Webpack Babel

Launch the command pallete and look for Webpack Create. For babel-loader, there's one really cool option. Note: webpack is actually capable of transforming, bundling, packaging just about anything (as we'll see shortly). Babel loader is needed to be added as a loader in W ebpack. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. Open a command prompt, and navigate (cd) to the es6-tutorial-data directory. Add the file. webpack is a module bundler. Whenever Webpack sees import() function, it is going to create an async chunk file. Today, we will build and run a React Application with Webpack that also includes React, Babel, Webpack devtool and devServer configuration, then we can run the app with live-server for public folder: React Application with Webpack Prepare folders and files. Call Babel from webpack. May 20, 2018 in React, JavaScript, Webpack. Using with webpack 2. This is a regex that tells webpack what patterns to ignore. Setting up Babel. babelrc file in the root of the project. yarn add @babel/core babel-loader @babel/preset-typescript. They’re an easy way to reduce your bundle size by a significant amount and with minimal effort. babel-loader: This is a webpack helper which allows to transpile Javascript files with babel and webpack. A Babel preset that compiles ES2015+ down to ES5 by automatically determining the Babel plugins and polyfills you need based on your targeted browser or runtime environments. …This is going to run this with the watch,…and it's going to. Normally you don't need to touch these files unless you want to customize Webpack loaders, in which case you should probably look at build/webpack. It lets you write modular code and bundle it together into small packages to optimize load time. Webpack is a tool that bundles modules (files) for your application. Installation yarn add babel-loader @babel/core @babel/preset-env Works great with Webpack React Webpack Vue. The babel loader will look for any file with a “. It helps Babel transform JSX code into plain JavaScript code. TypeScript can compile to JavaScript directly but Babel offers a few more options and polyfills so you can use the latest (and even prerelease) JavaScript features today and compile to be backwards compatible with virtually any browser. Babel loader Thanks to Babel loader we can enjoy new JavaScript syntax and write our code using EcmaScript 2015 and even JSX (React). Creating Comment Form Using React, Redux, Webpack, Babel. Webpack is used for compiling bundle for your web-application, which can be free-form and have some entry point. The lodash-webpack-plugin is particularly useful. This is also consistent with the way babel documents using a polyfill with Webpack and does not require the extra loaders. Group multiple javascripts as single entry point. In fact, these tools are not required to use React and but in order to get the most out of the features of ES6 , JSX and bundling, we need them. Add-ons are made available to help setup certain frameworks that may require a lot of extra configuration or dependencies, such as TypeScript or Vue. This is also consistent with the way babel documents using a polyfill with Webpack and does not require the extra loaders. It relies on ES2015 modules in order to achieve that. The easiest way of using Babel with Webpack is via babel-loader. The lodash-webpack-plugin removes code in lodash that is not generally needed. Our requirements are simple now, but if we choose to adopt a frontend framework for a project in the future we won’t have to rewrite the entire build to accomplish that. A compiler such as Babel. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset. babelrc, too. We need to install babel along with a couple of presets which would allow us to transpile typescript. Installation yarn add babel-loader @babel/core @babel/preset-env Works great with Webpack React Webpack Vue. Now install following development dependencies. This boilerplate is targeted towards large, serious projects and assumes you are somewhat familiar with Webpack and vue-loader. Trying to use Creeatejs with webpack and babel (self. With webpack, web development is faster, more efficient, and fun. babel-core, babel-preset-env, babel-loader - dependencies for babel. It uses browserslist to parse this information, so we can use any valid query format supported by browserslist. It is fully compatible with Async/Await as it uses the Babel polyfill. You might be more used to handling your static assets with something like Gulp, and there are some pretty good reasons. Step 2: Set Up Babel and Webpack. Setting Up ReactJS Environment With ES6, Webpack and Babel babel ReactJS webpack ReactJS developed by Facebook is a JavaScript library for creating large application user interfaces having continuous data changes. js (SCSS to CSS and Babel) 👌 The Simplest Usage 👌 - package. babel-loader transpiles JS code given the presets. Modifying your Babel configuration for Jest. json in your code editor, and add a webpack script (right after the babel script. One of the features that is taking the longest to implement is modules. So in this article we will do React JS Setup using Npm Babel and Webpack. Basically what I am trying to achieve is to be able to debug a server side node app written in es6. