const terminal = require('which-terminal');
//=> { program: String, command: String } or null

if (terminal) {
  console.log('Using %s [cmd=%s]', terminal.program, terminal.command);
}
// Running in Hyper:
//=> "Using: hyper [cmd=/opt/Hyper/hyper]"

// Running in GNOME Terminal:
//=> "Using: gnome-terminal [cmd=gnome-terminal]"

// Running in Terminator:
//=> "Using: terminator [cmd=/usr/bin/terminator]"