Babelpreset-env

We're super excited that you're trying to use ES2015 syntax, but instead of continuing yearly presets, the team recommends using babel-preset-env.

babel/preset-env is a smart preset that allows you to use the latest JavaScript without needing to micromanage which syntax transforms (and optionally, ...

Use it via UNPKG: https://unpkg.com/@babel/preset-env-standalone@7/babel-preset-env.min.js. This is a simple way to embed it on a webpage without having to do ...

Babel presets bundles together common Babel plugins. The Babel foundation has created presets that contains common bundles of plugins. That means you only have ...

@babel/cli : babel 的CLI 介面，這樣才能直接在終端機執行; @babel/preset-env : 一個很常用的babel preset ，直接包含了大部份處理相容性轉換的plugin ...

Adds specific imports for polyfills when they are used in each file. We take advantage of the fact that a bundler will load the same polyfill only once.

2021年6月7日 — 在Babel7之后，babel-preset-env的名字是@babel/preset-env。不夸张地说，所有配置项仅需要它自己就可以完成现代JS工程所需要的所有转码要求。

2018年5月10日 — A Babel preset that compiles ES2015+ down to ES5 by automatically determining the Babel plugins and polyfills you need based on your targeted ...

2020年6月7日 — 在過去如果我們要使用新的語法，必須一一引入我們需要的presets；另外如果有需要polyfill 內建的功能像是Promise，也需要一個一個手動引入，而像 babel- ...