@babel/preset-stage-0

危险

从 Babel v7 开始，所有针对处于标准提案阶段的功能所编写的预设（stage preset）都已被弃用。 请查看 此篇博客文章 以了解更多信息。

有关升级说明，请参阅 此 README 文件。

Install

npm

npm install --save-dev @babel/preset-stage-0

Yarn

yarn add --dev @babel/preset-stage-0

pnpm

pnpm add --save-dev @babel/preset-stage-0

Usage

With a configuration file (Recommended)

babel.config.json

{
  "presets": ["@babel/preset-stage-0"]
}

Via CLI

Shell

babel script.js --presets @babel/preset-stage-0

Via Node API

JavaScript

require("@babel/core").transformSync("code", {
  presets: ["@babel/preset-stage-0"]
});

Options

loose

boolean, defaults to false.

Enable "loose" transformations for any plugins in this preset that allow them.

useBuiltIns

boolean, defaults to false.

Will use the native built-in instead of trying to polyfill behavior for any plugins that require one.

decoratorsLegacy

boolean, defaults to false.

Use the legacy (stage 1) decorators syntax and behavior.

You can read more about configuring preset options here