feat(Guild#fetch): withCount param (#4111)

src/structures/Guild.js

@@ -305,6 +305,26 @@ class Guild extends Base {
      */
     if (typeof data.max_presences !== 'undefined') this.maximumPresences = data.max_presences || 25000;
 
+    /**
+     * The approximate amount of members the guild has
+     * <info>You will need to fetch the guild using {@link Guild#fetch} if you want to receive this parameter</info>
+     * @type {?number}
+     * @name Guild#approximateMemberCount
+     */
+    if (typeof data.approximate_member_count !== 'undefined') {
+      this.approximateMemberCount = data.approximate_member_count;
+    }
+
+    /**
+     * The approximate amount of presences the guild has
+     * <info>You will need to fetch the guild using {@link Guild#fetch} if you want to receive this parameter</info>
+     * @type {?number}
+     * @name Guild#approximatePresenceCount
+     */
+    if (typeof data.approximate_presence_count !== 'undefined') {
+      this.approximatePresenceCount = data.approximate_presence_count;
+    }
+
     /**
      * The vanity URL code of the guild, if any
      * @type {?string}
@@ -593,7 +613,7 @@ class Guild extends Base {
   fetch() {
     return this.client.api
       .guilds(this.id)
-      .get()
+      .get({ query: { with_counts: true } })
       .then(data => {
         this._patch(data);
         return this;

typings/index.d.ts

@@ -588,6 +588,8 @@ declare module 'discord.js' {
     public afkChannelID: Snowflake | null;
     public afkTimeout: number;
     public applicationID: Snowflake | null;
+    public approximateMemberCount?: number;
+    public approximatePresenceCount?: number;
     public available: boolean;
     public banner: string | null;
     public channels: GuildChannelManager;