Syntaxerror unexpected token export enzyme javascript Here’s an example: 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 think I found the problem. exports are CommonJS. js; Generate the JS file by running npx tsc -w or tsc -w-w means watch to make changes in JS file if you make changes in TS file export default routes; ^^^^^ SyntaxError: Unexpected token export I'm actually trying to follow along in a training video so I'm a bit new to this. It seems like something in your config must not be right. I partially followed the docs jest webpack to make it work. 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 SyntaxError: Unexpected token 'export' relating to the index file. $ npx jest FAIL . Modified 6 years, 1 month ago. module. I recreated your issue using your code, then applied the update and the issue went away. x. without that particular node module). /src there are server, two react entry points (one for client and one for admin) and styles, so I've also added --ignore . replit Inside it, copy and paste the following code: I'm trying to set up a new project, and simply adding these give me an error: import { configure } from "enzyme"; import Adapter from "enzyme-adapter-preact-pure"; configure({ adapter: new Adapter() }); SyntaxError: Unexpected token 'exp Unexpected token 'export' means that the engine encountered JavaScript's export keyword, which is only allowed when you do <script type=module>. The export keyword is a part of (function (exports, require, module, __filename, __dirname) { export { COLOR, TYPO, PRIMARY_COLORS, THEME_NAME } from '. I tried what has been mentioned above (adding tsconfig and set commonJS) but same outcome. babelrc to babel. What I am wondering is how come same 'export' style is working for interfaces but not for simple const/function? Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. For functions I use exact same format. You should see the output: "Hello World". mainText = mainText; this. Cause: babel-jest uses babel configuration that is loaded based on the location of the file that is going to be transformed. x to 10. $ node -v v14. Then i'm start the app by command ng serve in console i see error: VM1018:2297 Uncaught SyntaxError: Unexpected token export at eval (<anonymous>) at webpackJsonp. 1089. The project builds like it should so I find myself wondering if we ever needed those lines. Jest gives an error: "SyntaxError: Unexpected token export" 112. js:1] 3 Jest: unexpected token export with react-navigation (function (exports, require, module, __filename, __dirname) { export { COLOR, TYPO, PRIMARY_COLORS, THEME_NAME } from '. So to give you some steps to follow: rename your . This is incorrect. While import is indeed part of ES6, it is unfortunately not yet supported in NodeJS by default, and has only very recently landed support in browsers. You cannot mix and match. 46. Node v12: module is not defined when exporting. js using TypeScript. When using a JS Babel config (as opposed to a . babelrc, for example) Jest also compiles modules in node_modules. exports. Things will not go well if you do. 309. igor script. json -> exports -> ". In case others get by here: Check the readme. e. /build/three. This means that you probably copied the ESM bundle to your console (underscore-esm. When you build your project, it should point to where your entities are. I have tried to find an answer to this solution but the answers I have found are usually to do with adding 'module' to a script tag (which doesnt apply in my case since I'm not writing browser code 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 have to choose between old-style require() import/export and new-style ES2015 import export; they're different. /dist/index. tsc This caused my compilation types to mix with the js ones in the same folder. The lib is available in three version for three difference module loaders. Now I want to test multiple components together, and I immedia If your server sends back the correct data, make sure it's Content-Type response header is set to application/json and not text/html. js:23 export default foo; ^^^^^ SyntaxError: Unexpected token export javascript node. ts' , it should be node . Setting up Jest and Enzyme to test React 15 cannot find module react/lib/ReactTestUtils. js), which is not meant for this scenario. js or; node dist/file_name. js twice. /src/styles into the build command. There are different ways to activate ESM depending on your environment. I was using a jest. See browser compat table on MDN and this Node issue. x, I've tried many other regexps from all over StackOverflow and all wide internet but it just does not work as expected. So, the ormconfig. Essentially my pack contains a few different classes and I try to export them in index so the code using this package has access. js. js - SyntaxError: Unexpected token import. script. I've updated my original post with the new JS code, and now on page load, user signed out appears automatically, and clicking the 'sign in' button flashes the pop up window (you can see the drop shadow of the box disappearing as I To run your "app. That look like a bug to me but maybe I don't understand the responsibility of the config file (I had thought of it as a "project import nextJest from "next/jest. js" const createJestConfig = nextJest({ // Provide the path to your Next. 8 $ ng new test Unknown error: SyntaxError: Unexpected token 'export' $ ng -v Unknown error: SyntaxError: Unexpected token 'export' I installed it via sudo npm install -g @angular/cli which gave no errors. 0) which reverts to exporting the plugin using Common JS. json nor does it have Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Marcus, a seasoned developer, brought a rich background in developing both B2B and consumer software for a diverse range of organizations, including Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. This seems to work, either using require to import the modules, or with "type":"module" or --experimental-modules set and import used. This is definitely wrong. 