为什么' NPM开始'命令不起作用?
我刚刚使用'npx create-react-app创建了一个新的React应用程序。 “在一个空文件夹中,此后,当我尝试使用'npm start'启动应用程序时,我得到了此错误:
(node:9068)[dep_webpack_dev_server_server_on_after_setup_setup_middleware] exprecationWarning:'onaftersetupmiddleware'onaftersetupmiddleware''onaftersetUpecationWarning''onaftersetupmiddle'optect offececed ofececed ofececed ofecececed。请使用“ setupmiddlewares”选项。 (使用节点 - trace-deprectation ...
显示在创建警告的位置) (节点:9068)[dep_webpack_dev_server_on_before_setup_middleware] evelecationwarning:'onbeforeSetupmiddleware'''''''''请使用“ setupmiddlewares”选项。 在此处输入图像描述
有什么解决方案吗?
I just created a new react app using ' npx create-react-app . ' in an empty folder, after that when I tried to start the application using ' npm start ' I got this error :
(node:9068) [DEP_WEBPACK_DEV_SERVER_ON_AFTER_SETUP_MIDDLEWARE] DeprecationWarning: 'onAfterSetupMiddleware' option is deprecated. Please use the 'setupMiddlewares' option.
(Use node --trace-deprecation ...
to show where the warning was created)
(node:9068) [DEP_WEBPACK_DEV_SERVER_ON_BEFORE_SETUP_MIDDLEWARE] DeprecationWarning: 'onBeforeSetupMiddleware' option is deprecated. Please use the 'setupMiddlewares' option.
enter image description here
Any solution?
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