Syntaxerror unexpected token export react native About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; ^^^^^ 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; 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. That's what stack trace says. I wrote a book in which I share everything I know about how 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 need to update the regular expression for the test value in your web pack config to be test: /(\. SyntaxError: Unexpected token < in JSON at position 0 - Currently, I'm migrating a react project Typescript but to do it as fast as possible and avoid more problems I' Issue : First of all, I'm not sure if this is a ts-jest issue or not, so sorry if I'm not reporting this in the proper place. While using old babel version everything worked fine, but because of some project problems we had to upgrade babel to 7 This ended up helping me import @microsoft/mgt-react into a Next Js v12 project. exports = {}; Share. js --bundle-output iOS/main. json (in my case - react-native-svg) installing those deps NOT through npm install, but through expo install. x of jest so I think since I'm just now upgrading from 27. I am trying to test this component with enzyme, using Mocha as the driver. 64 Here's my environment: OS: macOS Big Sir 11. get and check what file it refers to. This is full method componentDidMount: function () { var Solved this by just copying the component from the repo and putting it directly into our project. React Native; See all; Why Sentry? Web; Mobile; Native; Gaming; Internet of Things; Data; Enterprise; Open Source; Security & Compliance; Customers; Pricing; Docs; Blog; Sandbox; Sign In login; Get Started sign up; Sentry Answers > React > Jest encountered an unexpected token - SyntaxError: Unexpected token 'export' Jest encountered an Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js:1 Uncaught SyntaxError: Unexpected token < main. testing React Native Application with Jest - Jest encountered an 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 when trying to use @babel/register. 6 Init Code: Sentry. Have gone through all the solutions for the o Skip to main content. json . Unexpected token export #103. Hot Network Questions Are you allowed to cancel masses of different materials in chemistry to create a dimensionless quantity? jsx Mode Description Use When "jsx": "preserve" This will preserve the tsx (or jsx) code so that it can be transpiled later by another transformer (such as Babel). Also gone through this SO question, accepted answer is not working and another answer (adding react-native-web Solving Next. Stack Overflow. /Picker'; ^^^^^ SyntaxError: Unexpected token export Environment info. I created dashboard. 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). it's not plain JavaScript. SyntaxError: Unexpected token import - reactjs. Following the React Native for Web documentation you need to make this modification to your webpack config: Current behavior This is a reopening of #9488 I'm running a simple react-native app with typescript template. I am trying to use FormData to upload image and data using the fetch API following example from Spencer Carli. You signed in with another tab or window. ES6 code needs to be compiled before it can be run by Jest. If yes, I recommend using React Native for Web. Here is my package. undefined is not an object ( evaluating '_expo. x I'll stick with this solution for now. Using the ES6 Module syntax in a script without When running the Jest JavaScript testing framework in a React app, you may encounter an error such as the following: Jest failed to parse a file. 217 ReferenceError: describe is not defined NodeJs Unexpected Token when importing react-native-fetch-blob. test. Unexpected Token, expected } even though all React functions (functional components) have no constructor, nor this, they are instanceless. 4. Native Node Support for ES Modules. 1. Follow edited Feb 1, 2023 at 3:08. Looking for JS files in D:\React native projects\appOne Loading dependency graph, done. 4 | * Loads a string from storage. js:1 here's what my imports for React Navigation look like: import { NavigationContainer } from "@react-navigation/native"; import { createStackNavigator } from "@react-navigation/stack"; 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 For those who came to the thread hoping for a solution, this is mine : Add "^jose": require. Webpack was installed to launch the web version. Unexpected token, expected , (28:0), when coding React native. if i do npx react-native info, the cmd return me: Unexpected token '?' You signed in with another tab or window. Modified 3 years, 11 months ago. exports. unexpected token export with react-navigation. I follow the instructions on the Jest site, but for some reason I get: SyntaxError: Unexpected token < I can test SyntaxError: JSON Parse error: Unrecognized token '<' react native. Modified 7 years, 