@pmwcs/base/dist/utils/emitter.js

PMWCS base module

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

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

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var EventEmitter = /*#__PURE__*/function () {
  function EventEmitter() {
    _classCallCheck(this, EventEmitter);

    this.events_ = {};
  }

  _createClass(EventEmitter, [{
    key: "on",
    value: function on(event, cb) {
      this.events_ = this.events_ || {};
      this.events_[event] = this.events_[event] || [];
      this.events_[event].push(cb);
    }
  }, {
    key: "off",
    value: function off(event, cb) {
      this.events_ = this.events_ || {};
      if (event in this.events_ === false) return;
      this.events_[event].splice(this.events_[event].indexOf(cb), 1);
    }
  }, {
    key: "trigger",
    value: function trigger(event) {
      this.events_ = this.events_ || {};
      if (event in this.events_ === false) return;

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

      for (var i = 0; i < this.events_[event].length; i++) {
        this.events_[event][i].apply(this, args);
      }
    }
  }]);

  return EventEmitter;
}();

exports.EventEmitter = EventEmitter;

var ArrayEmitter = /*#__PURE__*/function (_EventEmitter) {
  _inherits(ArrayEmitter, _EventEmitter);

  var _super = _createSuper(ArrayEmitter);

  function ArrayEmitter() {
    var _this;

    _classCallCheck(this, ArrayEmitter);

    _this = _super.call(this);
    _this.array = [];
    return _this;
  }

  _createClass(ArrayEmitter, [{
    key: "push",
    value: function push() {
      var _this$array;

      var rVal = (_this$array = this.array).push.apply(_this$array, arguments);

      this.trigger('change');
      return rVal;
    }
  }, {
    key: "empty",
    value: function empty() {
      this.array.length = 0;
      this.trigger('change');
    }
  }, {
    key: "remove",
    value: function remove(item) {
      var index = this.array.indexOf(item);

      if (index > -1) {
        this.array.splice(index, 1);
        this.trigger('change');
        return true;
      }

      return false;
    }
  }]);

  return ArrayEmitter;
}(EventEmitter);

exports.ArrayEmitter = ArrayEmitter;