ng build --prod --aot --output-hashing none stuck at chunk asset optimization after Angular V 5 upgrade · Issue #8344 · angular/angular-cli · GitHub
use command ng build --prod and ng build --prod --aot,come to the same thing · Issue #6868 · angular/angular-cli · GitHub
![Cannot determine the module for class Button command: ionic cordova build ios --prod --aot - ionic-v3 - Ionic Forum Cannot determine the module for class Button command: ionic cordova build ios --prod --aot - ionic-v3 - Ionic Forum](https://global.discourse-cdn.com/ionicframework/original/3X/3/e/3e0644200701febcbb30790cfced3d7e0a0031e3.png)