react-mosaic-component2/RootDropTargets.cjs

A React Tiling Window Manager

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/RootDropTargets.tsx
var RootDropTargets_exports = {};
__export(RootDropTargets_exports, {
  RootDropTargets: () => RootDropTargets
});
module.exports = __toCommonJS(RootDropTargets_exports);
var import_classnames = __toESM(require("classnames"), 1);
var import_lodash_es = require("lodash-es");
var import_react = __toESM(require("react"), 1);
var import_react_dnd = require("react-dnd");
var import_internalTypes = require("./internalTypes.cjs");
var import_MosaicDropTarget = require("./MosaicDropTarget.cjs");
var import_types = require("./types.cjs");
var RootDropTargets = import_react.default.memo(() => {
  const [{ isDragging }] = (0, import_react_dnd.useDrop)({
    accept: import_types.MosaicDragType.WINDOW,
    collect: (monitor) => ({
      isDragging: monitor.getItem() !== null && monitor.getItemType() === import_types.MosaicDragType.WINDOW
    })
  });
  const delayedIsDragging = useDelayedTrue(isDragging, 0);
  return /* @__PURE__ */ import_react.default.createElement(
    "div",
    {
      className: (0, import_classnames.default)("drop-target-container", {
        "-dragging": delayedIsDragging
      })
    },
    (0, import_lodash_es.values)(import_internalTypes.MosaicDropTargetPosition).map((position) => /* @__PURE__ */ import_react.default.createElement(import_MosaicDropTarget.MosaicDropTarget, { position, path: [], key: position }))
  );
});
RootDropTargets.displayName = "RootDropTargets";
function useDelayedTrue(currentValue, delay) {
  const delayedRef = import_react.default.useRef(currentValue);
  const [, setCounter] = import_react.default.useState(0);
  const setAndRender = (newValue) => {
    delayedRef.current = newValue;
    setCounter((count) => count + 1);
  };
  if (!currentValue) {
    delayedRef.current = false;
  }
  import_react.default.useEffect(() => {
    if (delayedRef.current === currentValue || !currentValue) {
      return;
    }
    const timer = window.setTimeout(() => setAndRender(true), delay);
    return () => {
      window.clearTimeout(timer);
    };
  }, [currentValue]);
  return delayedRef.current;
}