utils, fixes

src/Linked List/234. Palindrome Linked List.ts

@@ -10,16 +10,7 @@
  *  Time Complexity: O(n), Space Complexity: O(1)
  */
 
-class ListNode {
-  val: number;
-  next: ListNode | null;
-  constructor(val?: number, next?: ListNode | null) {
-    this.val = val === undefined ? 0 : val;
-    this.next = next === undefined ? null : next;
-  }
-}
-
-function isPalindrome(head: ListNode | null): boolean {
+function isLinkedListPalindrome(head: ListNode | null): boolean {
   let slow = head;
   let fast = head;
 

src/data-structures.ts

@@ -0,0 +1,8 @@
+class ListNode {
+  val: number;
+  next: ListNode | null;
+  constructor(val?: number, next?: ListNode | null) {
+    this.val = val === undefined ? 0 : val;
+    this.next = next === undefined ? null : next;
+  }
+}

tsconfig.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "target": "ES2017",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules"]
+}