office-ui-fabric-react/lib-amd/common/BaseStore.js

Reusable React components for building experiences for Office 365.

define(["require", "exports"], function (require, exports) {
    "use strict";
    var _instanceId = 0;
    var BaseStore = (function () {
        function BaseStore() {
            this._callbacks = {};
        }
        BaseStore.prototype.subscribe = function (onChange) {
            var _this = this;
            var id = _instanceId++;
            this._callbacks[id] = onChange;
            return { dispose: function () { return delete _this._callbacks[id]; } };
        };
        BaseStore.prototype.emitChange = function () {
            for (var id in this._callbacks) {
                if (this._callbacks.hasOwnProperty(id)) {
                    this._callbacks[id]();
                }
            }
        };
        return BaseStore;
    }());
    exports.BaseStore = BaseStore;
});