Function digOn_

digOn_<TInEvent, TOutEvent>(extract): ((this, input) => OnEvent<TOutEvent>)
Creates an event processor that extracts event senders from incoming events, and does not share the outgoing events supply.

The outgoing events supply is cut off once the incoming events supply do.
Type Parameters
- TInEvent extends any[]
  
  Incoming events type.
- TOutEvent extends any[]
  
  Extracted events type.
Parameters
- extract: ((this, ...event) => undefined | void | EventSupplier<TOutEvent>)
  
  A function extracting outgoing event supplier from incoming event. May return undefined when nothing extracted.
  - - (this, ...event): undefined | void | EventSupplier<TOutEvent>
    - Parameters
      
      this: void
      
      Rest ...event: TInEvent
      
      Returns undefined | void | EventSupplier<TOutEvent>
Returns ((this, input) => OnEvent<TOutEvent>)
New event processor.
- - (this, input): OnEvent<TOutEvent>
  - Parameters
    - this: void
    - input: OnEvent<TInEvent>
    Returns OnEvent<TOutEvent>
- Defined in proc7ts/fun-events/src/processors/dig-on.ts:43

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