Initial commit

src/client/actions/Action.js

@@ -0,0 +1,115 @@
+'use strict';
+
+const Partials = require('../../util/Partials');
+
+/*
+
+ABOUT ACTIONS
+
+Actions are similar to WebSocket Packet Handlers, but since introducing
+the REST API methods, in order to prevent rewriting code to handle data,
+"actions" have been introduced. They're basically what Packet Handlers
+used to be but they're strictly for manipulating data and making sure
+that WebSocket events don't clash with REST methods.
+
+*/
+
+class GenericAction {
+  constructor(client) {
+    this.client = client;
+  }
+
+  handle(data) {
+    return data;
+  }
+
+  getPayload(data, manager, id, partialType, cache) {
+    const existing = manager.cache.get(id);
+    if (!existing && this.client.options.partials.includes(partialType)) {
+      return manager._add(data, cache);
+    }
+    return existing;
+  }
+
+  getChannel(data) {
+    const id = data.channel_id ?? data.id;
+    return (
+      data.channel ??
+      this.getPayload(
+        {
+          id,
+          guild_id: data.guild_id,
+          recipients: [data.author ?? data.user ?? { id: data.user_id }],
+        },
+        this.client.channels,
+        id,
+        Partials.Channel,
+      )
+    );
+  }
+
+  getMessage(data, channel, cache) {
+    const id = data.message_id ?? data.id;
+    return (
+      data.message ??
+      this.getPayload(
+        {
+          id,
+          channel_id: channel.id,
+          guild_id: data.guild_id ?? channel.guild?.id,
+        },
+        channel.messages,
+        id,
+        Partials.Message,
+        cache,
+      )
+    );
+  }
+
+  getReaction(data, message, user) {
+    const id = data.emoji.id ?? decodeURIComponent(data.emoji.name);
+    return this.getPayload(
+      {
+        emoji: data.emoji,
+        count: message.partial ? null : 0,
+        me: user?.id === this.client.user.id,
+      },
+      message.reactions,
+      id,
+      Partials.Reaction,
+    );
+  }
+
+  getMember(data, guild) {
+    return this.getPayload(data, guild.members, data.user.id, Partials.GuildMember);
+  }
+
+  getUser(data) {
+    const id = data.user_id;
+    return data.user ?? this.getPayload({ id }, this.client.users, id, Partials.User);
+  }
+
+  getUserFromMember(data) {
+    if (data.guild_id && data.member?.user) {
+      const guild = this.client.guilds.cache.get(data.guild_id);
+      if (guild) {
+        return guild.members._add(data.member).user;
+      } else {
+        return this.client.users._add(data.member.user);
+      }
+    }
+    return this.getUser(data);
+  }
+
+  getScheduledEvent(data, guild) {
+    const id = data.guild_scheduled_event_id ?? data.id;
+    return this.getPayload(
+      { id, guild_id: data.guild_id ?? guild.id },
+      guild.scheduledEvents,
+      id,
+      Partials.GuildScheduledEvent,
+    );
+  }
+}
+
+module.exports = GenericAction;

src/client/actions/ActionsManager.js

@@ -0,0 +1,66 @@
+'use strict';
+
+class ActionsManager {
+  constructor(client) {
+    this.client = client;
+
+    this.register(require('./ChannelCreate'));
+    this.register(require('./ChannelDelete'));
+    this.register(require('./ChannelUpdate'));
+    this.register(require('./GuildBanAdd'));
+    this.register(require('./GuildBanRemove'));
+    this.register(require('./GuildChannelsPositionUpdate'));
+    this.register(require('./GuildDelete'));
+    this.register(require('./GuildEmojiCreate'));
+    this.register(require('./GuildEmojiDelete'));
+    this.register(require('./GuildEmojiUpdate'));
+    this.register(require('./GuildEmojisUpdate'));
+    this.register(require('./GuildIntegrationsUpdate'));
+    this.register(require('./GuildMemberRemove'));
+    this.register(require('./GuildMemberUpdate'));
+    this.register(require('./GuildRoleCreate'));
+    this.register(require('./GuildRoleDelete'));
+    this.register(require('./GuildRoleUpdate'));
+    this.register(require('./GuildRolesPositionUpdate'));
+    this.register(require('./GuildScheduledEventCreate'));
+    this.register(require('./GuildScheduledEventDelete'));
+    this.register(require('./GuildScheduledEventUpdate'));
+    this.register(require('./GuildScheduledEventUserAdd'));
+    this.register(require('./GuildScheduledEventUserRemove'));
+    this.register(require('./GuildStickerCreate'));
+    this.register(require('./GuildStickerDelete'));
+    this.register(require('./GuildStickerUpdate'));
+    this.register(require('./GuildStickersUpdate'));
+    this.register(require('./GuildUpdate'));
+    this.register(require('./InteractionCreate'));
+    this.register(require('./InviteCreate'));
+    this.register(require('./InviteDelete'));
+    this.register(require('./MessageCreate'));
+    this.register(require('./MessageDelete'));
+    this.register(require('./MessageDeleteBulk'));
+    this.register(require('./MessageReactionAdd'));
+    this.register(require('./MessageReactionRemove'));
+    this.register(require('./MessageReactionRemoveAll'));
+    this.register(require('./MessageReactionRemoveEmoji'));
+    this.register(require('./MessageUpdate'));
+    this.register(require('./PresenceUpdate'));
+    this.register(require('./StageInstanceCreate'));
+    this.register(require('./StageInstanceDelete'));
+    this.register(require('./StageInstanceUpdate'));
+    this.register(require('./ThreadCreate'));
+    this.register(require('./ThreadDelete'));
+    this.register(require('./ThreadListSync'));
+    this.register(require('./ThreadMemberUpdate'));
+    this.register(require('./ThreadMembersUpdate'));
+    this.register(require('./TypingStart'));
+    this.register(require('./UserUpdate'));
+    this.register(require('./VoiceStateUpdate'));
+    this.register(require('./WebhooksUpdate'));
+  }
+
+  register(Action) {
+    this[Action.name.replace(/Action$/, '')] = new Action(this.client);
+  }
+}
+
+module.exports = ActionsManager;

