Update MemoizeII.js

Author: deveshidwivedi

L-A/0014 Memoize II/MemoizeII.js

@@ -1 +1,26 @@
 
+const RES = Symbol("result");
+
+/**
+ * @param {Function} fn
+ */
+function memoize(fn) {
+    const globalCache = new Map();
+
+    return (...params) => {
+        let currentCache = globalCache;
+        for(const param of params) {
+            if (!currentCache.has(param)) {
+                currentCache.set(param, new Map());
+            }
+            currentCache = currentCache.get(param);
+        }
+
+        if (currentCache.has(RES)) return currentCache.get(RES);
+
+        const result = fn(...params);
+
+        currentCache.set(RES, result);
+        return result;
+    }
+}