out-of-your-element/modules/DiscordClient.js

106 lines
3.3 KiB
JavaScript

const { SnowTransfer } = require("snowtransfer")
const { Client: CloudStorm } = require("cloudstorm")
let wasReadyBefore = false
class DiscordClient {
/**
* @param {string} discordToken
*/
constructor(discordToken) {
this.discordToken = discordToken
this.snow = new SnowTransfer(discordToken)
this.cloud = new CloudStorm(discordToken, {
shards: "auto",
reconnect: true,
snowtransferInstance: this.snow,
intents: [
"DIRECT_MESSAGES", "DIRECT_MESSAGE_REACTIONS", "DIRECT_MESSAGE_TYPING",
"GUILDS", "GUILD_EMOJIS_AND_STICKERS", "GUILD_MESSAGES", "GUILD_MESSAGE_REACTIONS", "GUILD_MESSAGE_TYPING", "GUILD_WEBHOOKS",
"MESSAGE_CONTENT"
],
ws: {
compress: false,
encoding: "json"
}
})
/** @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} */
// @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))
}
/**
* @param {import("cloudstorm").IGatewayMessage} message
* @private
*/
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 (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)
}
}
}
}
}
}
module.exports = DiscordClient