js

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

const  { SHA3 } = require("sha3")

const ignore = ["node_modules"]

const rstream = f => new Promise( (resolve, reject) => {
    const readStream = fs.createReadStream(f, {highWaterMark: 1024*1024 });

    const data = []
    readStream.on('data', (chunk) => {
        data.push(chunk)
    })

    readStream.on('end', () => {
        resolve(data)
    })

    readStream.on('error', (err) => {
        reject(err)
    })
})

const getHash = (entry, data) => {
    const hash = new SHA3(256);
    hash.update(Buffer.concat(data))
    console.log(entry, hash.digest('hex'))
}

const procEntry = async entry =>{
    let statEntry = fs.statSync(entry)
    if(statEntry.isFile()){
        try{
            let data = await rstream(entry)
            getHash(entry, data)
        }
        catch(e){
            console.log(e)
        }

    }
    else if (statEntry.isDirectory()){
        console.log(entry)
        for(let e of fs.readdirSync(entry)) {
            if(!ignore.includes(e))
                procEntry(path.join(entry, "\\", e))
        }
    }
}

try{
    for(let entry of fs.readdirSync(".")) if(!ignore.includes(entry)) procEntry(entry)
}
catch(e){
    console.error(e.message)
}