Type Alias TransformerCallback<TInput, TOutput>

TransformerCallback: (input: TInput, index: number) => TOutput

Transformer callback, used to convert transformed value to its final value.

Type Parameters

TInput extends TransformerPrimitive
Transformer input primitive type.
TOutput
Transformer output type.

Type declaration

- (input: TInput, index: number): TOutput
- Parameters
  - input: TInput
    Input value.
  - index: number
    Index in sequence (0 for single transformation).
  Returns TOutput
  Output value.