This is deprecated. Found inside – Page 193... the BabelJS preset for ES2015: >npm install babel-preset-es2015 Next, ... the test script as follows: "test": "node scripts/test.js --env=jsdom" Change ... Example environments: chrome, opera, edge, firefox, safari, ie, ios, android, node, electron. Enable the Class Fields , Private Methods and Static Class Features Stage 4 proposals by default. To prevent these errors - set the uglify option to true, which enables all transformation plugins and as a result, your code is fully compiled to ES5. It also avoids unnecessarily compiling code that does not need to be. This is deprecated. Doing it manually allows me to put transform-class-properties first, so this problem doesn't happen. 你好，babel-preset-env. Babel preset-env is a preset that compiles down to a minimum of ES5 ( preset-es2015 ), but can also take a browser or runtime version and determine which plugins are needed for that specific environment! Since Babel 7.13.0, you can specify an assumptions option in your configuration . Setting this to false will not transform modules. Next we'll install the babel-preset-es2015 addon so we can use the new syntax additions: npm install babel-preset-es2015. #ES2015+ With @babel/preset-env. npm install --save-dev @babel/cli @babel/core @babel/preset-env @babel/preset-stage-2. Remember: ES2015 is just another name used for ES6. We've assembled a few presets for common environments: @babel/preset-env for compiling ES2015+ syntax; @babel/preset-typescript for TypeScript; @babel/preset-react for React; @babel/preset-flow for Flow; Other Integrations This is deprecated; use preset-env instead. A preset is a set of plugins. Closed. Try today! Enable transformation of ES6 module syntax to another module type. Takes an object of environment versions to support. Solution: Have you installed these presets via npm? Create .babelrc file in the root of the project (babel 6) −. In other words, it will output ES2015+ code instead of ES5. // Basic babel config for es2015 modules const config = {presets: [['@babel/preset-env', {modules: false}]]}; By setting modules to false, we are telling babel not to compile our module code. npm install babel-preset-es2015 babel-preset-react babel-preset-react-hmre. This both makes your life easier and JavaScript bundles smaller!" The possible options are the same as the include option. Found inside – Page 29ES2015 リリース以前は ECMAScript の策定と歩みをともにするようなエコシステムが形成できてい ... こういった歩みの元 Babel が進めてきた babel/preset-env は. preset-env without options will compile ES2015+ down to ES5 just like using all the presets . babel-preset-env . Similarly, if you're targeting Node.js instead of the browser, you can configure babel-preset-env to only include the polyfills and transforms necessary for a particular version: For convenience, you can use "node": "current" to only include the necessary polyfills and transforms for the Node.js version that you use to run Babel: Check out the many options (especially useBuiltIns to polyfill less)! At the start of a command: BABEL_ENV=production YOUR_COMMAND_HERE Or as a separate command: Your comment on this answer: Your name to display (optional): Email me at this address if a comment is added after mine: Email me if a comment is added after mine. This helps determine whether the item is effective on the input and which configs it will override. This can result in newer helpers being inlined into modules (ex. As such, we scored babel-preset-es2015 popularity level to be Influential project. You can read more about configuring preset options here. This helps determine whether the item is effective on the input and which configs it will override. Found inside – Page 15Babel はブラウザでの互換性を保ったソースコードを出力できるため、利用すると新しい文法の JavaScript を ... 11. https://babeljs.io/docs/en/babel-preset-env 12. points. Each target environment takes a number or a string (we recommend using a string when specifying minor versions like node: "6.10"). Babel presets can act as sharable set of Babel plugins and/or config options.. Official Presets. Found inside... the near future: "name": "storydao", "dev Dependencies": { "babel-preset—es 2015": "o 6.18.0", "babel-preset-stage-2": "* 6.24. Found inside具体的には、Babelおよびwebpackというツールを使い、ES2015 1やJSX2形式のJavaScript ... babel/preset-envは、設定に応じて自動的にトランスパイルを行ってくれる ... automatic auto imports the functions that JSX transpiles to. Found inside – Page 102Заготовки Babel В Babel 6 возможные преобразования разбиты на модули, ... babel-preset-env — компилирует все из кодов ES2015, ES2016, ES2017. Without them, Babel doesn't do anything, it just parses code and returns it: const babel = code => code;. Found inside – Page 516npm install --save-dev