9 months ago. It lite 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 am writing a simple test using react-native-testing-library (my first steps with that library) in my react native expo app. So to be clear, I've followed the instructions to include 2 lines in my setup file, AND included the transformIgnorePatterns you suggested. init({ dsn: 'https I was using a jest. import React, { Component } from 'react'; import { ScrollView, Text, TextInput, View, Button } from Problem solution for SyntaxError: Unexpected token export when running jest in react-native-picker Picker. tsx to run my first tests. Modified 1 year, 2 months ago. js Error: Found Page Without a React Component as Default Export – How to Fix ; Fixing Next. js:1] 1 how to mock autofocus prop of a child textInput in ReactNative Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. React-Native Fetch "POST" request throwing "SyntaxError: Unexpected end of JSON input" in Android. When trying to run my app with yarn start, I'm facing this error: Android Bundling failed 449ms error: node_modules\expo\AppEntry. module. js SyntaxError: Unexpected token ‘export’ (module. 3 Ubuntu 18. 6k 22 22 gold badges 110 110 silver badges 133 133 bronze badges. "jsx": "react-native" Same as the "preserve" option, but the output will have a . When using command: npm start I have an error: ERROR in . Any ideas? export default class connects extends Component { render() { return ( So I'm trying to write tests on my React Native app with Jest and TypeScript. For the react components, you have to use pascal case. 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. You switched accounts on another tab or window. react-native info output: React Native Environment Info: System: OS: Linux 5. exports and require() statements). parse(localStorage. 1 Here's what Skip to main content React Native 0. You can use the useState and useEffect hooks to provide state and a sense of component lifecycle functions. 10. js Module build Problem solution for SyntaxError: Unexpected token export when running jest in react-native-picker Picker The problem being faced is related to the configuration of Jest, a popular JavaScript testing framework. Below you can see a sample test I wrote in that file. js:53:16) in elasticdump. what does your export look like? – Josh Valdivieso. 3 NodeJS: 15. js:53:16) at Module Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. This is the used package. NextJS SyntaxError: Unexpected token 'export' on node_modules. In the code below, I can't figure out what the unexpected token is. For component libraries, CRA team recommends to use more flexible toolchains. /src/index. You need to add an alias from react-native to react-native-web in webpack. I'm developing a mobile app using React-Native and Expo. <anonymous>":function(module,exports,require,__dirname,__filename,global,jest){import I tried to use react-native-material-ui but got an "Unexpected token export" I couldn't tell anything wrong with the statementall the references are correct and the code format is correct too. I have a React Native component that imports some stuff from this package. Commented Jan 28, 2019 at 15:23. ; I upgraded ts-jest (it was 22). react-native can not run in the browser. As you have ejected CRA, you can still try to adjust Webpack config. 67. json Describe the bug most of my tests broke after i upgraded react native on my project, i tried to debug and fix but could not get any progress on that Expected behavior my tests should work again Steps to Reproduce Screenshots Versions npm 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'; ^^^^^ SyntaxError: Unexpected token export 1 | import React from 'react'; > 2 | import { debounce } from 'lodash-es'; | ^ 3 | 4 | interface Props { 5 | bodyContent?: string at React Native Test Component With Moti and Jest error: SyntaxError: Unexpected token 'export' Ask Question Asked 2 years, 11 months ago. 0 react-native: 0. 0. after installing react-native package I got an error: C:\Users\Вячеслав\Documents\ReactNative>react-native init AwesomeProject2 This will walk you through creating a new React Native project in C:\Users\Вячеслав\Documents\ReactNative\AwesomeProject2 Installing react-native package I'm getting Unexpected token import when i use ScrollView from react-navigation . import { device } from 'detox'; import { export default const result = [] The second one has the same package. json, I have: "scripts": { "start": "babel-node . The Jest doc about Testing React Native Apps includes a section about compiling dependencies that don't ship pre-compiled code. Trying to detect host component names triggered the following error: Unexpected token 'export' There seems to be an issue with your configuration that prevents React Native By following these steps, you should be able to resolve the `SyntaxError: Unexpected token ‘export’` error and run your Jest tests on JavaScript files that use ES6 modules or other non SyntaxError: Unexpected token export > 1 | import AsyncStorage from "@react-native-community/async-storage" | ^ 2 | . 