src/client/actions/ChannelCreate.js

@@ -0,0 +1,23 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ChannelCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const existing = client.channels.cache.has(data.id);
+    const channel = client.channels._add(data);
+    if (!existing && channel) {
+      /**
+       * Emitted whenever a guild channel is created.
+       * @event Client#channelCreate
+       * @param {GuildChannel} channel The channel that was created
+       */
+      client.emit(Events.ChannelCreate, channel);
+    }
+    return { channel };
+  }
+}
+
+module.exports = ChannelCreateAction;

src/client/actions/ChannelDelete.js

@@ -0,0 +1,23 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ChannelDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = client.channels.cache.get(data.id);
+
+    if (channel) {
+      client.channels._remove(channel.id);
+      /**
+       * Emitted whenever a channel is deleted.
+       * @event Client#channelDelete
+       * @param {DMChannel|GuildChannel} channel The channel that was deleted
+       */
+      client.emit(Events.ChannelDelete, channel);
+    }
+  }
+}
+
+module.exports = ChannelDeleteAction;

src/client/actions/ChannelUpdate.js

@@ -0,0 +1,33 @@
+'use strict';
+
+const Action = require('./Action');
+const { Channel } = require('../../structures/Channel');
+
+class ChannelUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    let channel = client.channels.cache.get(data.id);
+    if (channel) {
+      const old = channel._update(data);
+
+      if (channel.type !== data.type) {
+        const newChannel = Channel.create(this.client, data, channel.guild);
+        for (const [id, message] of channel.messages.cache) newChannel.messages.cache.set(id, message);
+        channel = newChannel;
+        this.client.channels.cache.set(channel.id, channel);
+      }
+
+      return {
+        old,
+        updated: channel,
+      };
+    } else {
+      client.channels._add(data);
+    }
+
+    return {};
+  }
+}
+
+module.exports = ChannelUpdateAction;

src/client/actions/GuildBanAdd.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildBanAdd extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    /**
+     * Emitted whenever a member is banned from a guild.
+     * @event Client#guildBanAdd
+     * @param {GuildBan} ban The ban that occurred
+     */
+    if (guild) client.emit(Events.GuildBanAdd, guild.bans._add(data));
+  }
+}
+
+module.exports = GuildBanAdd;

src/client/actions/GuildBanRemove.js

@@ -0,0 +1,25 @@
+'use strict';
+
+const Action = require('./Action');
+const GuildBan = require('../../structures/GuildBan');
+const Events = require('../../util/Events');
+
+class GuildBanRemove extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    /**
+     * Emitted whenever a member is unbanned from a guild.
+     * @event Client#guildBanRemove
+     * @param {GuildBan} ban The ban that was removed
+     */
+    if (guild) {
+      const ban = guild.bans.cache.get(data.user.id) ?? new GuildBan(client, data, guild);
+      guild.bans.cache.delete(ban.user.id);
+      client.emit(Events.GuildBanRemove, ban);
+    }
+  }
+}
+
+module.exports = GuildBanRemove;

src/client/actions/GuildChannelsPositionUpdate.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const Action = require('./Action');
+
+class GuildChannelsPositionUpdate extends Action {
+  handle(data) {
+    const client = this.client;
+
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (guild) {
+      for (const partialChannel of data.channels) {
+        const channel = guild.channels.cache.get(partialChannel.id);
+        if (channel) channel.rawPosition = partialChannel.position;
+      }
+    }
+
+    return { guild };
+  }
+}
+
+module.exports = GuildChannelsPositionUpdate;

src/client/actions/GuildDelete.js

@@ -0,0 +1,44 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    let guild = client.guilds.cache.get(data.id);
+    if (guild) {
+      if (data.unavailable) {
+        // Guild is unavailable
+        guild.available = false;
+
+        /**
+         * Emitted whenever a guild becomes unavailable, likely due to a server outage.
+         * @event Client#guildUnavailable
+         * @param {Guild} guild The guild that has become unavailable
+         */
+        client.emit(Events.GuildUnavailable, guild);
+
+        // Stops the GuildDelete packet thinking a guild was actually deleted,
+        // handles emitting of event itself
+        return;
+      }
+
+      for (const channel of guild.channels.cache.values()) this.client.channels._remove(channel.id);
+      client.voice.adapters.get(data.id)?.destroy();
+
+      // Delete guild
+      client.guilds.cache.delete(guild.id);
+
+      /**
+       * Emitted whenever a guild kicks the client or the guild is deleted/left.
+       * @event Client#guildDelete
+       * @param {Guild} guild The guild that was deleted
+       */
+      client.emit(Events.GuildDelete, guild);
+    }
+  }
+}
+
+module.exports = GuildDeleteAction;

src/client/actions/GuildEmojiCreate.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildEmojiCreateAction extends Action {
+  handle(guild, createdEmoji) {
+    const already = guild.emojis.cache.has(createdEmoji.id);
+    const emoji = guild.emojis._add(createdEmoji);
+    /**
+     * Emitted whenever a custom emoji is created in a guild.
+     * @event Client#emojiCreate
+     * @param {GuildEmoji} emoji The emoji that was created
+     */
+    if (!already) this.client.emit(Events.GuildEmojiCreate, emoji);
+    return { emoji };
+  }
+}
+
+module.exports = GuildEmojiCreateAction;

src/client/actions/GuildEmojiDelete.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildEmojiDeleteAction extends Action {
+  handle(emoji) {
+    emoji.guild.emojis.cache.delete(emoji.id);
+    /**
+     * Emitted whenever a custom emoji is deleted in a guild.
+     * @event Client#emojiDelete
+     * @param {GuildEmoji} emoji The emoji that was deleted
+     */
+    this.client.emit(Events.GuildEmojiDelete, emoji);
+    return { emoji };
+  }
+}
+
+module.exports = GuildEmojiDeleteAction;

src/client/actions/GuildEmojiUpdate.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildEmojiUpdateAction extends Action {
+  handle(current, data) {
+    const old = current._update(data);
+    /**
+     * Emitted whenever a custom emoji is updated in a guild.
+     * @event Client#emojiUpdate
+     * @param {GuildEmoji} oldEmoji The old emoji
+     * @param {GuildEmoji} newEmoji The new emoji
+     */
+    this.client.emit(Events.GuildEmojiUpdate, old, current);
+    return { emoji: current };
+  }
+}
+
+module.exports = GuildEmojiUpdateAction;

