illegal operation on a directory, copyFile './source/package.json' -> '/']

Question

I am trying to copy file from source to destination getting this error

[EISDIR: illegal operation on a directory, copyFile './source/package.json' -> './'] {
  code: 'EISDIR',
  errno: -21,
  path: './source/package.json',
  syscall: 'copyFile',
  dest: './'
}

don't know where I am doing wrong.

// run `node index.js` in the terminal

const fs = require('fs');

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

here is my code https://stackblitz.com/edit/node-rwj4vr?file=source%2Fpackage.json,index.js

second concern is can we pass name attribute to replace this

{
  "name":"$name"
}

why this is not working

fs.copyFile('./source/package.json', './dest/package.json', (err) => {
  if (err) throw err;
  console.log('source.txt was copied to destination.txt');
});

expected it should create dest folder and put file there

Answer 1

Your problem is that you try to copy the file as a directory ( copyFile ref ) instead of a file, to fix it change the code to:

fs.copyFile('./source/package.json', './package.json', (err) => {
...