I just import its in different pages. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. I've installed babel-register, babel-preset-es2015, and babel-preset-stage-2, and added this to my project's package. (Info / Contact). 问题:The solutions offered in other related questions, such as including the proper presets (es2015) in. How To Enable ES6 Imports in Node. Hi, I’am trying to deploy my new backend after splitting it up into multiple services. I had the same problem. js并没有实际的导入并生效啊,否则左边导航栏就都显示了。. basé sur ceci, sur les dernières configurations vous devez utiliser / remplacer vos Plugins/Preset de es2015 et esX nouveau: env. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. SyntaxError: Unexpected token {// This was happening on line 1 of the first test file… So it seems the ES6 import was not understood and the my code was not being transpiled by babel. babel-config is Bourne shell script that the configure creates in the bin directory. babelrc, are already implemented in my project. We use cookies for various purposes including analytics. javascript – How to fix babel react “Uncaught SyntaxError: Unexpected token <” – Stack Overflow 结果编译时间非常慢,倒的确是错误没有了: 但是很明显,此处的adminlte_app. 03/06/2019 · Webpack/Babel ES6 error: Uncaught SyntaxError: Unexpected token import 2 Typescript Modules: Uncaught SyntaxError: Unexpected token import when importing module DA: 67 PA: 35 MOZ Rank: 52. Was muss ich tun? node -v v5. I ran into a similar issue when migrating from babel 5 to babel 6. 如果使用babel的,入口文件也同样是不能使用import的,具体的配置方法可以自行百度。你的babel应该是. Em outras palavras, voce precisara editar suas configurações do eslint para que o mesmo trabalhe com o parser "babel-eslint" para que o eslint faça as verificações após o codigo ter sido transpilado pelo babel (o que ira converter a sintaxe da "static property" em uma função cuja sintaxe o eslint sera capaz de interpretar corretamente). Babel 6's transformations for ES6 modules ran indiscriminantly on whatever files it was told to process, never taking into account if the file actually had ES6 imports/exports in them. Assignees No one assigned 4 participants jfernandogt commented May 16, 2016. The babel package is no more. js doesn't have 41 lines and doesn't contain import statements and anyway they should have been taken care of. Adjust your import as so:. Babel lets us write code that uses new ES6 features, and then transpile s that code into standard ES5 code that can run in older JavaScript environments. 你这明显是 babel没有起作用,还在es6的语法在浏览器当中运行。. Unexpected token import. He conceived AirPair to help developers build ideas faster and stay un-stuck. I might be doing something wrong as I don't fully understand what the configuration is doing. If you have JavaScript files that are transformed by Babel, you can enable support for Babel by installing the babel-jest plugin. нужно использовать babel, он переводит код из es6 синтаксиса в es5. Ho 2 Vue-Cli webpack progetti (ClientApp e Lib). So, i can't quite understand the difference between owner and parent components. FYI: ES2015 = ES6 ;) Babel transpiles ES6 to ES5 (standardized in 2009). If you were using the regular style-loader this would be sufficient to ensure the styles were injected into the head of the html document. Now we’ve split it up into two separate packages: babel-cli and babel-core. ` import Navvy from '~components/Navvy' import Skills from '~components/Skills' import Slides from '~components/Slides' import About from '~components/About' import Quotes from '~components/Quotes' export default. It'd be handy to see the rest of the code to understand the context, but things to look at are correct type in any containing script tag (like text/babel or text/jsx), correct component import syntax, using pragma in older versions of React. He's decided to put AirPair to the test, by rebuilding airpair. 在路上'SyntaxError: Unexpected token import' 最新消息:20190717 VPS服务器:Vultr新加坡,WordPress主题:大前端D8,统一介绍入口:关于. Setting up Babel. This problem has popped up in all of them recently, but I haven't yet been able to track it down. Q&A for Work. js 为什么仍然有相同的错误?. babelrc, are already implemented in my project. js I also get Unexpected token import. SyntaxError: Unexpected token {// This was happening on line 1 of the first test file… So it seems the ES6 import was not understood and the my code was not being transpiled by babel. ensure, for Webpack. And I've added 'lodash-es' in the project as a dependancy to use es6 syntax. Also, adding a '. Skibbbi Or, you can transpile your code on-the-fly by passing -r babel-register to Node. Non-Babel JavaScript transformations can be handled with Jest's transform config option. Karma test error: Uncaught SyntaxError: Unexpected token import I am developing an Angular2 application and I am currently in a test phase with Karma and Jasmine. Now we've split it up into two separate packages: babel-cli and babel-core. import co from 'co'; ^^^^^ SyntaxError: Unexpected token import Then i tried to use babel. 