Convert to Typescript

.gitignore

@@ -4,4 +4,6 @@ node_modules/
 index.html
 song.mp3
 drums.wav
-.idea/
+.idea/
+tuna.js
+dist/

biome.json

@@ -0,0 +1,16 @@
+{
+	"$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+	"files": {
+		"ignore": ["node_modules", "dist", "tuna-min.js", "tuna.js"]
+	},
+	"linter": {
+		"enabled": true,
+		"rules": {
+			"recommended": true
+		}
+	},
+	"formatter": {
+		"enabled": true,
+		"formatWithErrors": true
+	}
+}

global.d.ts

@@ -0,0 +1,7 @@
+declare global {
+	interface Window {
+		webkitAudioContext: typeof AudioContext;
+	}
+}
+
+export type {};