Vite打包组件库后空值合并运算符？？导致编译报错，如何解决？-灵析社区

使用vite打包组件库，打包出来的代码含有空值合并运算符？？ ，导致安装的项目编译报错。实在是不知道哪里配错了，救救孩子吧～～vite.config.js配置如下。babel有升级到7。。。。 import { defineConfig } from "vite"; import react from "@vitejs/plugin-react"; import { libInjectCss } from "vite-plugin-lib-inject-css"; import babel from "@rollup/plugin-babel"; import vitePluginImp from "vite-plugin-imp"; export default defineConfig({ esbuild: { loader: "jsx", }, optimizeDeps: { esbuildOptions: { loader: { ".js": "jsx", }, }, }, plugins: [ react(), babel({ babelHelpers: "bundled", exclude: /node_modules/, plugins: ["@babel/plugin-transform-nullish-coalescing-operator"], presets: [ [ "@babel/preset-env", { targets: "> 0.25%, not dead", }, ], "@babel/preset-react", ], }), libInjectCss(), ], build: { outDir: "dist/umd", lib: { formats: ["umd"], entry: "lib/main.js", name: "DadaMobileUi", fileName: (format) => `dada-mobile-ui.${format}.js`, }, rollupOptions: { external: [ "react", "react-dom", "react/jsx-runtime", "prop-types", "@nutui/nutui-react", ], output: { globals: { react: "React", "react-dom": "ReactDOM", "react/jsx-runtime": "ReactJsxRuntime", "prop-types": "PropTypes", "@nutui/nutui-react": "nutuiReact", }, }, }, }, css: { plugins: [ require("autoprefixer")({ overrideBrowserslist: [ "> 0.5%", "last 2 versions", "ie > 11", "iOS >= 10", "Android >= 5", ], }), ], }, }); 实在是不知道哪里配错了，救救孩子吧