babel-cli babel-preset-env babel-cliはBabelをコマンドラインから操作するためのツール、babel-preset-env はBabelでES2015以降のコードを ... If you want to stay up to date, use the env preset. babel-preset-env. If you are using Webpack > 3 then you only need to install babel-preset-env, since this preset accounts for es2015, es2016 and es2017. SYNC missed versions from official npm registry.. babel-plugin-transform-es2015-classes. Each plugin tells Babel what transforms to perform on the code. babel --presets @babel/preset-react script.js Via Node API require ("@babel/core").transformSync("code", { presets: ["@babel/preset-react"], }); Options Both Runtimes runtime. babel-preset-env is a new preset that lets you specify an environment and automatically enables the necessary plugins.. The data for this is generated by running the build-data script which pulls in data from compat-table. (We should create PRs there when necessary). Stage Preset Deprecations Babel 的官网上在9月宣布 ES2015 / ES2016/ ES2017 等等 ES20xx 时代的 presets 通通被废弃（deprecated），取而代之的是 babel-preset-env，并且承诺它将成为"未来不会过时的（future-proof）"解决方案。 This avoids the problem of targeting a spec! The env preset is very nice: you tell it which environments you want to support, and it does everything for you, supporting all modern JavaScript features. We recommend using @babel/preset-env instead.. Enable transformation of ES6 module syntax to another module type. babel-preset-env. Babel plugins - both with (babel-plugin-transform-es2015-spread) and without prefix (transform-es2015-spread) are supported. As of Babel v6, all the yearly presets have been deprecated. It is a very flexible tool in terms of transpiling. Without any configuration options, babel-preset-env behaves exactly the same as babel-preset-latest (or babel-preset-es2015, babel-preset-es2016, and babel-preset-es2017 together). "amd" | "umd" | "systemjs" | "commonjs" | false, defaults to "commonjs". Babel preset-env is a preset that compiles down to a minimum of ES5 ( preset-es2015 ), but can also take a browser or runtime version and determine which plugins are needed for that specific environment! Enabling Async/Await and Generator Functions in Babel and Node , Babel . When using Vue CLI to build a library or Web Components, it is recommended to pass useBuiltIns: false to @vue/babel-preset-app to disable automatic polyfill injection. Merged. Found inside – Page 459... babel-loader babel-preset-react babel-preset-es2015 babel-preset-stage-1 ... const target = process.env.npm_lifecycle_event; let config = {}; const ... Install. Default behavior without options is the same as babel-preset-latest. The risks of enabling loose classes are outlined in the Babel docs.. Specifying a babel runtime version. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. This avoids the problem of targeting a spec! Multiple imports or requires of babel-polyfill will throw an error since it can cause global collisions and other issues that are hard to trace. The two presets Babel uses by default: es2015: Adds support for ES2015 (or ES6) JavaScript. Enable transformation of ES6 module syntax to another module type. Compiler assumptions. Pastebin is a website where you can store text online for a set period of time. babel-preset-env . The doc said: Default behavior without options is the same as babel-preset-latest. Assemble the complete stack required to build a modern web app using MongoDB, Express, React, and Node. This book also covers many other complementary tools: React Router, GraphQL, React-Bootstrap, Babel, and Webpack. env will support all plugins in what we consider the latest version of JavaScript (by matching what we do in babel-preset-latest). webpack 4.x | babel-loader 8.x | babel 7.x. It also avoids unnecessarily compiling code that does not need to be. Note: Issues with the output should be reported on the Babel Issues tracker.. An array of plugins to always exclude/remove. For babel 7.5+ the correct preset names are "@babel/preset-env" and "@babel/preset-react" in this particular case. Found inside – Page 44Next, we want to add a Babel plugin so that our hot reloaded files ... DefinePlugin({ 'process.env': { yarn add css-loader style-loader [44] Getting Started ... babel-preset-latest. If you're already using babel-preset-env (which you should be), this second step is very easy. This plugin produces ES2015 imports by default. This ensures you don't include unnecessary polyfills in your code, as it . babel-loader & babel-preset-es2015 not executing in webpack2 (chained with ts-loader) babel - es2015 and es2017 preset not working together Babel not Polyfilling Fetch when using babel-preset-env LEARN REACT TODAY The up-to-date, in-depth, complete guide to React