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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); }
import * as React from 'react';
import { shallowEqual } from '@react-dnd/shallowequal';
import hoistStatics from 'hoist-non-react-statics';
import { invariant } from '@react-dnd/invariant';
import { DndContext } from '../common/DndContext';
import { isPlainObject } from '../utils/js_utils';
import { isRefable, checkDecoratorArguments } from './utils';
export function DragLayer(collect) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
checkDecoratorArguments('DragLayer', 'collect[, options]', collect, options);
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);
invariant(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 : _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 (!shallowEqual(nextState, _this.state)) {
_this.setState(nextState);
}
};
return _this;
}
_createClass(DragLayerContainer, [{
key: "getDecoratedComponentInstance",
value: function getDecoratedComponentInstance() {
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) || !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.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: isRefable(Decorated) ? _this2.ref : null
}));
});
}
}, {
key: "receiveDragDropManager",
value: function receiveDragDropManager(dragDropManager) {
if (this.manager !== undefined) {
return;
}
this.manager = dragDropManager;
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 hoistStatics(DragLayerContainer, DecoratedComponent);
};
}