Function mapFilter

mapFilter<TValue, TReturn>(items, fn): Exclude<TReturn, undefined>[]
Iterates over an array, applying a provided function to each element. If the function returns a defined value, that value is pushed into a result array. This filters out undefined values from the transformation.
Type Parameters
- TValue extends any[]
  The type of elements in the input array.
- TReturn
  The type of elements in the returned array.
Parameters
- items: TValue
  The array of items to process.
- fn: ((item) => TReturn)
  A function that takes an item of the array and returns a new value or undefined.
  - - (item): TReturn
    - Parameters
      item: TValue[number]
      Returns TReturn
Returns Exclude<TReturn, undefined>[]
An array of transformed items where the transformation function returned a defined value.
- Defined in src/mappers.ts:13

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