distinctUntilKeyChanged

DistinctUntilChanged on a single object field.

Signature

distinctUntilKeyChanged(key: K): MonoTypeOperatorFunction

What it does

Compares the given field of the current and previous value. If the field is unchanged, the object is dropped.

When to use

Streams of state objects: emit changes only when status, id, query, or route key changed.

See also

distinctUntilChanged, distinct