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset. There are lot of other plugins and configuration options worth learning. The internal webpack config is maintained using webpack-chain. …I need to install that one last preset,…so I'll say N-P-M install…at Babel slash preset hyphen React,…and I'll save that as a dev dependency. The library provides an abstraction over the raw webpack config, with the ability to define named loader rules and named plugins, and later "tap" into those rules and modify their options. We’ll explain these a little more soon. How to use webpack and babel to take advantage of javascript promises, async/await, arrow functions, module imports, and code minifying. js const sum = arr => arr. @babel/core @babel/preset-env webpack webpack 3. Those are the steps needed to set up a standard webpack build. Rollup may suffer a similar problem. Edit: the version has been added later in the post because since this tutorial has been published, webpack version 4 has been released which has a slightly different configuration and might break this tutorial's setup. So, you could use any babel plugins or presets that you have used in your project with Storybook. The webpack config is configurable, and the default can depend on which framework you're using and whether you've used a generator like Create React App or Angular CLI etc. To clarify, you don't need 'webpack', as babel handles transpiling modern JS code into ES5 compatible code, but it makes sense to use webpack still as a way to help with the performance of your client-side services. Detailed description in Quora. Babelified webpack configs (like webpack. Let me show you. Babel, JSX, and Build Steps. Webpack Webpack is a module builder. Using the create-react-app command. webpack relies on regex tests to give you complete control, not limiting you to only file extensions or assume your code must be organized in a certain way. It is fully compatible with Async/Await as it uses the Babel polyfill. Any help would be appreciated. If you are already using that syntax, you don't need this plugin. Async await with ES6/Babel and TypeScript 2016-02-17 — 6 Min Read — In code Promises are an excellent way of making asynchronous calls, and they're most definitely an improvement over working with only callbacks. babel-loader — This package allows transpiling JavaScript files using Babel and webpack. Babel loader Thanks to Babel loader we can enjoy new JavaScript syntax and write our code using EcmaScript 2015 and even JSX (React). Webpack is a module bundler. html you use for development. As a person who loves React, I got curious with create-react-app. This boilerplate is targeted towards large, serious projects and assumes you are somewhat familiar with Webpack and vue-loader. webpack is a module bundler. Webpack then tries to load the babel package instead of the babel-loader. When we set up babel-loader with webpack, the configuration will handle this automatically each time we run webpack. json configuration. 🐠 Automatic transforms Code is automatically transformed using Babel, PostCSS, and PostHTML when needed - even node_modules. I have not asked Dan why he decided to make it a Babel transform instead of a Webpack loader, but probably it allows other projects than Webpack to use it. With the introduction of react JS , the way we build our UI component has changed. How to use webpack and babel to take advantage of javascript promises, async/await, arrow functions, module imports, and code minifying. babel-plugin-dynamic-import-node babel-plugin-proposal-class-properties babel-plugin-proposal-decorators babel-plugin-transform-modules-commonjs babel-plugin-transform-runtime babel-preset-react backbone brace chai child-process-promise copy-webpack-plugin core-js. The loader basically means some action before the bundling happens. 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. Today, we will build and run a React Application with Webpack that also includes React, Babel, Webpack devtool and devServer configuration, then we can run the app with live-server for public folder: React Application with Webpack Prepare folders and files. Webpack can be used as an alternative to Cassette or ASP. Modern web development practices today require a lot of setup with things like webpack to bundle your code, babel for transpiling, eslint for linting, and so much more that the list just goes on. Combine Webpack with Gulp 4. js) are not supported. Install the aforementioned module as follows: npm install --save-dev babel. AVA ships with ES2015 support built-in using Babel 6 under the hood, so you can write test using ES2015 syntax right away. Webpack with Babel The scope packages were used by Babel from version 7 which was the reason for many developers being in a state of confusion. Now we also need to install html-webpack-plugin, this