const express = require('express');
const os = require('os');
const fs = require('fs');
const app = express();
const port = 8888;

let body = '';

app.post('/file', (req, res) => {

    body = '';
    req.on('data', data => {
        body += data;
    });

    req.on('end', () => {
        let dataArray = body.split(os.EOL);
        let content = dataArray.slice(dataArray.indexOf('') + 1, -2).join(os.EOL);
        fs.writeFile('file.css', content, err => {
            if (err) throw err;
            console.log('File has been saved!');
        });
    });

    res.end('ok');
})


app.listen(port, () => console.log(`Server has been started on port ${port}!`));