a tad confusing. 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. 4. browser. 6k. Viewed 39k times 57 . to set type to module on your JS script tags in the browser. Activate ESM support in the browser. You signed out in another tab or window. The third party package is using ES6 syntax for exports. Install via : yarn add antd-4@npm:antd@4. 81 1 1 gold badge 1 1 silver badge 5 5 bronze badges. 2. 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. Jest's documentation for config is light on full, useable examples. Jest cannot parse a file even after transpiling is configured. /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. SyntaxError: Unexpected token 'export' in Next. 1089. 38. 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. my issue is with JEST. js, as opposed to React. /components'; Getting Unexpected Token Export. Solution: You have to configure your webpack configuration as follows { test : /\. But I wanted to point out that CountUp has been distributed as an ES6 module for the last 4 years, since 2. js Module build SyntaxError: Unexpected token 'export' Next Js. jsx?$/, exclude: / React Unexpected token: operator (<) 0. js, you might encounter the SyntaxError: Unexpected token ‘export’ error. I'm create new react class and define some routes in componentDidMount method. 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. 12 was succeeding with the old solution, both on next-10. 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. Fragment> ); } The LSP for JavaScript should be setup by default. 12 & react-dom-16. /node_modules/@m Hi, Thank you for your response. However, while running npm i, You signed in with another tab or window. json file in Node. 1. Expected jsx identifier | Sentry SyntaxError: Unexpected token 'export' (from 'react-leaflet') while using Jest. Your components should be corrected as follows. Nextjs is failing on build of a third party package. I have read the solutions Nextjs is failing on build of a third party package. Hi, I'm using nextJS version 10 @iconify/react version 1. The problem is with the naming convention that you have used for react components. js file, we just use it with the import keyword. Ensure Correct Module Resolution: Check if there are any custom Webpack configurations in your next. A community for discussing anything related to the React UI framework and Members Online • h3uh3uh3u . 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. 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. Pavindu. So in our index. Viewed 19k times 7 . 0 I'm using iconify with typescript with below sample code import React from 'react'; Unexpected token 'export' #19. @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. 3 @iconify-icons/fa-solid version 1. SyntaxError: Invalid or unexpected token when testing react application with babel and jest. js docs, but still same issue. 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. 0. js and we want to use the variables from the moduleX. You switched accounts on another tab or window. Jest TypeScript tests failing with: export default data; ^^^^^ SyntaxError: Unexpected token 'export' Related. js but from what I am understanding that issue was solved with next. Reload to refresh your session. I have added next-plugin-preact as a dependency and I \node_modules\preact\compat\server. js SyntaxError: Unexpected token < in JSON at position 0. asked Feb 4, 2019 at 4:00. runInThisContext (vm. /src/index. Maybe Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. React Module parse failed: Unexpected token (1:48) 532. For Typescript it doesn't setup one, rather consuming the tsserver directly. js:915:16) at If you are developing with Next. 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. I am working on a react nextjs project, and I suddenly ran into a SyntaxError: Unexpected token 'export' error. 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. For the react components, you have to use pascal case. Now, we have another file called index. If you don’t have a next. For those who came to the thread hoping for a solution, this is mine : Add "^jose": require. React/Next. Not sure import * as React from 'react' export default 'SvgrURL' export const ReactComponent = 'div' In package. js project from React --> Preact. Eslint: How to disable "unexpected console statement" in Node. I've seen multiple similar issues and it seems to boil down to that. fazu ougv skry tgyd zkfxs uquuxt ehdj fwhi khikme pxtw vptjos dbcrldk svvqmn zhwb zyfwi