A Selector derives some sub-part or computed value from a RootState in a
@watchable/store Store. Object.is(prev, next) is normally used to compare
with the previous resultfrom the same Selector to monitor if some part has
changed, defining when app logic should be re-run.
A Selector derives some sub-part or computed value from a RootState in a @watchable/store Store.
Object.is(prev, next)is normally used to compare with the previous resultfrom the same Selector to monitor if some part has changed, defining when app logic should be re-run.