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Jest syntaxerror unexpected token export aws amplify createElement: type is invalid -- expected a string) 5 expo app with testing react-native-testing-library and jest-native "has no exported member 'toHaveProp" Sep 6, 2017 · Things change quickly in the js world. The issue is with the base docker image. add a folder __mocks__ in root folder where the node_modules reside. Transform all JS files (except for “uuid”) using Babel, which will convert the ESM code into CJS code. Please note, this b Jul 23, 2024 · Jest encountered an unexpected token Jest failed to parse a file. Dec 26, 2023 · Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. May 21, 2023 · 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 Mar 25, 2022 · Hi Fixed this issue by deleting the aws-export. SyntaxError: Unexpected token 'export' 1 | import {Injectable} from '@angular/core'; > 2 | import { Auth } from 'aws-amplify'; Oct 17, 2017 · You need to edit your jest. js"} SyntaxError: Unexpected token 'export' I have tried updating my jest. /Header'; Jul 12, 2020 · Test Vue with Jest fail, Jest encountered an unexpected token, SyntaxError: Unexpected token import 8 Jest + Vue - SyntaxError: Unexpected token <. Apr 16, 2019 · I'm building a React app with AWS Amplify. Jan 13, 2025 · The issue that package change-case has only ESM version (lates version code) and Jest has only experimental ESM support feature. Tasty treats for web developers brought to you by Sentry. import { defineConfig } from 'vite' import react from '@vitejs/plugin-react' // https Jun 26, 2019 · You signed in with another tab or window. it uses node v12. In my case, the package react-navigation module need to be translated. js: Aug 7, 2018 · I just found a solution to this problem. Based on this, on latest configurations you must use/replace your Plugins/Preset of es2015 and any esX to the new one: env. I'm still confused as to why this caused my Unexpected token 'export' errors to go away since the testEnvironment property is set to node by default according to the docs. I've searched for previous similar issues and didn't find any solution. I attached the below screenshot for reference. It is not compiled to ES5 and Jest reports a SyntaxError: Unexpected token export. How to force Jest to transform that file? Aug 10, 2023 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. Sep 25, 2019 · I have a test for a test for a TSX file written in a JSX file which fails to run due to unexpected token: Test suite failed to run Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. js, ensuring validation at every step can improve user experience. /svgTransform. Nov 30, 2022 · You signed in with another tab or window. Jan 15, 2019 · I've created test for my connected component. This is the test I'm running: import { render, screen } from '@testing-library/react' import { toBeInTheDocument } from '@testing-library/jest-dom' i Mar 25, 2022 · Hi Fixed this issue by deleting the aws-export. Jun 28, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. May 11, 2021 · Test Vue with Jest fail, Jest encountered an unexpected token, SyntaxError: Unexpected token import 1 Jest with vuejs import es6 fails SyntaxError: Unexpected token < Aug 26, 2022 · 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 Jan 13, 2023 · 事象Jest を実行した時、SyntaxError: Unexpected token 'export' が出ました😭エラー詳細は以下の通りです。 FAIL ***. And Jest doesn't like it. Mar 26, 2018 · Unexpected token, expected ; This happens when in my index. Get tips and tricks from Wes Bos and Scott Tolinski. Apr 21, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 249 Jest gives an error: "SyntaxError: Unexpected token export" 1 Cannot use import statement outside a I've seen some other answers and GitHub issues that describe this, but I haven't been able to find a solution in my case. g. After attempting to use the built in Accordion UI, importing with the following code as per documentation examples: `import { Ac I figured it out. 22. Each yearly preset only compiles what was ratified in that year. Aug 30, 2021 · Jest gives an error: "SyntaxError: Unexpected token export" 2 Test Vue with Jest fail, Jest encountered an unexpected token, SyntaxError: Unexpected token import Feb 23, 2024 · We are using aws-amplify for our page authentication after updating the aws-amplify package to the latest version few jest test cases got failed. Jun 23, 2022 · I am trying to use AWS Amplify UI in a React project. Asking for help, clarification, or responding to other answers. CommonJS modules doesn't support export syntax. config and changing the transformIgnorePatterns but not having any success Dec 26, 2023 · Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. So for the Jest tests to run, it first needs to be transpiled by Babel. SEE EPISODES Nov 12, 2019 · I'm brand new to AWS, and I'm trying to invoke a Lambda function (Node 10. 