Arrow functions

Author: janza

lib/game.js

@@ -28,16 +28,12 @@ const ball = (x, y, level, id) => {
 const PendingBalls = (leftLevel, rightLevel) => {
   var rotation = 0
   var position = 5
+
   const leftBall = ball(0, 0, leftLevel)
   const rightBall = ball(0, 0, rightLevel)
 
-  function isVertical () {
-    return position === 1 || position === 3
-  }
-
-  function maxLeft () {
-    return isVertical() ? 0 : 1
-  }
+  const isVertical = () => position === 1 || position === 3
+  const maxLeft = () => isVertical() ? 0 : 1
 
   function moveLeft () {
     position = Math.max(maxLeft(), position - 1)