Remove extraneous characters after .com

Author: horgh

CHANGELOG.md

@@ -20,6 +20,9 @@ CHANGELOG
 * Duplicate `.com`s are now removed from email domain names when
   `hashAddress` is used. For example, `example.com.com` will become
   `example.com`.
+* Extraneous characters after `.com` are now removed from email domain
+  names when `hashAddress` is used. For example, `example.comfoo` will
+  become `example.com`.
 
 6.0.0 (2023-12-05)
 ------------------

src/request/email.spec.ts

@@ -178,6 +178,11 @@ describe('Email()', () => {
       md5: md5('[email protected]'),
       domain: 'example.com.com',
     },
+    {
+      email: '[email protected]',
+      md5: md5('[email protected]'),
+      domain: 'example.comfoo',
+    },
   ];
 
   test.each(normalizeTests)('%p', (arg) => {

src/request/email.ts

@@ -315,6 +315,7 @@ export default class Email implements EmailProps {
     domain = punycode.toASCII(domain);
 
     domain = domain.replace(/(?:\.com){2,}$/, '.com');
+    domain = domain.replace(/\.com[^.]+$/, '.com');
 
     if (Object.prototype.hasOwnProperty.call(Email.typoDomains, domain)) {
       domain = Email.typoDomains[domain];