Marker.js

(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "react", "prop-types", "lodash", "../lib/String"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("react"), require("prop-types"), require("lodash"), require("../lib/String"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.react, global.propTypes, global.lodash, global.String);
    global.Marker = mod.exports;
  }
})(this, function (exports, _react, _propTypes, _lodash, _String) {
  "use strict";

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

  var _react2 = _interopRequireDefault(_react);

  var _propTypes2 = _interopRequireDefault(_propTypes);

  function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
      default: obj
    };
  }

  var _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };

  function _objectWithoutProperties(obj, keys) {
    var target = {};

    for (var i in obj) {
      if (keys.indexOf(i) >= 0) continue;
      if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
      target[i] = obj[i];
    }

    return target;
  }

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

  var _createClass = 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);
      }
    }

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

  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;
  }

  var evtNames = ["click", "dblclick", "dragend", "mousedown", "mouseout", "mouseover", "mouseup", "recenter"];

  var wrappedPromise = function wrappedPromise() {
    var wrappedPromise = {},
        promise = new Promise(function (resolve, reject) {
      wrappedPromise.resolve = resolve;
      wrappedPromise.reject = reject;
    });
    wrappedPromise.then = promise.then.bind(promise);
    wrappedPromise.catch = promise.catch.bind(promise);
    wrappedPromise.promise = promise;

    return wrappedPromise;
  };

  var Marker = exports.Marker = function (_React$Component) {
    _inherits(Marker, _React$Component);

    function Marker() {
      _classCallCheck(this, Marker);

      return _possibleConstructorReturn(this, (Marker.__proto__ || Object.getPrototypeOf(Marker)).apply(this, arguments));
    }

    _createClass(Marker, [{
      key: "componentDidMount",
      value: function componentDidMount() {
        this.markerPromise = wrappedPromise();
        this.renderMarker();
      }
    }, {
      key: "componentDidUpdate",
      value: function componentDidUpdate(prevProps) {
        if (this.props.map !== prevProps.map || !(0, _lodash.isEqual)(this.props.position, prevProps.position) || !(0, _lodash.isEqual)(this.props.icon, prevProps.icon)) {
          if (this.marker) {
            this.marker.setMap(null);
          }
          this.renderMarker();
        }
      }
    }, {
      key: "componentWillUnmount",
      value: function componentWillUnmount() {
        if (this.marker) {
          this.marker.setMap(null);
        }
      }
    }, {
      key: "renderMarker",
      value: function renderMarker() {
        var _this2 = this;

        var _props = this.props,
            map = _props.map,
            google = _props.google,
            position = _props.position,
            mapCenter = _props.mapCenter,
            icon = _props.icon,
            label = _props.label,
            draggable = _props.draggable,
            title = _props.title,
            props = _objectWithoutProperties(_props, ["map", "google", "position", "mapCenter", "icon", "label", "draggable", "title"]);

        if (!google) {
          return null;
        }

        var pos = position || mapCenter;
        if (!(pos instanceof google.maps.LatLng)) {
          pos = new google.maps.LatLng(pos.lat, pos.lng);
        }

        var pref = _extends({
          map: map,
          position: pos,
          icon: icon,
          label: label,
          title: title,
          draggable: draggable
        }, props);
        this.marker = new google.maps.Marker(pref);

        evtNames.forEach(function (e) {
          _this2.marker.addListener(e, _this2.handleEvent(e));
        });

        this.markerPromise.resolve(this.marker);
      }
    }, {
      key: "getMarker",
      value: function getMarker() {
        return this.markerPromise;
      }
    }, {
      key: "handleEvent",
      value: function handleEvent(evt) {
        var _this3 = this;

        return function (e) {
          var evtName = "on" + (0, _String.camelize)(evt);
          if (_this3.props[evtName]) {
            _this3.props[evtName](_this3.props, _this3.marker, e);
          }
        };
      }
    }, {
      key: "render",
      value: function render() {
        return _react2.default.createElement(
          _react.Fragment,
          null,
          this.props.children && this.marker ? _react2.default.Children.only(_react2.default.cloneElement(this.props.children, {
            marker: this.marker,
            google: this.props.google,
            map: this.props.map
          })) : null
        );
      }
    }]);

    return Marker;
  }(_react2.default.Component);

  Marker.propTypes = {
    position: _propTypes2.default.object,
    map: _propTypes2.default.object
  };

  evtNames.forEach(function (e) {
    return Marker.propTypes[e] = _propTypes2.default.func;
  });

  Marker.defaultProps = {
    name: "Marker"
  };

  exports.default = Marker;
});