Unexpected Token Import Babel

babelrc' file to the truffle project directory. A place to chat about Next. Welcome WebStorm 2017. 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. But if I run it via grunt. 14/09/2015 · I have aweird thing going on that only appears in Internet Explorer and Edge where I am getting HTML1506: Unexpected token in line 213,1. javascript - babel-loader jsx SyntaxError: Unexpected token - Stack Overflow. % npm install --save-dev babel babel-core babel-loader こういうの出る % webpack ERROR in. 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. $ npm install --global babel-cli # or $ npm install --save-dev babel-core. Easy to use and read. babel-node js. babelrc { "presets": ["es2015"] } 还是出现报错 [图片] Uncaught SyntaxError: Unexpected token import 工具. js to arrange it to the code Node. 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). babelrc, are already implemented in my project. 1 DA: 51 PA: 63 MOZ Rank: 19. 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。. In your code, node can not handle es module. js with babel-node , but since the project has no. Received 'Uncaught SyntaxError: Unexpected token import' when executing Karma and Jasmine Test by noobiehacker Last Updated March 04, 2017 00:26 AM 0 Votes 2 Views. Quite a few libraries ship nowadays with the module property set in package. 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. 13 brings parent-based context instead of owner-based context. There's no shortage of content at Laracasts. And by default, when using exports with babel a non-enumerable __esModule property is exported. 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). January 06, 2017, at 5:00 PM. Import Excel/CSV file to MySQL Database Using PHP VIDEO Subscribe this channel In this tutorial in going to show you how to create n application that can be used JEST: "Async callback was not invoked within the 5000ms timeout specified by jest. babelrc, are already implemented in my project. webpackconfigjs自定义alias import js提示Unexpected token export:(依赖都已经安装好了的)webpack. See browser compat table on MDN and this Node issue. "解決 Webpack 跑 bundle 發出 Unexpected token import 的 error" is published by Ryan Hsu in Its Ok to Make Mistakes. 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。. javascript - Unexpected token import on Electron app I have built an app using GitHub's Electron. The other option that we have is to transpile the code that uses the export/import syntax using Babel. All configuration of code works fine. I ran into a similar issue when migrating from babel 5 to babel 6. $ npm install --global babel-cli # or $ npm install --save-dev babel-core. Any recommendations on aliasing native Promise to something like BlueBird in Babel 6?. /calculator. 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. I am getting Uncaught SyntaxError: Unexpected token import Does it make any difference that I am in an umbrella project?. pars 这是因为浏览器不支持import,使用babel将es6转化为es5. 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. Uncaught SyntaxError: Unexpected token import при запуске приложения npm install babel-loader babel-core babel-preset-es2015 webpack --save-dev. js backings and run it by utilizing npm run-script run, and you can see it works. 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。. /util’ So, first as a caveat, I’m not very up to date about JavaScript stuff. js unexpected token import I'm converting a Meteor app to raw Node. I tried @babel/plugin-syntax-dynamic-import and babel-plugin-dynamic-import-node but didn't work. brendonco opened this issue Mar 24, Unexpected token import at ScriptTransformer. The files that you import/require from your quokka file will be compiled using. babelrc, are already implemented in my project. **SOLVED** the script defined in package. friends! I have trouble with webpack build. py的代码如下:nnnnn然后. 这是因为浏览器不支持import,使用babel将es6转化为es5. at the_path/test_entry. Hello, in WordPress cart I get a "SyntaxError: Unexpected token" in. 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. 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". When WEB-28856 is fixed, will I be able to go back to simply using "import from 'flowtiny1'" ? (i. /config' import Express from 'express' import bootstrap from '. 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. 