clean up

src/audio/garden-audio-music.ts

@@ -1,9 +1,14 @@
-import { VibePreset } from '../vibes';
-import {
-  GardenAudioChord,
-  gardenAudioConfig,
-  GardenAudioVibeProfile,
-} from './garden-audio-config';
+import type { VibePreset } from '../vibes';
+import type { GardenAudioChord, GardenAudioVibeProfile } from './garden-audio-config';
+
+export const PITCH_SEMITONES_PER_OCTAVE = 12;
+
+const chordVoicings = {
+  majorOpen: [0, 7, 12, 16],
+  minorOpen: [0, 7, 12, 15],
+  majorClosed: [0, 4, 7, 12, 16],
+  minorClosed: [0, 3, 7, 12, 15],
+};
 
 export const getVibeProfile = (vibe: VibePreset): GardenAudioVibeProfile => vibe.audio;
 
@@ -12,14 +17,12 @@ export const getChordIntervals = (
   openVoicing: boolean
 ): Array<number> => {
   if (openVoicing) {
-    return chord.quality === 'major'
-      ? gardenAudioConfig.generativePiano.chordVoicings.majorOpen
-      : gardenAudioConfig.generativePiano.chordVoicings.minorOpen;
+    return chord.quality === 'major' ? chordVoicings.majorOpen : chordVoicings.minorOpen;
   }
 
   return chord.quality === 'major'
-    ? gardenAudioConfig.generativePiano.chordVoicings.majorClosed
-    : gardenAudioConfig.generativePiano.chordVoicings.minorClosed;
+    ? chordVoicings.majorClosed
+    : chordVoicings.minorClosed;
 };
 
 export const degreeToSemitone = (
@@ -29,7 +32,5 @@ export const degreeToSemitone = (
   const scaleIndex =
     ((degree % profile.scale.length) + profile.scale.length) % profile.scale.length;
   const octave = Math.floor(degree / profile.scale.length);
-  return (
-    profile.scale[scaleIndex] + octave * gardenAudioConfig.piano.pitchSemitonesPerOctave
-  );
+  return profile.scale[scaleIndex] + octave * PITCH_SEMITONES_PER_OCTAVE;
 };