discord-image-generation/src/module/utils/mirror.js

discord-image-generation is a powerful module that allow you to generate awesome images.

const jimp = require(`jimp`);
const { validateURL } = require(`../functions`);
module.exports = class Mirror {
    async getImage(image, horizontal = true, vertical = false) {
        if (!image) return console.error(`You must provide an image as a first argument.`);
        let isValid = await validateURL(image);
        if (!isValid) return console.error(`You must provide a valid image URL or buffer.`);
        image = await jimp.read(image);
        image.flip(horizontal, vertical);
        return await image.getBufferAsync(`image/png`);
    }
};