Build-up a passwordValidate code

Author: Fares-Bakhet

Sprint-3/3-stretch/password-validator.js

@@ -1,6 +1,39 @@
+// List of previously used passwords
+const passwords = ["Abc!1", "Hello#2"];
+
 function passwordValidator(password) {
-    return password.length < 5 ? false : true
-}
+  // 1. Must have at least 5 characters
+  if (password.length < 5) {
+    return false;
+  }
+
+  // 2. Must have at least one uppercase letter (A-Z)
+  if (!/[A-Z]/.test(password)) {
+    return false;
+  }
+
+  // 3. Must have at least one lowercase letter (a-z)
+  if (!/[a-z]/.test(password)) {
+    return false;
+  }
 
+  // 4. Must have at least one number (0-9)
+  if (!/[0-9]/.test(password)) {
+    return false;
+  }
+
+  // 5. Must have at least one symbol from the allowed list
+  if (!/[!#$%.*&]/.test(password)) {
+    return false;
+  }
+
+  // 6. Must not be a previously used password
+  if (passwords.includes(password)) {
+    return false;
+  }
+
+  // ✅ If all rules pass → valid
+  return true;
+}
 
-module.exports = passwordValidator;
+module.exports = passwordValidator;