按照官网就是显示的做的contentBase报错。。。。。。。
Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.
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options has an unknown property 'contentBase'. These properties are valid: object { allowedHosts?, bonjour?, client?, compress?, devMiddleware?, headers?, historyApiFallback?, host?, hot?, http2?, https?, ipc?, liveReload?, magicHtml?, onAfterSetupMiddleware?, onBeforeSetupMiddleware?, onListening?, open?, port?, proxy?, setupExitSignals?, static?, watchFiles?, webSocketServer? }
解决方法:
devServer:{ static:'./dist', // contentBase: path.join(__dirname, "dist"), open: true, },