planning

node_modules/react-dnd/dist/esm/core/DndContext.js

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+import { createContext } from 'react';
+/**
+ * Create the React Context
+ */
+
+export var DndContext = createContext({
+  dragDropManager: undefined
+});

node_modules/react-dnd/dist/esm/core/DndProvider.js

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+var _excluded = ["children"];
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
+
+function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
+
+import { jsx as _jsx } from "react/jsx-runtime";
+import { useEffect, memo } from 'react';
+import { createDragDropManager } from 'dnd-core';
+import { DndContext } from './DndContext';
+var refCount = 0;
+var INSTANCE_SYM = Symbol.for('__REACT_DND_CONTEXT_INSTANCE__');
+/**
+ * A React component that provides the React-DnD context
+ */
+
+export var DndProvider = memo(function DndProvider(_ref) {
+  var children = _ref.children,
+      props = _objectWithoutProperties(_ref, _excluded);
+
+  var _getDndContextValue = getDndContextValue(props),
+      _getDndContextValue2 = _slicedToArray(_getDndContextValue, 2),
+      manager = _getDndContextValue2[0],
+      isGlobalInstance = _getDndContextValue2[1]; // memoized from props
+
+  /**
+   * If the global context was used to store the DND context
+   * then where theres no more references to it we should
+   * clean it up to avoid memory leaks
+   */
+
+
+  useEffect(function () {
+    if (isGlobalInstance) {
+      var context = getGlobalContext();
+      ++refCount;
+      return function () {
+        if (--refCount === 0) {
+          context[INSTANCE_SYM] = null;
+        }
+      };
+    }
+  }, []);
+  return _jsx(DndContext.Provider, Object.assign({
+    value: manager
+  }, {
+    children: children
+  }), void 0);
+});
+
+function getDndContextValue(props) {
+  if ('manager' in props) {
+    var _manager = {
+      dragDropManager: props.manager
+    };
+    return [_manager, false];
+  }
+
+  var manager = createSingletonDndContext(props.backend, props.context, props.options, props.debugMode);
+  var isGlobalInstance = !props.context;
+  return [manager, isGlobalInstance];
+}
+
+function createSingletonDndContext(backend) {
+  var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : getGlobalContext();
+  var options = arguments.length > 2 ? arguments[2] : undefined;
+  var debugMode = arguments.length > 3 ? arguments[3] : undefined;
+  var ctx = context;
+
+  if (!ctx[INSTANCE_SYM]) {
+    ctx[INSTANCE_SYM] = {
+      dragDropManager: createDragDropManager(backend, context, options, debugMode)
+    };
+  }
+
+  return ctx[INSTANCE_SYM];
+}
+
+function getGlobalContext() {
+  return typeof global !== 'undefined' ? global : window;
+}

node_modules/react-dnd/dist/esm/core/DragPreviewImage.js

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+import { useEffect, memo } from 'react';
+/**
+ * A utility for rendering a drag preview image
+ */
+
+export var DragPreviewImage = memo(function DragPreviewImage(_ref) {
+  var connect = _ref.connect,
+      src = _ref.src;
+  useEffect(function () {
+    if (typeof Image === 'undefined') return;
+    var connected = false;
+    var img = new Image();
+    img.src = src;
+
+    img.onload = function () {
+      connect(img);
+      connected = true;
+    };
+
+    return function () {
+      if (connected) {
+        connect(null);
+      }
+    };
+  });
+  return null;
+});

node_modules/react-dnd/dist/esm/core/index.js

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+export * from './DndContext';
+export * from './DndProvider';
+export * from './DragPreviewImage';