mufa/lib/Mufawwad.js

Event driven programming . Useful to separate layers (View, logic,...etc)

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _Registry = require('./Registry');

var _Registry2 = _interopRequireDefault(_Registry);

var _babelAutobind = require('babel-autobind');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var Mufawwad = function () {
  function Mufawwad() {
    _classCallCheck(this, Mufawwad);

    this.registry = new _Registry2.default();
  }

  _createClass(Mufawwad, [{
    key: 'sub',
    value: function sub(event, callback) {
      var once = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      return this.registry.insert('subscriber', {
        event: event,
        callback: callback,
        once: once
      });
    }
  }, {
    key: 'pub',
    value: function pub(event) {
      var _this = this;

      for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        data[_key - 1] = arguments[_key];
      }

      var subsToRemove = [];
      this.registry.find('subscriber', function (record) {
        return record.event === event;
      }).forEach(function (record) {
        if (typeof record.callback === 'function') record.callback.apply(record, data);
        if (record.once) subsToRemove.push(record.id);
      });

      if (subsToRemove.length) subsToRemove.forEach(function (id) {
        return _this.registry.remove('subscriber', function (record) {
          return record.id === id;
        });
      });
    }
  }, {
    key: 'unsub',
    value: function unsub() {
      var _this2 = this;

      for (var _len2 = arguments.length, subscriptions = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        subscriptions[_key2] = arguments[_key2];
      }

      subscriptions.forEach(function (_ref) {
        var id = _ref.id;

        _this2.registry.remove('subscriber', function (record) {
          return record.id === id;
        });
      });
      return subscriptions;
    }
  }, {
    key: 'on',
    value: function on() {
      return this.sub.apply(this, arguments);
    }
  }, {
    key: 'one',
    value: function one() {
      return this.sub.apply(this, Array.prototype.slice.call(arguments).concat([true]));
    }
  }, {
    key: 'fire',
    value: function fire() {
      return this.pub.apply(this, arguments);
    }
  }, {
    key: 'off',
    value: function off() {
      return this.unsub.apply(this, arguments);
    }
  }]);

  return Mufawwad;
}();

exports.default = (0, _babelAutobind.Autobind)(Mufawwad);