src/client/actions/GuildEmojisUpdate.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const Action = require('./Action');
+
+class GuildEmojisUpdateAction extends Action {
+  handle(data) {
+    const guild = this.client.guilds.cache.get(data.guild_id);
+    if (!guild?.emojis) return;
+
+    const deletions = new Map(guild.emojis.cache);
+
+    for (const emoji of data.emojis) {
+      // Determine type of emoji event
+      const cachedEmoji = guild.emojis.cache.get(emoji.id);
+      if (cachedEmoji) {
+        deletions.delete(emoji.id);
+        if (!cachedEmoji.equals(emoji)) {
+          // Emoji updated
+          this.client.actions.GuildEmojiUpdate.handle(cachedEmoji, emoji);
+        }
+      } else {
+        // Emoji added
+        this.client.actions.GuildEmojiCreate.handle(guild, emoji);
+      }
+    }
+
+    for (const emoji of deletions.values()) {
+      // Emoji deleted
+      this.client.actions.GuildEmojiDelete.handle(emoji);
+    }
+  }
+}
+
+module.exports = GuildEmojisUpdateAction;

src/client/actions/GuildIntegrationsUpdate.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildIntegrationsUpdate extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+    /**
+     * Emitted whenever a guild integration is updated
+     * @event Client#guildIntegrationsUpdate
+     * @param {Guild} guild The guild whose integrations were updated
+     */
+    if (guild) client.emit(Events.GuildIntegrationsUpdate, guild);
+  }
+}
+
+module.exports = GuildIntegrationsUpdate;

src/client/actions/GuildMemberRemove.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+const Status = require('../../util/Status');
+
+class GuildMemberRemoveAction extends Action {
+  handle(data, shard) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+    let member = null;
+    if (guild) {
+      member = this.getMember({ user: data.user }, guild);
+      guild.memberCount--;
+      if (member) {
+        guild.members.cache.delete(member.id);
+        /**
+         * Emitted whenever a member leaves a guild, or is kicked.
+         * @event Client#guildMemberRemove
+         * @param {GuildMember} member The member that has left/been kicked from the guild
+         */
+        if (shard.status === Status.Ready) client.emit(Events.GuildMemberRemove, member);
+      }
+      guild.voiceStates.cache.delete(data.user.id);
+    }
+    return { guild, member };
+  }
+}
+
+module.exports = GuildMemberRemoveAction;

src/client/actions/GuildMemberUpdate.js

@@ -0,0 +1,44 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+const Status = require('../../util/Status');
+
+class GuildMemberUpdateAction extends Action {
+  handle(data, shard) {
+    const { client } = this;
+    if (data.user.username) {
+      const user = client.users.cache.get(data.user.id);
+      if (!user) {
+        client.users._add(data.user);
+      } else if (!user._equals(data.user)) {
+        client.actions.UserUpdate.handle(data.user);
+      }
+    }
+
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (guild) {
+      const member = this.getMember({ user: data.user }, guild);
+      if (member) {
+        const old = member._update(data);
+        /**
+         * Emitted whenever a guild member changes - i.e. new role, removed role, nickname.
+         * @event Client#guildMemberUpdate
+         * @param {GuildMember} oldMember The member before the update
+         * @param {GuildMember} newMember The member after the update
+         */
+        if (shard.status === Status.Ready && !member.equals(old)) client.emit(Events.GuildMemberUpdate, old, member);
+      } else {
+        const newMember = guild.members._add(data);
+        /**
+         * Emitted whenever a member becomes available in a large guild.
+         * @event Client#guildMemberAvailable
+         * @param {GuildMember} member The member that became available
+         */
+        this.client.emit(Events.GuildMemberAvailable, newMember);
+      }
+    }
+  }
+}
+
+module.exports = GuildMemberUpdateAction;

src/client/actions/GuildRoleCreate.js

@@ -0,0 +1,25 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildRoleCreate extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+    let role;
+    if (guild) {
+      const already = guild.roles.cache.has(data.role.id);
+      role = guild.roles._add(data.role);
+      /**
+       * Emitted whenever a role is created.
+       * @event Client#roleCreate
+       * @param {Role} role The role that was created
+       */
+      if (!already) client.emit(Events.GuildRoleCreate, role);
+    }
+    return { role };
+  }
+}
+
+module.exports = GuildRoleCreate;

src/client/actions/GuildRoleDelete.js

@@ -0,0 +1,29 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildRoleDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+    let role;
+
+    if (guild) {
+      role = guild.roles.cache.get(data.role_id);
+      if (role) {
+        guild.roles.cache.delete(data.role_id);
+        /**
+         * Emitted whenever a guild role is deleted.
+         * @event Client#roleDelete
+         * @param {Role} role The role that was deleted
+         */
+        client.emit(Events.GuildRoleDelete, role);
+      }
+    }
+
+    return { role };
+  }
+}
+
+module.exports = GuildRoleDeleteAction;

src/client/actions/GuildRoleUpdate.js

@@ -0,0 +1,39 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildRoleUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    if (guild) {
+      let old = null;
+
+      const role = guild.roles.cache.get(data.role.id);
+      if (role) {
+        old = role._update(data.role);
+        /**
+         * Emitted whenever a guild role is updated.
+         * @event Client#roleUpdate
+         * @param {Role} oldRole The role before the update
+         * @param {Role} newRole The role after the update
+         */
+        client.emit(Events.GuildRoleUpdate, old, role);
+      }
+
+      return {
+        old,
+        updated: role,
+      };
+    }
+
+    return {
+      old: null,
+      updated: null,
+    };
+  }
+}
+
+module.exports = GuildRoleUpdateAction;

src/client/actions/GuildRolesPositionUpdate.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const Action = require('./Action');
+
+class GuildRolesPositionUpdate extends Action {
+  handle(data) {
+    const client = this.client;
+
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (guild) {
+      for (const partialRole of data.roles) {
+        const role = guild.roles.cache.get(partialRole.id);
+        if (role) role.rawPosition = partialRole.position;
+      }
+    }
+
+    return { guild };
+  }
+}
+
+module.exports = GuildRolesPositionUpdate;

