Unable to write file '/Users/xbios/react_final/gaurish/src/rock.js' (NoPermissions (FileSystemError): Error: EACCES: permission denied, open '/Users/xbios/react_final/gaurish/src/rock.js') code example
Example: NoPermissions (FileSystemError): Error: EACCES: permission denied, open '/var/www/html/index.html'
$ sudo chown -R <user-name> <directory-name>