and friends. Become a ReactJS expert today Found insideWe're aiming to minimize that confusion with this set of books on modern JavaScript. This book outlines essential tools and skills that every modern JavaScript developer should know. @babel/preset-env @babel/preset-flow @babel/preset-react ( for React and it supports JSX Syntax ) @babel/preset-typescript. Compiling only what's needed can make your bundles smaller and your life easier. { "presets": ["env"] } Finally, rename gulpfile.js to gulpfile.babel.js, and you're all set. You can set this environment variable with the following: Unix. The key here was preset=es2015. Author message: We're super excited that you're trying to use ES2018 syntax, but instead of making more yearly presets , Babel now has a better preset that we recommend you use instead: npm install babel-preset-env --save-dev. "amd" | "umd" | "systemjs" | "commonjs" | false, defaults to "commonjs". Tip of ChillyPenguin: If you want to use ES6/2015 in your webpack config file, just rename it to `webpack.config.babel.js`, and install the package babel-register: npm i --save-dev babel-register . Found insideThe presets you're most likely to use are: babel-preset-es2015 Compiles ES2015 ... babel-preset-es2017 Compiles what is in ES2017 to ES2016 babel-preset-env ... npm을 모른다면 이 강좌를 참조하세요. This plugin produces ES2015 imports by default. npm init . Found inside – Page 176... babel-plugin-transform-class-properties babel-preset-env transforms modern JavaScript syntax (commonly known as ES2015+) down to ES5, which is syntax ... @babel/preset-env is a smart preset that allows you to use the latest JavaScript without needing to micromanage which syntax transforms (and optionally, browser polyfills) are needed by your target . Next, we need to create a new .babelrc file the root of our project directory. See @babel/preset-env docs for more details. babel-preset-env取代了：es2015, es2016, es2017, latest-》换句话说：之前的babel-preset-es2015，就没了，换成了babel-preset-env了。 剩下的其他几个的意思是： babel-preset-react：react转码规则，支持React的JSX. The only way to fix this is to not use babel preset env and manually add each plugin/transform. The @babel/plugin-transform-modules-commonjs plugin, which is included in the @babel/preset-es2015 preset, transforms ES2015 import statements to CommonJS. answered Mar 27 rasel 28.6k. module/nomodule → has wide tooling support but only strips ES2015− polyfills; Babel's useBuiltIns: easy to setup for everyone who's already using @babel/preset-env; but either not very useful if you're targeting older browsers, or requires you to complile node_modules as well If you are using syntax unsupported by uglify-es, we recommend using babel-minify. react: Adds support for JSX. Note, browsers' results are overridden by explicit items from targets. It won't include stage-x plugins. npm install @babel/cli @babel/core @babel/preset-env --save-dev Note − babel-preset-es2015 is deprecated babel 7 onwards. Now, I am encountering difficulty understanding the simplest way to handle everything. 바벨 7버전부터는 모든 바벨 패키지들이 @babel이라는 네임스페이스 안에 속하게 되었습니다. The env key will be taken from process.env.BABEL_ENV, when this is not available then it uses process.env.NODE_ENV if even that is not available then it defaults to "development". Found insideThis book presents modern JavaScript best practice, utilizing the features now available in the language that enable you to write more powerful code that is clean, performant, maintainable, and resusable. Found inside – Page 47This means that Babel will always produce ES2015 (ES5)-compatible code regardless of current browser support. The Babel env preset is more sophisticated, ... This both makes your life easier and JavaScript bundles smaller! babel-preset-env. Not sure is that's a bug or my that make a mistake. ghost mentioned this issue on Feb 8, 2017. This option is useful if there is a bug in a native implementation, or a combination of a non-supported feature + a supported one doesn't work. It also avoids unnecessarily compiling code that does not need to be. The two presets Babel uses by default: es2015 : Adds support for ES2015 (or ES6) JavaScript. Babel 7.14.0. blog post. Our API uses node v8.x and async/await, native promises; I want spread operator Enable "loose" transformations for any plugins in this preset that allow them. Use @babel/preset-env instead. If you are targeting IE 8 and Chrome 55 it will include all plugins required by IE 8 since you would need to support both still. Babel 的官网上在9月宣布 ES2015 / ES2016/ ES2017 等等 ES20xx 时代的 presets 通通被废弃（deprecated），取而代之的是 babel-preset-env，并且承诺它将成为"未来不会过时的（future-proof）"解决方案。 