src/client/actions/GuildScheduledEventCreate.js

@@ -0,0 +1,27 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildScheduledEventCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (guild) {
+      const guildScheduledEvent = guild.scheduledEvents._add(data);
+
+      /**
+       * Emitted whenever a guild scheduled event is created.
+       * @event Client#guildScheduledEventCreate
+       * @param {GuildScheduledEvent} guildScheduledEvent The created guild scheduled event
+       */
+      client.emit(Events.GuildScheduledEventCreate, guildScheduledEvent);
+
+      return { guildScheduledEvent };
+    }
+
+    return {};
+  }
+}
+
+module.exports = GuildScheduledEventCreateAction;

src/client/actions/GuildScheduledEventDelete.js

@@ -0,0 +1,31 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildScheduledEventDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    if (guild) {
+      const guildScheduledEvent = this.getScheduledEvent(data, guild);
+      if (guildScheduledEvent) {
+        guild.scheduledEvents.cache.delete(guildScheduledEvent.id);
+
+        /**
+         * Emitted whenever a guild scheduled event is deleted.
+         * @event Client#guildScheduledEventDelete
+         * @param {GuildScheduledEvent} guildScheduledEvent The deleted guild scheduled event
+         */
+        client.emit(Events.GuildScheduledEventDelete, guildScheduledEvent);
+
+        return { guildScheduledEvent };
+      }
+    }
+
+    return {};
+  }
+}
+
+module.exports = GuildScheduledEventDeleteAction;

src/client/actions/GuildScheduledEventUpdate.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildScheduledEventUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    if (guild) {
+      const oldGuildScheduledEvent = guild.scheduledEvents.cache.get(data.id)?._clone() ?? null;
+      const newGuildScheduledEvent = guild.scheduledEvents._add(data);
+
+      /**
+       * Emitted whenever a guild scheduled event gets updated.
+       * @event Client#guildScheduledEventUpdate
+       * @param {?GuildScheduledEvent} oldGuildScheduledEvent The guild scheduled event object before the update
+       * @param {GuildScheduledEvent} newGuildScheduledEvent The guild scheduled event object after the update
+       */
+      client.emit(Events.GuildScheduledEventUpdate, oldGuildScheduledEvent, newGuildScheduledEvent);
+
+      return { oldGuildScheduledEvent, newGuildScheduledEvent };
+    }
+
+    return {};
+  }
+}
+
+module.exports = GuildScheduledEventUpdateAction;

src/client/actions/GuildScheduledEventUserAdd.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildScheduledEventUserAddAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    if (guild) {
+      const guildScheduledEvent = this.getScheduledEvent(data, guild);
+      const user = this.getUser(data);
+
+      if (guildScheduledEvent && user) {
+        /**
+         * Emitted whenever a user subscribes to a guild scheduled event
+         * @event Client#guildScheduledEventUserAdd
+         * @param {GuildScheduledEvent} guildScheduledEvent The guild scheduled event
+         * @param {User} user The user who subscribed
+         */
+        client.emit(Events.GuildScheduledEventUserAdd, guildScheduledEvent, user);
+
+        return { guildScheduledEvent, user };
+      }
+    }
+
+    return {};
+  }
+}
+
+module.exports = GuildScheduledEventUserAddAction;

src/client/actions/GuildScheduledEventUserRemove.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildScheduledEventUserRemoveAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+
+    if (guild) {
+      const guildScheduledEvent = this.getScheduledEvent(data, guild);
+      const user = this.getUser(data);
+
+      if (guildScheduledEvent && user) {
+        /**
+         * Emitted whenever a user unsubscribes from a guild scheduled event
+         * @event Client#guildScheduledEventUserRemove
+         * @param {GuildScheduledEvent} guildScheduledEvent The guild scheduled event
+         * @param {User} user The user who unsubscribed
+         */
+        client.emit(Events.GuildScheduledEventUserRemove, guildScheduledEvent, user);
+
+        return { guildScheduledEvent, user };
+      }
+    }
+
+    return {};
+  }
+}
+
+module.exports = GuildScheduledEventUserRemoveAction;

src/client/actions/GuildStickerCreate.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildStickerCreateAction extends Action {
+  handle(guild, createdSticker) {
+    const already = guild.stickers.cache.has(createdSticker.id);
+    const sticker = guild.stickers._add(createdSticker);
+    /**
+     * Emitted whenever a custom sticker is created in a guild.
+     * @event Client#stickerCreate
+     * @param {Sticker} sticker The sticker that was created
+     */
+    if (!already) this.client.emit(Events.GuildStickerCreate, sticker);
+    return { sticker };
+  }
+}
+
+module.exports = GuildStickerCreateAction;

src/client/actions/GuildStickerDelete.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildStickerDeleteAction extends Action {
+  handle(sticker) {
+    sticker.guild.stickers.cache.delete(sticker.id);
+    /**
+     * Emitted whenever a custom sticker is deleted in a guild.
+     * @event Client#stickerDelete
+     * @param {Sticker} sticker The sticker that was deleted
+     */
+    this.client.emit(Events.GuildStickerDelete, sticker);
+    return { sticker };
+  }
+}
+
+module.exports = GuildStickerDeleteAction;

src/client/actions/GuildStickerUpdate.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildStickerUpdateAction extends Action {
+  handle(current, data) {
+    const old = current._update(data);
+    /**
+     * Emitted whenever a custom sticker is updated in a guild.
+     * @event Client#stickerUpdate
+     * @param {Sticker} oldSticker The old sticker
+     * @param {Sticker} newSticker The new sticker
+     */
+    this.client.emit(Events.GuildStickerUpdate, old, current);
+    return { sticker: current };
+  }
+}
+
+module.exports = GuildStickerUpdateAction;

src/client/actions/GuildStickersUpdate.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const Action = require('./Action');
+
+class GuildStickersUpdateAction extends Action {
+  handle(data) {
+    const guild = this.client.guilds.cache.get(data.guild_id);
+    if (!guild?.stickers) return;
+
+    const deletions = new Map(guild.stickers.cache);
+
+    for (const sticker of data.stickers) {
+      // Determine type of sticker event
+      const cachedSticker = guild.stickers.cache.get(sticker.id);
+      if (cachedSticker) {
+        deletions.delete(sticker.id);
+        if (!cachedSticker.equals(sticker)) {
+          // Sticker updated
+          this.client.actions.GuildStickerUpdate.handle(cachedSticker, sticker);
+        }
+      } else {
+        // Sticker added
+        this.client.actions.GuildStickerCreate.handle(guild, sticker);
+      }
+    }
+
+    for (const sticker of deletions.values()) {
+      // Sticker deleted
+      this.client.actions.GuildStickerDelete.handle(sticker);
+    }
+  }
+}
+
+module.exports = GuildStickersUpdateAction;

