spatial-navigation/lib/util/aggregation.js

A javascript-based implementation of Spatial Navigation.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

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

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

/*
  Allows multiple extending

 */

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

  var base = function (_baseClass) {
    _inherits(_Combined, _baseClass);

    function _Combined() {
      var _ref;

      _classCallCheck(this, _Combined);

      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }

      var _this = _possibleConstructorReturn(this, (_ref = _Combined.__proto__ || Object.getPrototypeOf(_Combined)).call.apply(_ref, [this].concat(args)));

      mixins.forEach(function (mixin) {
        mixin.prototype.initializer.call(_this);
      });
      return _this;
    }

    return _Combined;
  }(baseClass);

  var copyProps = function copyProps(target, source) {
    Object.getOwnPropertyNames(source).concat(Object.getOwnPropertySymbols(source)).forEach(function (prop) {
      if (prop.match(/^(?:constructor|prototype|arguments|caller|name|bind|call|apply|toString|length)$/)) return;
      Object.defineProperty(target, prop, Object.getOwnPropertyDescriptor(source, prop));
    });
  };

  mixins.forEach(function (mixin) {
    copyProps(base.prototype, mixin.prototype);
    copyProps(base, mixin);
  });

  return base;
};

exports.default = aggregation;
module.exports = exports["default"];