enum and fixed products generation

src/modules/pathfinding.js

@@ -8,10 +8,7 @@
  * @property {IPosition} position 
  */
 
-const PATHFINDING_ACTION = {
-  ROTATE: 0,
-  MOVE: 1,
-}
+const PATHFINDING_ACTION = Enum('ROTATE', 'MOVE')
 
 
 class Pathfinding {

src/modules/products.js

@@ -11,7 +11,7 @@ class Products {
       const gridProductsAmountColumn = []
 
       for (let j = 0; j < 9; ++j) {
-        if (j % 3 != 1) {
+        if (j % 3 !== 1 && i % 7 !== 0) {
           gridProductsColumn.push(Product.RANDOM_FROM_REGISTRY());
           gridProductsAmountColumn.push(floor(random() * 51));
         } else {

src/modules/utilities.js

@@ -32,3 +32,12 @@ function waitFor(miliseconds) {
     setTimeout(() => resolve(), miliseconds);
   })
 }
+
+function Enum(...labels) {
+  const e = {}
+  let i = 0
+  for (const label of labels) {
+    e[e[label] = i] = label;
+  }
+  return e
+}