Module parse failed: Unexpected token (19:16)You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders| }|> ReactDOM.render(<Index />, document.getElementById('app'));|| export default Index;有大佬遇到过吗？说实话，我的 loader 和 babel 配置看了很久都没发现和官方有啥区别补充，loader 部分看到过类似的问题，但是修正后并没有解决附上链接：https://segmentfault.com/q/10...这个是 loader 配置 { test: /\.jsx?$/, use: { loader: 'babel-loader', // options: { // presets: [ // "@babel/preset-react", // "@babel/preset-env" // ] // } }, exclude: [ resolve('public'), resolve('node_modules'), ], include: [resolve('src')], }这个是 .babelrc 配置{ "presets": [ // "@babel/preset-env", // "@babel/preset-react", [ "@babel/preset-env", { "modules": false, "targets": { "browsers": ["Chrome >= 54"] } } ], [ "@babel/preset-react", { "pragma": "dom", // default pragma is React.createElement (only in classic runtime) "pragmaFrag": "DomFrag", // default is React.Fragment (only in classic runtime) "throwIfNamespace": false, // defaults to true "runtime": "classic" // defaults to classic // "importSource": "custom-jsx-library" // defaults to react (only in automatic runtime) } ], ["@babel/preset-typescript"] ], "plugins": [ // 解析识别 import 动态导入语法、 // "syntax-dynamic-import", ["@babel/plugin-syntax-dynamic-import"], // 隔离 import 引入对象和全局变量 ["@babel/plugin-transform-runtime"], // 优化修饰符 ["@babel/plugin-proposal-decorators", { "legacy": true }], // 箭头函数优化 ["@babel/plugin-proposal-class-properties", {"loose": true}], // 优化编译内容的打包 ["@babel/plugin-proposal-private-property-in-object", { "loose": true }], // 标记私有变量 ["@babel/plugin-proposal-private-methods", { "loose": true }] ]}