babel的可选链,空值合并等常用插件
@babel/plugin-proposal-optional-chaining 可选链 ?. @babel/plugin-proposal-nullish-coalescing-operator 空值合并运算符 ?? @babel/plugin-proposal-object-rest-spread 扩展运算符 ... @babel/plugin-syntax-dynamic-import 顶层import @babel/plugin-proposal-decorators 装饰器