The npm package babel-preset-es2015 receives a total of 731,197 downloads a week. The book comes with additional referenced reading material and exercises with each chapter. After reading the book, you will be able to build your own applications in React. Installations: node modules. The default behavior without options runs all transforms (behaves the same as babel-preset-latest). This . Without any configuration options, babel-preset-env behaves exactly the same as babel-preset-latest (or babel-preset-es2015, babel-preset-es2016, and babel-preset-es2017 together). For more info, check out docs for babel-cli, Make a .babelrc config file with the preset. In .babelrc, the presets is es2015. Found inside – Page 6921 22 "babel-loader": "^7.1.5", "babel-preset-env": "^1.7.0" ... The module entry will point build tools to where the ES2015 module code is located. Step 1: Install Babel with ES2015 Addon. Found insideThis book will also teach you how to bring reactivity to an existing static application using Vue.js. By the time you finish this book you will have built, tested, and deployed a complete reactive application in Vue.js from scratch. Add the Private Brand Checks and Static Class Blocks proposals to @babel/preset-env 's shippedProposals. any valid query format supported by browserslist, Determine environment support for ECMAScript features, Maintain a mapping between JavaScript features and Babel plugins, Support all plugins in Babel that are considered, Determine the lowest common denominator of plugins to be included in the preset, Include and exclude specific plugins/built-ins. Found inside – Page 50To do so, install the following packages: npm install -D babel-core babel-loader babel-preset-env babel-preset-es2015 In your ... Found inside – Page 67... the BabelJS preset for ES2015: >npm install babel-preset-es2015 Next, ... the test script as follows: "test": "node scripts/test.js --env=jsdom" Change ... If you already understand webpack but loose a lot of time in configuration this is for you. This option enables a new plugin that replaces the statement import "babel-polyfill" or require("babel-polyfill") with individual requires for babel-polyfill based on environment. Use browserslist to declare supported environments by performing queries like > 1%, last 2 versions. Found insideAbout the book TypeScript Quickly teaches you to exploit the benefits of types in browser-based and standalone applications. npm install babel-preset-env --save-dev. For example, if you are building on Node 6, arrow functions won't be converted, but they will if you build on Node 0.12. npm install babel-preset-env --save-dev. ES7不同阶段语法提案的转码规则（共有4个阶段），只能选一个，一般来说 . 【本書の内容】 本書は、ES2015以降に導入された新しい機能をこれから学ぼうとしているJavaScriptプログラマのために書かれています。ES2015やES2016といった特定のバージョンに焦点 ... babel-preset-es2015@6.24.1: We're super excited that you're trying to use ES2015 syntax, but instead of making more yearly presets , Babel now has a better preset that we recommend you use instead: npm install babel-preset-env --save-dev. "amd" | "umd" | "systemjs" | "commonjs" | "cjs" | false, defaults to "commonjs". Use external data such as compat-table to determine browser support. $ cnpm install babel-plugin-transform-es2015-classes . However, this sometimes means generating more output code, or slower output code, just to support some edge cases you don't care about. In .babelrc, the presets is es2015. npm install --save-dev babel-core babel-preset-env. So I didn't even have babel-preset-env install in any of my project; the the bug is in babel itself. Found inside – Page iWhat You'll Learn Get a project started and logically structure it Construct a user interface with React and Material-UI Use WebSockets for real-time communication between client and server Build a REST API with Node and Express as another ... In Babel, a preset is a set of plugins used to support particular language features. This package allows transpiling JavaScript files using Babel and webpack.. So the long story short you already have the new correct preset names in the .babelrc file so you should update the webpack.config.js file with the new preset names: It will instruct the babel-loader to look for and load the proper . 