Type alias Mapper<Element, NewElement>

Mapper<Element, NewElement>: ((element, index) => NewElement | Promise<NewElement>)

Type Parameters

Element = unknown

Source element type
NewElement = unknown

Element type returned by the mapper

Type declaration

- (element, index): NewElement | Promise<NewElement>
- Function which is called for every item in input. Expected to return a Promise or value.
  Parameters
  - element: Element
    
    Iterated element
  - index: number
    
    Index of the element in the source array
  Returns NewElement | Promise<NewElement>

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