Normalize more gmail leading digit domains

Author: horgh

CHANGELOG.md

@@ -25,6 +25,9 @@ CHANGELOG
   become `example.com`.
 * Certain `.com` typos are now normalized to `.com` when `hashAddress` is
   used. For example, `example.cam` will become `example.com`.
+* Additional `gmail.com` domain names with leading digits are now
+  normalized when `hashAddress` is used. For example, `100gmail.com` will
+  become `gmail.com`.
 
 6.0.0 (2023-12-05)
 ------------------

src/request/email.spec.ts

@@ -188,6 +188,11 @@ describe('Email()', () => {
       md5: md5('[email protected]'),
       domain: 'example.cam',
     },
+    {
+      email: '[email protected]',
+      md5: md5('[email protected]'),
+      domain: '10000gmail.com',
+    },
   ];
 
   test.each(normalizeTests)('%p', (arg) => {

src/request/email.ts

@@ -320,6 +320,7 @@ export default class Email implements EmailProps {
       /(?:\.(?:com|c[a-z]{1,2}m|co[ln]|[dsvx]o[mn]|))$/,
       '.com'
     );
+    domain = domain.replace(/^\d+(?:gmail?\.com)$/, 'gmail.com');
 
     if (Object.prototype.hasOwnProperty.call(Email.typoDomains, domain)) {
       domain = Email.typoDomains[domain];