react-selectable-box/lib/hooks/useSelectable.js

A React component used hooks that allows you to select elements in the drag area using the mouse

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/hooks/useSelectable.ts
var useSelectable_exports = {};
__export(useSelectable_exports, {
  default: () => useSelectable
});
module.exports = __toCommonJS(useSelectable_exports);
var import_react = require("react");
var import_context = require("../context");
var import_utils = require("../utils");
var import_useUpdateEffect = __toESM(require("./useUpdateEffect"));
function useSelectable({
  value,
  disabled,
  rule = "collision"
}) {
  const {
    mode,
    scrollContainer,
    boxPosition,
    isDragging,
    value: contextValue = [],
    startInside,
    startTarget,
    selectingValue,
    unmountItemsInfo,
    virtual,
    boxRef,
    compareFn
  } = (0, import_context.useSelectableContext)();
  const node = (0, import_react.useRef)(null);
  const [isInRange, setIsInRange] = (0, import_react.useState)(false);
  (0, import_react.useEffect)(() => {
    var _a;
    setIsInRange(
      (0, import_utils.checkInRange)(
        rule,
        (_a = node.current) == null ? void 0 : _a.getBoundingClientRect(),
        scrollContainer,
        boxPosition,
        boxRef
      )
    );
  }, [rule, scrollContainer, boxPosition]);
  const isSelected = contextValue.some((i) => compareFn(i, value));
  const isSelecting = isDragging && !disabled && isInRange;
  const isRemoving = isSelecting && isSelected && (mode === "remove" || mode === "reverse");
  const isAdding = isSelecting && !isSelected && (mode === "add" || mode === "reverse");
  const setNodeRef = (0, import_react.useCallback)((ref) => {
    node.current = ref;
  }, []);
  (0, import_react.useEffect)(() => {
    var _a;
    if (startTarget && !startInside.current) {
      const contain = (_a = node.current) == null ? void 0 : _a.contains(startTarget);
      if (contain) {
        startInside.current = true;
      }
    }
  }, [startTarget]);
  (0, import_react.useEffect)(() => {
    if (selectingValue) {
      if (isSelecting) {
        selectingValue.current.push(value);
      } else {
        selectingValue.current = selectingValue.current.filter((i) => !compareFn(i, value));
      }
    }
  }, [isSelecting]);
  (0, import_react.useLayoutEffect)(() => {
    if (virtual) {
      unmountItemsInfo.current.delete(value);
      return () => {
        if (node.current && scrollContainer) {
          unmountItemsInfo.current.set(value, {
            rule,
            rect: node.current.getBoundingClientRect(),
            disabled,
            scrollLeft: scrollContainer.scrollLeft,
            scrollTop: scrollContainer.scrollTop
          });
        }
      };
    }
  }, [virtual]);
  (0, import_useUpdateEffect.default)(() => {
    if (virtual) {
      const info = unmountItemsInfo.current.get(value);
      if (info) {
        unmountItemsInfo.current.set(value, { ...info, disabled, rule });
      }
    }
  }, [virtual, disabled, rule]);
  return {
    setNodeRef,
    isSelecting,
    isRemoving,
    isSelected,
    isAdding,
    isDragging
  };
}