src/client/actions/GuildUpdate.js

@@ -0,0 +1,33 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class GuildUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    const guild = client.guilds.cache.get(data.id);
+    if (guild) {
+      const old = guild._update(data);
+      /**
+       * Emitted whenever a guild is updated - e.g. name change.
+       * @event Client#guildUpdate
+       * @param {Guild} oldGuild The guild before the update
+       * @param {Guild} newGuild The guild after the update
+       */
+      client.emit(Events.GuildUpdate, old, guild);
+      return {
+        old,
+        updated: guild,
+      };
+    }
+
+    return {
+      old: null,
+      updated: null,
+    };
+  }
+}
+
+module.exports = GuildUpdateAction;

src/client/actions/InteractionCreate.js

@@ -0,0 +1,76 @@
+'use strict';
+
+const { InteractionType, ComponentType, ApplicationCommandType } = require('discord-api-types/v9');
+const Action = require('./Action');
+const AutocompleteInteraction = require('../../structures/AutocompleteInteraction');
+const ButtonInteraction = require('../../structures/ButtonInteraction');
+const ChatInputCommandInteraction = require('../../structures/ChatInputCommandInteraction');
+const MessageContextMenuCommandInteraction = require('../../structures/MessageContextMenuCommandInteraction');
+const SelectMenuInteraction = require('../../structures/SelectMenuInteraction');
+const UserContextMenuCommandInteraction = require('../../structures/UserContextMenuCommandInteraction');
+const Events = require('../../util/Events');
+
+class InteractionCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    // Resolve and cache partial channels for Interaction#channel getter
+    this.getChannel(data);
+
+    let InteractionClass;
+    switch (data.type) {
+      case InteractionType.ApplicationCommand:
+        switch (data.data.type) {
+          case ApplicationCommandType.ChatInput:
+            InteractionClass = ChatInputCommandInteraction;
+            break;
+          case ApplicationCommandType.User:
+            InteractionClass = UserContextMenuCommandInteraction;
+            break;
+          case ApplicationCommandType.Message:
+            InteractionClass = MessageContextMenuCommandInteraction;
+            break;
+          default:
+            client.emit(
+              Events.Debug,
+              `[INTERACTION] Received application command interaction with unknown type: ${data.data.type}`,
+            );
+            return;
+        }
+        break;
+      case InteractionType.MessageComponent:
+        switch (data.data.component_type) {
+          case ComponentType.Button:
+            InteractionClass = ButtonInteraction;
+            break;
+          case ComponentType.SelectMenu:
+            InteractionClass = SelectMenuInteraction;
+            break;
+          default:
+            client.emit(
+              Events.Debug,
+              `[INTERACTION] Received component interaction with unknown type: ${data.data.component_type}`,
+            );
+            return;
+        }
+        break;
+      case InteractionType.ApplicationCommandAutocomplete:
+        InteractionClass = AutocompleteInteraction;
+        break;
+      default:
+        client.emit(Events.Debug, `[INTERACTION] Received interaction with unknown type: ${data.type}`);
+        return;
+    }
+
+    const interaction = new InteractionClass(client, data);
+
+    /**
+     * Emitted when an interaction is created.
+     * @event Client#interactionCreate
+     * @param {Interaction} interaction The interaction which was created
+     */
+    client.emit(Events.InteractionCreate, interaction);
+  }
+}
+
+module.exports = InteractionCreateAction;

src/client/actions/InviteCreate.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class InviteCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = client.channels.cache.get(data.channel_id);
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (!channel) return false;
+
+    const inviteData = Object.assign(data, { channel, guild });
+    const invite = guild.invites._add(inviteData);
+
+    /**
+     * Emitted when an invite is created.
+     * <info> This event only triggers if the client has `MANAGE_GUILD` permissions for the guild,
+     * or `MANAGE_CHANNELS` permissions for the channel.</info>
+     * @event Client#inviteCreate
+     * @param {Invite} invite The invite that was created
+     */
+    client.emit(Events.InviteCreate, invite);
+    return { invite };
+  }
+}
+
+module.exports = InviteCreateAction;

src/client/actions/InviteDelete.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Action = require('./Action');
+const Invite = require('../../structures/Invite');
+const Events = require('../../util/Events');
+
+class InviteDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = client.channels.cache.get(data.channel_id);
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (!channel) return false;
+
+    const inviteData = Object.assign(data, { channel, guild });
+    const invite = new Invite(client, inviteData);
+    guild.invites.cache.delete(invite.code);
+
+    /**
+     * Emitted when an invite is deleted.
+     * <info> This event only triggers if the client has `MANAGE_GUILD` permissions for the guild,
+     * or `MANAGE_CHANNELS` permissions for the channel.</info>
+     * @event Client#inviteDelete
+     * @param {Invite} invite The invite that was deleted
+     */
+    client.emit(Events.InviteDelete, invite);
+    return { invite };
+  }
+}
+
+module.exports = InviteDeleteAction;

src/client/actions/MessageCreate.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class MessageCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = this.getChannel(data);
+    if (channel) {
+      if (!channel.isTextBased()) return {};
+
+      const existing = channel.messages.cache.get(data.id);
+      if (existing) return { message: existing };
+      const message = channel.messages._add(data);
+      channel.lastMessageId = data.id;
+
+      /**
+       * Emitted whenever a message is created.
+       * @event Client#messageCreate
+       * @param {Message} message The created message
+       */
+      client.emit(Events.MessageCreate, message);
+
+      return { message };
+    }
+
+    return {};
+  }
+}
+
+module.exports = MessageCreateAction;