plugin generates an HTML file,. As usual with any node package, use npm to install babel-loader, and babel-core, which contains core logic of Babel. webpack is a module bundler. It takes dependent modules and compiles them to a single (file) bundle. Create a root folder somewhere on your computer and navigate into it from your Transpiling with Babel. …The array at this point will have…just @babel/preset-env. Add the file. Here's what you'd learn in this lesson: Sean addresses students' questions about setting up Babel for modules and using Stage 0 Babel. Building a libary with Webpack & Babel 7 April 2018 on Webpack, Babel. This is also consistent with the way babel documents using a polyfill with Webpack and does not require the extra loaders. If you don’t want it to be wrapped as module into a new scope (assuming you want it to be accessed globally outside of the bundle like a standard javascript), refer to [Merge Multiple Javascript Into Single File Global Scope instead. Note that it. Here's what you'd learn in this lesson: Sean addresses students' questions about setting up Babel for modules and using Stage 0 Babel. The lodash-webpack-plugin is particularly useful. I am new to Webpack / Babel. Rollup may suffer a similar problem. Basically what I am trying to achieve is to be able to debug a server side node app written in es6. Note: for this tutorial you won't [email protected]/plugin-proposal-export-namsespace-from & @babel/plugin-proposal-throw-expressions. Complete details of a TypeScript + Babel7 + Webpack setup are here. $ npm i babel-core babel-loader @babel/preset-react @babel/preset-env html-webpack-plugin --save-dev Well what can I say, that was the maximum number of installs I promise. Babel is popular tool for using the newest features of the JavaScript programming language. Using JS files. babel可以把同种语言的高版本规则翻译成低版本规则,其转译过程也分为三个阶段:parsing、transforming、generating。 (1)解析步骤接收代码并输出 AST(抽象语法树),这其中又包含两个阶段词法分析和语法分析。. Use ES modules/ES6 import in Node without Babel/Webpack using `esm` Node has been implementing more and more ES6+ (ESNext) features natively. We're a small group of volunteers that spend their free time maintaining this project, funded by the community. With the recent release of Babel 7, it's the perfect time to really get to know it. Inside this file, export a function called onCreateWebpackConfig. import "babel-polyfill"; With webpack, there are multiple ways to include the polyfills: When used alongside babel-preset-env, If useBuiltIns: 'usage' is specified in. using react. We use cookies for various purposes including analytics. Welcome to my course, Webpack: Transpiling and Bundling JavaScript. The AVA default Babel configuration includes the "es2015" and "stage-2" presets, but you can customize any Babel option for transpiling test files with the "babel" option in AVA's package. It’s setting up the environment that’s tricky — you’ll need npm, webpack and Babel to get started. If you're using Babel's defaults settings, Babel will compile ES6 modules to CommonJS modules, leaving nothing for Webpack to work with. That is the definition taken straight from the documentation. The babel loader will look for any file with a ". Basically that's everything that's needed to get started with creating your first web application. The webpack config is configurable, and the default can depend on which framework you’re using and whether you’ve used a generator like Create React App or Angular CLI etc. In addition, Webpack can be run as middleware through a custom server called webpack-dev-server, which supports both live reloading and hot reloading (we'll talk about these features later). Plugins are the core of Webpack. Here's what you'd learn in this lesson: Sean addresses students' questions about setting up Babel for modules and using Stage 0 Babel. 0 (133 ratings) Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. Now we would use babel-loader for using babel with webpack and webpack provide us hooks to process the files before it is processed and these are called module and are easy to configure. For our setup, we will use babel-loader which is webpack loader that will transpile our ES6 code for us. In this article i am going to explain how to use the Babel compiler for compiling the javascript from ES6(or higher ES version) to ES5 compliant version. Installing babel-loader. In his defense, Captain Kirk was up against the likes of General Change, Khan, The Borg and so many dangerous foes. Webpack performs transpilation, concatenation, minification, and combines CSS into JavaScript. You're in one of these three categories: You already use Babel. angular-starter-es6-webpack - Sean Larkin, Aug 2016; Configuring webpack & Babel. It is fully compatible with Async/Await as it uses the Babel polyfill. Setting up an ES6 Project Using Babel and webpack Prerequisites. React Hot Loader is a plugin that allows React components to be live reloaded without the loss of state. babel-loader has been used with webpack for compiling/transpiling purpose. The internal webpack config is maintained using