secure-event-emitter/react/use-listener.js

SecureEventEmitter is a tiny javascript package that uses restrict rules and mechanisms to build safer and protected event-driven architecture. It's similar to nodejs EventEmitter, but dictates stricter rules to prevent misuse.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useListener = void 0;

var _react = require("react");

var _utils = require("../utils");

var useListener = function useListener(observable) {
  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  if (!(0, _utils.isObservable)(observable)) {
    throw new TypeError('[[useListener]] first argument type must be a observable object');
  }

  (0, _react.useEffect)(function () {
    observable.on.apply(observable, args);
    return function () {
      observable.off.apply(observable, args);
    };
  }, [observable].concat(args));
};

exports.useListener = useListener;