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