webpack-chain. Simple React Webpack Babel Starter Kit. ES6 is here, and people are already talking about ES7, what the future holds, and what shiny features a new standard can offer. It relies on ES2015 modules in order to achieve that. To use es6 in your webpack. Configuring Webpack and Babel. CDN cache busting because Webpack automatically changes file names to hashes of the file contents, etc. Webpack describes itself as “a bundler for javascript and friends”. Before we start using babel-loader, we need to install some packages and setup babel. Contribute to ReactJSResources/react-webpack-babel development by creating an account on GitHub. The Webpack config does most of the heavy lifting, whereas the Babel config you see pretty much just tells which files to watch and where to transpile them out to. If you decide to use ts-loader make sure you have transpileOnly: true, this will let ts-loader do the transpile job but not type checking, normally the type checking process should be part of your CI testing tasks, here it should. react-js开发环境. For learning more about webpack check out webpack 4 tutorial, from zero conf to production mode. Before we start using babel-loader, we need to install some packages and setup babel. js use babel compiler from your installed node modules (which is the default option when you don’t specify the setting at all):. This is also consistent with the way babel documents using a polyfill with Webpack and does not require the extra loaders. The application we have built so far enables you to write JavaScript applications with Webpack and Babel. These add-ons are completely optional and may not support all use cases. This course covers four topics: command line, NPM, Babel 7 and Webpack 4. js, by statically or dynamically compiling it via Babel. NET Combination and Minification. config/index. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset. webpack 将尝试读取 babel package 而不是 babel-loader。 想要修复这个问题,你需要卸载 babel npm package,因为它在 Babel v6 中已经被废除。 (安装 @babel/cli 或者 @babel/core 来替代它) 在另一种场景中,如果你的依赖于 babel 而无法删除它,可以在 webpack 配置中使用完整的. Webpack lets us do a lot with very little effort – for example, the configuration file in the github project for this post tells webpack how to transpile ES6 with Babel, compile LESS, and reload the page when files are changed – all in 26 lines. Who am I and why should you listen to me?. config file…and we're going to add on to our loader. Where does this babel-loader come from you ask? Well, we need to install it and later set a few configurations. NET's server-side rendering, it is suggested that you create a separate bundle ("entry point") containing only the code required to perform server-side rendering. a CRA for a while now. Import your main webpack config into Storybook’s webpack. This guide documents the configuration options for that plugin. Webpack uses npm and module system. These days, about every other article I read online about JavaScript or front-end development contains some mention of webpack. Second, if you have configured Webpack to make use of Babel, you need to ensure Babel doesn't try to convert import statements to require. Learn more about Babel with our getting started guide or check out some videos on the people and concepts behind it. Brian demonstrates how to squeeze more performance out of your code without rewriting it by tweaking webpack and Babel. One-page guide to Webpack: usage, examples, and more. Additionally we're installing Babel presets for ES2015 (ES6. In addition, the webpack will be used for executing barbel compiler and bundling the multiple javascript dependencies into a single file. config/index. We start by installing Webpack and a plugin it needs to work together with Babel: npm install webpack babel-loader --save-dev. ️ Code Splitting. # Excluding node_modules It is common to have exclude: /node_modules/ for JS transpilation rules (e. by Nazare Emanuel Ioan. NET's server-side rendering, it is suggested that you create a separate bundle ("entry point") containing only the code required to perform server-side rendering. Webpack ships with code splitting by default (Since webpack 1). With webpack, you can configure how different types of files should be transpiled. js compilers or preprocessors instead as described below, because wallaby. Browserify vs Webpack vs Babelify vs Babel-Loader JavaScript performance comparison. note: Added webpack-cli based on new version of webpack (v4. A Babel preset that compiles ES2015+ down to ES5 by automatically determining the Babel plugins and polyfills you need based on your targeted browser or runtime environments. babelrc file in the root of the project. I had a problem getting @Juho's solution running with Webpack 2. I have opened a PR with fetch so they stop referring to this solution: github/fetch#331. At this point, I'm going to go back…to the code and open the webpack in config file.  