2. 0. 14. js extension. I'm trying to run a test for a personal website done in create-react-app. I realize this question has been asked multiple times but nothing has worked for me I'm trying to create a static build of a create-react-app project but I'm getting the following errors:. . removing deps that were causing the issue from package. Recently, I added the lightbox. 0 react-native-cli: 2. 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 Yup, i agree this is not a react-native-mock's faultbut this will be a very common issue when trying to shallow test an 3rd party's Component that has import keyword 😢. I have implemented detox for my react native app. Identify and resolve configuration & code issues with ease. SyntaxError: Unexpected token import. : Use this when you're using babel-jest to transpile your tsx (or jsx) files. runInThisContext (vm. 8 fetch returns SyntaxError: Unexpected token T in JSON at position 0. SyntaxError: Unexpected token react-native init. answered [React]Jest SyntaxError: Unexpected token import. Everything is doing great and the app is running as expected. 64 FBReactNativeSpec SyntaxError: Unexpected token ) PhaseScriptExecution. OS: Windows MacOS Linux Platform: iOS Android SDK: @sentry/react-native react-native-sentry react-native version: 0. Provide details and share your research! But avoid . Stack trace: export { default as add } from '. babelrc in your project's root directory and add this code there. ios. Asking for help, clarification, or responding to other answers. 70. Try the following steps to resolve the issue, Uninstall app in emulator/phone. SyntaxError: Unexpected token export, when import not compiled libraries #970. 64. 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 @krizzu, no help, at least, with the "Jest setup file" option. Ask Question Asked 4 years, 6 months ago. You will need to tell Jest to compile react-navigation-tabs by whitelisting it in the transformIgnorePatterns option in You signed in with another tab or window. SyntaxError: Unexpected token 'export' Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. 1 from 0. from '. And I've tried all the approach that you have mentioned. About; Products [React-Native][Jest]SyntaxError: Unexpected token import. config. js, so this package is used instead. tsx: 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 repo seems pretty stale and I didn't bother asking them to fix their dist folder to be es5 compatible. jsx files through babel loader. getItem I'm want to test a component in a React app using Jest Enzyme with TypeScript. Uncaught SyntaxError: Unexpected token in import React from 'react' 0. Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. js-react module but is throwing different import/export unexpected token errors during the t Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Update to NodeJS 16 is the solution for SyntaxError: Unexpected token '?' and not i am able to build the App using XCode. default. Modified 24 days ago. Jest is failing because of missing property in Expo (React Native) I installed react-native-radio-buttons-group and I have this error: Details: Skip to main content. By making it "^uuid$" this started working for me. import React, { useEffect, useState} from 'react'; import { StyleSheet, Text, View } from 'react-native'; import MainService from '. after add component link error: Uncaught SyntaxError: Unexpected token export import React, { Component } from 'react'; import { createContext, useEffect, useReducer } from "react"; const INITIAL_STATE = { user: JSON. Load 7 more related questions Show fewer related questions Sorted by: Reset to As React applications grow more complex, the patterns that were “just fine” when you were starting out might start to feel limiting. 4 LTS (Bionic Beaver) CPU: (6) x64 Intel(R) Core(TM) i5-9600K CPU @ 3. This error occurs However, it always shows me the same Syntax Error: Unexpected Token. npm install --save-dev @babel/core @babel/preset-env. Viewed 948 times React Native/Expo yet another SyntaxError: Unexpected token import while testing. 3 | / ** . Ask Question ^ SyntaxError: Unexpected token ) at exports. Then you need to create one configuration file with name . import @react-native-community/async-storage and test The "Uncaught SyntaxError Unexpected token 'export'" occurs for 2 main reasons: Using the ES6 Module syntax in a Node. 04. Unhandled promise rejection In my packages. Constants') Some react-native libraries ship uncompiled ES6 code. 6. I'm create new react class and define some routes in componentDidMount method. 