rm-dir.js

function clearDirectorySync(dirAbsPath) {
    const fs = require('fs'); // Node.js package for working with file system (required).

    const rmDirContent = function rmDir(dirAbsPath) {
        if (!fs.existsSync(dirAbsPath)) {
            return;
        }

        const dirContent = fs.readdirSync(dirAbsPath);
        if (!dirContent.length) return;

        dirContent.forEach((el) => {
            const pathToElement = `${dirAbsPath}/${el}`;
            const isDirectory = fs.lstatSync(pathToElement).isDirectory();

            if (isDirectory) {
                rmDir(pathToElement);
                fs.rmdirSync(pathToElement);
            } else {
                fs.unlinkSync(pathToElement);
            }
        });
    };

    rmDirContent(dirAbsPath);
}