这是因为浏览器不支持import,使用babel将es6转化为es5 "vue. js I also get Unexpected token import. I test Vue project with jest, bug I got errors says: Jest encountered an unexpected token and SyntaxError: Unexpected token import here is my jest. I tried @babel/plugin-syntax-dynamic-import and babel-plugin-dynamic-import-node but didn't work. Checkout the node docs for more info on what's supported. There's no shortage of content at Laracasts. unexpected token import in mocha when running from nodejs (no babel) [duplicate] Home JavaScript unexpected token import in mocha when running from nodejs (no. Lots of thanks in Advance. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. mjs extension. We require use Babel. babel-preset-env replaces es2015, es2016, es2017, latest. json was using "webpack-dev-server" instead of "webpack" and this was breaking stuff. Dealing with optional callbacks or event handlers. Installation npm i babel-resolver --save rm -rf ~/. babelrc file, but it do the same thing. Questions: This question already has an answer here: Node error: SyntaxError: Unexpected token import 2 answers Answers: While import is indeed part of ES6, it is unfortunately not yet supported in NodeJS, and has only very recently landed support in browsers. @danielo515 do you have any idea how I can solve this? Could you tell me another compressor that is widely used by the community? Thanks. jsx Line 1: Unexpected token You may need an appropriate loader to handle this file type. import { createStore } from 'redux'; function oi(a) { console. You would probably get a syntax error: Unexpected token import and this is because we are using ES2015 syntax inside the configuration file and we do not let Babel process the file first. Import not transpile with babel-jest #3202. 5/27/2019 · SyntaxError: Unexpected token export while exporting token from the (flask)server side to react client 0 jQuery. Assignees No one assigned 4 participants jfernandogt commented May 16, 2016. js still got same error, unexpected token import? How could I get rid of it?. Unexpected token import. A place to chat about Next. > ERROR in. The static import statement is used to import bindings which are exported by another module. Install npm install--save-dev json-loader ⚠️ Since webpack >= v2. I will share my setup for babel 6: Ensure you have the following babel 6 devDependencies installed. it's not plain JavaScript. Karma test error: Uncaught SyntaxError: Unexpected token import I am developing an Angular2 application and I am currently in a test phase with Karma and Jasmine. Each yearly preset only compiles what was ratified in that year. json Why not just set NODE_PATH? While setting NODE_PATH=app is a perfectly valid solution, babel-resolver is more explicit and lets you avoid mucking around with environment variables. Using Webpack to bundle up our modules and Babel to transpile our ES6 into ES5, we'll put this new module syntax to work within our project. Example: `import sessionApi from 'my_package/src/api/session'` I fix. log("oi") let a=4 oi(a) Estou tentando aprender a usar redux, porém ao usar o import, o browser me retorana o erro : Uncaught SyntaxError: Unexpected token import. Vue中单独的文件报错Unexpected token import 06-21 阅读数 3524 这是因为浏览器不支持import,使用babel将es6转化为es5 博文 来自: weixin_38098192的博客. You would probably get a syntax error: Unexpected token import and this is because we are using ES2015 syntax inside the configuration file and we do not let Babel process the file first. 0, importing of JSON files will work by default. js with our ES6 code file. On the other hand we can simply import a few variables we need and. js代码提示错误依赖全部安装好了的。. next feature. Hi Everyone! Currently I'm trying to integrate the testing framework for ReactJS which is called as Jest. Without any configuration options, @babel/preset-env behaves exactly the same as @babel/preset-es2015, @babel/preset-es2016 and @babel/preset-es2017 together (or the deprecated babel-preset-latest). The other option that we have is to transpile the code that uses the export/import syntax using Babel. Skibbbi Or, you can transpile your code on-the-fly by passing -r babel-register to Node. What's going wrong?. So you need to install a babel preset or two: npm install --save-dev babel-preset-react babel-preset-es2015 Create the. js # configure login templates server/ fixtures. SyntaxError: Unexpected