@1o1w1/babel-preset-react-app 中文文档教程

发布于 5年前 浏览 24 项目主页 更新于 3年前

babel-preset-react-app

此软件包包含 Create React App 使用的 Babel 预设。
请参阅其文档:

Usage in Create React App Projects

使用此配置的最简单方法是使用 Create React App,默认包含它. 你不需要在Create React App项目中单独安装它。

Usage Outside of Create React App

如果你想在一个不是用Create React App构建的项目中使用这个Babel预设,你可以通过以下步骤安装它。

首先,安装 Babel

然后安装 babel-preset-react-app。

npm install babel-preset-react-app --save-dev

然后在项目的根文件夹中创建一个名为 .babelrc 的文件,其中包含以下内容:

{
  "presets": ["react-app"]
}

此预设使用 useBuiltIns 选项和 transform-object-rest-spreadtransform-react-jsx,它假定 Object.assign 可用或已填充。

Usage with Flow

确保在根目录中有一个 .flowconfig 文件。 您还可以在 .babelrc 上使用 flow 选项:

{
  "presets": [["react-app", { "flow": true, "typescript": false }]]
}

Usage with TypeScript

确保您在根目录中有一个 tsconfig.json 文件。 您还可以在 .babelrc 上使用 typescript 选项:

{
  "presets": [["react-app", { "flow": false, "typescript": true }]]
}

babel-preset-react-app

This package includes the Babel preset used by Create React App.
Please refer to its documentation:

Usage in Create React App Projects

The easiest way to use this configuration is with Create React App, which includes it by default. You don’t need to install it separately in Create React App projects.

Usage Outside of Create React App

If you want to use this Babel preset in a project not built with Create React App, you can install it with the following steps.

First, install Babel.

Then install babel-preset-react-app.

npm install babel-preset-react-app --save-dev

Then create a file named .babelrc with following contents in the root folder of your project:

{
  "presets": ["react-app"]
}

This preset uses the useBuiltIns option with transform-object-rest-spread and transform-react-jsx, which assumes that Object.assign is available or polyfilled.

Usage with Flow

Make sure you have a .flowconfig file at the root directory. You can also use the flow option on .babelrc:

{
  "presets": [["react-app", { "flow": true, "typescript": false }]]
}

Usage with TypeScript

Make sure you have a tsconfig.json file at the root directory. You can also use the typescript option on .babelrc:

{
  "presets": [["react-app", { "flow": false, "typescript": true }]]
}
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