Angular 2 Importing Observable Operators Angular 2 Importing Observable Operators Importing all of the RxJS operators would inhibit loading and launch times . import ' rxjsaddoperatordo By not being specific about from where , we are importing all of rxjs when saying from ' rxjs ' RxJS is a fantastic library , but a large one . As explained in the Angular 2 documentation we can create a file that imports all the operators that are required for our app only . Read Full S t o r y I m p ortingObservableOperators <| sep |> Maybe post it in rworldnews where it will get a better response ? <| sep |> Hi uberriehPlease see my response very long ones , 2 of them a little bit further down it contains eye witness accounts thanks