Raw event for master branch

raw-master.js

// Taken from: https://raw.githubusercontent.com/discordjs/guide/master/code_samples/popular-topics/reactions/raw-event.js

const Discord = require('discord.js');
const client = new Discord.Client();

client.on('ready', () => {
	console.log('Ready!');
});

const events = {
	MESSAGE_REACTION_ADD: 'messageReactionAdd',
	MESSAGE_REACTION_REMOVE: 'messageReactionRemove',
};

client.on('raw', async event => {
	if (!events.hasOwnProperty(event.t)) return;

	const { d: data } = event;
	const user = client.users.get(data.user_id);
	const channel = client.channels.get(data.channel_id) || await user.createDM();

	if (channel.messages.has(data.message_id)) return;

	const message = await channel.messages.fetch(data.message_id);
	const emojiKey = data.emoji.id || data.emoji.name;
	const reaction = message.reactions.get(emojiKey) || message.reactions.add(data);

	client.emit(events[event.t], reaction, user);
	if (message.reactions.size === 1) message.reactions.delete(emojiKey);
});

client.on('messageReactionAdd', (reaction, user) => {
	console.log(`${user.username} reacted with "${reaction.emoji.name}".`);
});

client.on('messageReactionRemove', (reaction, user) => {
	console.log(`${user.username} removed their "${reaction.emoji.name}" reaction.`);
});

client.login('your-token-goes-here');