Script to copy files recursively

copy.js

const fs = require('fs')
const path = require('path')
const mkdir = require('mkdirp')

const src = path.join(__dirname, 'source')
const dest = path.join(__dirname, 'destination')

function copyFile(src, dest) {
    return new Promise(function (resolve, reject) {
        let hasFinished = false
        function handleCopyFailed(error) {
            if (hasFinished) return
            hasFinished = true

            if (typeof read.close === 'function')
                read.close()

            if (typeof write.close === 'function')
                write.close()

            return reject(error)
        }

        var read = fs.createReadStream(src)
        var write = fs.createWriteStream(dest, {flags: 'w'})

        read.on('error', handleCopyFailed)
        write.on('error', handleCopyFailed)

        write.on('finish', () => {
            hasFinished = true
            resolve()
        })
        read.pipe(write)
    })
}

async function copy(src, dest) {
    console.log(src, '->', dest)
    const stats = fs.statSync(src)

    if (stats.isDirectory()) {
        await mkdir(dest)
        const files = fs.readdirSync(src)
        for (let name of files) {
            await copy(path.join(src, name), path.join(dest, name))
        }
    }
    else await copyFile(src, dest)
}

copy(src, dest)
    .then((results) => console.info('Copied'))
    .catch((error) => console.error('Copy failed:', error))