babel 需要怎么处理才能自动引入polyfill?-灵析社区

module.exports = { presets: [ ['@babel/preset-env', { targets: { chrome: '58', firefox: '60', ie: '11', }, useBuiltIns: 'usage', corejs: "3.35.0", //这里必须与package.json中core-js的版本号一致，不能只写个3 }], ], };