aurelia-kendoui-bridge/dist/commonjs/common/observer.js

A set of Telerik KendoUI wrappers for Aurelia allowing developers to easily use KendoUI components in their Aurelia application.

'use strict';

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

var _dec, _class;

var _aureliaDependencyInjection = require('aurelia-dependency-injection');

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

var Observer = exports.Observer = (_dec = (0, _aureliaDependencyInjection.transient)(), _dec(_class = function () {
  function Observer() {
    _classCallCheck(this, Observer);

    this.subscriptions = [];
  }

  Observer.prototype.notify = function notify(evt, data) {
    for (var i = 0; i < this.subscriptions.length; i++) {
      if (this.subscriptions[i].event === evt) {
        this.subscriptions[i].callback(evt, data);
      }
    }
  };

  Observer.prototype.subscribe = function subscribe(evt, cb) {
    var _this = this;

    var subscription = { event: evt, callback: cb };

    this.subscriptions.push(subscription);

    return {
      dispose: function dispose() {
        return _this.unsubscribe(subscription);
      }
    };
  };

  Observer.prototype.unsubscribe = function unsubscribe(subscription) {
    var index = this.subscriptions.indexOf(subscription);

    if (index > -1) {
      this.subscriptions.splice(index, 1);
    }
  };

  return Observer;
}()) || _class);