InternshipProject/node_modules/rc-cascader/es/Cascader.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
var _excluded = ["id", "prefixCls", "fieldNames", "defaultValue", "value", "changeOnSelect", "onChange", "displayRender", "checkable", "searchValue", "onSearch", "showSearch", "expandTrigger", "options", "dropdownPrefixCls", "loadData", "popupVisible", "open", "popupClassName", "dropdownClassName", "dropdownMenuColumnStyle", "popupPlacement", "placement", "onDropdownVisibleChange", "onPopupVisibleChange", "expandIcon", "loadingIcon", "children", "dropdownMatchSelectWidth"];
import * as React from 'react';
import useId from "rc-select/es/hooks/useId";
import { conductCheck } from "rc-tree/es/utils/conductUtil";
import useMergedState from "rc-util/es/hooks/useMergedState";
import { BaseSelect } from 'rc-select';
import OptionList from './OptionList';
import CascaderContext from './context';
import { fillFieldNames, toPathKey, toPathKeys } from './utils/commonUtil';
import useDisplayValues from './hooks/useDisplayValues';
import useRefFunc from './hooks/useRefFunc';
import useEntities from './hooks/useEntities';
import { formatStrategyValues, toPathOptions } from './utils/treeUtil';
import useSearchConfig from './hooks/useSearchConfig';
import useSearchOptions from './hooks/useSearchOptions';
import warning from "rc-util/es/warning";
import useMissingValues from './hooks/useMissingValues';

function isMultipleValue(value) {
  return Array.isArray(value) && Array.isArray(value[0]);
}

function toRawValues(value) {
  if (!value) {
    return [];
  }

  if (isMultipleValue(value)) {
    return value;
  }

  return value.length === 0 ? [] : [value];
}

var Cascader = /*#__PURE__*/React.forwardRef(function (props, ref) {
  var id = props.id,
      _props$prefixCls = props.prefixCls,
      prefixCls = _props$prefixCls === void 0 ? 'rc-cascader' : _props$prefixCls,
      fieldNames = props.fieldNames,
      defaultValue = props.defaultValue,
      value = props.value,
      changeOnSelect = props.changeOnSelect,
      onChange = props.onChange,
      displayRender = props.displayRender,
      checkable = props.checkable,
      searchValue = props.searchValue,
      onSearch = props.onSearch,
      showSearch = props.showSearch,
      expandTrigger = props.expandTrigger,
      options = props.options,
      dropdownPrefixCls = props.dropdownPrefixCls,
      loadData = props.loadData,
      popupVisible = props.popupVisible,
      open = props.open,
      popupClassName = props.popupClassName,
      dropdownClassName = props.dropdownClassName,
      dropdownMenuColumnStyle = props.dropdownMenuColumnStyle,
      popupPlacement = props.popupPlacement,
      placement = props.placement,
      onDropdownVisibleChange = props.onDropdownVisibleChange,
      onPopupVisibleChange = props.onPopupVisibleChange,
      _props$expandIcon = props.expandIcon,
      expandIcon = _props$expandIcon === void 0 ? '>' : _props$expandIcon,
      loadingIcon = props.loadingIcon,
      children = props.children,
      _props$dropdownMatchS = props.dropdownMatchSelectWidth,
      dropdownMatchSelectWidth = _props$dropdownMatchS === void 0 ? false : _props$dropdownMatchS,
      restProps = _objectWithoutProperties(props, _excluded);

  var mergedId = useId(id);
  var multiple = !!checkable; // =========================== Values ===========================

  var _useMergedState = useMergedState(defaultValue, {
    value: value,
    postState: toRawValues
  }),
      _useMergedState2 = _slicedToArray(_useMergedState, 2),
      rawValues = _useMergedState2[0],
      setRawValues = _useMergedState2[1]; // ========================= FieldNames =========================


  var mergedFieldNames = React.useMemo(function () {
    return fillFieldNames(fieldNames);
  },
  /* eslint-disable react-hooks/exhaustive-deps */
  [JSON.stringify(fieldNames)]); // =========================== Option ===========================

  var mergedOptions = React.useMemo(function () {
    return options || [];
  }, [options]); // Only used in multiple mode, this fn will not call in single mode

  var getPathKeyEntities = useEntities(mergedOptions, mergedFieldNames);
  /** Convert path key back to value format */

  var getValueByKeyPath = React.useCallback(function (pathKeys) {
    var ketPathEntities = getPathKeyEntities();
    return pathKeys.map(function (pathKey) {
      var nodes = ketPathEntities[pathKey].nodes;
      return nodes.map(function (node) {
        return node[mergedFieldNames.value];
      });
    });
  }, [getPathKeyEntities, mergedFieldNames]); // =========================== Search ===========================