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。. Why Google Chrome console throws "SyntaxError: Unexpected token }" when inputted (. Questions: The solutions offered in other related questions, such as including the proper presets (es2015) in. json but it's already in /node_modules - it is added with jest package Tags : ecmascript-6 jestjs babeljs Related Questions. /util’ So, first as a caveat, I’m not very up to date about JavaScript stuff. babel+vue+rollup 集成问题: Unexpected token `` a132811 · 315 天前 · 1352 次点击 这是一个创建于 315 天前的主题,其中的信息可能已经有所发展或是发生改变。. I tried @babel/plugin-syntax-dynamic-import and babel-plugin-dynamic-import-node but didn't work. The solutions offered in other related questions, such as including the proper presets (es2015) in. Combining these two plugins helped me run the test cases successfully. js babel-jest. First,yarn add babel-register babel-cli --dev or npm install babel-register babel-cli -dev Then create an entry file:. This usually means that you are trying to import a file which Jest '@babel/preset-env',. The other option that we have is to transpile the code that uses the export/import syntax using Babel. 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. In webpack I use babel 6^ + this presets: presets: ['es2015', 'stage-1', 'react'] After npm start I catch error:. Now we've split it up into two separate packages: babel-cli and babel-core. I will use this one. My current goal is to see what it takes to get going with Aurelia and ASP. 这是因为浏览器不支持import,使用babel将es6转化为es5. cymen commented on 18 Dec 2015 After rereading your initial post, the simple solution is to just have application. React and Flux: Migrating to ES6 with Babel and ESLint linting is this var issue returned as "unexpected legacy module. indexOf('d') !== -1 that works with the latest Babel. Hi Everyone! Currently I'm trying to integrate the testing framework for ReactJS which is called as Jest. import 'babel-polyfill' import '. Note that in this case the babel settings are only applied for the quokka file compilation. нужно использовать babel, он переводит код из es6 синтаксиса в es5. npm install -g babel-core npm install -g babel-cli npm install babel-core //install to babel locally, is it necessary? and run by. It hardly makes me laugh at all. import co from 'co'; ^^^^^ SyntaxError: Unexpected token import. js file code is as follows, module. In order to achieve this we need to install the appropriate Babel plugin: npm i --save-dev transform-es2015-modules-commonjs. 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。. unexpected token;. However the react app throws an “Error: Network Error”. OK, I Understand. import postgres fr. 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”. Or, you can transpile your code on-the-fly by passing -r babel-register to Node. Import Excel/CSV file to MySQL Database Using PHP VIDEO Subscribe this channel In this tutorial in going to show you how to create n application that can be used JEST: "Async callback was not invoked within the 5000ms timeout specified by jest. and can't seem to find the right nail for this issue. For those like me Mind untranspiled imports from node_modules. Overriding Babel Configuration File Location. 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. The solutions offered in other related questions, such as including the proper presets (es2015) in. 配置了babel 运行babel-node仍然报Unexpected token import. From James M Snell’s. babelrc file (or "babel": {} section in your package. hide() not working after upgrade to Bootstrap 4, jQuery 3. import { createStore } from 'redux'; function oi(a) { console. 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:. By default, Babel transpiles ES6 import statements to CommonJS. js file code is as follows, module. test_entry. When WEB-28856 is fixed, will I be able to go back to simply using "import from 'flowtiny1'" ? (i. ES6 (ES2015) introduces a standardized module format to Javascript. js app with 'react-redux-starter-kit' which include Webpack. To avoid this, Babel expects users of config functions to tell it how to manage caching within a config file. As per the spec, import and export are only allowed to be used at the top level. I want to run it via PM2. 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. Yeah yeah — so how do I do that? Well I am glad you asked. Hi, I’am trying to deploy my new backend after splitting it up into multiple services. I use webstorm 2017. January 06, 2017, at 5:00 PM. But if I run it via grunt. import express from 'express'; ^^^^^ SyntaxError: Unexpected token import. js to arrange it to the code Node. babel-node js. babel-node my. Update: In Node 9, it is enabled behind a flag, and uses the. 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. Uncaught SyntaxError: Unexpected token u in JSON at position 0 at JSON. js with our ES6 code file. @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. I tried to create a. unexpected token import in mocha when running from nodejs (no babel) [duplicate] Home JavaScript unexpected token import in mocha when running from nodejs (no. Reactjs: Unexpected token. Unfortunately, I've had nothing but trouble. import co from 'co'; 并试图通过NodeJS直接运行它. 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. 