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