typings: make channelId non-nullable on MessageComponentInteraction (#6600)

src/structures/MessageComponentInteraction.js

@@ -14,6 +14,12 @@ class MessageComponentInteraction extends Interaction {
   constructor(client, data) {
     super(client, data);
 
+    /**
+     * The id of the channel this interaction was sent in
+     * @type {Snowflake}
+     * @name MessageComponentInteraction#channelId
+     */
+
     /**
      * The message to which the component was attached
      * @type {Message|APIMessage}

typings/index.d.ts

@@ -1318,6 +1318,7 @@ export class MessageComponentInteraction extends Interaction {
   public readonly component: MessageActionRowComponent | Exclude<APIMessageComponent, APIActionRowComponent> | null;
   public componentType: Exclude<MessageComponentType, 'ACTION_ROW'>;
   public customId: string;
+  public channelId: Snowflake;
   public deferred: boolean;
   public ephemeral: boolean | null;
   public message: Message | APIMessage;

typings/tests.ts

@@ -1,3 +1,4 @@
+import { APIInteractionGuildMember } from 'discord-api-types';
 import {
   ApplicationCommand,
   ApplicationCommandChoicesData,
@@ -565,6 +566,10 @@ client.on('messageCreate', message => {
 });
 
 client.on('interaction', async interaction => {
+  assertType<Snowflake | null>(interaction.guildId);
+  assertType<Snowflake | null>(interaction.channelId);
+  assertType<GuildMember | APIInteractionGuildMember | null>(interaction.member);
+
   if (!interaction.isCommand()) return;
 
   void new MessageActionRow();
@@ -583,6 +588,10 @@ client.on('interaction', async interaction => {
 
   // @ts-expect-error
   await interaction.reply({ content: 'Hi!', components: [button] });
+
+  if (interaction.isMessageComponent()) {
+    assertType<Snowflake>(interaction.channelId);
+  }
 });
 
 client.login('absolutely-valid-token');