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. Import not transpile with babel-jest #3202. vueの1行目で「Unexpected token (1:0) >」というエラーが出ます。 解決策をしらべましたがよくわかりませんでした。. SUPREME シュプリーム ×TAMIYA 18AW 1/10th SCALE Hornet RC Car ラジコンカー 黒 フリー 並行輸入品. It contains es6 modules. Dealing with optional callbacks or event handlers. js Runtime" document. 0 my code: import recast from 'recastai' and the error. ES6 imports are a recently introduced feature and the current stable version of Node does not support them yet. json and the test suite is failing with 'Unexpected Token Import'. I created my own npm package. syntaxerror: unexpected token import typescript (4) I don't understand what is wrong. babelrc, we need to add the "react" preset. 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". Also, we had a problem with Travis build because Travis cached node_modules and old babylon with it:. Its working fine. Vue/Typescript/Jest - Jest Unit Test SyntaxError: Unexpected token import. In our webpack configuration, we specified that we are using a babel-loader. I search over google and try to find out reason but I am not satisfied. js npm run dev报错,Unexpected token importvue init 11-13 阅读数 5106. By default, if Jest sees a Babel config, it will use that to transform your files, ignoring "node_modules". I tried @babel/plugin-syntax-dynamic-import and babel-plugin-dynamic-import-node but didn't work. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. I put it in my application and am receiving an unexpected token error on. 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. ajax使用过程中遇到Unexpected token :错误原因 Unexpected token :n有可能是误写成n$. For all other ZEIT products, check this out. 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). js:94 undefined "parsererror" "SyntaxError: Unexpected token. I tried @babel/plugin-syntax-dynamic-import and babel-plugin-dynamic-import-node but didn't work. As per the spec, import and export are only allowed to be used at the top level. We'll take a look at the various forms of defining and importing modules. When WEB-28856 is fixed, will I be able to go back to simply using "import from 'flowtiny1'" ? (i. 使用 npm start命令运行正常,使用npm run build执行会报错如下:syntax error:. While this is quite helpful overall, it means that there can be confusing cases where code within a require() hook causes more calls to require , causing a dependency cycle. js ninja, JS master. This works in the flexible environment. I try to run a file with babel-node src/bin/server. 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 :). For anyone else who is writing ES6 code and using Webpack, and getting unexpected token on import line. Easy to use and read. json but it's already in /node_modules - it is added with jest package Tags : ecmascript-6 jestjs babeljs Related Questions. Uncaught SyntaxError: Unexpected token import. i have tried to create a small project with simple test cases and wallaby. Environments which do not have builtin support for Promise , like Internet Explorer, will require both the promise and iterator polyfills be added manually. In this article, we'll look at how to test a React application. Followed by installing babel-plugin-transform-class-properties. Based on this, on latest configurations you must use/replace your Plugins/Preset of es2015 and any esX to the new one: env. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. Import not transpile with babel-jest #3202. ", despite it being already configured. "use strict" and this in CommonJS. js "use strict"; import http from "http"; import cluster from "cl. js as individual. Next, let's configure Jest to gracefully handle asset files such as stylesheets and images. While this is quite helpful overall, it means that there can be confusing cases where code within a require() hook causes more calls to require , causing a dependency cycle. 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). js and Jest, brought more flexibility to code styles, improved React and Angular support, and so much more!. 报错如下: import browserSync from "browser-sync" ^^^^^ SyntaxError: Unexpected token import. 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. js to arrange it to the code Node. 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. node --experimental-modules my-app. js to arrange it to the code Node. On the other hand we can simply import a few variables we need and. Intellij Unexpected Token Import 誤った理解でしたのでタイトルと内容を修正いたしました。 babel-eslintをパーサーに指定することにより、解決できる。. For anyone else who is writing ES6 code and using Webpack, and getting unexpected token on import line. at the_path/test_entry. I'm trying to learn React with node. That's what's happening: Your webpack is set to run babel loader only in the src folder (include directive). json was using "webpack-dev-server" instead of "webpack" and this was breaking stuff. OK, I Understand. 