gistfile1.js

var blessed = require('blessed')
  , contrib = require('blessed-contrib')
  , screen = blessed.screen();

var grid = new contrib.grid({rows: 12, cols: 12, screen: screen});
var tree = grid.set(0, 0, 4, 4, contrib.tree, {label: 'Commands'});

//allow control the table with the keyboard
tree.focus();
var log = grid.set(4, 2, 2, 2, contrib.log,
  {
    label: 'Server Log'
  });

log.log("new log line")
tree.on('select', function (node) {
  log.log(node.name);
  if (node.myCustomProperty){
    log.log(node.myCustomProperty);
  }

  //log.log(JSON.stringify(node));
});

// you can specify a name property at root level to display root
tree.setData(
  {
    extended: true,
    children: {
      'Server': {
        children: {
          'add': {},
          'remove': {}
        }
      }
    }

  })

screen.key(['escape', 'q', 'C-c'], function (ch, key) {
  return process.exit(0);
});


screen.render();