错误报告

离子版本：


[x] 5.0.0

当前行为：
一旦我创建了一个新的 Ionic React 应用程序，就会得到以下信息：错误。

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined
    at validateString (internal/validators.js:118:11)
    at Object.join (path.js:1039:7)
    at noopServiceWorkerMiddleware (/home/yunier/soft-dev/billmeapp/node_modules/react-dev-utils/noopServiceWorkerMiddleware.js:14:26)
    at Layer.handle [as handle_request] (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:317:13)
    at /home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:335:12)
    at next (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:275:10)
    at launchEditorMiddleware (/home/yunier/soft-dev/billmeapp/node_modules/react-dev-utils/errorOverlayMiddleware.js:20:7)
    at Layer.handle [as handle_request] (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:317:13)
    at /home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:335:12)
    at next (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/index.js:275:10)
    at handleWebpackInternalMiddleware (/home/yunier/soft-dev/billmeapp/node_modules/react-dev-utils/evalSourceMapMiddleware.js:42:7)
    at Layer.handle [as handle_request] (/home/yunier/soft-dev/billmeapp/node_modules/express/lib/router/layer.js:95:5)

预期行为：
能够创建一个新的 Ionic React 应用程序。

重现步骤：
创建一个新的 Ionic React 应用程序。

相关代码：
ionic start <appname> --type='react'

其他信息：

只是为了仔细检查，创建一个新的 Ubuntu VM 并安装 node.js ionic 并运行ionic start <appname> --type="react"并仍然遇到相同的错误。 如果我使用角度我没有问题。

离子信息：

Ionic:

   Ionic CLI       : 6.1.0 (/usr/local/share/.config/yarn/global/node_modules/@ionic/cli)
   Ionic Framework : @ionic/react 5.0.0

Capacitor:

   Capacitor CLI   : 1.5.0
   @capacitor/core : 1.5.0

Utility:

   cordova-res : not installed
   native-run  : not installed

System:

   NodeJS : v13.8.0 (/home/yunier/.nvm/versions/node/v13.8.0/bin/node)
   npm    : 6.13.6
   OS     : Linux 5.3