{
  "presets": [
    ["es2015", {"modules": false}],
    // webpack 现在已经支持原生的 import 语句了, 并且将其运用在 tree-shaking 特性上

    "react"
    // 转译 React 组件为 JavaScript 代码
  ],
  "plugins": [
    "transform-function-bind",
    "transform-class-properties",
    "transform-decorators-legacy",
    "transform-export-extensions",
    "transform-object-rest-spread",

    "react-hot-loader/babel"
    // 开启 React 代码的模块热替换(HMR)
  ]
}
