copy a file and paste with fs

const fs = require('fs');

// File destination.txt will be created or overwritten by default.
fs.copyFile('source.txt', 'destination.txt', (err) => {
  if (err) throw err;
  console.log('source.txt was copied to destination.txt');
});

'use strict';

import fs from 'fs';

let fileContent = 'Anything what you want';
let message = fs.writeFileSync('message.txt', fileContent);

function copyContent(fileName: string, dest: string): boolean {
  try {
    fs.copyFileSync(fileName, dest);
    console.log(dest);
    return true;
  } catch (err) {
    return false;
  }
}

console.log(copyContent('message.txt', 'destination.txt'));