created password validator

validators/password.js

@@ -0,0 +1,17 @@
+const dry = require('drytypes')
+
+module.exports = dry.makeDryType((x) => {
+    if (x.length==0) {
+        return { success: false, message: 'password cannot be set empty' }
+    }
+    if(x.length>30){
+     return {success:false,message:'password length must be less than 30'} 
+    }
+    let passwordRegex = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;
+    if (!x.match(passwordRegex)) {
+        return { success: false, message: 'password must contain an uppercase letter , a lower case letter , a special character and a number' }
+    }
+
+    return { success: true }
+
+}, 'Password')