src/client/actions/MessageDelete.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class MessageDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = this.getChannel(data);
+    let message;
+    if (channel) {
+      if (!channel.isTextBased()) return {};
+
+      message = this.getMessage(data, channel);
+      if (message) {
+        channel.messages.cache.delete(message.id);
+        /**
+         * Emitted whenever a message is deleted.
+         * @event Client#messageDelete
+         * @param {Message} message The deleted message
+         */
+        client.emit(Events.MessageDelete, message);
+      }
+    }
+
+    return { message };
+  }
+}
+
+module.exports = MessageDeleteAction;

src/client/actions/MessageDeleteBulk.js

@@ -0,0 +1,44 @@
+'use strict';
+
+const { Collection } = require('@discordjs/collection');
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class MessageDeleteBulkAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = client.channels.cache.get(data.channel_id);
+
+    if (channel) {
+      if (!channel.isTextBased()) return {};
+
+      const ids = data.ids;
+      const messages = new Collection();
+      for (const id of ids) {
+        const message = this.getMessage(
+          {
+            id,
+            guild_id: data.guild_id,
+          },
+          channel,
+          false,
+        );
+        if (message) {
+          messages.set(message.id, message);
+          channel.messages.cache.delete(id);
+        }
+      }
+
+      /**
+       * Emitted whenever messages are deleted in bulk.
+       * @event Client#messageDeleteBulk
+       * @param {Collection<Snowflake, Message>} messages The deleted messages, mapped by their id
+       */
+      if (messages.size > 0) client.emit(Events.MessageBulkDelete, messages);
+      return { messages };
+    }
+    return {};
+  }
+}
+
+module.exports = MessageDeleteBulkAction;

src/client/actions/MessageReactionAdd.js

@@ -0,0 +1,55 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+const Partials = require('../../util/Partials');
+
+/*
+{ user_id: 'id',
+     message_id: 'id',
+     emoji: { name: '<27>', id: null },
+     channel_id: 'id',
+     // If originating from a guild
+     guild_id: 'id',
+     member: { ..., user: { ... } } }
+*/
+
+class MessageReactionAdd extends Action {
+  handle(data, fromStructure = false) {
+    if (!data.emoji) return false;
+
+    const user = this.getUserFromMember(data);
+    if (!user) return false;
+
+    // Verify channel
+    const channel = this.getChannel(data);
+    if (!channel?.isTextBased()) return false;
+
+    // Verify message
+    const message = this.getMessage(data, channel);
+    if (!message) return false;
+
+    // Verify reaction
+    const includePartial = this.client.options.partials.includes(Partials.Reaction);
+    if (message.partial && !includePartial) return false;
+    const reaction = message.reactions._add({
+      emoji: data.emoji,
+      count: message.partial ? null : 0,
+      me: user.id === this.client.user.id,
+    });
+    if (!reaction) return false;
+    reaction._add(user);
+    if (fromStructure) return { message, reaction, user };
+    /**
+     * Emitted whenever a reaction is added to a cached message.
+     * @event Client#messageReactionAdd
+     * @param {MessageReaction} messageReaction The reaction object
+     * @param {User} user The user that applied the guild or reaction emoji
+     */
+    this.client.emit(Events.MessageReactionAdd, reaction, user);
+
+    return { message, reaction, user };
+  }
+}
+
+module.exports = MessageReactionAdd;

src/client/actions/MessageReactionRemove.js

@@ -0,0 +1,45 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+/*
+{ user_id: 'id',
+     message_id: 'id',
+     emoji: { name: '<27>', id: null },
+     channel_id: 'id',
+     guild_id: 'id' }
+*/
+
+class MessageReactionRemove extends Action {
+  handle(data) {
+    if (!data.emoji) return false;
+
+    const user = this.getUser(data);
+    if (!user) return false;
+
+    // Verify channel
+    const channel = this.getChannel(data);
+    if (!channel?.isTextBased()) return false;
+
+    // Verify message
+    const message = this.getMessage(data, channel);
+    if (!message) return false;
+
+    // Verify reaction
+    const reaction = this.getReaction(data, message, user);
+    if (!reaction) return false;
+    reaction._remove(user);
+    /**
+     * Emitted whenever a reaction is removed from a cached message.
+     * @event Client#messageReactionRemove
+     * @param {MessageReaction} messageReaction The reaction object
+     * @param {User} user The user whose emoji or reaction emoji was removed
+     */
+    this.client.emit(Events.MessageReactionRemove, reaction, user);
+
+    return { message, reaction, user };
+  }
+}
+
+module.exports = MessageReactionRemove;

src/client/actions/MessageReactionRemoveAll.js

@@ -0,0 +1,33 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class MessageReactionRemoveAll extends Action {
+  handle(data) {
+    // Verify channel
+    const channel = this.getChannel(data);
+    if (!channel?.isTextBased()) return false;
+
+    // Verify message
+    const message = this.getMessage(data, channel);
+    if (!message) return false;
+
+    // Copy removed reactions to emit for the event.
+    const removed = message.reactions.cache.clone();
+
+    message.reactions.cache.clear();
+    this.client.emit(Events.MessageReactionRemoveAll, message, removed);
+
+    return { message };
+  }
+}
+
+/**
+ * Emitted whenever all reactions are removed from a cached message.
+ * @event Client#messageReactionRemoveAll
+ * @param {Message} message The message the reactions were removed from
+ * @param {Collection<string|Snowflake, MessageReaction>} reactions The cached message reactions that were removed.
+ */
+
+module.exports = MessageReactionRemoveAll;

src/client/actions/MessageReactionRemoveEmoji.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class MessageReactionRemoveEmoji extends Action {
+  handle(data) {
+    const channel = this.getChannel(data);
+    if (!channel?.isTextBased()) return false;
+
+    const message = this.getMessage(data, channel);
+    if (!message) return false;
+
+    const reaction = this.getReaction(data, message);
+    if (!reaction) return false;
+    if (!message.partial) message.reactions.cache.delete(reaction.emoji.id ?? reaction.emoji.name);
+
+    /**
+     * Emitted when a bot removes an emoji reaction from a cached message.
+     * @event Client#messageReactionRemoveEmoji
+     * @param {MessageReaction} reaction The reaction that was removed
+     */
+    this.client.emit(Events.MessageReactionRemoveEmoji, reaction);
+    return { reaction };
+  }
+}
+
+module.exports = MessageReactionRemoveEmoji;

