implement basic arkanoid version

src/keyboard.ts

@@ -1,22 +1,34 @@
 export enum Keys {
   ARROW_RIGHT = 'ArrowRight',
   ARROW_LEFT = 'ArrowLeft',
-  P = 'p',
+  p = 'p',
+  s = 's',
+  r = 'r',
 }
 
+const downKeys: Partial<Record<Keys, boolean>> = {};
 const pressedKeys: Partial<Record<Keys, boolean>> = {};
 
 document.addEventListener('keydown', e => {
+  downKeys[e.key as Keys] = true;
+});
+
+document.addEventListener('keypress', e => {
   pressedKeys[e.key as Keys] = true;
 });
 
 document.addEventListener('keyup', e => {
-  pressedKeys[e.key as Keys] = false;
+  downKeys[e.key as Keys] = false;
 });
 
 export const keyboard = {
-  pressedKeys,
+  pressedKeys: downKeys,
   isKeyPressed(key: Keys): boolean {
-    return Boolean(pressedKeys[key]);
+    const isPressed = Boolean(pressedKeys[key]);
+    pressedKeys[key] = false;
+    return isPressed;
+  },
+  isKeyDown(key: Keys): boolean {
+    return Boolean(downKeys[key]);
   },
 };