Transpile started not finished

#1

Hi I have a problem when I am running the command ionic serves -b or ionic serves --lab
It’s no more than the transpile started.

Ionic:

ionic (Ionic CLI) : 4.6.0 (/usr/local/lib/node_modules/ionic)
Ionic Framework : ionic-angular 3.9.2
@ionic/app-scripts : 3.2.1

Cordova:

cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
Cordova Platforms : android 7.1.1, ios 4.5.5
Cordova Plugins : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 2.3.1, (and 14 other plugins)

System:

ios-deploy : 2.0.0
ios-sim : 5.0.13
NodeJS : v8.12.0 (/usr/local/bin/node)
npm : 6.4.1
OS : macOS Mojave
Xcode : Xcode 10.1 Build version 10B61

ionic-app-scripts serve --address 0.0.0.0 --port 8100 --livereload-port 35729 --dev-logger-port 53703 --nobrowser
[app-scripts] [12:31:39] ionic-app-scripts 3.2.1
[app-scripts] [12:31:39] watch started …
[app-scripts] [12:31:39] build dev started …
[app-scripts] [12:31:39] clean started …
[app-scripts] [12:31:39] clean finished in 1 ms
[app-scripts] [12:31:39] copy started …
[app-scripts] [12:31:40] deeplinks started …
[app-scripts] [12:31:40] deeplinks finished in 200 ms
[app-scripts] [12:31:40] transpile started …