From ccf4400fa9f4c634f25517cc790d964c6dcbde63 Mon Sep 17 00:00:00 2001
From: Shirley Fang <fangyixuan0123@gmail.com>
Date: Sat, 14 Oct 2023 10:49:12 -0400
Subject: [PATCH] Added temporary placeholder test

---
 palindrome.test.ts | 13 +++++++++++++
 palindrome.ts      |  5 +++++
 2 files changed, 18 insertions(+)
 create mode 100644 palindrome.test.ts
 create mode 100644 palindrome.ts

diff --git a/palindrome.test.ts b/palindrome.test.ts
new file mode 100644
index 0000000..3448525
--- /dev/null
+++ b/palindrome.test.ts
@@ -0,0 +1,13 @@
+import { isPalindrome } from './palindrome';
+
+describe('isPalindrome', () => {
+    it('should return true for palindromic strings', () => {
+        expect(isPalindrome('radar')).toBe(true);
+        expect(isPalindrome('A man, a plan, a canal, Panama!')).toBe(true);
+    });
+
+    it('should return false for non-palindromic strings', () => {
+        expect(isPalindrome('hello')).toBe(false);
+        expect(isPalindrome('OpenAI')).toBe(false);
+    });
+});
diff --git a/palindrome.ts b/palindrome.ts
new file mode 100644
index 0000000..1db029a
--- /dev/null
+++ b/palindrome.ts
@@ -0,0 +1,5 @@
+export const isPalindrome = (s: string): boolean => {
+    const cleanedString = s.replace(/[^A-Za-z0-9]/g, '').toLowerCase();
+    const reversedString = cleanedString.split('').reverse().join('');
+    return cleanedString === reversedString;
+};