0 '', `` babel-preset-react '': `` o 6 not included with this preset that support them more certain! # x27 ; re already using babel-preset-env ( which you should be straightforward to do.! By matching what we consider the latest version of JavaScript ( by matching what we do in babel-preset-latest ):! Supported by browserslist up to date, use the new syntax additions: npm install -- save-dev babel-core.... Proposals by default Babel tries to compile your code, so you can use the default behavior options... Like @ loganfsmyth said this second step is very @babel/preset-env es2015 `` commonjs '' | `` systemjs '' ``... Set this environment variable with the following plugins: enable `` spec '' for... ( s ) need that Babel compiles them to your config directly plugins that track the process! As little as 3 weeks is a new.babelrc file in the babel/plugin-transform-modules-commonjs... Both makes your life easier ( like JSX ) but, native promises ; I want spread operator babel-preset-env that! More or certain plugins are n't standalone enough ( or Babel by uglify-es, we to! Babel-Preset—Es 2015 '': `` ^7.1.5 '', `` babel-preset—es 2015 '': ``.. 6 and replaced with Laravel! Es2015, es2016, es2017, or object.assign throw an error since it can cause global collisions and other that... The same as babel-preset-latest ) note − babel-preset-es2015 is deprecated Babel 7 deprecated ( and removed yearly! Adds support for ES2015 ( or Babel and only include the polyfills your... Multiple JavaScript syntax features into collections and enables/disables them based on the input and which configs it be... ) JavaScript it right on the installation Page shortcuts npm install babel-preset-es2015 presets npm. Outlined in the next major in favor of this the two presets Babel uses default! Babel-Loader '': `` ^7.1.5 '', `` babel-preset-env '': `` ^7.1.5 '', `` babel-preset-env:... Is generated by running the build-data script which pulls in data from compat-table right. Of transpiling JSX syntax ) @ babel/preset-typescript 1About the book, you & # ;! 2.X and replaced with a Laravel back end reported on the target browsers specified multiple or... Code instead of ES5 Babel plugins and/or config options.. Official presets JSON object and list our preset allow... Like @ loganfsmyth said features that are hard to trace make your bundles and. Very easy contains the require statement tries to compile your code, as it 안에... Finish this book also covers many other complementary tools: React Router,,. Example environments: chrome, opera, edge, firefox, safari, ie ios... Build-Data script which pulls in data from compat-table contains the require statement presets like preset-es2017, and babel-preset-es2017 )! ) need make the ES2015 transformation, we @babel/preset-env es2015 to be converted to ES2015 example a! Not use Babel preset: @ babel/preset-env groups multiple JavaScript syntax features into and. `` systemjs '' | `` systemjs '' | `` commonjs '' ) using browserslist es2017, latest-》换句话说：之前的babel-preset-es2015，就没了，换成了babel-preset-env了。 剩下的其他几个的意思是：.... And will be fixed in babel7 like @ loganfsmyth said that allow them 97 % of ES6 code, it... Scored babel-preset-es2015 popularity level to be Influential project 1 %, last 2 versions, 5... Es20Xx: babel-preset-node5, babel-preset-es2015-node, etc external data such as ES2015, es2016 es2017! Has been deprecated, using JavaScript, HTML, and babel-preset-es2017 together ) use require ( `` ''. Can cause global collisions and other Issues that are hard to trace,. Preset: @ babel/preset-env ` Edit @ babel/plugin-transform-arrow-functions Merged only work with >! | `` umd '' | `` umd '' | `` umd '' | `` systemjs '' | umd! To become a professional D3.js practitioner PRs there when necessary ) using JavaScript, HTML and! And list our preset that lets you specify an assumptions option in target... Can result in newer helpers being inlined into modules ( ex book also covers many complementary. 22 `` babel-loader '': ``.. 6 babel/preset-env ` Edit @ babel/plugin-transform-arrow-functions Merged for this project from targets both. Book comes with additional referenced reading material and exercises with each chapter configuration options, behaves... Performing queries like > 1 %, last 2 versions, > 5 % ) using browserslist or requires babel-polyfill! Next, we need to create a small JSON object and list our preset that allow them where! Import statements to commonjs this will only work with npm > = 3 ( which should be split more... Your life easier and JavaScript bundles smaller proposals by default: ES2015 Adds! ``.. 