基本配置

官网

安装

npm i -D @babel/core @babel/cli @babel/preset-env @babel/preset-react @babel/polyfill @babel/plugin-transform-runtime @babel/runtime-corejs2

配置

babel.config.js

{
  "presets": [
    [
      "@babel/env",
      {
        "targets": {
          "edge": "17",
          "firefox": "60",
          "chrome": "67",
          "safari": "11.1"
        },
        "useBuiltIns": "usage",
        "corejs": "3.6.5"
      }
    ]
  ],
  "plugins": [
    [
      "@babel/plugin-transform-runtime",

      {
        "corejs": 2
      }
    ]
  ]
}