Add TypeScript type definitions (#53)

Author: EvanHahn

CHANGELOG.md

@@ -4,6 +4,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ### Unreleased
 
+- added TypeScript type definitions
+
 ### [2.1.3] - 2025-01-31
 
 - dep(eslint): upgrade to v9

index.d.ts

@@ -0,0 +1,16 @@
+declare class Address {
+  user: string
+  host: string
+  original_host?: string
+
+  constructor(user: string, host: string)
+  constructor(email: string)
+
+  format(use_punycode?: boolean): string
+
+  address(newval?: string, use_punycode?: boolean): string
+
+  toString(): string
+}
+
+export { Address }

package.json

@@ -7,6 +7,7 @@
     "url": "http://haraka.github.io"
   },
   "main": "index.js",
+  "types": "index.d.ts",
   "homepage": "https://github.com/haraka/node-address-rfc2821",
   "keywords": [
     "email",