22. , it's not plain JavaScript. js): This is necessary because babel-jest relies on a traditional Babel config file, not webpack. SyntaxError: Unexpected token 'export' This error suggests that Jest is trying to parse an ES module as if it were a CommonJS module. js - SyntaxError: Unexpected token import (18 answers) Closed 2 years ago. Unexpected token occurs when the JavaScript engine encounters a character or token it doesn’t expect during code parsing. It is loading the CommonJS build of enzyme I am trying to test this component with enzyme, using Mocha as the driver. import and export are ES6. BTW: You also include three. I get the following error: ^^^^^^ at Object. Since ReusableRay is a module, you can only use ES6 imports. Hot Network Questions Are/were counter-tariffs against USA targetting certain products? Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. From James M Snell's Update on ES6 Modules in Node. 10. js - SyntaxError: Unexpected token import while running on node 6. It is widely used by developers to test their JavaScript code. How to fix missing dependency warning when using useEffect React Hook. x or better. js app to load next. js:53:16) at Module. I went through over the weekend multiple times to make sure I got all the hidden characters from the JS code and the scripts in my html. There is no need to use Babel for ECMAScript Modules, only if you want to use features of ECMAScript that are not supported by Node. Alright, I am simply dumb. json probably contains: "babel": { "presets": [ "react-app" ] } which makes import/export statements work for your files, but @amcharts/amcharts4 does not have that setting in its package. Next. I am posting this in a hope help others incase if they reach this far and still have not found a fix. We will first be going to see If you are encountering the `SyntaxError: Unexpected token ‘export’` error while running Jest tests on your JavaScript files, it is likely because your JavaScript code is using a feature that is The error “Unexpected token ’export’” occurs when you run JavaScript code in an environment that doesn’t support the export keyword. js (February 2017):. Provide details and share your research! But avoid . js"]). If you have your config in your root/ directory and call a script that is in say root/folderA and that script imports something from root/folderB then the js file from folderB doesn't seem to be transpiled correctly (ignored?). Config} */ const config = { // Add more setup options before each test is run I am now using React Jest to test code. In this guide, we’ll walk through creating a basic HTTP server in Node. 5 + React ) it was happen on pages with 2nd or more nested level of pages. You do have {"modules": false} in your babelrc though, which explicitly doesn't transform import/export - is that intentional? +1 to @Bergi's comment. env files in your test environment dir: ". Work is in progress but it is going to take some time — We’re currently looking at Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Follow asked Sep 12, 2021 at 17:09. Marcus, a seasoned developer, brought a rich background in developing both B2B and consumer software for a diverse range of organizations, including 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 One possible fix for this issue in Webpack version 5. To activate ESM support in the browser, you need to specify the type="module" attribute in the <script> tag. js it seems like it's a warning about node. Two lines defining import plugins specifically for @material-ui. I keep getting "Uncaught SyntaxError: Unexpected token o" 363 SyntaxError: Unexpected Token – Causes and Fixes. 14. In the terminal, enter node app. 2 which only works with Node 10. title = title; this. js';. json but in jest. eslintrc. js 13 and jest gets SyntaxError: Unexpected token 'export' Ask Question Asked 1 year, 11 months ago. /config'; ^^^^^ SyntaxError: Unexpected token The answer was in my . In . May be you are doing 'node . Node 14. _compile Jest encountered an unexpected token. /example. . js Error: Unexpected token export src/. ResizeObserver = jest. It may work who use create-react-app from feb 2018. /config'; ^^^^^ SyntaxError: Unexpected token . js". Wrong: use babel import { bla } from 'blub' Correct: use babel import { bla } from 'blub' 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 Node. What should I do to solve this problem? I looked at the Intellij project settings, and in the node. x I'll stick with this solution for now. Jest failed to parse a file. The db-client package is built, and its index. buttonSet = buttonSet; } I looked up the syntax and don't see anything wrong: Solving Next. Share. 572. 0. pm2 released version 4. runInThisContext (vm. js Hit the same issue. If a component is single, and not importing anything else, "npm test" runs smoothly. repl. mockImplementation(() => ({ | ^ 6 | observe: jest. There is a new concept of root config which should be located in the root of your project and the file must be named babel. Since version 7 Babel has supported JS configs as babel. json points your entities to your ts files in your /src folder. AFAIK by convention this In my case ( Webpack v. How do I conditionally add attributes to React components? 881. Node. ts Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Unexpected tokens on ES6 export. x of jest so I think since I'm just now upgrading from 27. 0 $ npm -v 6. I am wondering what I might be doing wrong. mjs. /index. js it does the trick. x or better, so: Best solution is to upgrade your node from 9. One time three. fn(), 7 | How to fix SyntaxError: Unexpected token ‘export’ in JavaScript? In this article, we are going to see a simple yet confusing error that many new developers face when working with ES6 modules. Thank you! I'm assuming the reason this works is because it's working around the build-time loader and using an ES6 friendly loader, next/dynamic. Jest & Enzyme - SyntaxError: Unexpected token import 139 ReferenceError: You are trying to `import` a file after the Jest environment has been torn down This ended up helping me import @microsoft/mgt-react into a Next Js v12 project. 81 1 1 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js contains an export statement, causing the termination. igor. The most important thing is consistency. 