xiao/commands/guildinfo/emoji.js

const Command = require('../../structures/Command');

module.exports = class EmojiCommand extends Command {
    constructor(client) {
        super(client, {
            name: 'emoji',
            group: 'guildinfo',
            memberName: 'emoji',
            description: 'Gives a list of the server\'s custom emoji.',
            guildOnly: true
        });
    }

    run(msg) {
        const emoji = msg.guild.emojis;
        if (!emoji.size) {
            return msg.say('You have no Custom Emoji.');
        }
        return msg.say(emoji.map((e) => e).join(''));
    }
};