src/client/actions/MessageUpdate.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const Action = require('./Action');
+
+class MessageUpdateAction extends Action {
+  handle(data) {
+    const channel = this.getChannel(data);
+    if (channel) {
+      if (!channel.isTextBased()) return {};
+
+      const { id, channel_id, guild_id, author, timestamp, type } = data;
+      const message = this.getMessage({ id, channel_id, guild_id, author, timestamp, type }, channel);
+      if (message) {
+        const old = message._update(data);
+        return {
+          old,
+          updated: message,
+        };
+      }
+    }
+
+    return {};
+  }
+}
+
+module.exports = MessageUpdateAction;

src/client/actions/PresenceUpdate.js

@@ -0,0 +1,42 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class PresenceUpdateAction extends Action {
+  handle(data) {
+    let user = this.client.users.cache.get(data.user.id);
+    if (!user && data.user.username) user = this.client.users._add(data.user);
+    if (!user) return;
+
+    if (data.user.username) {
+      if (!user._equals(data.user)) this.client.actions.UserUpdate.handle(data.user);
+    }
+
+    const guild = this.client.guilds.cache.get(data.guild_id);
+    if (!guild) return;
+
+    const oldPresence = guild.presences.cache.get(user.id)?._clone() ?? null;
+    let member = guild.members.cache.get(user.id);
+    if (!member && data.status !== 'offline') {
+      member = guild.members._add({
+        user,
+        deaf: false,
+        mute: false,
+      });
+      this.client.emit(Events.GuildMemberAvailable, member);
+    }
+    const newPresence = guild.presences._add(Object.assign(data, { guild }));
+    if (this.client.listenerCount(Events.PresenceUpdate) && !newPresence.equals(oldPresence)) {
+      /**
+       * Emitted whenever a guild member's presence (e.g. status, activity) is changed.
+       * @event Client#presenceUpdate
+       * @param {?Presence} oldPresence The presence before the update, if one at all
+       * @param {Presence} newPresence The presence after the update
+       */
+      this.client.emit(Events.PresenceUpdate, oldPresence, newPresence);
+    }
+  }
+}
+
+module.exports = PresenceUpdateAction;

src/client/actions/StageInstanceCreate.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class StageInstanceCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = this.getChannel(data);
+
+    if (channel) {
+      const stageInstance = channel.guild.stageInstances._add(data);
+
+      /**
+       * Emitted whenever a stage instance is created.
+       * @event Client#stageInstanceCreate
+       * @param {StageInstance} stageInstance The created stage instance
+       */
+      client.emit(Events.StageInstanceCreate, stageInstance);
+
+      return { stageInstance };
+    }
+
+    return {};
+  }
+}
+
+module.exports = StageInstanceCreateAction;

src/client/actions/StageInstanceDelete.js

@@ -0,0 +1,31 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class StageInstanceDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = this.getChannel(data);
+
+    if (channel) {
+      const stageInstance = channel.guild.stageInstances._add(data);
+      if (stageInstance) {
+        channel.guild.stageInstances.cache.delete(stageInstance.id);
+
+        /**
+         * Emitted whenever a stage instance is deleted.
+         * @event Client#stageInstanceDelete
+         * @param {StageInstance} stageInstance The deleted stage instance
+         */
+        client.emit(Events.StageInstanceDelete, stageInstance);
+
+        return { stageInstance };
+      }
+    }
+
+    return {};
+  }
+}
+
+module.exports = StageInstanceDeleteAction;

src/client/actions/StageInstanceUpdate.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class StageInstanceUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = this.getChannel(data);
+
+    if (channel) {
+      const oldStageInstance = channel.guild.stageInstances.cache.get(data.id)?._clone() ?? null;
+      const newStageInstance = channel.guild.stageInstances._add(data);
+
+      /**
+       * Emitted whenever a stage instance gets updated - e.g. change in topic or privacy level
+       * @event Client#stageInstanceUpdate
+       * @param {?StageInstance} oldStageInstance The stage instance before the update
+       * @param {StageInstance} newStageInstance The stage instance after the update
+       */
+      client.emit(Events.StageInstanceUpdate, oldStageInstance, newStageInstance);
+
+      return { oldStageInstance, newStageInstance };
+    }
+
+    return {};
+  }
+}
+
+module.exports = StageInstanceUpdateAction;

src/client/actions/ThreadCreate.js

@@ -0,0 +1,24 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ThreadCreateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const existing = client.channels.cache.has(data.id);
+    const thread = client.channels._add(data);
+    if (!existing && thread) {
+      /**
+       * Emitted whenever a thread is created or when the client user is added to a thread.
+       * @event Client#threadCreate
+       * @param {ThreadChannel} thread The thread that was created
+       * @param {boolean} newlyCreated Whether the thread was newly created
+       */
+      client.emit(Events.ThreadCreate, thread, data.newly_created ?? false);
+    }
+    return { thread };
+  }
+}
+
+module.exports = ThreadCreateAction;

src/client/actions/ThreadDelete.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ThreadDeleteAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const thread = client.channels.cache.get(data.id);
+
+    if (thread) {
+      client.channels._remove(thread.id);
+
+      /**
+       * Emitted whenever a thread is deleted.
+       * @event Client#threadDelete
+       * @param {ThreadChannel} thread The thread that was deleted
+       */
+      client.emit(Events.ThreadDelete, thread);
+    }
+
+    return { thread };
+  }
+}
+
+module.exports = ThreadDeleteAction;

src/client/actions/ThreadListSync.js

@@ -0,0 +1,59 @@
+'use strict';
+
+const { Collection } = require('@discordjs/collection');
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ThreadListSyncAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (!guild) return {};
+
+    if (data.channel_ids) {
+      for (const id of data.channel_ids) {
+        const channel = client.channels.resolve(id);
+        if (channel) this.removeStale(channel);
+      }
+    } else {
+      for (const channel of guild.channels.cache.values()) {
+        this.removeStale(channel);
+      }
+    }
+
+    const syncedThreads = data.threads.reduce((coll, rawThread) => {
+      const thread = client.channels._add(rawThread);
+      return coll.set(thread.id, thread);
+    }, new Collection());
+
+    for (const rawMember of Object.values(data.members)) {
+      // Discord sends the thread id as id in this object
+      const thread = client.channels.cache.get(rawMember.id);
+      if (thread) {
+        thread.members._add(rawMember);
+      }
+    }
+
+    /**
+     * Emitted whenever the client user gains access to a text or news channel that contains threads
+     * @event Client#threadListSync
+     * @param {Collection<Snowflake, ThreadChannel>} threads The threads that were synced
+     */
+    client.emit(Events.ThreadListSync, syncedThreads);
+
+    return {
+      syncedThreads,
+    };
+  }
+
+  removeStale(channel) {
+    channel.threads?.cache.forEach(thread => {
+      if (!thread.archived) {
+        this.client.channels._remove(thread.id);
+      }
+    });
+  }
+}
+
+module.exports = ThreadListSyncAction;