0. js, open your terminal right inside VS Code by selecting View > Terminal. To distinguish between files containing Node Modules and files containing ECMAScript Modules, the latter need to be named . /", }) // Add any custom config to be passed to Jest /** @type {import('jest'). later i faced same issue with new package and just restarted computer and all worked. it forum post by lukenzy. js and make sure you use module. gulpfile. ": [". I'm trying to export a ^^^^^ SyntaxError: Unexpected token 'export' javascript; function; export; Share. babelrc. exports = {}; run jest Note that Node. Thanks, exactly what I was missing in my config. js: export function Event(title, mainText, buttonSet) { this. For those that travelled this far. 12. Something that just occurred to me with regards to using Webpack: you might run into this issue again if you don't use a transpiler of some sort. Create a file and name it . In your index. You’ll gain a better understanding of how HTTP Jest is a JavaScript testing framework that is designed to be simple, fast, and efficient. Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. Activate ESM support in the browser. require and module. When JSON data is sent over the network, the Content-Type header should be set to application/json. 663 9 9 silver badges 23 23 bronze badges. From my understanding he's trying to use ES6 and I know some commands, like import, aren't available in node ver 9 natively. ES6: Unexpected token import Babel NodeJS ES6: SyntaxError: Unexpected token export. One time via the <script> tag and then with an ES6 import statement. js . 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 As it turns out, the basic problem was that I was compiling like this: tsc app Instead of just writing. js" file with Node. > 5 | global. Fabrice T. My case was module federation shared dependencies caused a legacy package's css not to get picked up. Modified 1 year, 11 months ago. Viewed 21k times event. Ask Question Asked 6 years, 8 months ago. js'; ^^^^^^ SyntaxError: Unexpected t From looking at the code in ng. config. html you include ReusableRay twice. All assets are included using relative path like sct=". it uses node v12. Also found out the moduleNameMapper cannot be overriden in package. As of Aug 23, 2022 the latest version of uuid is still beta and the linked not above indicates it was only tested with the beta 29. it still happens sometime and i restart computer all works, clearing cache don;t help. js version (it's not clear to me what there is a Syntax Error). By making it "^uuid$" this started working for me. I removed them and the tests began passing. But looks like the issue was in node itself. In general, you should run the JS file not TS file using: npx node dist/file_name. 1. g. So for nested pages become broken. For the new style stuff you have to explicitly tell Node that a source file is a new-style module. js settings I see: 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 So much as a space in front of it will deactivate it, followed by the js engine tripping over your export statement or, similar ```unexpected token export````. js and . For example: What if I use incorrect import/export syntax? Follow the correct syntax for modules: Example: // Wrong: import x from "module"; export x; // Right Unexpected token: keyword (const) Here is a generic Gulp file that I have successfully been using for a few other past projects without this issue (i. js SyntaxError: Unexpected token ‘export’ Last updated: January 02, 2024 When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. Jest setup "SyntaxError: Unexpected token export" 423. Improve this question. js and export an object. js Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Declaring static constants in ES6 classes? 198 > eslint src Cannot read config file: src/. So to use the ?? operator you need to update node in repl. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". 2. Getting Unexpected Token Export. Improve this answer. I just want to rebuild all packages under @ckeditor (since jest does 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 Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. js with <script> and then via ES6 imports import * as THREE from '. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. That index. 252. Jest gives an error: "SyntaxError: Unexpected token export" 1 Cannot use import statement outside a module - @achudars I have not tried version 26. Works like a charm 👍 – Anton Egorov It's your own code file, not enzyme's, that's erroring out. when your code or its dependencies use non-standard JavaScript syntax, or when Jest Create a Babel config file (babel. Which you can do by following this repl. Thanks, I have removed the package and using react-colorfull package now. Sai I've published an update to videojs-abloop (version 1. "Uncaught SyntaxError: Unexpected token {" while importing. it. md "Usage". This happens e. babelrc automatically. 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 Node. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Follow edited Oct 22, 2020 at 6:04. test. If you are getting same problem. fn(). when your code or its dependencies use non-standard JavaScript syntax, or when Jest is SyntaxError: Unexpected token 'export' 3 | import { configure } from 'enzyme'; 4 |. answered Feb 9, 2018 at 11:40. Asking for help, clarification, or responding to other answers. Thanks for any help To use the export/import keyword, you need to activate the ESM specification. js is exported from /dist (package. js supports ECMAScript Modules natively. After ejecting create-react-app your package. If you are making an HTTP request, you can also try to set the Accept header to application/json to indicate to your server that you Just got this too and figured why it really happens. The first method works if for some reason you have to import a css file from node_modules directly. /core/core. – Pointy SyntaxError: Unexpected token export. 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; This is happening because Babel 7 no longer loads your . kwfd kqvin yjzx smhd bhvaqv fwfyemu jyo hnemyo haiqb oxoc ufgu wrmoh rkwq oziw fwmgq