1. Jan 29, 2024 · Jest - SyntaxError: React Navigation - Unexpected token export for [node_modules\react-navigation\src\react-navigation. test. Amplify CLI generates the the export file which uses es6 exports. Provide details and share your research! But avoid …. Ask Question Asked 2 years, 5 months ago. So to use the ?? operator you need to update node in repl. Dec 13, 2024 · while this issue seems very simple to fix and with some posts stating a similar issue, I followed everything possible before coming here to ask. We may need to bundle our css in the react package with something like rollup for it to properly work with that electron boilerplate package. Feb 29, 2024 · 这样，我们就可以在测试代码中使用 import 和 export 语法了。 总结. npm install --save-dev @babel/core @babel/preset-env Jun 25, 2017 · SyntaxError: Unexpected token ( for jest. 3 to 27. I have a React web application built with AWS Amplify hosted in an S3 bucket. You switched accounts on another tab or window. add ngx-cookie-service. 1 : Uncaught SyntaxError: Unexpected token export Feb 11, 2019 · Describe the bug When attempting to include the withAuthenticator HOC component in a new Expo application the existing Jest tests fail with Jest encountered an unexpected token. Sep 24, 2019 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. The packages is collected from several projects to create a reusable libr In my case I upgraded from Jest 26 to 29 and I think this may have been a breaking change along the way. Reload to refresh your session. In this guide, we’ll use… Dec 21, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. This repo contains several reusable libraries for my backend projects. , it's not plain JavaScript. Jul 3, 2023 · import nextJest from "next/jest. /arc. 3. svg$': '. js file for a particular component (let's say Header), I'm exporting my component like this export default from '. I had exacty the same problem as you mention above. env files in your test environment dir: ". You signed out in another tab or window. 6. x) from a webpage, passing a JSON string from fields in the webpage to the Lambda function to add to a Dynamo table. 1. This means, that a file is not transformed through TypeScript compiler, e. /core/core. With webpack 4, and babel configured correctly, you shouldn't need to use babel-core nor babel-jest. +\\. js'; ^^^^^^ SyntaxError: Unexpected t Nov 25, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 3 'Unexpected token import' while testing in create-react-app. 6. js" const createJestConfig = nextJest({ // Provide the path to your Next. json. May 31, 2023 · Jest encountered an unexpected token. Jan 22, 2019 · I succeed to deploy my code to lambda function running Node 8. Marcus, a seasoned developer, brought a rich background in developing both B2B and consumer software for a diverse range of organizations, including hedge funds and web agencies. May 15, 2020 · This is a problem caused by using react-router with AWS amplify. Dynamic imports in Jest produce: SyntaxError: Unexpected token import. I'm getting the dreaded SyntaxError: Unexpected token export when trying to Mar 16, 2023 · @axiac Thank you for pointing this out. Or use a Jest config to map d3 to the minified build: Feb 27, 2023 · Map the “uuid” package to its ESM code, so that Jest can recognize its “export” statements. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. It suggests adding the following entry in the Rewrites and redirects section of App settings in AWS Amplify: Apr 3, 2018 · I am unsure whether your step will not get you stuck in near future. The "issue" is that Jest only wants to process CommonJS-style code. css it works without any errors. Apr 20, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. However when I try and run the simple test I wrote to try and make sure Jest is working Dec 2, 2018 · Hi @robbylucia,. Sep 17, 2021 · A quick fix is to use the minified d3 build, which is already transpiled. Apr 17, 2023 · The config line you added only works with non nested tslib which is directly under node_modules. ts Test… I'm using Amplify for front end web app, built via Vite with React. Apr 4, 2023 · I resolved the problem, it's works for me, just change in vite. Aug 2, 2022 · Background I have a monorepo project built using Nx. Adding support for es6 import/export makes it easier to get read the settings fixes aws-amplify#1623. May 3, 2019 · import Amplify from 'aws-amplify'; import { AuthPiece } from 'aws-amplify-react'; import { Auth, Logger, JS } from 'aws-amplify'; If I comment out the style. Feb 23, 2021 · To put this in different terms, I'm using Jest to test a package with "modern" JavaScript, which in-turn imports another package with "modern" JavaScript. babel-preset-env replaces es2015, es2016, es2017, latest. There is a new concept of root config which should be located in the root of your project and the file must be named babel. My case was module federation shared dependencies caused a legacy package's css not to get picked up. 1 but the nullish coalescing operator (??), is relatively new and was added in node v14. If you follow these tips, you should be able to avoid the Jest SyntaxError: Unexpected Token ‘export’. By default jest doesn't transform ES6 js code from node_modules. However, I receive the following errors after bundling the project with WebPack: Uncaught SyntaxError: Invalid or unexpected token (in Chrome) Mar 17, 2020 · Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Dec 13, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. it. I was always able to do navigation within the app (clicking on router links for example), but if I attempted to directly Oct 2, 2023 · With this setup, our test suites all pass, except for one, which is referencing aws-amplify. min' demo 1. In one file I import 'Localization' module which is located outside project root folder. JS 2. Modified 7 years, tests failing with SyntaxError: Unexpected token export. See this github issue. ts, to. Jest - Unexpected token import. So you may need to use CommonJS export syntax for this. I unit test my app using RITEway. Here's what you can do. Scroll down a little and see that you can use npm run start:dev to start the project. That should give you more insights and if you have the same issue now you know that the problem is in your ts version/config Dec 20, 2024 · Jest encountered an unexpected token Jest failed to parse a file. Sep 18, 2018 · This is happening because Babel 7 no longer loads your . I finally found a workaround for this. . So I added transformIgnorePatterns to my jest configuration and everything worked: Mar 11, 2019 · The only way I could get this to work for myself was to add: { "targets": { "node": "current" } } So that my presets read: Jest encountered an unexpected token Jest failed to parse a file. Adjust your transformIgnorePatterns allowed list: "jest": { "transformIgnorePatterns": [ "node_modules/(?!@ngrx|(?!deck. But how can I remove this issue so that it doesnt cause issue to others when I commit code. js. first = first;}} # Set the type property to module in your package. Jest failed to parse a file. Jan 30, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. js と AWS Amplify を使ったプロジェクトで、TypeScriptのファイルに対してJestのテストを書いたら、 SyntaxError: Unexpected token 'export' エラーが発生。 このエラー自体はよくあるやつだが、設定を大きくいじらず解決する方法を調べるのに結構時間がかかったので Dec 13, 2024 · while this issue seems very simple to fix and with some posts stating a similar issue, I followed everything possible before coming here to ask. Aug 24, 2023 · You signed in with another tab or window. That base docker image has old alpine with nodejs version 12. Just use presets env, react, stage-0 to babelrc. 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. The solution for me: Oct 14, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Dec 23, 2020 · This time I'm going to talk about a specific error: SyntaxError: Unexpected token 'export'. Jul 31, 2023 · When I run tests on the project, I have the next problem on my project after intalling Swiper export { default as Swiper, default } from '. because it is a JS file with TS syntax, or it is published to npm as uncompiled source files. I have issues with Jest picking up an internal library, Jest would display 'unexpected token' errors wherever I had my imports from this library. Not one bit. For anyone using create-react-app, only certain jest configurations can be changed in package. js' so your jest. Jan 22, 2022 · I'm using jest to test a react TypeScript app. 在使用 Jest 进行单元测试时，遇到 “SyntaxError: Unexpected token 'export'” 的问题，是因为 Jest 默认不支持 ES6 的模块语法。我们可以使用 Babel 转换器或者 Jest 的 esModules 选项来解决这个 May 6, 2020 · Try to perform a manual typescript compilation by running 'npx tsc' (if installed locally, which you should). 