function constrainFrequency()

in src/toMidi.ts [257:282]

• 25 lines of code
• 7 McCabe index (conditional complexity)

function constrainFrequency(
  onsets: number[][],
  frames: number[][],
  maxFreq: Optional<number>,
  minFreq: Optional<number>,
) {
  if (maxFreq) {
    const maxFreqIdx = hzToMidi(maxFreq) - MIDI_OFFSET;
    for (let i = 0; i < onsets.length; i++) {
      onsets[i].fill(0, maxFreqIdx);
    }
    for (let i = 0; i < frames.length; i++) {
      frames[i].fill(0, maxFreqIdx);
    }
  }

  if (minFreq) {
    const minFreqIdx = hzToMidi(minFreq) - MIDI_OFFSET;
    for (let i = 0; i < onsets.length; i++) {
      onsets[i].fill(0, 0, minFreqIdx);
    }
    for (let i = 0; i < frames.length; i++) {
      frames[i].fill(0, 0, minFreqIdx);
    }
  }
}