Discord 3x3 Grid Guess Game

guessTheBox.js

/*
- NOTE TO THE READER -

This is the Discord bot command for making 3x3 grid guessing game.

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User guessing a position and responding in following structure "y x"
which y is row and x is column (e.g: 2 3 aka 2nd row 3th column) and it
converts white_square emoji into red_square or green_square depending
on the answer from randomly generated position.
*/

const { MessageEmbed } = require("discord.js-light");

module.exports = {
    name: 'guessthebox',
    category: 'game',
    cooldown: '600',
    usage: "```geiger``` Choose a position from grid to catch!",
    execute(message) {

        const rng = () => Math.floor(Math.random() * 3) + 1;
        const randomPos = [rng(), rng()];

        const filter = response => {
            return response.content && (response.author.id === message.author.id);
        };

        // We're creating our table here
        let table = [
            [1, 1], [1, 2], [1, 3],
            [2, 1], [2, 2], [2, 3],
            [3, 1], [3, 2], [3, 3]
        ]

        const embed = new MessageEmbed()
        .setDescription(table.map((el, i) => (i % 3 === 0 && i !== 0 ? '\n' : '') + ':white_medium_square:').join(' '))
        .setFooter('Pick a box and respond in format: "3 2"');
        
        message.channel.send(embed).then(mes => {
            mes.channel.awaitMessages(filter, { max: 1, time: 10000, errors: ['time'] })
                .then(collected => {
                    let answer = collected.first().content.split(' ').map(el => parseInt(el));

                    if (answer[0] === randomPos[0] && answer[1] === randomPos[1]) {
                      
                        // Random coin prizes
                        const rewards = [2000, 1500, 1200, 3800, 4600, 5700, 3000, 5000, 8000, 12000, 666, 16000, 14500, 22000, 4200, 4800, 7900, 14000, 27000, 13500];
                        const randomReward = rewards[Math.floor(Math.random() * rewards.length)];

                        embed.setDescription(table.map((el, i) => {
                            
                            // Generate new lines
                            const blank = (i % 3 === 0 && i !== 0 ? '\n' : '');

                            if (el[0] === randomPos[0] && el[1] === randomPos[1]) return blank + ':green_square:';
                            return blank + ':white_medium_square:';
                        }).join(' '));

                        mes.edit(embed);
                        message.reply('wooho, good job you did it! I reward you with **' + randomReward.toLocaleString() + ' Gems**!');

                    } else {
                        throw answer;
                    }
                })
                .catch((answer) => {

                    embed.setDescription(table.map((el, i) => {
                        const blank = (i % 3 === 0 && i !== 0 ? '\n' : '');

                        if (el[0] === answer[0] && el[1] === answer[1]) return blank + ':red_square:';
                        if (el[0] === randomPos[0] && el[1] === randomPos[1]) return blank + ':green_square:';
                        return blank + ':white_medium_square:';
                    }).join(' '));

                    mes.edit(embed);
                    let randomMsg = ['Next time maybe?', 'You couldn\'t hit the jackpot this time, captain!', 'What do you call, bad luck?', 'That was close!', 'One day mate, one day...'];
                    message.channel.send(randomMsg[Math.floor(Math.random() * randomMsg.length)]);
                })

        });

    }
}