@sammwy/milkshake/src/preprocessors/compressors.js

<p align="center"> <img src="https://raw.githubusercontent.com/sammwyy/milkshake/master/docs/milkshake.png" height="64px"> <h1 align="center">MilkShake</h1> <p align="center"> <b>Automatize Tasks, Compile, concatenate and minify automaticall

const fs = require("fs");
const imagemin = require('imagemin');
const imageminJpegtran = require('imagemin-jpegtran');
const imageminPngquant = require('imagemin-pngquant');

exports.compressImage = async (directory, target) => {
    const files = await imagemin([directory + "/*.{jpg,png}"], {
        destination: target,
        plugins: [
            imageminJpegtran({
                progressive: true
            }),
            imageminPngquant({
                quality: [0.6, 0.8]
            })
        ]
    });

    return saveBuffersToFile(files);
}

function saveBuffersToFile (list) {
    return new Promise ((resolve, reject) => {
        let count = 0;
        for (let item of list) {
            let path = item.destinationPath;
            let buffer = item.data;
    
            fs.writeFile(path, buffer, () => {
                count++;
                if (count == list.length) {
                    resolve();
                }
            });
        }
    })
}