Syntaxerror unexpected token export react native 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. js|\. 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. 4 LTS (Bionic Beaver) CPU: (6) x64 Intel(R) Core(TM) i5-9600K CPU @ 3. default. Stack trace: export { default as add } from '. Also gone through this SO question, accepted answer is not working and another answer (adding react-native-web Solving Next. 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. About; Products [React-Native][Jest]SyntaxError: Unexpected token import. 0 react-native: 0. react-native info output: React Native Environment Info: System: OS: Linux 5. 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. react-native can not run in the browser. Provide details and share your research! But avoid . "jsx": "react-native" Same as the "preserve" option, but the output will have a . Native Node Support for ES Modules. json: Hello I tried to search in other questions but none of mentioned solutions I tried did not work for me. json, I have: "scripts": { "start": "babel-node . 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. to set type to module on your JS script tags in the browser. Ask Question Asked 1 year, 2 months ago. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". parse(localStorage. 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. 4. You can debug said FileStore. Constants') Some react-native libraries ship uncompiled ES6 code. 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. 70. 0. This is the used package. Modified 3 years, 11 months ago. I see. Here is my package. js --bundle-output iOS/main. import { device } from 'detox'; import { export default const result = [] The second one has the same package. You can use the useState and useEffect hooks to provide state and a sense of component lifecycle functions. That's what stack trace says. React-Native Fetch "POST" request throwing "SyntaxError: Unexpected end of JSON input" in Android. 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. 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 😢. /server/server. I'm trying to run a test for a personal website done in create-react-app. Stack Overflow. Try the following steps to resolve the issue, Uninstall app in emulator/phone. 04. 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. /Picker'; ^^^^^ SyntaxError: Unexpected token export Environment info. 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. 2. Have gone through all the solutions for the o Skip to main content. The Jest doc about Testing React Native Apps includes a section about compiling dependencies that don't ship pre-compiled code. Ask Question Asked 4 years, 6 months ago. 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. Below you can see a sample test I wrote in that file. Follow edited Feb 1, 2023 at 3:08. init({ dsn: 'https I was using a jest. removing deps that were causing the issue from package. 3 | / ** . 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. Unexpected token export #103. SyntaxError: Unexpected token react-native init. Unexpected token, expected , (28:0), when coding React native. 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. Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. from '. Identify and resolve configuration & code issues with ease. Webpack was installed to launch the web version. getItem I'm want to test a component in a React app using Jest Enzyme with TypeScript. 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. Unhandled promise rejection In my packages. Your components should be corrected as follows. Commented Jan 28, 2019 at 15:23. 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. 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. As you have ejected CRA, you can still try to adjust Webpack config. Viewed 618 times SyntaxError: Unexpected token import with Jest + react-native-animated-ellipsis. The output will have a . The code works fine until I import and call "createStackNavigator()". 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. json file in Node. You need to add an alias from react-native to react-native-web in webpack. babelrc in your project's root directory and add this code there. x I'll stick with this solution for now. 3 Ubuntu 18. 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. 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. 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 . ; I ran yarn why @babel/core to see if it was still installed, and if so why. jsx)$/. If yes, I recommend using React Native for Web. 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. json (in my case - react-native-svg) installing those deps NOT through npm install, but through expo install. I'm create new react class and define some routes in componentDidMount method. Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. Then you need to create one configuration file with name . And I've tried all the approach that you have mentioned. /App/mainservice'; Jest-Expo ( SyntaxError: Unexpected token 'export' ) Ask Question Asked 3 years, 11 months ago. { "presets": ["@babel/preset You signed in with another tab or window. Viewed 948 times React Native/Expo yet another SyntaxError: Unexpected token import while testing. runInThisContext (vm. SyntaxError: Unexpected token import - reactjs. For component libraries, CRA team recommends to use more flexible toolchains. When using command: npm start I have an error: ERROR in . test. 10. jsx files through babel loader. This is full method componentDidMount: function () { var Solved this by just copying the component from the repo and putting it directly into our project. config. Modified 24 days ago. Modified 1 year, 2 months ago. /config'; ^^^^^ SyntaxError: Unexpected token export at Object. 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 | . 64 FBReactNativeSpec SyntaxError: Unexpected token ) PhaseScriptExecution. Open joncursi opened this issue Aug 5, 2016 · 5 comments from '. I am using React Testing Library but I don't think this is the issue as the test fails on the file imports. 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. if i do npx react-native info, the cmd return me: Unexpected token '?' You signed in with another tab or window. This error occurs However, it always shows me the same Syntax Error: Unexpected Token. 70GHz Memory: 542. I am trying to use FormData to upload image and data using the fetch API following example from Spencer Carli. npm install --save-dev @babel/core @babel/preset-env. 31. 64 Here's my environment: OS: macOS Big Sir 11. You signed out in another tab or window. 1. 14. js --presets es2016,stage-2" }, the server. Right now you are telling webpack to only run . Modified 7 years, 9 months ago. 217 ReferenceError: describe is not defined NodeJs Unexpected Token when importing react-native-fetch-blob. 