src/client/actions/ThreadMemberUpdate.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ThreadMemberUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    // Discord sends the thread id as id in this object
+    const thread = client.channels.cache.get(data.id);
+    if (thread) {
+      const member = thread.members.cache.get(data.user_id);
+      if (!member) {
+        const newMember = thread.members._add(data);
+        return { newMember };
+      }
+      const old = member._update(data);
+      /**
+       * Emitted whenever the client user's thread member is updated.
+       * @event Client#threadMemberUpdate
+       * @param {ThreadMember} oldMember The member before the update
+       * @param {ThreadMember} newMember The member after the update
+       */
+      client.emit(Events.ThreadMemberUpdate, old, member);
+    }
+    return {};
+  }
+}
+
+module.exports = ThreadMemberUpdateAction;

src/client/actions/ThreadMembersUpdate.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ThreadMembersUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    const thread = client.channels.cache.get(data.id);
+    if (thread) {
+      const old = thread.members.cache.clone();
+      thread.memberCount = data.member_count;
+
+      data.added_members?.forEach(rawMember => {
+        thread.members._add(rawMember);
+      });
+
+      data.removed_member_ids?.forEach(memberId => {
+        thread.members.cache.delete(memberId);
+      });
+
+      /**
+       * Emitted whenever members are added or removed from a thread. Requires `GUILD_MEMBERS` privileged intent
+       * @event Client#threadMembersUpdate
+       * @param {Collection<Snowflake, ThreadMember>} oldMembers The members before the update
+       * @param {Collection<Snowflake, ThreadMember>} newMembers The members after the update
+       */
+      client.emit(Events.ThreadMembersUpdate, old, thread.members.cache);
+    }
+    return {};
+  }
+}
+
+module.exports = ThreadMembersUpdateAction;

src/client/actions/TypingStart.js

@@ -0,0 +1,29 @@
+'use strict';
+
+const Action = require('./Action');
+const Typing = require('../../structures/Typing');
+const Events = require('../../util/Events');
+
+class TypingStart extends Action {
+  handle(data) {
+    const channel = this.getChannel(data);
+    if (!channel) return;
+
+    if (!channel.isTextBased()) {
+      this.client.emit(Events.Warn, `Discord sent a typing packet to a ${channel.type} channel ${channel.id}`);
+      return;
+    }
+
+    const user = this.getUserFromMember(data);
+    if (user) {
+      /**
+       * Emitted whenever a user starts typing in a channel.
+       * @event Client#typingStart
+       * @param {Typing} typing The typing state
+       */
+      this.client.emit(Events.TypingStart, new Typing(channel, user, data));
+    }
+  }
+}
+
+module.exports = TypingStart;

src/client/actions/UserUpdate.js

@@ -0,0 +1,35 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class UserUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    const newUser = data.id === client.user.id ? client.user : client.users.cache.get(data.id);
+    const oldUser = newUser._update(data);
+
+    if (!oldUser.equals(newUser)) {
+      /**
+       * Emitted whenever a user's details (e.g. username) are changed.
+       * Triggered by the Discord gateway events USER_UPDATE, GUILD_MEMBER_UPDATE, and PRESENCE_UPDATE.
+       * @event Client#userUpdate
+       * @param {User} oldUser The user before the update
+       * @param {User} newUser The user after the update
+       */
+      client.emit(Events.UserUpdate, oldUser, newUser);
+      return {
+        old: oldUser,
+        updated: newUser,
+      };
+    }
+
+    return {
+      old: null,
+      updated: null,
+    };
+  }
+}
+
+module.exports = UserUpdateAction;

src/client/actions/VoiceStateUpdate.js

@@ -0,0 +1,43 @@
+'use strict';
+
+const Action = require('./Action');
+const VoiceState = require('../../structures/VoiceState');
+const Events = require('../../util/Events');
+
+class VoiceStateUpdate extends Action {
+  handle(data) {
+    const client = this.client;
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (guild) {
+      // Update the state
+      const oldState =
+        guild.voiceStates.cache.get(data.user_id)?._clone() ?? new VoiceState(guild, { user_id: data.user_id });
+
+      const newState = guild.voiceStates._add(data);
+
+      // Get the member
+      let member = guild.members.cache.get(data.user_id);
+      if (member && data.member) {
+        member._patch(data.member);
+      } else if (data.member?.user && data.member.joined_at) {
+        member = guild.members._add(data.member);
+      }
+
+      // Emit event
+      if (member?.user.id === client.user.id) {
+        client.emit('debug', `[VOICE] received voice state update: ${JSON.stringify(data)}`);
+        client.voice.onVoiceStateUpdate(data);
+      }
+
+      /**
+       * Emitted whenever a member changes voice state - e.g. joins/leaves a channel, mutes/unmutes.
+       * @event Client#voiceStateUpdate
+       * @param {VoiceState} oldState The voice state before the update
+       * @param {VoiceState} newState The voice state after the update
+       */
+      client.emit(Events.VoiceStateUpdate, oldState, newState);
+    }
+  }
+}
+
+module.exports = VoiceStateUpdate;

src/client/actions/WebhooksUpdate.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class WebhooksUpdate extends Action {
+  handle(data) {
+    const client = this.client;
+    const channel = client.channels.cache.get(data.channel_id);
+    /**
+     * Emitted whenever a channel has its webhooks changed.
+     * @event Client#webhookUpdate
+     * @param {TextChannel|NewsChannel} channel The channel that had a webhook update
+     */
+    if (channel) client.emit(Events.WebhooksUpdate, channel);
+  }
+}
+
+module.exports = WebhooksUpdate;