Calculates the maximum by a given selector.

(f: (x: number) => number) => (xs: number[]) => number

maximumBy(({ age }) => age)([
  { age: 13 },
  { age: 20 },
  { age: 7 },
  { age: 18 },
]);
// ⇒ { age: 20 }

Try in REPL