  var _useMergedState3 = useMergedState('', {
    value: searchValue,
    postState: function postState(search) {
      return search || '';
    }
  }),
      _useMergedState4 = _slicedToArray(_useMergedState3, 2),
      mergedSearchValue = _useMergedState4[0],
      setSearchValue = _useMergedState4[1];

  var onInternalSearch = function onInternalSearch(searchText, info) {
    setSearchValue(searchText);

    if (info.source !== 'blur' && onSearch) {
      onSearch(searchText);
    }
  };

  var _useSearchConfig = useSearchConfig(showSearch),
      _useSearchConfig2 = _slicedToArray(_useSearchConfig, 2),
      mergedShowSearch = _useSearchConfig2[0],
      searchConfig = _useSearchConfig2[1];

  var searchOptions = useSearchOptions(mergedSearchValue, mergedOptions, mergedFieldNames, dropdownPrefixCls || prefixCls, searchConfig, changeOnSelect); // =========================== Values ===========================

  var getMissingValues = useMissingValues(mergedOptions, mergedFieldNames); // Fill `rawValues` with checked conduction values

  var _React$useMemo = React.useMemo(function () {
    var _getMissingValues = getMissingValues(rawValues),
        _getMissingValues2 = _slicedToArray(_getMissingValues, 2),
        existValues = _getMissingValues2[0],
        missingValues = _getMissingValues2[1];

    if (!multiple || !rawValues.length) {
      return [existValues, [], missingValues];
    }

    var keyPathValues = toPathKeys(existValues);
    var ketPathEntities = getPathKeyEntities();

    var _conductCheck = conductCheck(keyPathValues, true, ketPathEntities),
        checkedKeys = _conductCheck.checkedKeys,
        halfCheckedKeys = _conductCheck.halfCheckedKeys; // Convert key back to value cells


    // Convert key back to value cells
    return [getValueByKeyPath(checkedKeys), getValueByKeyPath(halfCheckedKeys), missingValues];
  }, [multiple, rawValues, getPathKeyEntities, getValueByKeyPath, getMissingValues]),
      _React$useMemo2 = _slicedToArray(_React$useMemo, 3),
      checkedValues = _React$useMemo2[0],
      halfCheckedValues = _React$useMemo2[1],
      missingCheckedValues = _React$useMemo2[2];

  var deDuplicatedValues = React.useMemo(function () {
    var checkedKeys = toPathKeys(checkedValues);
    var deduplicateKeys = formatStrategyValues(checkedKeys, getPathKeyEntities);
    return [].concat(_toConsumableArray(missingCheckedValues), _toConsumableArray(getValueByKeyPath(deduplicateKeys)));
  }, [checkedValues, getPathKeyEntities, getValueByKeyPath, missingCheckedValues]);
  var displayValues = useDisplayValues(deDuplicatedValues, mergedOptions, mergedFieldNames, multiple, displayRender); // =========================== Change ===========================

  var triggerChange = useRefFunc(function (nextValues) {
    setRawValues(nextValues); // Save perf if no need trigger event

    if (onChange) {
      var nextRawValues = toRawValues(nextValues);
      var valueOptions = nextRawValues.map(function (valueCells) {
        return toPathOptions(valueCells, mergedOptions, mergedFieldNames).map(function (valueOpt) {
          return valueOpt.option;
        });
      });
      var triggerValues = multiple ? nextRawValues : nextRawValues[0];
      var triggerOptions = multiple ? valueOptions : valueOptions[0];
      onChange(triggerValues, triggerOptions);
    }
  }); // =========================== Select ===========================

  var onInternalSelect = useRefFunc(function (valuePath) {
    setSearchValue('');

    if (!multiple) {
      triggerChange(valuePath);
    } else {
      // Prepare conduct required info
      var pathKey = toPathKey(valuePath);
      var checkedPathKeys = toPathKeys(checkedValues);
      var halfCheckedPathKeys = toPathKeys(halfCheckedValues);
      var existInChecked = checkedPathKeys.includes(pathKey);
      var existInMissing = missingCheckedValues.some(function (valueCells) {
        return toPathKey(valueCells) === pathKey;
      }); // Do update

      var nextCheckedValues = checkedValues;
      var nextMissingValues = missingCheckedValues;

      if (existInMissing && !existInChecked) {
        // Missing value only do filter
        nextMissingValues = missingCheckedValues.filter(function (valueCells) {
          return toPathKey(valueCells) !== pathKey;
        });
      } else {
        // Update checked key first
        var nextRawCheckedKeys = existInChecked ? checkedPathKeys.filter(function (key) {
          return key !== pathKey;
        }) : [].concat(_toConsumableArray(checkedPathKeys), [pathKey]);
        var pathKeyEntities = getPathKeyEntities(); // Conduction by selected or not

        var checkedKeys;

