@civet/events/lib/EventReceiver.js

Civet

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isEventReceiver = exports.eventReceiverPropType = exports["default"] = void 0;
var _propTypes = _interopRequireDefault(require("prop-types"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var EventReceiver = /*#__PURE__*/function () {
  function EventReceiver() {
    _classCallCheck(this, EventReceiver);
  }
  return _createClass(EventReceiver, [{
    key: "subscribe",
    value: function subscribe(resource, options, handler) {
      if (typeof handler !== 'function') {
        throw new Error('Handler must be a function');
      }
      var unsubscribe = this.handleSubscribe(resource, options, handler);
      if (typeof unsubscribe !== 'function') {
        console.warn('EventReceiver.handleSubscribe should return a callback to cancel the subscription. Ignoring this warning may result in the execution of obsolete handlers and potential memory leaks.');
      }
      return unsubscribe;
    }
  }]);
}();
var isEventReceiver = exports.isEventReceiver = function isEventReceiver(eventReceiver) {
  return eventReceiver instanceof EventReceiver;
};
var eventReceiverPropType = exports.eventReceiverPropType = _propTypes["default"].instanceOf(EventReceiver);
var _default = exports["default"] = EventReceiver;