Update index.ts

Author: masx200

trim-a-binary-search-tree/index.ts

@@ -1,12 +1,19 @@
-import {TreeNode}from"../mod.ts"
-export default trimBST
-function trimBST(root: TreeNode | null, low: number, high: number): TreeNode | null {
-if(!root)return null
+import { TreeNode } from "../mod.ts";
+export default trimBST;
+function trimBST(
+    root: TreeNode | null,
+    low: number,
+    high: number,
+): TreeNode | null {
+    if (!root) return null;
 
-if(root.val<low)return trimBST(root.right,low,high)
+    if (root.val < low) return trimBST(root.right, low, high);
 
+    if (root.val > high) return trimBST(root.left, low, high);
 
-if(root.val>high)return trimBST(root.left,low,high)
-
-return new TreeNode(root.val, trimBST(root.left,low,high), trimBST(root.right,low,high))
+    return new TreeNode(
+        root.val,
+        trimBST(root.left, low, high),
+        trimBST(root.right, low, high),
+    );
 }