text: "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DragLayer = DragLayer;
  
  var React = _interopRequireWildcard(require("react"));
  
  var _shallowequal = require("@react-dnd/shallowequal");
  
  var _hoistNonReactStatics = _interopRequireDefault(require("hoist-non-react-statics"));
  
  var _invariant = require("@react-dnd/invariant");
  
  var _DndContext = require("../common/DndContext");
  
  var _js_utils = require("../utils/js_utils");
  
  var _utils = require("./utils");
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
  
  function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
  
  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); }
  
  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; }
  
  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 { Date.prototype.toString.call(Reflect.construct(Date, [], 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 DragLayer(collect) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    (0, _utils.checkDecoratorArguments)('DragLayer', 'collect[, options]', collect, options);
    (0, _invariant.invariant)(typeof collect === 'function', 'Expected "collect" provided as the first argument to DragLayer to be a function that collects props to inject into the component. ', 'Instead, received %s. Read more: http://react-dnd.github.io/react-dnd/docs/api/drag-layer', collect);
    (0, _invariant.invariant)((0, _js_utils.isPlainObject)(options), 'Expected "options" provided as the second argument to DragLayer to be a plain object when specified. ' + 'Instead, received %s. Read more: http://react-dnd.github.io/react-dnd/docs/api/drag-layer', options);
    return function decorateLayer(DecoratedComponent) {
      var Decorated = DecoratedComponent;
      var _options$arePropsEqua = options.arePropsEqual,
          arePropsEqual = _options$arePropsEqua === void 0 ? _shallowequal.shallowEqual : _options$arePropsEqua;
      var displayName = Decorated.displayName || Decorated.name || 'Component';
  
      var DragLayerContainer =
      /** @class */
      function () {
        var DragLayerContainer = /*#__PURE__*/function (_React$Component) {
          _inherits(DragLayerContainer, _React$Component);
  
          var _super = _createSuper(DragLayerContainer);
  
          function DragLayerContainer() {
            var _this;
  
            _classCallCheck(this, DragLayerContainer);
  
            _this = _super.apply(this, arguments);
            _this.isCurrentlyMounted = false;
            _this.ref = React.createRef();
  
            _this.handleChange = function () {
              if (!_this.isCurrentlyMounted) {
                return;
              }
  
              var nextState = _this.getCurrentState();
  
              if (!(0, _shallowequal.shallowEqual)(nextState, _this.state)) {
                _this.setState(nextState);
              }
            };
  
            return _this;
          }
  
          _createClass(DragLayerContainer, [{
            key: "getDecoratedComponentInstance",
            value: function getDecoratedComponentInstance() {
              (0, _invariant.invariant)(this.ref.current, 'In order to access an instance of the decorated component, it must either be a class component or use React.forwardRef()');
              return this.ref.current;
            }
          }, {
            key: "shouldComponentUpdate",
            value: function shouldComponentUpdate(nextProps, nextState) {
              return !arePropsEqual(nextProps, this.props) || !(0, _shallowequal.shallowEqual)(nextState, this.state);
            }
          }, {
            key: "componentDidMount",
            value: function componentDidMount() {
              this.isCurrentlyMounted = true;
              this.handleChange();
            }
          }, {
            key: "componentWillUnmount",
            value: function componentWillUnmount() {
              this.isCurrentlyMounted = false;
  
              if (this.unsubscribeFromOffsetChange) {
                this.unsubscribeFromOffsetChange();
                this.unsubscribeFromOffsetChange = undefined;
              }
  
              if (this.unsubscribeFromStateChange) {
                this.unsubscribeFromStateChange();
                this.unsubscribeFromStateChange = undefined;
              }
            }
          }, {
            key: "render",
            value: function render() {
              var _this2 = this;
  
              return React.createElement(_DndContext.DndContext.Consumer, null, function (_ref) {
                var dragDropManager = _ref.dragDropManager;
  
                if (dragDropManager === undefined) {
                  return null;
                }
  
                _this2.receiveDragDropManager(dragDropManager); // Let componentDidMount fire to initialize the collected state
  
  
                if (!_this2.isCurrentlyMounted) {
                  return null;
                }
  
                return React.createElement(Decorated, Object.assign({}, _this2.props, _this2.state, {
                  ref: (0, _utils.isRefable)(Decorated) ? _this2.ref : null
                }));
              });
            }
          }, {
            key: "receiveDragDropManager",
            value: function receiveDragDropManager(dragDropManager) {
              if (this.manager !== undefined) {
                return;
              }
  
              this.manager = dragDropManager;
              (0, _invariant.invariant)(_typeof(dragDropManager) === 'object', 'Could not find the drag and drop manager in the context of %s. ' + 'Make sure to render a DndProvider component in your top-level component. ' + 'Read more: http://react-dnd.github.io/react-dnd/docs/troubleshooting#could-not-find-the-drag-and-drop-manager-in-the-context', displayName, displayName);
              var monitor = this.manager.getMonitor();
              this.unsubscribeFromOffsetChange = monitor.subscribeToOffsetChange(this.handleChange);
              this.unsubscribeFromStateChange = monitor.subscribeToStateChange(this.handleChange);
            }
          }, {
            key: "getCurrentState",
            value: function getCurrentState() {
              if (!this.manager) {
                return {};
              }
  
              var monitor = this.manager.getMonitor();
              return collect(monitor, this.props);
            }
          }]);
  
          return DragLayerContainer;
        }(React.Component);
  
        DragLayerContainer.displayName = "DragLayer(".concat(displayName, ")");
        DragLayerContainer.DecoratedComponent = DecoratedComponent;
        return DragLayerContainer;
      }();
  
      return (0, _hoistNonReactStatics.default)(DragLayerContainer, DecoratedComponent);
    };
  }