7ced8661. js --presets es2016,stage-2" }, the server. g. React: Uncaught SyntaxError: Unexpected token < in JSON at position 0. js: Unexpected token 'e I wrote step by step what I did, maybe it could help you investigate later some other bugs: I removed babel-core, @babel/core and babel-jest to be sure jest will use the defaults sipped with it. Closed Dalfons0 opened I'm following this tutorial as I'm a beginner at React Native (and Javascript for that matter), and I'm running into an "Unexpected token" syntax error, but it does not tell me which character is I have initialized a react-native-project and converted it to use TypeScript. jsx extension. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. 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'm working on react-native for. Maybe To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. Open joncursi opened this issue Aug 5, 2016 · 5 comments from '. json and failes on the same code "unexpected token (1:15) -> the position 15 is after the "default". Jest - Install the babel packages @babel/core and @babel/preset which will convert ES6 to a commonjs target as node js doesn't understand ES6 targets directly. (react uncaught syntaxerror: unexpected token <) Newbie to React Native. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. Turns out babel 7 WILL be chosen and installed because of react . This likely means that cache file became broken for some reason. jsx)$/. runInThisContext (vm In my react native app project, i'm trying to run a test on the login page screen, test only the rendering of the elements in it. js Error: Blank Page on Production Build ; 👍 128 istarkov, builtbyproxy, GeorgianSorinMaxim, nickovchinnikov, hoaiduyit, AlexanderSoliar, yvele, bwhitty, felipepalazzo, cch5ng, and 118 more reacted with When I run attempt to bundle my app with: react-native bundle --platform ios --dev false \ --entry-file index. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". /App/mainservice'; Jest-Expo ( SyntaxError: Unexpected token 'export' ) Ask Question Asked 3 years, 11 months ago. Peter Mortensen. 3. Viewed 618 times SyntaxError: Unexpected token import with Jest + react-native-animated-ellipsis. You signed out in another tab or window. You can debug said FileStore. /add. SyntaxError: Unexpected token { at exports. ; I ran yarn why @babel/core to see if it was still installed, and if so why. 70GHz Memory: 542. I see. – dwilt SyntaxError: Unexpected token typeof Not used typeof in the project but it's used in react-native package. Right now you are telling webpack to only run . The code works fine until I import and call "createStackNavigator()". Parsing Error: Unexpected Token (Fatal) React Native JS. I had the same problem with a new project with react 17 and react native 0. Reload to refresh your session. Uncaught SyntaxError: Unexpected token < 1. js|\. Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. json file in Node. ca81c833. jsbundle I get the following error, with no other SyntaxError: Unexpected token: operator (*) Ask Question Asked 7 years, 9 months ago. What i get : Details: C:\Users\Hp\OneDrive\Desktop\testing wit SyntaxError: Unexpected token export when running jest See original GitHub issue. 0 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Improve this answer. I am using React Testing Library but I don't think this is the issue as the test fails on the file imports. chunk. /server/server. js application without type to module in package. js has: import path from 'path'; at the top I'm having a problem with my Expo project. Next. exports = { presets: ['module:metro-react-native-babel-preset'], }; to. 31. Giving the full context of the erro: ({"Object. The problem being faced is related to the configuration of Jest, a same bug after updating to react 0. error: bundling failed: SyntaxError: D:\React native projects\appOne\node_modules\@react-navigation\routers\src\index. 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. to set type to module on your JS script tags in the browser. testing React Native Application with Jest - Jest encountered an unexpected token The problem is with the naming convention that you have used for react components. json: Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. [React-Native][Jest]SyntaxError: Unexpected token import. Ask Question Asked 1 year, 2 months ago. react-native init AwesomeProject. js files through babel loader, but you aren't telling it to also run . 60. /config'; ^^^^^ SyntaxError: Unexpected token export at Object. React Native/Expo yet another SyntaxError: Unexpected token import while testing. { "presets": ["@babel/preset You signed in with another tab or window. The output will have a . There are only 2 tests, one of them renders the . resolve("jose"), to moduleNameMapper of jest config (And other module with 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 I'm trying to write router component for my react app. I also setup the project to compile to web, android, and ios. Your components should be corrected as follows. qqqv qlhh ttwebg ujo llmaqg twmeai bpxsf acher khncvje mxqkf jtwclyk mgnn qjdex cusvqek royczp