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. 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. 配置了babel 运行babel-node仍然报Unexpected token import. unexpected token;. The second suggestion to do "import from 'flowtiny1/index. x版本开始把转换功能默认关闭。. js backings and run it by utilizing npm run-script run, and you can see it works. Working with Webpack and @babel/preset-env Currently, @babel/preset-env is unaware that using import() with Webpack relies on Promise internally. A place to chat about Next. The solutions offered in other related questions, such as including the proper presets (es2015) in. import { createStore } from 'redux'; function oi(a) { console. Transpile using Babel. 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. flow in the import?). babel-plugin-transform-require-ignore will remove require statements for styles from transpiled. and can't seem to find the right nail for this issue. 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 issue tracker has an open issue for this - but until V8 and Node add support for this feature, you will need to use a transpiler (most popular one being babel) to be able to use imports. The second suggestion to do "import from 'flowtiny1/index. js existence in the project folder. Exported modules are in strict mode whether you declare them as such or not. React and Flux: Migrating to ES6 with Babel and ESLint linting is this var issue returned as "unexpected legacy module. ES6 import from "Unexpected token import" Follow. The files that you import/require from your quokka file will be compiled using. We require use Babel. import co from 'co'; 并试图通过NodeJS直接运行它. json but I am unable to run import alasql from "alasql". 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. js npm run dev报错,Unexpected token importvue init 11-13 阅读数 5106. To avoid this, Babel expects users of config functions to tell it how to manage caching within a config file. I'm starting a React Native project, and I'd like to use ECMAScript 2015 for my code, and mocha for my unit tests. We require use Babel. 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。. We use cookies for various purposes including analytics. 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. No more Unexpected token import, wrong line breakpoint, unreadable transpiled. exports object. javascript - babel-loader jsx SyntaxError: Unexpected token - Stack Overflow. 13 brings parent-based context instead of owner-based context. Jest encountered an unexpected token. The code I provided will instead spawn child processes with babel-node compiling them in turn. 2 Reproduction link https://github. という訳で, stackoverflowに投げてみました. 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. js works for me, but when I run node dist/main. My current goal is to see what it takes to get going with Aurelia and ASP. Its working fine. Currently webpack seems to fail parsing JavaScript code that contains ES6 syntax like generators. Received 'Uncaught SyntaxError: Unexpected token import' when executing Karma and Jasmine Test by noobiehacker Last Updated March 04, 2017 00:26 AM 0 Votes 2 Views. 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. As of node 4, we're now able to use ES2015 without the need for Babel. js npm run dev报错,Unexpected token importvue init 11-13 阅读数 5105 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。. 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. I badly need a help. import foo = require() and export = foo) These omissions are largely based technical constraints in Babel’s single-file emit architecture. I have been searching about this issue for quite sometime and couldn't find any solution. babel-loader is the Webpack loader responsible for taking in the ES6 code and making it understandable by the browser of choice. SyntaxError: Unexpected token u in JSON at position 0 when not using JSON. flow'" fixes the IntelliJ warning and also works in babel-node. py的代码如下:nnnnn然后. 小白求帮助VUE启动后报Uncaught SyntaxError: Unexpected token import错误 发布于 2年前 作者 635253989 948 次浏览 来自 问答 粉丝福利 : 关注VUE中文社区公众号,回复视频领取粉丝福利. Babel-register. But if I run it via grunt. - TheFox Feb 16 '18 at 10:47 @TheFox you probably have an import in that file. 