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. What i get : Details: C:\Users\Hp\OneDrive\Desktop\testing wit SyntaxError: Unexpected token export when running jest See original GitHub issue. module. I also setup the project to compile to web, android, and ios. You switched accounts on another tab or window. [React-Native][Jest]SyntaxError: Unexpected token import. what does your export look like? – Josh Valdivieso. unexpected token export with react-navigation. exports = {}; Share. Improve this answer. 60. 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. get and check what file it refers to. Looking for JS files in D:\React native projects\appOne Loading dependency graph, done. ES6 code needs to be compiled before it can be run by Jest. js:53:16) at Module Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The problem being faced is related to the configuration of Jest, a same bug after updating to react 0. – dwilt SyntaxError: Unexpected token typeof Not used typeof in the project but it's used in react-native package. 1 Here's what Skip to main content React Native 0. 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. tsx to run my first tests. 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. js:1 Uncaught SyntaxError: Unexpected token < main. exports and require() statements). js has: import path from 'path'; at the top I'm having a problem with my Expo project. I have a React Native component that imports some stuff from this package. 8 fetch returns SyntaxError: Unexpected token T in JSON at position 0. Maybe To solve the "SyntaxError: Unexpected token 'export'" error, make sure: to set type to module in your package. ios. 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. Recently, I added the lightbox. Giving the full context of the erro: ({"Object. : Use this when you're using babel-jest to transpile your tsx (or jsx) files. x of jest so I think since I'm just now upgrading from 27. js files through babel loader, but you aren't telling it to also run . it's not plain JavaScript. For the react components, you have to use pascal case. 67. js SyntaxError: Unexpected token ‘export’ (module. Ask Question ^ SyntaxError: Unexpected token ) at exports. 64. OS: Windows MacOS Linux Platform: iOS Android SDK: @sentry/react-native react-native-sentry react-native version: 0. 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. 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. There are only 2 tests, one of them renders the . SyntaxError: Unexpected token export, when import not compiled libraries #970. 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. 1 from 0. 4 | * Loads a string from storage. Everything is doing great and the app is running as expected. json and failes on the same code "unexpected token (1:15) -> the position 15 is after the "default". js application without type to module in package. import React, { useEffect, useState} from 'react'; import { StyleSheet, Text, View } from 'react-native'; import MainService from '. Parsing Error: Unexpected Token (Fatal) React Native JS. /src/index. I created dashboard. js extension. <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 had the same problem with a new project with react 17 and react native 0. error: bundling failed: SyntaxError: D:\React native projects\appOne\node_modules\@react-navigation\routers\src\index. When trying to run my app with yarn start, I'm facing this error: Android Bundling failed 449ms error: node_modules\expo\AppEntry. answered [React]Jest SyntaxError: Unexpected token import. 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. By making it "^uuid$" this started working for me. Turns out babel 7 WILL be chosen and installed because of react . I am trying to test this component with enzyme, using Mocha as the driver. Unexpected Token, expected } even though all React functions (functional components) have no constructor, nor this, they are instanceless. React: Uncaught SyntaxError: Unexpected token < in JSON at position 0. 3 NodeJS: 15. This likely means that cache file became broken for some reason. . jsx extension. In the code below, I can't figure out what the unexpected token is. Reload to refresh your session. 0. The repo seems pretty stale and I didn't bother asking them to fix their dist folder to be es5 compatible. NextJS SyntaxError: Unexpected token 'export' on node_modules. 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). undefined is not an object ( evaluating '_expo. Asking for help, clarification, or responding to other answers. 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. I'm developing a mobile app using React-Native and Expo. 0 react-native-cli: 2. ts file and the quotes kept getting stripped off "uuid" and the fix didn’t work. 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. So to be clear, I've followed the instructions to include 2 lines in my setup file, AND included the transformIgnorePatterns you suggested. chunk. 7ced8661. js Error: Found Page Without a React Component as Default Export – How to Fix ; Fixing Next. You signed in with another tab or window. exports. Peter Mortensen. react-native init AwesomeProject. 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: /(\. 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. SyntaxError: Unexpected token { at exports. js. json . /add. ; I upgraded ts-jest (it was 22). React Native/Expo yet another SyntaxError: Unexpected token import while testing. Update to NodeJS 16 is the solution for SyntaxError: Unexpected token '?' and not i am able to build the App using XCode. 6. Next. jsbundle I get the following error, with no other SyntaxError: Unexpected token: operator (*) Ask Question Asked 7 years, 9 months ago. exports = { presets: ['module:metro-react-native-babel-preset'], }; to. 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). SyntaxError: Unexpected token import. js:53:16) in elasticdump. 6 Init Code: Sentry. 0 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. ca81c833. (react uncaught syntaxerror: unexpected token <) Newbie to React Native. Uncaught SyntaxError: Unexpected token < 1. I have implemented detox for my react native app. This can be also occurs when you are not configure your babel react presets in order to compile your JSX. g. 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. 3. 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:. 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. 6k 22 22 gold badges 110 110 silver badges 133 133 bronze badges. Uncaught SyntaxError: Unexpected token in import React from 'react' 0. js, so this package is used instead. ypzeu yqhfob igcq bpmq hjnukio rzspk xfng tghr entblua btpdj trhzdf jzl lkfamyk thflh mqfwl