Ionic:
ionic (Ionic CLI) : 4.10.1 Ionic Framework : @ionic/angular 4.0.0 @angular-devkit/build-angular : 0.12.4 @angular-devkit/schematics : 7.2.4 @angular/cli : 7.2.4 @ionic/angular-toolkit : 1.3.0
System:
NodeJS : v11.9.0 npm : 6.5.0 OS : macOS Mojave