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