feat(ClientOptions): allow setting default allowedMentions (#4085)

* feat(ClientOptions): add default allowedMentions

* feat(ClientOptions): use default allowedMentions when not provided

* Update src/structures/APIMessage.js

Co-Authored-By: SpaceEEC <spaceeec@yahoo.com>

* Update src/structures/APIMessage.js

Co-Authored-By: SpaceEEC <spaceeec@yahoo.com>

* fix(ClientOptions): default allowedMentions should be undefined

Co-authored-by: SpaceEEC <spaceeec@yahoo.com>

src/structures/APIMessage.js

@@ -176,6 +176,11 @@ class APIMessage {
       flags = this.options.flags != null ? new MessageFlags(this.options.flags).bitfield : this.target.flags.bitfield;
     }
 
+    const allowedMentions =
+      typeof this.options.allowedMentions === 'undefined'
+        ? this.target.client.options.allowedMentions
+        : this.options.allowedMentions;
+
     this.data = {
       content,
       tts,
@@ -184,7 +189,7 @@ class APIMessage {
       embeds,
       username,
       avatar_url: avatarURL,
-      allowed_mentions: this.options.allowedMentions,
+      allowed_mentions: allowedMentions,
       flags,
     };
     return this;

src/util/Constants.js

@@ -22,6 +22,7 @@ const browser = (exports.browser = typeof window !== 'undefined');
  * @property {boolean} [fetchAllMembers=false] Whether to cache all guild members and users upon startup, as well as
  * upon joining a guild (should be avoided whenever possible)
  * @property {DisableMentionType} [disableMentions='none'] Default value for {@link MessageOptions#disableMentions}
+ * @property {MessageMentionOptions} [allowedMentions] Default value for {@link MessageOptions#allowedMentions}
  * @property {PartialType[]} [partials] Structures allowed to be partial. This means events can be emitted even when
  * they're missing all the data for a particular structure. See the "Partials" topic listed in the sidebar for some
  * important usage information, as partials require you to put checks in place when handling data.

typings/index.d.ts

@@ -2233,6 +2233,7 @@ declare module 'discord.js' {
     messageSweepInterval?: number;
     fetchAllMembers?: boolean;
     disableMentions?: 'none' | 'all' | 'everyone';
+    allowedMentions?: MessageMentionOptions;
     partials?: PartialTypes[];
     restWsBridgeTimeout?: number;
     restTimeOffset?: number;