enlarge.js

function EnlargeImage(message) {
    const scale = parseInt((message.arguments.scale || "x4").match(/[1-8]/g)[0])

    var url;

    if (message.attachments.first()) {
        if (message.attachments.first().url) {
            url = message.attachments.first().url;
        }
    } else {
        if (message.arguments.url !== null) {
            url = message.arguments.url;
        }
    }

    if (url) {
        jimp.read(url).then(function (image) {
            var ran_code = Math.random().toString(36).substr(2, 7);

            image.resize(image.bitmap.width * scale, image.bitmap.height * scale)
                .write(path.resolve(__dirname, "../info/img-temp/" + ran_code + ".png"), function (err, written) {
                    if (err) {
                        const reply_err_read = new discord.RichEmbed()
                            .setTitle("Enlarge Image :frame_photo:")
                            .setDescription("An error occurred while trying to write the image.")
                            .setColor(0xe0552b)
                            .setFooter("v" + C_VERSION + " by weak eyes#6969", "")
                            .setTimestamp();

                        message.channel.send(reply_err_read);

                        return console.log(err);
                    }

                    message.channel.send(new discord.Attachment(fs.createReadStream(path.resolve(__dirname, "../info/img-temp/" + ran_code + ".png")), ran_code + ".png"));

                    fs.unlink(path.resolve(__dirname, "../info/img-temp/" + ran_code + ".png"), function (err) {
                        if (err) {
                            console.log(err);
                        }
                    });
                });
        }).catch(function (err) {
            console.log(err);

            const reply_err_write = new discord.RichEmbed()
                .setTitle("Enlarge Image :frame_photo:")
                .setDescription("An error occurred while trying to read the image.")
                .setColor(0xe0552b)
                .setFooter("v" + C_VERSION + " by weak eyes#6969", "")
                .setTimestamp();

            message.channel.send(reply_err_write);
        });
    } else {
        const reply_no_image = new discord.RichEmbed()
            .setTitle("Enlarge Image :frame_photo:")
            .setDescription("Please provide a URL or image attachment to enlarge.")
            .setColor(0xe0552b)
            .setFooter("v" + C_VERSION + " by weak eyes#6969", "")
            .setTimestamp();

        message.channel.send(reply_no_image);
    }
}