Syntaxerror unexpected token export react native. Parsing Error: Unexpected Token (Fatal) React Native JS.

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