fix: allowedMentions, container, media item toJSON() for components v2 (#10852)

* fix: allowedMentions for components v2

* refactor: passing allowed_mentions

* Update packages/discord.js/src/structures/MessagePayload.js

* fix: missing UnfurledMediaItem#toJSON()

* fix: find interactive component in container

* fix: recursive flatMap

* fix: lint

* refactor: top-level function

* fix: jsdoc

* fix: jsdoc

packages/discord.js/src/structures/MessagePayload.js

@@ -248,7 +248,8 @@ class MessagePayload {
       components,
       username,
       avatar_url: avatarURL,
-      allowed_mentions: content === undefined && message_reference === undefined ? undefined : allowedMentions,
+      allowed_mentions:
+        this.isMessage && this.target.author.id !== this.target.client.user.id ? undefined : allowedMentions,
       flags,
       message_reference,
       attachments: this.options.attachments,

packages/discord.js/src/structures/UnfurledMediaItem.js

@@ -20,6 +20,14 @@ class UnfurledMediaItem {
   get url() {
     return this.data.url;
   }
+
+  /**
+   * Returns the API-compatible JSON for this media item
+   * @returns {APIUnfurledMediaItem}
+   */
+  toJSON() {
+    return { ...this.data };
+  }
 }
 
 module.exports = UnfurledMediaItem;

packages/discord.js/src/util/Components.js

@@ -214,25 +214,36 @@ function createComponentBuilder(data) {
   }
 }
 
+/**
+ * Extracts all interactive components from the component tree
+ * @param {Component|APIMessageComponent} component The component to find all interactive components in
+ * @returns {Array<Component|APIMessageComponent>}
+ * @ignore
+ */
+function extractInteractiveComponents(component) {
+  switch (component.type) {
+    case ComponentType.ActionRow:
+      return component.components;
+    case ComponentType.Section:
+      return [...component.components, component.accessory];
+    case ComponentType.Container:
+      return component.components.flatMap(extractInteractiveComponents);
+    default:
+      return [component];
+  }
+}
+
 /**
  * Finds a component by customId in nested components
  * @param {Array<Component|APIMessageComponent>} components The components to search in
  * @param {string} customId The customId to search for
  * @returns {Component|APIMessageComponent}
+ * @ignore
  */
 function findComponentByCustomId(components, customId) {
   return (
     components
-      .flatMap(component => {
-        switch (component.type) {
-          case ComponentType.ActionRow:
-            return component.components;
-          case ComponentType.Section:
-            return [...component.components, component.accessory];
-          default:
-            return [component];
-        }
-      })
+      .flatMap(extractInteractiveComponents)
       .find(component => (component.customId ?? component.custom_id) === customId) ?? null
   );
 }

packages/discord.js/typings/index.d.ts

@@ -7043,7 +7043,12 @@ export interface MessageEditAttachmentData {
 export interface MessageEditOptions extends Omit<BaseMessageOptions, 'content'> {
   content?: string | null;
   attachments?: readonly (Attachment | MessageEditAttachmentData)[];
-  flags?: BitFieldResolvable<Extract<MessageFlagsString, 'SuppressEmbeds'>, MessageFlags.SuppressEmbeds> | undefined;
+  flags?:
+    | BitFieldResolvable<
+        Extract<MessageFlagsString, 'SuppressEmbeds' | 'IsComponentsV2'>,
+        MessageFlags.SuppressEmbeds | MessageFlags.IsComponentsV2
+      >
+    | undefined;
 }
 
 export type MessageReactionResolvable = MessageReaction | Snowflake | string;