index.js

import { readdir, readFileSync } from "fs";
import { compressBR, compressGZ, writeToFile } from "./compression.js";

const srcFolder = "./src";
const brotliFolder = "./brotli/";
const gzipFolder = "./gzip/";

/**
 * @description
 * @param {any} srcFolder
 * @param {any} err
 * @param {any} fileNames
 * @returns {any}
 */
readdir(srcFolder, (err, fileNames) => {
    //Read all files from src folder and compress it
    fileNames.forEach(function(fileName) {
        //Brotli compression
        let brCompressed = compressBR(readFileSync("src/" + fileName));
        if (brCompressed) {
            writeToFile(brotliFolder + fileName, brCompressed);
        } else {
            console.log(`Brotli compression failed for ${fileName}`);
        }

        //GZIP compression
        let gzipCompressed = compressGZ(readFileSync("src/" + fileName));
        if (gzipCompressed) {
            writeToFile(gzipFolder + fileName, gzipCompressed);
        } else {
            console.log(`GZIP compression failed for ${fileName}`);
        }
    });
});