Remove periods from gmail.com local parts

Author: horgh

CHANGELOG.md

@@ -7,6 +7,9 @@ CHANGELOG
 * Added `PxpFinancial` and `Trustpay` to the `Processor` enum.
 * Equivalent domain names are now normalized when `hashAddress` is used.
   For example, `googlemail.com` will become `gmail.com`.
+* Periods are now removed from `gmail.com` email address local parts when
+  `hashAddress` is used. For example, `[email protected]` will become
+  `[email protected]`.
 
 6.0.0 (2023-12-05)
 ------------------

src/request/email.spec.ts

@@ -153,6 +153,11 @@ describe('Email()', () => {
       md5: md5('[email protected]'),
       domain: 'googlemail.com',
     },
+    {
+      email: '[email protected]',
+      md5: md5('[email protected]'),
+      domain: 'gmail.com',
+    },
   ];
 
   test.each(normalizeTests)('%p', (arg) => {

src/request/email.ts

@@ -102,6 +102,10 @@ export default class Email implements EmailProps {
       localPart = localPart.substring(0, separatorIndex);
     }
 
+    if (domain === 'gmail.com') {
+      localPart = localPart.replace(/\./g, '');
+    }
+
     return localPart + '@' + domain;
   }