function argMax()

in src/toMidi.ts [87:95]

• 9 lines of code
• 3 McCabe index (conditional complexity)

function argMax(arr: number[]): Optional<number> {
  return arr.length === 0
    ? null
    : arr.reduce(
        (maxIndex, currentValue, index) =>
          arr[maxIndex] > currentValue ? maxIndex : index,
        -1,
      );
}