output is not tty

  node.js, question

Use command`
node –v8-options | grep harmony
Looking at the new features of nodejs's es6 implementation, the output is
output is not tty

The issue of git bash
The reason this doesn’t work as expected appears to be that git bash is passing the command through to the Windows cmd shell, and not handling the output stream correctly
References
Can be run in power shellnode --v8-options | Select-String "harmony"