Grunt Task for node

gistfile1.js

module.exports = function(grunt) {

  grunt.loadNpmTasks('grunt-exec');
  grunt.loadNpmTasks('grunt-shell');
  grunt.loadNpmTasks('grunt-contrib-watch');


  // Project configuration.
  grunt.initConfig({
    watch: {
      node: {
        files: ['lib/front/*.js'],
        tasks: 'stopNode startNode'
      }
    }
  });
  
  var nodeChild;
  grunt.registerTask('startNode', function() {
    var sp = require('child_process').spawn;
    nodeChild = sp('node', ['dep']);
    console.log('Started node on pid: ' + nodeChild.pid);
    nodeChild.stdout.on('data', function (data) {
      console.log('stdout: ' + data);
    });

    nodeChild.stderr.on('data', function (data) {
      console.log('stderr: ' + data);
    });

    nodeChild.on('exit', function (code) {
      console.log('child process exited with code ' + code);
    });
  });
  grunt.registerTask('stopNode', function() {
    nodeChild.kill(9);
  });
  
};