feat(GuildMember): add guild avatars

src/structures/GuildMember.js

@@ -71,6 +71,15 @@ class GuildMember extends Base {
     }
 
     if ('nick' in data) this.nickname = data.nick;
+    if ('avatar' in data) {
+      /**
+       * The guild member's avatar hash
+       * @type {?string}
+       */
+      this.avatar = data.avatar;
+    } else if (typeof this.avatar !== 'string') {
+      this.avatar = null;
+    }
     if ('joined_at' in data) this.joinedTimestamp = new Date(data.joined_at).getTime();
     if ('premium_since' in data) {
       this.premiumSinceTimestamp = data.premium_since ? new Date(data.premium_since).getTime() : null;
@@ -112,6 +121,26 @@ class GuildMember extends Base {
     return this.guild.voiceStates.cache.get(this.id) ?? new VoiceState(this.guild, { user_id: this.id });
   }
 
+  /**
+   * A link to the member's guild avatar.
+   * @param {ImageURLOptions} [options={}] Options for the Image URL
+   * @returns {?string}
+   */
+  avatarURL({ format, size, dynamic } = {}) {
+    if (!this.avatar) return null;
+    return this.client.rest.cdn.GuildMemberAvatar(this.guild.id, this.id, this.avatar, format, size, dynamic);
+  }
+
+  /**
+   * A link to the member's guild avatar if they have one.
+   * Otherwise, a link to their {@link User#displayAvatarURL} will be returned.
+   * @param {ImageURLOptions} [options={}] Options for the Image URL
+   * @returns {string}
+   */
+  displayAvatarURL(options) {
+    return this.avatarURL(options) ?? this.user.displayAvatarURL(options);
+  }
+
   /**
    * The time this member joined the guild
    * @type {?Date}
@@ -323,6 +352,7 @@ class GuildMember extends Base {
       this.guild.id === member.guild.id &&
       this.joinedTimestamp === member.joinedTimestamp &&
       this.nickname === member.nickname &&
+      this.avatar === member.avatar &&
       this.pending === member.pending &&
       (this._roles === member._roles ||
         (this._roles.length === member._roles.length && this._roles.every((role, i) => role === member._roles[i])))
@@ -341,12 +371,15 @@ class GuildMember extends Base {
   }
 
   toJSON() {
-    return super.toJSON({
+    const json = super.toJSON({
       guild: 'guildId',
       user: 'userId',
       displayName: true,
       roles: true,
     });
+    json.avatarURL = this.avatarURL();
+    json.displayAvatarURL = this.displayAvatarURL();
+    return json;
   }
 
   // These are here only for documentation purposes - they are implemented by TextBasedChannel

src/util/Constants.js

@@ -49,6 +49,10 @@ exports.Endpoints = {
         if (dynamic && hash.startsWith('a_')) format = 'gif';
         return makeImageUrl(`${root}/avatars/${userId}/${hash}`, { format, size });
       },
+      GuildMemberAvatar: (guildId, memberId, hash, format = 'webp', size, dynamic = false) => {
+        if (dynamic) format = hash.startsWith('a_') ? 'gif' : format;
+        return makeImageUrl(`${root}/guilds/${guildId}/users/${memberId}/avatars/${hash}`, { format, size });
+      },
       Banner: (id, hash, format, size, dynamic = false) => {
         if (dynamic && hash.startsWith('a_')) format = 'gif';
         return makeImageUrl(`${root}/banners/${id}/${hash}`, { format, size });

typings/index.d.ts

@@ -873,6 +873,7 @@ export class GuildEmoji extends BaseGuildEmoji {
 
 export class GuildMember extends PartialTextBasedChannel(Base) {
   public constructor(client: Client, data: RawGuildMemberData, guild: Guild);
+  public avatar: string | null;
   public readonly bannable: boolean;
   public deleted: boolean;
   public readonly displayColor: number;
@@ -894,10 +895,12 @@ export class GuildMember extends PartialTextBasedChannel(Base) {
   public readonly roles: GuildMemberRoleManager;
   public user: User;
   public readonly voice: VoiceState;
+  public avatarURL(options?: ImageURLOptions): string | null;
   public ban(options?: BanOptions): Promise<GuildMember>;
   public fetch(force?: boolean): Promise<GuildMember>;
   public createDM(force?: boolean): Promise<DMChannel>;
   public deleteDM(): Promise<DMChannel>;
+  public displayAvatarURL(options?: ImageURLOptions): string;
   public edit(data: GuildMemberEditData, reason?: string): Promise<GuildMember>;
   public kick(reason?: string): Promise<GuildMember>;
   public permissionsIn(channel: GuildChannelResolvable): Readonly<Permissions>;
@@ -2296,6 +2299,14 @@ export const Constants: {
         size: AllowedImageSize,
         dynamic: boolean,
       ) => string;
+      GuildMemberAvatar: (
+        guildId: Snowflake,
+        memberId: Snowflake,
+        hash: string,
+        format?: DynamicImageFormat,
+        size?: AllowedImageSize,
+        dynamic?: boolean,
+      ) => string;
       Icon: (
         guildId: Snowflake,
         hash: string,