Alternativas para enviar mensagem em um canal, então fechar o bot.

defferedPromiseTopLevelDiscord.js

import * as dotenvsafe from "dotenv-safe"
import * as Discord from "discord.js"

const createDeffered = () => {
        let d = {};
        const promise = new Promise((resolve, reject) => {
                d = { resolve, reject };
        });
        return { ...d, promise };
};

dotenvsafe.config();

const client = new Discord.Client({ intents: ["GUILDS", "GUILD_MESSAGES"] });


const metaUploader = (discordChannel) => {
        if (!discordChannel) {
                throw new Error('aaaaahhhh');
        }
        return async (msg) => {
                await discordChannel.send(msg);
        }
}

const d = createDeffered();

await client.login(process.env.DISCORD_TOKEN);
let alakazamUploader;
client.on('ready', async () => {
        alakazamUploader = metaUploader(client.channels.cache.get(process.env.DISCORD_OPS_CHANNEL_ID));
        d.resolve();
});

await d.promise;

await alakazamUploader('msg');
await alakazamUploader('outra coisa');
await client.destroy();

onReadyObjectPromise.js

import * as dotenvsafe from "dotenv-safe"
import * as Discord from "discord.js"

dotenvsafe.config();

const client = new Discord.Client({ intents: ["GUILDS", "GUILD_MESSAGES"] });


const metaUploader = (discordChannel) => {
        if (!discordChannel) {
                throw new Error('aaaaahhhh');
        }
        return async (msg) => {
                await discordChannel.send(msg);
        }
}

client.onReady = new Promise((resolve), client.on('ready') => resolve());

await client.login(process.env.DISCORD_TOKEN);
await client.onReady;

const alakazamUploader = metaUploader(client.channels.cache.get(process.env.DISCORD_OPS_CHANNEL_ID));

await alakazamUploader('msg');
await alakazamUploader('outra coisa');
await client.destroy();

promiseTopLevelDiscord.js

import * as dotenvsafe from "dotenv-safe"
import * as Discord from "discord.js"

dotenvsafe.config();

const client = new Discord.Client({ intents: ["GUILDS", "GUILD_MESSAGES"] });

const metaUploader = (discordChannel) => {
        if (!discordChannel) {
                throw new Error('aaaaahhhh');
        }
        return async (msg) => {
                await discordChannel.send(msg);
        }
}

await client.login(process.env.DISCORD_TOKEN);
const alakazamUploader = await new Promise(async (resolve, reject) => {
        client.on('ready', async () => {
                const alakazamAppUploader = metaUploader(client.channels.cache.get(process.env.DISCORD_OPS_CHANNEL_ID));
                resolve(alakazamAppUploader);
        });
});

await alakazamUploader('msg');
await alakazamUploader('outra coisa');
await client.destroy();

sendMsgEventDrivenDiscord.js

import * as dotenvsafe from "dotenv-safe"
import * as Discord from "discord.js"

dotenvsafe.config();

const client = new Discord.Client({ intents: ["GUILDS", "GUILD_MESSAGES"] });

const metaUploader = (discordChannel) => {
        if (!discordChannel) {
                throw new Error('aaaaahhhh');
        }
        return async (msg) => {
                await discordChannel.send(msg);
        }
}

await client.login(process.env.DISCORD_TOKEN);
client.on('ready', async () => {
        const alakazamUploader = metaUploader(client.channels.cache.get(process.env.DISCORD_OPS_CHANNEL_ID));
        await alakazamUploader('msg');
        await alakazamUploader('outra coisa');
        await client.destroy();
});