token import" See… So Babel doesn't actually do anything you need to compile or rather transpile the code into an ES5 format that the target environment understands. "use strict" and this in CommonJS. % npm install --save-dev babel babel-core babel-loader こういうの出る % webpack ERROR in. js application. babelrc' file to the truffle project directory. Babel unexpected token import when running mocha tests. babelrc file (or "babel": {} section in your package. That's what's happening: Your webpack is set to run babel loader only in the src folder (include directive). Babel unexpected token import when running mocha tests. Seem's like you've not installed the babel-preset-es2015, since the import feature is not implemented in the default babel-preset (it's not a confirmed standard yet) Install / add this package and try again :). babelrc and webpack. json and the test suite is failing with 'Unexpected Token Import'. you can go to babel setup page and select your test framework then it helps you to integrate test framework with babel step by step. The static import statement is used to import bindings which are exported by another module. What is the current behavior? Executing webpack with a ES6+ config file (webpack. Installation npm i babel-resolver --save rm -rf ~/. Eslint Unexpected Token. Unexpected token } JavaScript SharePoint2013. /src/js/app/app. import { createStore } from 'redux'; function oi(a) { console. x之后的版本才支持ECMAScript Modules 和 imort 语法 目前,node稳定版本是v8. js existence in the project folder. The other option that we have is to transpile the code that uses the export/import syntax using Babel. See browser compat table on MDN and this Node issue. Handling Static Assets. It contains es6 modules. Join GitHub today. import co from 'co'; ^^^^^ SyntaxError: Unexpected token import Then i tried to use babel. Vue中单独的文件报错Unexpected token import 06-21 阅读数 3571 这是因为浏览器不支持import,使用babel将es6转化为es5 博文 来自: weixin_38098192的博客. google-docs-mustaches????Interpolate Google Docs files using mustaches and formatters. parcelを使ってVueをバンドルしようとしているのですが、 App. @babel/plugin-transform-es2015-classes became @babel/plugin-transform-classes. Setup a private space for you and your coworkers to ask questions and share information. Babelは、JavaScriptの次世代仕様であるECMAScriptのコンパイラ。次世代の標準機能を用いて記述されたコードを、それらの機能に対応していないブラウザでも動作するコードに変換することができます。. And Babel must be configured to use a bunch of presets: babel preset env for compiling Javascript ES6 code down to ES5 (please note that babel-preset-es2015 is now deprecated). It'd be handy to see the rest of the code to understand the context, but things to look at are correct type in any containing script tag (like text/babel or text/jsx), correct component import syntax, using pragma in older versions of React. Install npm install--save-dev json-loader ⚠️ Since webpack >= v2. I built my OWA from OpenMRS OWA generator. Advantages of using decorator syntax: Minimizes boilerplate, declarative. SegmentFault 思否 为开发者提供问答、学习与交流编程知识的平台,创造属于开发者的时代!. 配置了babel 运行babel-node仍然报Unexpected token import. 'Unexpected token // disallows import/exports beyond. So we do not want node on the server to process those files at all. js I also get Unexpected token import. I get a "unexpected token 'import' " when I try tp import React in jsx I've used npm to install react and in the main jsx file I have used the import from method to use react, but when i look in my chrome browser I get unexpected token import. Currently webpack seems to fail parsing JavaScript code that contains ES6 syntax like generators. Jonathon Kresner Jonathon Kresner is AirPair's CEO and Founder. up: someone suggested that I need to add babel-jest to my package. js I also get Unexpected token import. I threw in a const declaration before the import in the test file to see if it was failing to accept ES2015, but since it passes that I don't think there is a problem with babel. js with our ES6 code file. All it needed was to add a package. First, we'll install isparta, which is designed to be used with Istanbul with Babel and Karma/Karma Coverage: $ npm install --save-dev isparta isparta works as a custom instrumentor, which must. js to arrange it to the code Node. Please keep in mind that up until a week ago, this configuration was working successfully in several projects, so I am assuming it's a regression and figured I should report it. Questions: This question already has an answer here: Node error: SyntaxError: Unexpected token import 2 answers Answers: While import is indeed part of ES6, it is unfortunately not yet supported in NodeJS, and has only very recently landed support in browsers. Unexpected token import running node server. In the code beneath, we utilize import * as calc, which implies it will import all variables this module sends out, as properties of calc. import co from 'co'; ^^^^^ SyntaxError: Unexpected token import Then i tried to use babel. % npm install --save-dev babel babel-core babel-loader こういうの出る % webpack ERROR in. The static import statement is used to import bindings which are exported by another module. But if I run it via grunt. 