README.md

Discord Minecraft Server Count Updator

Update the current playing text of a Discord bot with the number of players on a Minecraft Server using the Minecraft Server Status API and discord.js.

Variable	Usage
DISCORD_BOT_TOKEN	Token for the Discord bot to run
MCSERVER_ADDRESS	Address of the Minecraft server to poll

index.js

const fetch = require('node-fetch');
const Discord = require('discord.js');

const client = new Discord.Client();

client.on('ready', () =>
	console.log(`Logged in as ${client.user.tag}!`)
);

const URL = `https://api.mcsrvstat.us/2/${process.env.MCSERVER_ADDRESS}`;

const updateStatus = () => {
	if (!client.readyTimestamp) return setTimeout(updateStatus, 1000);
	console.log(URL)
	return fetch(URL)
		.then(r => r.json())
		.then(data => {
			if ('list' in data.players) return data.players.list;
			return new Array(data.players.online || 0).fill(undefined);
		})
		.then(onlinePlayers => {
			const name = `Online: ${onlinePlayers.length}`;

			const currentGame = client.user.presence.game;
			if (currentGame && currentGame.name !== name) return;

			return client.user.setActivity(name, { type: 'LISTENING' })
		});
}

setInterval(updateStatus, 60 * 5 * 1000);
updateStatus();

client.login(process.env.DISCORD_BOT_TOKEN);

package-lock.json

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  "name": "discord_mcbot",
  "version": "1.0.0",
  "lockfileVersion": 1,
  "requires": true,
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    },
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      "requires": {
        "long": "^4.0.0",
        "prism-media": "^0.0.3",
        "snekfetch": "^3.6.4",
        "tweetnacl": "^1.0.0",
        "ws": "^6.0.0"
      }
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      "requires": {
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  }
}

package.json

{
  "name": "discord_mcbot",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "node index.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "discord.js": "^11.5.1",
    "node-fetch": "^2.6.0"
  }
}