Add additional caching and fix ready

modules/DiscordClient.js

@@ -24,12 +24,21 @@ class DiscordClient {
 				encoding: "json"
 			}
 		})
-		/** @type {import("discord-typings").User | null} */
+		/** @type {import("discord-typings").User} */
+		// @ts-ignore avoid setting as or null because we know we need to wait for ready anyways
 		this.user = null
-		/** @type {import("discord-typings").Application | null} */
+		/** @type {import("discord-typings").Application} */
+		// @ts-ignore
 		this.application = null
 		/** @type {Map<string, import("discord-typings").Channel>} */
 		this.channels = new Map()
+		/** @type {Map<string, import("discord-typings").Guild>} */
+		this.guilds = new Map()
+		/**
+		 * @type {Map<string, Array<string>>}
+		 * @private
+		 */
+		this.guildChannelMap = new Map()
 		this.cloud.on("event", this.onPacket.bind(this))
 	}
 
@@ -40,22 +49,56 @@ class DiscordClient {
 	onPacket(message) {
 		if (message.t === "READY") {
 			if (wasReadyBefore) return
+			wasReadyBefore = true
 			/** @type {import("discord-typings").ReadyPayload} */
 			const typed = message.d
 			this.user = typed.user
 			this.application = typed.application
 			console.log(`Discord logged in as ${this.user.username}#${this.user.discriminator} (${this.user.id})`)
+
+
 		} else if (message.t === "GUILD_CREATE") {
 			/** @type {import("discord-typings").Guild} */
 			const typed = message.d
+			this.guilds.set(typed.id, typed)
+			const arr = []
+			this.guildChannelMap.set(typed.id, arr)
 			for (const channel of typed.channels || []) {
+				arr.push(channel.id)
 				this.channels.set(channel.id, channel)
 			}
+
+
+		} else if (message.t === "GUILD_DELETE") {
+			/** @type {import("discord-typings").Guild} */
+			const typed = message.d
+			this.guilds.delete(typed.id)
+			const channels = this.guildChannelMap.get(typed.id)
+			if (channels) {
+				for (const id of channels) this.channels.delete(id)
+			}
+			this.guildChannelMap.delete(typed.id)
+
+
 		} else if (message.t === "CHANNEL_CREATE" || message.t === "CHANNEL_DELETE") {
 			/** @type {import("discord-typings").Channel} */
 			const typed = message.d
-			if (message.t === "CHANNEL_CREATE") this.channels.set(typed.id, typed)
+			if (message.t === "CHANNEL_CREATE") {
-			else this.channels.delete(typed.id)
+				this.channels.set(typed.id, typed)
+				if (typed["guild_id"]) { // obj[prop] notation can be used to access a property without typescript complaining that it doesn't exist on all values something can have
+					const channels = this.guildChannelMap.get(typed["guild_id"])
+					if (channels && !channels.includes(typed.id)) channels.push(typed.id)
+				}
+			} else {
+				this.channels.delete(typed.id)
+				if (typed["guild_id"]) {
+					const channels = this.guildChannelMap.get(typed["guild_id"])
+					if (channels) {
+						const previous = channels.indexOf(typed.id)
+						if (previous !== -1) channels.splice(previous, 1)
+					}
+				}
+			}
 		}
 	}
 }