feat(AllowedMentions): add support for MessageOptions#allowedMe… (#3893)

* feat(Allowed Mentions): Add support for new Allowed Mentions message options

* fix(docs): Update JSDoc for feature

* fix(apimessage): translate the propery into snake_case

* fix(typings): message mention options should be optional

* fix(docs): jsdoc typings for MessageMentionOptions

* fix(mentions): use Resolvables for MessageMentionOptions

* fix(docs): typedef for MessageMentionTypes

* Update typings/index.d.ts

Co-Authored-By: Sugden <28943913+NotSugden@users.noreply.github.com>

* fix(mentions): drop support for Resolvables

* fix(AllowedMentions): remove the whole resolve function

* fix(docs): revert change to Resolvables

Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>

src/structures/APIMessage.js

@@ -184,6 +184,7 @@ class APIMessage {
       embeds,
       username,
       avatar_url: avatarURL,
+      allowed_mentions: this.options.allowedMentions,
       flags,
     };
     return this;

src/structures/Webhook.js

@@ -84,6 +84,7 @@ class Webhook {
    * @property {boolean} [tts=false] Whether or not the message should be spoken aloud
    * @property {string} [nonce=''] The nonce for the message
    * @property {Object[]} [embeds] An array of embeds for the message
+   * @property {MessageMentionOptions} [allowedMentions] Which mentions should be parsed from the message content
    * (see [here](https://discordapp.com/developers/docs/resources/channel#embed-object) for more details)
    * @property {'none' | 'all' | 'everyone'} [disableMentions=this.client.options.disableMentions] Whether or not
    * all mentions or everyone/here mentions should be sanitized to prevent unexpected mentions

src/structures/interfaces/TextBasedChannel.js

@@ -58,6 +58,7 @@ class TextBasedChannel {
    * @property {string} [content=''] The content for the message
    * @property {MessageEmbed|Object} [embed] An embed for the message
    * (see [here](https://discordapp.com/developers/docs/resources/channel#embed-object) for more details)
+   * @property {MessageMentionOptions} [allowedMentions] Which mentions should be parsed from the message content
    * @property {'none' | 'all' | 'everyone'} [disableMentions=this.client.options.disableMentions] Whether or not
    * all mentions or everyone/here mentions should be sanitized to prevent unexpected mentions
    * @property {FileOptions[]|BufferResolvable[]} [files] Files to send with the message
@@ -67,6 +68,19 @@ class TextBasedChannel {
    * @property {UserResolvable} [reply] User to reply to (prefixes the message with a mention, except in DMs)
    */
 
+  /**
+   * Options provided to control parsing of mentions by Discord
+   * @typedef {Object} MessageMentionOptions
+   * @property {MessageMentionTypes[]} [parse] Types of mentions to be parsed
+   * @property {Snowflake[]} [users] Snowflakes of Users to be parsed as mentions
+   * @property {Snowflake[]} [roles] Snowflakes of Roles to be parsed as mentions
+   */
+
+  /**
+   * Types of mentions to enable in MessageMentionOptions
+   * @typedef {'role' | 'users' | 'everyone'} MessageMentionTypes
+   */
+
   /**
    * @typedef {Object} FileOptions
    * @property {BufferResolvable} attachment File to attach