Created by: Vane11ope
<-- Without this fix, the tutorial of Ionic App (https://ionicframework.com/getting-started/) does not work and just throw an error like below.
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 (/path/to/node_modules/react-dev-utils/noopServiceWorkerMiddleware.js:14:26) at Layer.handle [as handle_request] (/path/to/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/path/to/node_modules/express/lib/router/index.js:317:13) at /path/to/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/path/to/node_modules/express/lib/router/index.js:335:12) at next (/path/to/node_modules/express/lib/router/index.js:275:10) at launchEditorMiddleware (/path/to/node_modules/react-dev-utils/errorOverlayMiddleware.js:20:7) at Layer.handle [as handle_request] (/path/to/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/path/to/node_modules/express/lib/router/index.js:317:13) at /path/to/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/path/to/node_modules/express/lib/router/index.js:335:12) at next (/path/to/node_modules/express/lib/router/index.js:275:10) at handleWebpackInternalMiddleware (/path/to/node_modules/react-dev-utils/evalSourceMapMiddleware.js:42:7) at Layer.handle [as handle_request] (/path/to/node_modules/express/lib/router/layer.js:95:5) -->