lin3s-event-bus/dist/common/Core/EventSubscriber.js

Simple but powerful event bus written in ES2015

'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; }; }(); /*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * This file is part of the EventBusJS library.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * Copyright (c) 2016-present LIN3S <info@lin3s.com>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * For the full copyright and license information, please view the LICENSE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * file that was distributed with this source code.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * @author Beñat Espiña <benatespina@gmail.com>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * @author Mikel Tuesta <mikeltuesta@gmail.com>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      */

var _Priority = require('./Priority/Priority');

var _Priority2 = _interopRequireDefault(_Priority);

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 EventSubscriber = function () {
  function EventSubscriber(aCallback) {
    var priority = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new _Priority2.default();

    _classCallCheck(this, EventSubscriber);

    if (this.constructor.name === 'EventSubscriber') {
      throw new TypeError('Abstract class EventSubscriber cannot be instantiated directly.');
    }

    this.callback = aCallback;
    this.priority = priority;
  }

  _createClass(EventSubscriber, [{
    key: 'handle',
    value: function handle(anEvent) {
      if (!this.isSubscribedTo(anEvent)) {
        return;
      }

      this.callback(anEvent);
    }
  }, {
    key: 'isSubscribedTo',
    value: function isSubscribedTo(anEvent) {
      throw new TypeError('In order to extend EventSubscriber class you must implement isSubscribedTo method.');
    }
  }]);

  return EventSubscriber;
}();

exports.default = EventSubscriber;