Once set up, webpack will take all your files, compile them into JavaScript the browser can understand, and output them to one single file. x for JavaScript and CSS. I hope I will be able to put together a reasonable question about this, so forgive me if the question is a bit off or I don't manage to present all the necessary details. babel-loader has been used with webpack for compiling/transpiling purpose. ics-creative. The upcoming version two, however, will finally be able to exclude polyfills. Vue CLI uses babel. js babel compilers/preprocessors are faster. In our webpack configuration, we specified that we are using a babel-loader. How to take a Webpack config that handles Sass, Babel, vendor-prefixing, plus more, and do all this with a blazing-fast Parcel setup!. TIP: read the webpack guide if you're not familiar with webpack. More then, webpack is used with babel-presets, which allows you to use modern ES6+ constructions in relative old browsers. The following stages exist: develop: when running the gatsby develop command. WebPack and react-scripts is slightly different things. Babel 7, Webpack 4, and MobX 5. Setting Up ReactJS Environment With ES6, Webpack and Babel babel ReactJS webpack ReactJS developed by Facebook is a JavaScript library for creating large application user interfaces having continuous data changes. Call Babel from webpack. The project we are going to examine is on GitHub: tree-shaking-demo. React Environment: NPM + Webpack + Babel Building a React component is easy. Webpack is used for compiling bundle for your web-application, which can be free-form and have some entry point. We did this because we were relying on Webpack to find out which imports are being used, transpile them and create the output bundle. But my main goal is for people to better understand these tools and how to use them. babelrc file in your project directory • In it, create a JSON object with the key "presets" pointing to an array of strings representing the Babel presets that you want to use: {. Part I: Server Setting up our webpack configuration. The minimal React, Webpack, Babel Setup. React Component Without and With Webpack, Babel, JSX and With CDN Link (Hindi). (instead install babel-cli or babel-core ) In the case one of your dependencies is installing babel and you cannot uninstall it yourself, use the complete name of the loader in the. Welcome to my course, Webpack: Transpiling and Bundling JavaScript. js file in your root directory. So many keywords in this title… The ecosystem of web development today appears complicated, and you may feel overwhelmed. Now we also need to install html-webpack-plugin, this plugin generates an HTML file,. …And then we're going to add this presets array. config file…and we're going to add on to our loader. ️ Code Splitting. 0 (133 ratings) Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. It is fully compatible with Async/Await as it uses the Babel polyfill. Create a new file with common webpack options and use it in both inside the main webpack config and inside Storybook’s webpack. Installation yarn add babel-loader @babel/core @babel/preset-env Works great with Webpack React Webpack Vue. js , the React component used to generate the initial HTML file of your build. babelrc file (for our Babel preset env). We're a small group of volunteers that spend their free time maintaining this project, funded by the community. The Loading JavaScript chapter covers the essentials of using Babel with webpack. …And then we're going to add this presets array. json in your code editor, and add a webpack script (right after the babel script. Also, webpack is responsible for assembly dependent node_modules in one file, and maybe compress and optimise it. webpack+Babel+jQueryの構成を作成しよう. Here my first trial of React. For learning more about webpack check out webpack 4 tutorial, from zero conf to production mode. Let's make them work together! Webpack has this concept of loaders, which lets you run your code through other tools before it bundles all the files into one. That way you can enjoy features like hot module reloading, assets management and pre/post css transpilers as well. babel-plugin-dynamic-import-node babel-plugin-proposal-class-properties babel-plugin-proposal-decorators babel-plugin-transform-modules-commonjs babel-plugin-transform-runtime babel-preset-react backbone brace chai child-process-promise copy-webpack-plugin core-js. OK, I Understand. COM图书频道为您提供《React全栈:Redux+Flux+webpack+Babel整合开发》在线选购,本书作者:,出版社:电子工业出版社。