fix: temporary invite & feat: InviteFlags

src/structures/ClientUser.js

@@ -47,17 +47,21 @@ class ClientUser extends User {
     if ('purchased_flags' in data) {
       /**
        * Purchased state of the client user.
-       * @type {?PurchasedFlags}
+       * @type {Readonly<PurchasedFlags>}
        */
-      this.purchasedFlags = new PurchasedFlags(data.purchased_flags || 0);
+      this.purchasedFlags = new PurchasedFlags(data.purchased_flags || 0).freeze();
+    } else {
+      this.purchasedFlags = new PurchasedFlags().freeze();
     }
 
     if ('premium_usage_flags' in data) {
       /**
        * Premium usage state of the client user.
-       * @type {?PremiumUsageFlags}
+       * @type {Readonly<PremiumUsageFlags>}
        */
       this.premiumUsageFlags = new PremiumUsageFlags(data.premium_usage_flags || 0);
+    } else {
+      this.premiumUsageFlags = new PremiumUsageFlags().freeze();
     }
 
     if ('phone' in data) {

src/structures/Invite.js

@@ -6,6 +6,7 @@ const IntegrationApplication = require('./IntegrationApplication');
 const InviteStageInstance = require('./InviteStageInstance');
 const { Error } = require('../errors');
 const { Endpoints } = require('../util/Constants');
+const InviteFlags = require('../util/InviteFlags');
 const Permissions = require('../util/Permissions');
 
 // TODO: Convert `inviter` and `channel` in this class to a getter.
@@ -242,6 +243,16 @@ class Invite extends Base {
     } else {
       this.guildScheduledEvent ??= null;
     }
+
+    if ('flags' in data) {
+      /**
+       * The flags that are applied to the invite.
+       * @type {?Readonly<InviteFlags>}
+       */
+      this.flags = new InviteFlags(data.flags).freeze();
+    } else {
+      this.flags ??= new InviteFlags().freeze();
+    }
   }
 
   /**