index.js

const { Client } = require("discord.js");
const settings = require("./config");
const keep_alive = require('./keep_alive.js')
const client = new Client({
    intents: ["GUILDS", "GUILD_MEMBERS", "DIRECT_MESSAGES"],
});

client.on("ready", () => {
    console.log(`Bot has started, with ${client.users.cache.size} users, in ${client.channels.cache.size} channels of ${client.guilds.cache.size} guilds.`);
    // client.user.setActivity(`007_link sucks`);
});
client.on('ready', () => {
    setInterval(async () => {
        let textList = ['Fortnite', 'You', 'Coding videos', 'Donald Trump', 'The news', `Developers working on Tech Optimum`]
        var text = textList[Math.floor(Math.random() * textList.length)];
        client.user.setActivity(text, { type: 'WATCHING' })
    }, 50000) // milliseconds
});

client.on("ready", async () => {
    console.log(`Online ${client.user.tag}`);
    let guild = client.guilds.cache.get(settings.guildID);
    if (guild) {
        await guild.commands.set([
            {
                name: "setup",
                description: `setup application system in your server`,
                type: "CHAT_INPUT",
            },
            {
                name: "ping",
                description: `get ping of bot`,
                type: "CHAT_INPUT",
            },
            {
                name: "picture",
                description: `Get a random picture`,
                type:"CHAT_INPUT",
            },
        ]);
    }
    require("./application_manager")(client, settings);
});

client.login(process.env.TOKEN);