        if (existInChecked) {
          var _conductCheck2 = conductCheck(nextRawCheckedKeys, {
            checked: false,
            halfCheckedKeys: halfCheckedPathKeys
          }, pathKeyEntities);

          checkedKeys = _conductCheck2.checkedKeys;
        } else {
          var _conductCheck3 = conductCheck(nextRawCheckedKeys, true, pathKeyEntities);

          checkedKeys = _conductCheck3.checkedKeys;
        } // Roll up to parent level keys


        var deDuplicatedKeys = formatStrategyValues(checkedKeys, getPathKeyEntities);
        nextCheckedValues = getValueByKeyPath(deDuplicatedKeys);
      }

      triggerChange([].concat(_toConsumableArray(nextMissingValues), _toConsumableArray(nextCheckedValues)));
    }
  }); // Display Value change logic

  var onDisplayValuesChange = function onDisplayValuesChange(_, info) {
    if (info.type === 'clear') {
      triggerChange([]);
      return;
    } // Cascader do not support `add` type. Only support `remove`


    var valueCells = info.values[0].valueCells;
    onInternalSelect(valueCells);
  }; // ============================ Open ============================


  if (process.env.NODE_ENV !== 'production') {
    warning(!onPopupVisibleChange, '`onPopupVisibleChange` is deprecated. Please use `onDropdownVisibleChange` instead.');
    warning(popupVisible === undefined, '`popupVisible` is deprecated. Please use `open` instead.');
    warning(popupClassName === undefined, '`popupClassName` is deprecated. Please use `dropdownClassName` instead.');
    warning(popupPlacement === undefined, '`popupPlacement` is deprecated. Please use `placement` instead.');
  }

  var mergedOpen = open !== undefined ? open : popupVisible;
  var mergedDropdownClassName = dropdownClassName || popupClassName;
  var mergedPlacement = placement || popupPlacement;

  var onInternalDropdownVisibleChange = function onInternalDropdownVisibleChange(nextVisible) {
    onDropdownVisibleChange === null || onDropdownVisibleChange === void 0 ? void 0 : onDropdownVisibleChange(nextVisible);
    onPopupVisibleChange === null || onPopupVisibleChange === void 0 ? void 0 : onPopupVisibleChange(nextVisible);
  }; // ========================== Context ===========================


  var cascaderContext = React.useMemo(function () {
    return {
      options: mergedOptions,
      fieldNames: mergedFieldNames,
      values: checkedValues,
      halfValues: halfCheckedValues,
      changeOnSelect: changeOnSelect,
      onSelect: onInternalSelect,
      checkable: checkable,
      searchOptions: searchOptions,
      dropdownPrefixCls: dropdownPrefixCls,
      loadData: loadData,
      expandTrigger: expandTrigger,
      expandIcon: expandIcon,
      loadingIcon: loadingIcon,
      dropdownMenuColumnStyle: dropdownMenuColumnStyle
    };
  }, [mergedOptions, mergedFieldNames, checkedValues, halfCheckedValues, changeOnSelect, onInternalSelect, checkable, searchOptions, dropdownPrefixCls, loadData, expandTrigger, expandIcon, loadingIcon, dropdownMenuColumnStyle]); // ==============================================================
  // ==                          Render                          ==
  // ==============================================================

  var emptyOptions = !(mergedSearchValue ? searchOptions : mergedOptions).length;
  var dropdownStyle = // Search to match width
  mergedSearchValue && searchConfig.matchInputWidth || // Empty keep the width
  emptyOptions ? {} : {
    minWidth: 'auto'
  };
  return /*#__PURE__*/React.createElement(CascaderContext.Provider, {
    value: cascaderContext
  }, /*#__PURE__*/React.createElement(BaseSelect, _extends({}, restProps, {
    // MISC
    ref: ref,
    id: mergedId,
    prefixCls: prefixCls,
    dropdownMatchSelectWidth: dropdownMatchSelectWidth,
    dropdownStyle: dropdownStyle // Value
    ,
    displayValues: displayValues,
    onDisplayValuesChange: onDisplayValuesChange,
    mode: multiple ? 'multiple' : undefined // Search
    ,
    searchValue: mergedSearchValue,
    onSearch: onInternalSearch,
    showSearch: mergedShowSearch // Options
    ,
    OptionList: OptionList,
    emptyOptions: emptyOptions // Open
    ,
    open: mergedOpen,
    dropdownClassName: mergedDropdownClassName,
    placement: mergedPlacement,
    onDropdownVisibleChange: onInternalDropdownVisibleChange // Children
    ,
    getRawInputElement: function getRawInputElement() {
      return children;
    }
  })));
});

if (process.env.NODE_ENV !== 'production') {
  Cascader.displayName = 'Cascader';
}

export default Cascader;