fix: peek() method in stack.ts

feat: new constant to store the current stack
code-differently · Oct 23, 2024 · 6175f1b · 6175f1b
1 parent 295e936
commit 6175f1b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lesson_12/structs_ts/src/stack.ts b/lesson_12/structs_ts/src/stack.ts
@@ -27,8 +27,8 @@ export class Stack {
     if (this.isEmpty()) {
       return null;
     } 
-
-    return this.top!.val;
+    const currentTop = this.top;
+    return currentTop ? currentTop.val : null;
   }
 
   isEmpty(): boolean {