Grunt: Register Parallel Tasks

register-parallel-tasks.js

var grunt = require("grunt");

grunt.registerParallelTasks = function(name, tasks) {
  function runParallelTasks(tasks) {                                             
    tasks.forEach(function(name) {                                             
      var task = grunt.util.spawn({ args: [name], grunt: true });            
                                                                             
      task.stdout.pipe(process.stdout);                                      
      task.stderr.pipe(process.stderr);                                      
    });                                                                        
  }               

  grunt.registerTask(name, function() {
    this.async();

    runParallelTasks(tasks);
  });
};