60. json file To solve the error, set the type property to module in your package. js:1 {export {defauls as arc} from ". js and export an object. Ask Question Asked 7 years, 5 months ago. Jan 25, 2017 · Having trouble running Jest tests: `SyntaxError: Unexpected token <` 5 [React]Jest SyntaxError: Unexpected token import. I first found this Jest issue #2550 it mentioned setting up transformIgnorePatterns and adding "allowJs": true to our tsconfig. This happens e. To use RITEway with React, I have to install @babel/core @babel/polyfill @babel/preset-env @babel/register and then run the tests with: May 25, 2022 · Test suite failed to run Jest encountered an unexpected token Jest failed to parse a file. May 21, 2023 · If you’re developing a multistep form in Next. json when using create-react-app. Mar 16, 2023 · Checkboxes for prior research I've gone through Developer Guide and API reference I've checked AWS Forums and StackOverflow. json file. js file does not end with the following export default and the new line, it will error out with unexpected token 'export' as documented here. When the config files are updated, we try to read the value from aws-export to keep the custom setting in aws-export. js app to load next. gl)|ng-dynamic)" Mar 30, 2022 · If our aws-exports. Jan 30, 2020 · Describe the bug Jest + Nrwl tests using amplify fail To Reproduce Steps to reproduce the behavior: Create an Angular application using Nx Inject AmplifyService into an Angular component Write a Jest test for that component Run the test Dec 11, 2020 · Test Vue with Jest fail, Jest encountered an unexpected token, SyntaxError: Unexpected token import 4 Vue. The first method works if for some reason you have to import a css file from node_modules directly. it's not plain JavaScript. js:1] 95 Importing images breaks jest test Nov 21, 2018 · I'm trying to add testing to my Electron + Vue2 application written in TypeScript using ts-Jest/ Jest and Chai. babelrc automatically. config. js and . js file in the root directory. 10. Your test cases for different components require those components to be present in node_modules. Mar 2, 2024 · // ⛔️ Uncaught SyntaxError: Unexpected token 'export' export class Person {constructor (first) {this. Config} */ const config = { // Add more setup options before each test is run Sep 12, 2021 · It's because you are using CommonJS modules by default in NodeJS. Tips for Avoiding the Jest SyntaxError: Unexpected Token ‘export’ In addition to the tips above, here are a few additional tips for avoiding the Jest SyntaxError: Unexpected Token ‘export’: Sep 13, 2022 · Have you read the overview and tutorial on NestJS' site yet? Here you can see what the CLI can do. I spent 2 days trying to figure out what was causing the error as my configuration was working fine and I could test some simple components until I tried to test a component which is using an external dependency, in my case react-day-picker . Mar 13, 2023 · Issue with jest "Unexpected token 'export'" Related questions. Either import the minified build directly: import * as d3 from 'd3/dist/d3. /", }) // Add any custom config to be passed to Jest /** @type {import('jest'). 5. There is a common approach to fix such issue. js file in __mocks__ folder and place the following code: Sep 9, 2022 · node_modules\d3-shape\src\index. Aug 7, 2021 · repl. Having trouble running Jest tests: `SyntaxError: Unexpected token Mar 17, 2021 · Jest-Expo crashes on example (React. This issue still persists. Try Teams for free Explore Teams Dec 28, 2022 · Jest encountered an unexpected token Jest failed to parse a file. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". Jan 31, 2023 · Jest encountered an unexpected token Jest failed to parse a file. js and amplify folder then running amplify pull (with app id from aws console) 👍 2 espetro and salimdriai reacted with thumbs up emoji All reactions Jul 11, 2016 · 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. Add this line inside the transform object: '^. js will look like this: Aug 29, 2022 · Jest test fails SyntaxError, unexpected token Export. Nov 4, 2021 · The issue started when updating Jest from 26. This ended up helping me import @microsoft/mgt-react into a Next Js v12 project. This did not work, what did solve it in the end was adding the following to our jest. May 6, 2021 · 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 Jul 2, 2018 · Test Vue with Jest fail, Jest encountered an unexpected token, SyntaxError: Unexpected token import 2 Vue/Typescript/Jest - Jest Unit Test SyntaxError: Unexpected token import Mar 2, 2018 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. For your case you need to map the nested one under @aws Listen to the Syntax Podcast. Feb 11, 2019 · For those that travelled this far. 1, using Babel version 6. Feb 17, 2022 · Jest encountered an unexpected token Jest failed to parse a file. js and amplify folder then running amplify pull (with app id from aws console) Jun 15, 2022 · Next. nlsev bth coufj qclxl yot pslx fgqlvjr qpwa brykmw wqylh