1 Configure. Note that Webpack 2 has gotten import() after this code was written. Babel unexpected token import when running mocha tests Sorry if this is a duplicate. Lots of thanks in Advance. js existence in the project folder. This has been fixed for upcoming 2. Currently I'm just using npm scripts (babel src -d dist --watch) to get the desired behavior, but it'd be nice if it were baked into File Watchers. Reactjs: Unexpected token. Uncaught SyntaxError: Unexpected token import. I have been searching about this issue for quite sometime and couldn't find any solution. Hello, I have the error: Parsing error: Unexpected character '@'. 5/27/2019 · SyntaxError: Unexpected token export while exporting token from the (flask)server side to react client 0 jQuery. Seem's like you've not installed the babel-preset-es2015, since the import feature is not implemented in the default babel-preset (it's not a confirmed standard yet) Install / add this package and try again :). js and Jest, brought more flexibility to code styles, improved React and Angular support, and so much more!. log("oi") let a=4 oi(a) Estou tentando aprender a usar redux, porém ao usar o import, o browser me retorana o erro : Uncaught SyntaxError: Unexpected token import. Problems with module parsing using babel-loader · Issue #162 · babel/babel-loader. I just import its in different pages. % npm install --save-dev babel babel-core babel-loader こういうの出る % webpack ERROR in. you can go to babel setup page and select your test framework then it helps you to integrate test framework with babel step by step. [/r/rcbredditbot] Unexpected token import with Jest (babel-eslint not available from tested file, symlink env) (from /r/reactjs) If you follow any of the above links, please respect the rules of reddit and don't vote in the other threads. js to arrange it to the code Node. We require use Babel. I am using the same testing setup in several projects right now, all from my boilerplate. and can't seem to find the right nail for this issue. Import not transpile with babel-jest #3202. create-react-app does not support decorators (@). js并没有实际的导入并生效啊,否则左边导航栏就都显示了。. 报错如下: import browserSync from "browser-sync" ^^^^^ SyntaxError: Unexpected token import. > yarn add babel-loader babel-core babel-preset-es2015 babel-preset-react --dev. js with our ES6 code file. babelrc, are already implemented in my project. 17 Comments → The Six Things You Need To Know About Babel 6. However the react app throws an “Error: Network Error”. We use cookies for various purposes including analytics. js work fine. The static import statement is used to import bindings which are exported by another module. Unexpected token import with Jest (babel-eslint not available from tested file, symlink env) 2 Jest vs React: module exports and “Jest encountered an unexpected token”. I developed a component which shows the tabular representation of any…. babelrc' file to the truffle project directory. @danielo515 do you have any idea how I can solve this? Could you tell me another compressor that is widely used by the community? Thanks. Installing babel-plugin-dynamic-import-node solved our problem. As we're using babel-preset-env to determine the Babel plugins and polyfills you need, this option lets you adjust your supported environments. I have installed alasql using package. ES6 imports are a recently introduced feature and the current stable version of Node does not support them yet. Home › forums › Using CanvasJS › Uncaught SyntaxError: Unexpected token import This topic contains 2 replies, has 3 voices, and was last updated by Indranil Deo 1 year, 4 months ago. js Runtime" document. I had the same problem. SyntaxError: Unexpected token export. All configuration of code works fine. https://wzup. js npm run dev报错,Unexpected token importvue init 11-13 阅读数 5106 你这明显是babel没有起作用,还在es6的语法在浏览器当中运行。. Home > javascript - Webpack module build failed unexpected token (rails react build) javascript - Webpack module build failed unexpected token (rails react build) I working on a react/rails build and working through using webpack and babel for the first time. What's going wrong?. Line 1 of all. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. Installation. If none then we need to install it. