Initial commit

Game/InventoryList.js

@@ -0,0 +1,41 @@
+const LinkedList = require("../Utility/LinkedList");
+
+class LinkedListNode {
+    constructor(key, value) {
+        this.key = key;
+        this.value = value;
+        this.next = null;
+    };
+};
+
+class InventoryList extends LinkedList {
+    constructor() {
+        super();
+    };
+
+    accumulateItem(key, value) {
+        const entry = this.map.get(key);
+        const updatedValue = entry ? entry.value.amount + value.amount : value;
+
+        if (entry) entry.value.amount = updatedValue;
+        else this.addItem(key, updatedValue); /// eeeh
+    }
+  
+    addItem(key, value) {  
+        if (!key || !value || !value.categoryID || !value.id || isNaN(value.amount)) return console.info("addItem", key, value);
+
+        const temp = new LinkedListNode(key, value);
+  
+        if (!this.head) {
+            this.head = temp;
+            this.tail = temp;
+        } else {
+            this.tail.next = temp;
+            this.tail = temp;
+        };
+  
+        this.map.set(key, temp);
+    }
+};
+
+module.exports = InventoryList;