cookie store: allow explicit domain

Author: AlexCuse

src/CookieSessionStore.ts

@@ -1,6 +1,7 @@
 import { SessionStore } from "./types";
 
 export interface CookieSessionStoreOptions {
+  domain?: string;
   path?: string;
   sameSite?: "Lax" | "Strict" | "None";
   useExplicitExpiry?: boolean;
@@ -12,14 +13,14 @@ export default class CookieSessionStore implements SessionStore {
   private readonly path: string;
   private readonly sameSite: string;
   private readonly useExplicitExpiry: boolean;
+  private readonly domain: string;
 
   constructor(cookieName: string, opts: CookieSessionStoreOptions = {}) {
     this.sessionName = cookieName;
-
     this.path = !!opts.path ? `; path=${opts.path}` : "";
+    this.domain = !!opts.domain ? `; domain=${opts.domain}` : "";
     this.sameSite = !!opts.sameSite ? `; SameSite=${opts.sameSite}` : "";
     this.useExplicitExpiry = !!opts.useExplicitExpiry;
-
     if (typeof window !== "undefined") {
       this.secureFlag = window.location.protocol === "https:" ? "; secure" : "";
     }
@@ -44,7 +45,7 @@ export default class CookieSessionStore implements SessionStore {
         expiresDate.setTime(exp);
         expires = `; expires=${expiresDate.toUTCString()}`;
       }
-      document.cookie = `${this.sessionName}=${val}${this.secureFlag}${expires}${this.path}${this.sameSite}`;
+      document.cookie = `${this.sessionName}=${val}${this.secureFlag}${expires}${this.path}${this.sameSite}${this.domain}`;
     }
   }