Add delay to javascript method that returns promise

Question

I\'m currently trying to learn Angular 2, typescript, promises, etc. I\'ve setup a small app for developer tools and a service that just returns hard-coded data. This is to

Answer 1

Delayed result with RxJS 6

You can use the following code to delay values in RxJs 6 by n ms.

With no specific value (will emit 0)

return timer(n);

With a set value

return of(value).pipe(delay(n));

or

return timer(n).pipe(mapTo(value));

from a promise

return from(promise).pipe(delay(n));

to return a promise

put .toPromise() on any of the previous examples after the pipe.

return timer(n).toPromise();

return of(value).pipe(delay(n)).toPromise();

etc.