买图书,到京东。. Setup that we are going to create is minimal, but it follows the best practices and gives you a solid ground to start from. For instance, Webpack already provides options for minification and sourcemaps for your bundle. Webpack uses loaders to translate the file before bundling them. js looks something like this:. If you want to run modern JavaScript in the browser, Babel on its own is not enough, you also need to bundle the code. Provides Babel configuration for the webpack module. createjs) submitted 2 years ago by kajjiNai How do I import createjs into my project ES6 running on webpack and babel?. To get up to scratch, read Webpack Made Simple: Building ES6 & LESS with autorefresh. The Webpack config does most of the heavy lifting, whereas the Babel config you see pretty much just tells which files to watch and where to transpile them out to. In this beginner-friendly Webpack 4 tutorial, Mark Brown demonstrates how to set up and configure Webpack to transform and bundle all your front-end assets. js) are not supported. Sample VS Code config files for gulp-babel-loader. Notes on configuring and using Webpack 2. Contrary to other webpack plugins, you do need to include your app's module entrypoint in your index. babel-loader will automatically use the. For example, there is a plugin called UglifyJS that minifies and uglifies. We will create project setup and use webpack to compile jsx with react to normal JavaScript using Babel. This is also consistent with the way babel documents using a polyfill with Webpack and does not require the extra loaders. js defined as. So in this article we will do React JS Setup using Npm Babel and Webpack. This can be specified by passing in a string with the loaders’ names, separated by an exclamation mark, such as ‘babel-loader!eslint-loader’. Babel loader Thanks to Babel loader we can enjoy new JavaScript syntax and write our code using EcmaScript 2015 and even JSX (React). Note: Issues with the output should be reported on the Babel Issues tracker. Gulp/Babel-loader and Webpack in Visual Studio Code. There's nothing different with my webpack or babel configuration when using Karma. In this case Babel will transform all. By default, Babel rewrites modules to use CommonJS, which won't tree-shake. The reason that es6 modules are required in order to get tree shaking is due to the fact that import export offers static modules. Mince Pie Challenge: Setting up Flow with Babel and Webpack. We use cookies for various purposes including analytics. I use Webpack and Babel to compile the JavaScript. Open a command prompt, and navigate (cd) to the es6-tutorial-data directory. Creating Comment Form Using React, Redux, Webpack, Babel. As web developers. reduce((a, b) => a + b); console. Provides Babel configuration for the webpack module. In the Babel configuration, we set the modules property to false in our. But their is hope for us, webpack have this concept of loaders, a webpack loader takes something as the input and produces something else as the output. Now we should configure webpack to use babel. BabelJS - Working with Babel and Webpack - Webpack is a module bundler which packs all modules with dependencies â js, styles, images, etc. If you'd like to see examples of other approaches, please request them or, better yet, open up a PR with an addition. At the end, you will learn how to integrate Babel and Webpack using babel loader. However, Jest runs in Node, and thus requires ES modules to be transpiled to CommonJS modules. js files in node_modules. > yarn add babel-loader babel-core babel-preset-es2015 babel-preset-react --dev. Setup that we are going to create is minimal, but it follows the best practices and gives you a solid ground to start from. Webpack uses npm and module system. At this point, I'm going to go back…to the code and open the webpack in config file. To get ourselves going, we're going to. Now we would use babel-loader for using babel with webpack and webpack provide us hooks to process the files before it is processed and these are called module and are easy to configure. Deploying ES6 in Node. Modern web development practices today require a lot of setup with things like webpack to bundle your code, babel for transpiling, eslint for linting, and so much more that the list just goes on. With webpack, you can configure how different types of files should be transpiled. loaders , so you can change the options of loaders inside extend. Chris Perry shows how to set up a build system for modern JavaScript, using Babel, ES6 modules and webpack, with watch tasks and automatic page refreshes. Let me show you. mocha-webpack uses your existing Webpack config, and the code is compiled the same way almost entirely across both environments. babel-core is babel itself, babel-loader is the webpack loader we'll use, and babel-preset-react is to get the JSX -> JS transformation going. It is fully compatible with Async/Await as it uses the Babel polyfill. In this quick video I will show you how to setup a Webpack project so that you can use JavaScript modules. 一个基于 React + Webpack + es6 + Babel + ant-design 的新闻站点 写在前面 之前自学过前端自动化工具和 angular ,但一直没有搭建过一个完整的项目,于是这次认真的做了个基于react新闻网站,自动化工具采用webpack,由于使用了es6的语法,需要用到Babel,Babel是一个广泛. for the browser. We recommend to convert your config to native Node — Node 6 supports many ES6 features. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset. babelrc then do not include @babel/polyfill in either webpack. Babel works seamlessly with webpack and makes possible to write ECMAScript > 2015 that later is transpiled to ECMAScript 2009 during the build process. For webpack 2 - react boilerplate please check this post. I use Webpack and Babel to compile the JavaScript. json in your code editor, and add a webpack script (right after the babel script.