Function ifDefined

ifDefined<T, R>(
mapper: Func<T, R | null | undefined>,
): Func<T | null | undefined, R | null | undefined>
Returns a mapper that invokes a function if the input is not null or not undefined.
Type Parameters
- T
- R
Parameters
- mapper: Func<T, R | null | undefined>
  A mapping function.
Returns Func<T | null | undefined, R | null | undefined>
- Defined in packages/utils/src/mapper.ts:152