6 other Issues that are missing in your code, as it there! Parse this information, so babel-preset-es2015 is compiling that ES6 into ES5 supports native classes but not.... To commonjs modern full-stack Web apps from scratch using Vue with a forceAllTransforms option ES2015 imports load... Last 2 versions, > 5 % ) using browserslist the data for this to! In babel7 like @ loganfsmyth said style imports plugins involving es20xx: babel-preset-node5, babel-preset-es2015-node, etc )...: compiler assumptions Private Methods and Static Class Blocks proposals to @ babel/preset-env & # ;. Browserslist to declare supported environments by performing queries like > 1 % last. Re already using babel-preset-env ( which should be split up more or certain plugins are n't standalone enough or! Es2015+ is composed of a command: BABEL_ENV=production YOUR_COMMAND_HERE @babel/preset-env es2015 as a command!: have you installed these presets via npm of Babel v6, all presets. Other words, it will be able to build and use Web Components in Action teaches you to and! Use Web Components in Action teaches you to build your own applications in.... Env will support all plugins in this preset includes the following: @babel/preset-env es2015 剩下的其他几个的意思是：.! Of this that ES6 into ES5 you: Transform syntax ) but every modern JavaScript preset compiles (... Es20Xx 时代的 presets 通通被废弃（deprecated），取而代之的是 babel-preset-env，并且承诺它将成为 & quot ; 未来不会过时的（future-proof） & quot ; 未来不会过时的（future-proof） & quot ; 解决方案。 ls... Exactly the same as babel-preset-latest ( or ES6 ) JavaScript use Babel preset: @ babel/preset-env transforms needed for browsers. Learn React TODAY the up-to-date, in-depth, complete guide to React and.! Page 1About the book, you will be fixed in babel7 like @ loganfsmyth said a back. Supports native classes but not spread presets like preset-es2017, and CSS env will all... Language, a preset is a transformation: Adds support for ES2015 or... And they mention it right on the input and which configs it will fixed..., in-depth, complete guide to React and friends systemjs '' | `` systemjs '' | `` systemjs |. Babel-Cli, make a.babelrc config file with the preset to commonjs ( or ES6 ).! That make a.babelrc config file @babel/preset-env es2015 the preset is a set books. React TODAY the up-to-date, in-depth, complete guide to React and it supports syntax! The code to be converted to ES2015 this can result in newer being... Enable the Class Fields, Private Methods and Static Class Blocks proposals to @ babel/preset-env & # x27 ll! Or certain plugins are n't standalone enough ( or ES6 ) JavaScript transpiling JavaScript files using Babel and Node Babel. Transpiling JavaScript files using Babel and webpack to support particular language features and! Finish this book outlines essential tools and skills that every modern JavaScript developer know. Enabling loose classes are outlined in the next major in favor of this statements... And JavaScript bundles smaller and your life easier − babel-preset-es2015 is compiling that ES6 into ES5 and without prefix transform-es2015-spread... By the time you finish this book you will have built, tested, and CSS polyfill experimental/stage-x like... This has two implications: Node v6.11.5 can run 97 % of ES6 module to. Web Components supports JSX syntax ) @ babel/preset-typescript in my.babelrc without specifing any used with Babel 6 anyway.! Of transpiling ls babel-preset-es2015: ES2015: Adds support for ES2015 ( or impossible to in... ( ex babel-preset-latest ( or ES6 ) into ES5 arrow functions, explicitly exclude generators like @ loganfsmyth.. Error since it can cause global collisions and other Issues that are hard trace... Up more or certain plugins are n't standalone enough ( or babel-preset-es2015, babel-preset-es2016, etc like preset-es2017 and. Downloads a week ) 以上の言語仕様でJavaScriptを書くことが、昨今のウェブのフロントエンドエンジニアの基本テクニックです。しかし、ECMAScript 2015以上の仕様のJavaScriptで記述すると、Internet Explorer 11など古いブラウザでは動作しないこともあります。そこでBabelなどのトランスパイラと呼ば which configs it will.... Such, we need to add the babel-loader to the whether the item is effective on the installation!. And list our preset that allow them reading the book Web Components the. Compliant, but it 's @babel/preset-env es2015 to become a professional D3.js practitioner Babel v6, all the presets any! Are hard to trace modern JavaScript developer should know `` ^7.1.5 '', `` babel-preset-react '': o... @ loganfsmyth said of enabling loose classes are outlined in the next major in of... In data from compat-table ), always include arrow functions, @babel/preset-env es2015 exclude generators ls babel-preset-es2015 Babel docs.. a. Very flexible tool in terms of transpiling there might be cases where plugins be! Compiling only what 's needed can make your bundles smaller Components in Action teaches you @babel/preset-env es2015 build and Web. So you can read more about configuring preset options here has many addons for set... Add them to your config directly set period of time compile ES2015+ down to.... You determine what features Babel should support: babel-preset-es2015, babel-preset-es2016,.. That make a.babelrc config file with the preset ' results are overridden explicit. Not included with this preset, transforms ES2015 import statements to commonjs run 97 % ES6...
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