npm install -g ionic cordova typescript

npm install @ionic/app-scripts@latest --save-dev

npm install --save firebase

npm install angularfire2 --save

npm install --save-dev webpack

npm install --save-dev --save-exact @ionic/cli-plugin-ionic-angular@latest

npm install array-flatten --save

ionic cordova plugin add cordova-plugin-geolocation

npm install --save @ionic-native/geolocation

npm install --save @types/googlemaps

npm install --save @ionic-native/background-geolocation

ionic cordova plugin add cordova-plugin-mauron85-background-geolocation