@orca-fe/hooks/lib/useEventEmitter.js

React Hooks Collections

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.EventEmitterWithHook = void 0;
exports.default = useEventEmitter;
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _react = require("react");
var _events = require("events");
/* eslint-disable @typescript-eslint/no-explicit-any,react-hooks/rules-of-hooks */
var EventEmitterWithHook = exports.EventEmitterWithHook = /*#__PURE__*/(0, _createClass2.default)(function EventEmitterWithHook() {
  var _this = this;
  (0, _classCallCheck2.default)(this, EventEmitterWithHook);
  (0, _defineProperty2.default)(this, "eventEmitter", new _events.EventEmitter());
  (0, _defineProperty2.default)(this, "emit", function (eventName) {
    var _this$eventEmitter;
    for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
      args[_key - 1] = arguments[_key];
    }
    (_this$eventEmitter = _this.eventEmitter).emit.apply(_this$eventEmitter, [eventName].concat(args));
  });
  (0, _defineProperty2.default)(this, "useSubscription", function (eventName, callback) {
    var callbackRef = (0, _react.useRef)(callback);
    callbackRef.current = callback;
    (0, _react.useEffect)(function () {
      var callbackFn = function callbackFn() {
        if (callbackRef.current) {
          callbackRef.current.apply(callbackRef, arguments);
        }
      };
      _this.eventEmitter.on(eventName, callbackFn);
      return function () {
        _this.eventEmitter.off(eventName, callbackFn);
      };
    }, []);
  });
});
function useEventEmitter() {
  var _useState = (0, _react.useState)(function () {
      return new EventEmitterWithHook();
    }),
    _useState2 = (0, _slicedToArray2.default)(_useState, 1),
    eventEmitter = _useState2[0];
  return eventEmitter;
}