chore: add validation for birthday format

Author: codebytere

contacts.mm

@@ -190,6 +190,20 @@ CNAuthorizationStatus AuthStatus() {
     [contact setFamilyName:[NSString stringWithUTF8String:nick_name.c_str()]];
   }
 
+  if(contact_data.Has("birthday")) {
+    std::string birth_day = contact_data.Get("birthday").As<Napi::String>().Utf8Value();
+    NSString *bday = [NSString stringWithUTF8String:birth_day.c_str()];
+    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
+    [formatter setDateFormat:@"yyyy-MM-dd"];
+
+    NSDate *bday_date = [formatter dateFromString:bday];
+
+    NSCalendar *cal = [NSCalendar currentCalendar];
+    unsigned unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit |  NSDayCalendarUnit;
+    NSDateComponents *birthday_components = [cal components:unitFlags fromDate:bday_date];
+    [contact setBirthday:birthday_components];
+  }
+
   CNSaveRequest *request = [[CNSaveRequest alloc] init];
   [request addContact:contact toContainerWithIdentifier:nil];
   bool success = [addressBook executeSaveRequest:request error:nil];

index.js

@@ -8,11 +8,12 @@ function getContactsByName(name) {
 
 function addNewContact(contact) {
   if (!contact || Object.keys(contact).length === 0) {
-    throw new TypeError('contact must be a nonempty object')
+    throw new TypeError('contact must be a non-empty object')
   } else {
     const hasFirstName = contact.hasOwnProperty('firstName')
     const hasLastName = contact.hasOwnProperty('lastName')
     const hasNickname = contact.hasOwnProperty('nickname')
+    const hasBirthday = contact.hasOwnProperty('birthday')
     const hasPhoneNumbers = contact.hasOwnProperty('phoneNumbers')
     const hasPostalAddresses = contact.hasOwnProperty('postalAddresses')
     const hasEmailAddresses = contact.hasOwnProperty('emailAddresses')
@@ -23,6 +24,15 @@ function addNewContact(contact) {
     if (hasPhoneNumbers && !Array.isArray(contact.phoneNumbers)) throw new TypeError('phoneNumbers must be an array')
     if (hasPostalAddresses && !Array.isArray(contact.postalAddresses)) throw new TypeError('postalAddresses must be an array')
     if (hasEmailAddresses && !Array.isArray(contact.emailAddresses)) throw new TypeError('emailAddresses must be an array')
+
+    if (hasBirthday) {
+      const datePattern = /^\d{4}\-(0[1-9]|1[012])\-(0[1-9]|[12][0-9]|3[01])$/
+      if (typeof contact.birthday !== 'string') {
+        throw new TypeError('birthday must be a string')
+      } else if (!contact.birthday.match(datePattern)) {
+        throw new Error('birthday must use YYYY-MM-DD format')
+      }
+    }
   }
 
   return contacts.addNewContact.call(this, contact)