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. import co from 'co'; ^^^^^ SyntaxError: Unexpected token import Then i tried to use babel. I am not sure what the cause is but it should be my big code not wallaby. Hello, I have the error: Parsing error: Unexpected character '@'. babel-loader is the Webpack loader responsible for taking in the ES6 code and making it understandable by the browser of choice. js jest vuetify. Questions: This question already has an answer here: Node error: SyntaxError: Unexpected token import 2 answers Answers: While import is indeed part of ES6, it is unfortunately not yet supported in NodeJS, and has only very recently landed support in browsers. checked Babel checkbox. Uncaught SyntaxError: Unexpected token u in JSON at position 0 at JSON. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. The solutions offered in other related questions, such as including the proper presets (es2015) in. I have two projects (lets call them A and B) which. Any recommendations on aliasing native Promise to something like BlueBird in Babel 6?. Currently webpack seems to fail parsing JavaScript code that contains ES6 syntax like generators. I just import its in different pages. 10 is supported in Lambda. js to arrange it to the code Node. hi guys, i'm currently learning to use vuejs installed with webpack. js Runtime" document. In this post, we'll go through the steps of setting up two basic React components that use ES6 features, use Babel to transpile them to ES5 and bundle them using Webpack. So after a couple of hours, I found out that the problem was my 2 configuration files (. Unexpected token } JavaScript SharePoint2013. Contributing. exports format and need to switch to the new import/export. > ERROR in. Previously, it was the entire compiler and all the transforms plus a bunch of CLI tools, but this lead to unnecessarily large downloads and was a bit confusing. JS npm install @babel/core @babel/register @babel/preset-env --save-dev 2. “How to debug ES6 NodeJS with VSCode” is published by katopz. Uncaught SyntaxError: Unexpected token import. In webpack I use babel 6^ + this presets: presets: ['es2015', 'stage-1', 'react'] After npm start I catch error:. Of course, you would. ES6 (ES2015) introduces a standardized module format to Javascript. json pointing at the untranspiled (es6, typescript) version of the library. That may be because of babel. We use cookies for various purposes including analytics. Note that in this case the babel settings are only applied for the quokka file compilation. The solutions offered in other related questions, such as including the proper presets (es2015) in. Next, let's configure Jest to gracefully handle asset files such as stylesheets and images. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. I will use this one. Any ideas on how to use ES6 on WebStorm 10? Here's what I have done so far: Installed Babel. x对ES6的支持,Bebel 6. SyntaxError: Unexpected token import 语法错误:此处不应该出现 import. My suspicions are that it … My suspicions are that it …. preact SyntaxError: Unexpected token import. Unfortunately, I've had nothing but trouble. Unexpected token '<' in my JS codeWhere is it> I'm learning ReactJS on Codecademy and decided to take what I've learned there and make my own program. SyntaxError: Unexpected token u in JSON at position 0 when not using JSON. When in loose mode these are allowed to be used anywhere. at the_path/test_entry. - Amir Eldor Dec 17 '15 at 13:21 1 Just using babel with stage-0 and es2015 preset works for me as long as you import babel-polyfill in your entry point. exports format and need to switch to the new import/export. js and answer questions. Uncaught SyntaxError: Unexpected token import. Unexpected token import with gulp I have started to play with the release version of Aurelia. Jonathon Kresner Jonathon Kresner is AirPair's CEO and Founder. Questions: The solutions offered in other related questions, such as including the proper presets (es2015) in. Based on this, on latest configurations you must use/replace your Plugins/Preset of es2015 and any esX to the new one: env. I was just running babel to compile the src to lib folder babel src --out-dir lib. Learn how to test React applications with the Jest JavaScript testing framework. javascript - How to fix babel react "Uncaught SyntaxError: Unexpected token <" - Stack Overflow 结果编译时间非常慢,倒的确是错误没有了: 但是很明显,此处的adminlte_app. no more need to specify /index. babelrc' file to the truffle project directory. custom accepts a callback that will be called with the loader's instance of babel so that tooling can ensure that it using exactly the same @babel/core instance