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. Import Excel/CSV file to MySQL Database Using PHP VIDEO Subscribe this channel In this tutorial in going to show you how to create n application that can be used JEST: "Async callback was not invoked within the 5000ms timeout specified by jest. Imported modules are in strict mode whether you declare them as such or not. Yeah yeah — so how do I do that? Well I am glad you asked. “How to debug ES6 NodeJS with VSCode” is published by katopz. The code below is a potential workaround. Unexpected token import with gulp I have started to play with the release version of Aurelia. I use webstorm 2017. babelrc file at the root of your project if you don't already have one. | import React, { Component } from 'react'; | import ReactDOM from 'react-dom'; 解…. "解決 Webpack 跑 bundle 發出 Unexpected token import 的 error" is published by Ryan Hsu in Its Ok to Make Mistakes. So after a couple of hours, I found out that the problem was my 2 configuration files (. jsx Module parse failed: /app. The other option that we have is to transpile the code that uses the export/import syntax using Babel. babelrc file, but it do the same thing. js and Jest, brought more flexibility to code styles, improved React and Angular support, and so much more!. I will share my setup for babel 6: Ensure you have the following babel 6 devDependencies installed. js ninja, JS master. ES6 imports are a recently introduced feature and the current stable version of Node does not support them yet. The above problem can be solved by installing babel-plugin-syntax-class-properties. dtothefp November 9, 2015 at 2:12 pm. | import React, { Component } from 'react'; | import ReactDOM from 'react-dom'; 解…. It contains es6 modules. And my script works when i delete the spread operator. Jest import unexpected token. flow in the import?). javascript - babel-loader jsx SyntaxError: Unexpected token - Stack Overflow. babel-plugin-dynamic-import-webpack. babelrc file (or "babel": {} section in your package. 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. We use cookies for various purposes including analytics. babelrc { "presets": ["es2015"] } 还是出现报错 [图片] Uncaught SyntaxError: Unexpected token import 工具. js ninja, JS master. 你的babel-loader应该是8版本的,重新安装babel7,然后npm install babel-cli babel-core可以解决babel-node的问题,前面带@符的都是依赖babel8,我现在也遇到这个问题,降级babel7就行了,但是babel8不知道怎么解决,有没有大佬知道的,求告知,谢谢. ES6 import from "Unexpected token import" Follow. js still got same error, unexpected token import? How could I get rid of it?. GitHub is home to over 36 million developers working together to host and review code, manage projects, and build software together. The second suggestion to do "import from 'flowtiny1/index. babelrc, are already implemented in my project. npm install -g babel-core npm install -g babel-cli npm install babel-core //install to babel locally, is it necessary? and run by. Unexpected token import with gulp I have started to play with the release version of Aurelia. Also, adding a '. So you don't need to specify the syntax plugin if the corresponding transform plugin is used already. Those configuration files were merging and the result wasn't the expected. Версия ноды 8. Jest encountered an unexpected token. Transpile using Babel. Basically Babel converts ES6 code into ES5 and then commonjs() converts that ES5 back to ES6 so that the library can be import'ed in ES6 code. I have this code from the website, informing me how to setup the WebAuth function of Auth0. js jest vuetify. However modules are not currently supported so you'll need to use `require()` still. babelrc file (or "babel": {} section in your package. javascript - webpack + babel - react, unexpected token 'import' - Stack Overflow. I built my OWA from OpenMRS OWA generator. Questions: The solutions offered in other related questions, such as including the proper presets (es2015) in. js jest vuetify. here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn. 1, the first big update this year!. Also, we had a problem with Travis build because Travis cached node_modules and old babylon with it:. js application. As we're using babel-preset-env to determine the Babel plugins and polyfills you need, this option lets you adjust your supported environments. > yarn add babel-loader babel-core babel-preset-es2015 babel-preset-react --dev. 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. js still got same error, unexpected token import? How could I get rid of it?. js and restart the npm run dev -task. Why Google Chrome console throws "SyntaxError: Unexpected token }" when inputted (. While this is quite helpful overall, it means that there can be confusing cases where code within a require() hook causes more calls to require , causing a dependency cycle. 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. js 为什么仍然有相同的错误?. Easy to use and read. 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. 3) It also appears that you cannot import ESM from a CJS file and vs. As BrunoLM said, make sure you have the module installed ;) - Yormi Dec 18 '15 at 1:25. Configuration Languages webpack accepts configuration files written in multiple programming and data languages. 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.