An event type.
Optional isDuplicate: ((this, prior, next) => boolean)A function that checks whether the next incoming event is a duplicate of a previously reported one. Accepts a prior and next event tuples as parameters, and returns a truthy value if they are duplicates. By default, treats event tuples as duplicates if corresponding meaningful arguments are strictly equal.
Deduplicating processor of events incoming from @AfterEvent keeper.
Creates an event processor that similar events incoming from `AfterEvent keeper are not reported more than once.
The outgoing events supply is cut off once the incoming events supply do.
An event type.
An event cue type.
A function that checks whether the next incoming event is similar to previously reported one. Accepts the prior and next event cues as parameters, and returns a truthy value if those are cues of similar events.
A function that accepts an event tuple and returns its cue.
Deduplicating processor of events incoming from @AfterEvent keeper.
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Creates an event processor that ensures the same event incoming from `AfterEvent keeper is not reported twice.
The outgoing events supply is cut off once the incoming events supply do.