Initial commit

defaultState.js

@@ -0,0 +1,24 @@
+const INITIAL_STEPS = 16;
+const INITIAL_TEMPO = 76;
+const INSTRUMENTS_LENGTH = 5;
+
+const createEmptyGrid = (steps) => {
+  return Array.from({ length: INSTRUMENTS_LENGTH }, () => Array(steps).fill(false));
+};
+
+const createEmptyBassLine = (steps) => {
+    return Array.from({ length: steps }, () => []);
+}
+
+const defaultState = {
+  grid: createEmptyGrid(INITIAL_STEPS),
+  bassLine: createEmptyBassLine(INITIAL_STEPS),
+  tempo: INITIAL_TEMPO,
+  steps: INITIAL_STEPS,
+  mutes: Array(INSTRUMENTS_LENGTH).fill(false),
+  drumVolume: 1,
+  bassVolume: 0.4,
+  isPlaying: false
+};
+
+module.exports = { defaultState };