Function valueOn

valueOn<TEvent, TValue>(valueOf): ((this, input) => OnEvent<[TValue]>)
Creates an event processor that sends the values of incoming events.

Events are valued by provided value function. The null, undefined, and false values are dropped.
Type Parameters
- TEvent extends any[]
  
  Incoming event type.
- TValue
  
  Event value type.
Parameters
- valueOf: ((this, ...event) => undefined | null | false | TValue)
  
  Event value detector function. Accepts incoming event as parameters and returns either its value, or false/null/undefined to ignore it.
  - - (this, ...event): undefined | null | false | TValue
    - Parameters
      
      this: void
      
      Rest ...event: TEvent
      
      Returns undefined | null | false | TValue
Returns ((this, input) => OnEvent<[TValue]>)
New event processor.
- - (this, input): OnEvent<[TValue]>
  - Parameters
    - this: void
    - input: OnEvent<TEvent>
    Returns OnEvent<[TValue]>
- Defined in proc7ts/fun-events/src/processors/value-on.ts:18

Generated using TypeDoc