main.js

var util = require('util');
var EventEmitter = require('events').EventEmitter;

var Receiver = require('./lib/Receiver');
var Spawn = require('./lib/Spawn');
var Stream = require('./lib/Stream');

util.inherits(MultiView, EventEmitter);


function MultiView(opts) {
  if (!(this instanceof MultiView)) {
    return new MultiView(opts);
  }

  EventEmitter.call(this);
  this.opts = opts || {};
  this.receiver = null;
  this.streams = [];
}

MultiView.prototype.spawn = function(command, args, opts) {
  checkReceiver(this);

  if (!Array.isArray(args) && typeof args === 'object') {
    opts = args;
    args = [];
  } else {
    opts = opts || {};
  }

  var stdout = opts.stdout;
  var name = opts.name || command + (args ? ' ' + args.join(' ') : '');
  var stream;

  if (!opts.silent) {
    stream = opts.stream || this.stream(name, !!opts.silent);
  }

  return new Spawn(stream, command, args, name, stdout);
};

MultiView.prototype.stream = function(name, silent) {
  checkReceiver(this);

  var _this = this;
  var stream = new Stream(this, name, silent);

  this.streams.push(stream);

  stream.on('exit', function(code) {
    _this.emit('exit', stream, code);
  });

  return stream;
};


function checkReceiver(mv) {
  if (mv.receiver === null) {
    mv.receiver = new Receiver(mv.opts);
  }
}

module.exports = MultiView;