feat: remove datastores and implement Managers (#3696)

* Initial commit: add 5 initial managers

- Base manager
- GuildChannelManager
- MessageManager
- PresenceManager
- Reaction Manager
- Added LimitedCollection

* Add GuildEmojiManager, various fixes

* Modify some managers and add guildmembermanager

* Initial integration

* Delete old stores

* Integration part two, removed LRUCollection

- Most of the integration has been finished
- TODO typings
- Removed LRUCollection, needless sweeping

* Typings + stuff i somehow missed in ChannelManager

* LimitedCollection typings/ final changes

* Various jsdoc and syntactical fixes, Removed Util.mixin()

* tslint fix

* Grammatical and logical changes

* Delete temporary file placed by mistake

* Grammatical changes

* Add missing type

* Update jsdoc examples

* fix: ChannelManager#remove should call cache#delete not cache#remove

* fix recursive require

* Fix missed cache in util

* fix: more missed cache

* Remove accidental _fetchMany change from #3645

* fix: use .cache.delete() over .remove()

* fix: missing cache in ReactionCollector

* fix: missed cache in client

* fix: members is a collection not a manager

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

* fix: various docs and cache fixes

* fix: missed cache

* fix: missing _roles

* Final testing and debugging

* LimitedCollection: return the Collection instead of undefined on .set

* Add cache to BaseManager in typings

* Commit fixes i forgot to stage yesterday

* Update invite events

* Account for new commit

* fix: MessageReactionRemoveAll should call .cache.clear()

* fix: add .cache at various places, correct return type

* docs: remove mentions of 'store'

* Add extra documented properties to typings

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

src/client/websocket/WebSocketManager.js

@@ -408,7 +408,7 @@ class WebSocketManager extends EventEmitter {
 
     if (this.client.options.fetchAllMembers) {
       try {
-        const promises = this.client.guilds.map(guild => {
+        const promises = this.client.guilds.cache.map(guild => {
           if (guild.available) return guild.members.fetch();
           // Return empty promise if guild is unavailable
           return Promise.resolve();

src/client/websocket/handlers/CHANNEL_PINS_UPDATE.js

@@ -3,7 +3,7 @@
 const { Events } = require('../../../util/Constants');
 
 module.exports = (client, { d: data }) => {
-  const channel = client.channels.get(data.channel_id);
+  const channel = client.channels.cache.get(data.channel_id);
   const time = new Date(data.last_pin_timestamp);
 
   if (channel && !Number.isNaN(time.getTime())) {

src/client/websocket/handlers/GUILD_BAN_ADD.js

@@ -3,7 +3,7 @@
 const { Events } = require('../../../util/Constants');
 
 module.exports = (client, { d: data }) => {
-  const guild = client.guilds.get(data.guild_id);
+  const guild = client.guilds.cache.get(data.guild_id);
   const user = client.users.add(data.user);
 
   /**

src/client/websocket/handlers/GUILD_CREATE.js

@@ -3,7 +3,7 @@
 const { Events, Status } = require('../../../util/Constants');
 
 module.exports = async (client, { d: data }, shard) => {
-  let guild = client.guilds.get(data.id);
+  let guild = client.guilds.cache.get(data.id);
   if (guild) {
     if (!guild.available && !data.unavailable) {
       // A newly available guild

src/client/websocket/handlers/GUILD_MEMBERS_CHUNK.js

@@ -4,7 +4,7 @@ const { Events } = require('../../../util/Constants');
 const Collection = require('../../../util/Collection');
 
 module.exports = (client, { d: data }) => {
-  const guild = client.guilds.get(data.guild_id);
+  const guild = client.guilds.cache.get(data.guild_id);
   if (!guild) return;
   const members = new Collection();
 

src/client/websocket/handlers/GUILD_MEMBER_ADD.js

@@ -3,7 +3,7 @@
 const { Events, Status } = require('../../../util/Constants');
 
 module.exports = (client, { d: data }, shard) => {
-  const guild = client.guilds.get(data.guild_id);
+  const guild = client.guilds.cache.get(data.guild_id);
   if (guild) {
     guild.memberCount++;
     const member = guild.members.add(data);

src/client/websocket/handlers/GUILD_MEMBER_UPDATE.js

@@ -3,9 +3,9 @@
 const { Status, Events } = require('../../../util/Constants');
 
 module.exports = (client, { d: data }, shard) => {
-  const guild = client.guilds.get(data.guild_id);
+  const guild = client.guilds.cache.get(data.guild_id);
   if (guild) {
-    const member = guild.members.get(data.user.id);
+    const member = guild.members.cache.get(data.user.id);
     if (member) {
       const old = member._update(data);
       if (shard.status === Status.READY) {

src/client/websocket/handlers/READY.js

@@ -9,7 +9,7 @@ module.exports = (client, { d: data }, shard) => {
     if (!ClientUser) ClientUser = require('../../../structures/ClientUser');
     const clientUser = new ClientUser(client, data.user);
     client.user = clientUser;
-    client.users.set(clientUser.id, clientUser);
+    client.users.cache.set(clientUser.id, clientUser);
   }
 
   for (const guild of data.guilds) {

src/client/websocket/handlers/TYPING_START.js

@@ -3,8 +3,8 @@
 const { Events } = require('../../../util/Constants');
 
 module.exports = (client, { d: data }) => {
-  const channel = client.channels.get(data.channel_id);
-  const user = client.users.get(data.user_id);
+  const channel = client.channels.cache.get(data.channel_id);
+  const user = client.users.cache.get(data.user_id);
 
   if (channel && user) {
   /**