as the loader itself. @babel/plugin-transform-es2015-classes became @babel/plugin-transform-classes. it's not plain JavaScript. js Unexpected token import. I want to run it via PM2. @babel/register uses Node's require() hook system to compile files on the fly when they are loaded. Exported modules are in strict mode whether you declare them as such or not. cymen commented on 18 Dec 2015 After rereading your initial post, the simple solution is to just have application. npm install --save-dev babel-preset-react Next in your. I will share my setup for babel 6: Ensure you have the following babel 6 devDependencies installed. SyntaxError: Unexpected token u in JSON at position 0 when not using JSON. What do I have to do? node -v v5. I am running 2 basic tests, one working fine, other giving this error:. json but it's already in /node_modules - it is added with jest package Tags : ecmascript-6 jestjs babeljs Related Questions. If you'd like module support and to utilise Babel, read on. 安装了: npm install babel-preset-react. There are 4 types of exports: 1— Named exports (several per module) 2— Default exports (one per module) 3 — Mixed named & default exports 4— Cyclical Dependencies. You can rename an export when importing it. Reactjs: Unexpected token. node Unexpected token import(node 目前默认不支持es6 的模块 import解决方法有2) 安装babel-register. That may be because of babel. I get a "unexpected token 'import' " when I try tp import React in jsx I've used npm to install react and in the main jsx file I have used the import from method to use react, but when i look in my chrome browser I get unexpected token import. 5/27/2019 · SyntaxError: Unexpected token export while exporting token from the (flask)server side to react client 0 jQuery. Hi Everyone! Currently I'm trying to integrate the testing framework for ReactJS which is called as Jest. I put it in my application and am receiving an unexpected token error on. No more Unexpected token import, wrong line breakpoint, unreadable transpiled. Uncaught SyntaxError: Unexpected token import. js issue tracker a un sujet ouvert pour cela -, mais jusqu'à V8 et Noeud ajouter la prise en charge de cette fonctionnalité, vous devez utiliser un transpiler (la plus populaire étant babel) pour être en mesure d'utiliser des importations. /src/js/app/app. Babel isn't putting it into a format that jest is able to properly test. bien que import fasse effectivement partie de ES6, il n'est malheureusement pas encore pris en charge dans NodeJS par défaut, et n'a que très récemment atterri prise en charge dans les navigateurs. Using ES6 and ES7 in the Browser, with Babel 6 and Webpack posted in ES6 , Javascript , Meta , React on November 10, 2015 by James K Nelson This guide is part of The Complete Guide to ES6 with Babel 6 series. js并没有实际的导入并生效啊,否则左边导航栏就都显示了。. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. My current goal is to see what it takes to get going with Aurelia and ASP. /calculator. it's not plain JavaScript. Learn how to test React applications with the Jest JavaScript testing framework. 一个ReactJS的项目,之前正常运行的。 后来去重新npm install后再去npm run build结果出错:. Installing babel-plugin-dynamic-import-node solved our problem. I'm starting a React Native project, and I'd like to use ECMAScript 2015 for my code, and mocha for my unit tests. 03/06/2019 · Webpack/Babel ES6 error: Uncaught SyntaxError: Unexpected token import 2 Typescript Modules: Uncaught SyntaxError: Unexpected token import when importing module DA: 5 PA: 57 MOZ Rank: 35. create-react-app does not support decorators (@). $ npm install --global babel-cli # or $ npm install --save-dev babel-core. 1 DA: 51 PA: 63 MOZ Rank: 19. 17 Comments → The Six Things You Need To Know About Babel 6. syntaxerror: unexpected token import typescript (4) Ich verstehe nicht, was falsch ist. Also, adding a '. js) whilst using Babel 7 leads to a SyntaxError being reported e. [/r/rcbredditbot] Unexpected token import with Jest (babel-eslint not available from tested file, symlink env) (from /r/reactjs) If you follow any of the above links, please respect the rules of reddit and don't vote in the other threads. If none then we need to install it. Jest encountered an unexpected token This usually means that you are trying to import a file which Jest cannot parse, e. Those configuration files were merging and the result wasn't the expected. Babel plugin to transpile import() to require. OK, I Understand. The babel package is no more. json pointing at the untranspiled (es6, typescript) version of the library. up: someone suggested that I need to add babel-jest to my package. I was just running babel to compile the src to lib folder babel src --out-dir lib.