{
    "presets": [
        [
            "@babel/preset-env",
            { //usage 无需额外引入polifllls 会查找brwserlist浏览器做填充，浏览器支持的api不会再补充
                "useBuiltIns": "usage",
                "corejs": "3.22" //引入这个就行了 无需额外引入polifllls
            }
        ],
        [
            "@babel/preset-react"
        ],
        [
            "@babel/preset-typescript"
        ]
    ]
}