linkmore-design/es/table/hooks/useFilter/index.js

🌈 🚀lm组件库。🚀

import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
import * as React from 'react';
import warning from "../../../_util/warning";
import { getColumnKey, getColumnPos, renderColumnTitle } from "../../util";
import FilterDropdown from "./FilterDropdown";
function collectFilterStates(columns, init, pos) {
  var filterStates = [];
  (columns || []).forEach(function (column, index) {
    var columnPos = getColumnPos(index, pos);
    if (column.filters || 'filterDropdown' in column || 'onFilter' in column) {
      if ('filteredValue' in column) {
        // Controlled
        var filteredValues = column.filteredValue;
        if (!('filterDropdown' in column)) {
          var _filteredValues$map, _filteredValues;
          filteredValues = (_filteredValues$map = (_filteredValues = filteredValues) === null || _filteredValues === void 0 ? void 0 : _filteredValues.map(String)) !== null && _filteredValues$map !== void 0 ? _filteredValues$map : filteredValues;
        }
        filterStates.push({
          column: column,
          key: getColumnKey(column, columnPos),
          filteredKeys: filteredValues,
          forceFiltered: column.filtered
        });
      } else {
        // Uncontrolled
        filterStates.push({
          column: column,
          key: getColumnKey(column, columnPos),
          filteredKeys: init && column.defaultFilteredValue ? column.defaultFilteredValue : undefined,
          forceFiltered: column.filtered
        });
      }
    }
    if ('children' in column) {
      filterStates = [].concat(_toConsumableArray(filterStates), _toConsumableArray(collectFilterStates(column.children, init, columnPos)));
    }
  });
  return filterStates;
}
function injectFilter(prefixCls, dropdownPrefixCls, columns, filterStates, triggerFilter, getPopupContainer, locale, pos) {
  return columns.map(function (column, index) {
    var columnPos = getColumnPos(index, pos);
    var _ref = column,
      _ref$filterMultiple = _ref.filterMultiple,
      filterMultiple = _ref$filterMultiple === void 0 ? true : _ref$filterMultiple,
      filterMode = _ref.filterMode,
      filterSearch = _ref.filterSearch;
    var newColumn = column;
    if (newColumn.filters || newColumn.filterDropdown) {
      var columnKey = getColumnKey(newColumn, columnPos);
      var _filterState = filterStates.find(function (_ref2) {
        var key = _ref2.key;
        return columnKey === key;
      });
      newColumn = _objectSpread(_objectSpread({}, newColumn), {}, {
        title: function title(renderProps) {
          return /*#__PURE__*/React.createElement(FilterDropdown, {
            tablePrefixCls: prefixCls,
            prefixCls: "".concat(prefixCls, "-filter"),
            dropdownPrefixCls: dropdownPrefixCls,
            column: newColumn,
            columnKey: columnKey,
            filterState: _filterState,
            filterMultiple: filterMultiple,
            filterMode: filterMode,
            filterSearch: filterSearch,
            triggerFilter: triggerFilter,
            locale: locale,
            getPopupContainer: getPopupContainer
          }, renderColumnTitle(column.title, renderProps));
        }
      });
    }
    if ('children' in newColumn) {
      newColumn = _objectSpread(_objectSpread({}, newColumn), {}, {
        children: injectFilter(prefixCls, dropdownPrefixCls, newColumn.children, filterStates, triggerFilter, getPopupContainer, locale, columnPos)
      });
    }
    return newColumn;
  });
}
export function flattenKeys(filters) {
  var keys = [];
  (filters || []).forEach(function (_ref3) {
    var value = _ref3.value,
      children = _ref3.children;
    keys.push(value);
    if (children) {
      keys = [].concat(_toConsumableArray(keys), _toConsumableArray(flattenKeys(children)));
    }
  });
  return keys;
}
function generateFilterInfo(filterStates) {
  var currentFilters = {};
  filterStates.forEach(function (_ref4) {
    var key = _ref4.key,
      filteredKeys = _ref4.filteredKeys,
      column = _ref4.column;
    var filters = column.filters,
      filterDropdown = column.filterDropdown;
    if (filterDropdown) {
      currentFilters[key] = filteredKeys || null;
    } else if (Array.isArray(filteredKeys)) {
      var keys = flattenKeys(filters);
      currentFilters[key] = keys.filter(function (originKey) {
        return filteredKeys.includes(String(originKey));
      });
    } else {
      currentFilters[key] = null;
    }
  });
  return currentFilters;
}
export function getFilterData(data, filterStates) {
  return filterStates.reduce(function (currentData, filterState) {
    var _filterState$column = filterState.column,
      onFilter = _filterState$column.onFilter,
      filters = _filterState$column.filters,
      filteredKeys = filterState.filteredKeys;
    if (onFilter && filteredKeys && filteredKeys.length) {
      return currentData.filter(function (record) {
        return filteredKeys.some(function (key) {
          var keys = flattenKeys(filters);
          var keyIndex = keys.findIndex(function (k) {
            return String(k) === String(key);
          });
          var realKey = keyIndex !== -1 ? keys[keyIndex] : key;
          return onFilter(realKey, record);
        });
      });
    }
    return currentData;
  }, data);
}
function useFilter(_ref5) {
  var prefixCls = _ref5.prefixCls,
    dropdownPrefixCls = _ref5.dropdownPrefixCls,
    mergedColumns = _ref5.mergedColumns,
    onFilterChange = _ref5.onFilterChange,
    getPopupContainer = _ref5.getPopupContainer,
    tableLocale = _ref5.locale;
  var _React$useState = React.useState(function () {
      return collectFilterStates(mergedColumns, true);
    }),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    filterStates = _React$useState2[0],
    setFilterStates = _React$useState2[1];
  var mergedFilterStates = React.useMemo(function () {
    var collectedStates = collectFilterStates(mergedColumns, false);
    var filteredKeysIsAllNotControlled = true;
    var filteredKeysIsAllControlled = true;
    collectedStates.forEach(function (_ref6) {
      var filteredKeys = _ref6.filteredKeys;
      if (filteredKeys !== undefined) {
        filteredKeysIsAllNotControlled = false;
      } else {
        filteredKeysIsAllControlled = false;
      }
    });

    // Return if not controlled
    if (filteredKeysIsAllNotControlled) {
      return filterStates;
    }
    warning(filteredKeysIsAllControlled, 'Table', 'Columns should all contain `filteredValue` or not contain `filteredValue`.');
    return collectedStates;
  }, [mergedColumns, filterStates]);
  var filters = React.useMemo(function () {
    return generateFilterInfo(mergedFilterStates);
  }, [mergedFilterStates]);
  var triggerFilter = function triggerFilter(filterState) {
    var newFilterStates = mergedFilterStates.filter(function (_ref7) {
      var key = _ref7.key;
      return key !== filterState.key;
    });
    newFilterStates.push(filterState);
    setFilterStates(newFilterStates);
    onFilterChange(generateFilterInfo(newFilterStates), newFilterStates);
  };
  var transformColumns = function transformColumns(innerColumns) {
    return injectFilter(prefixCls, dropdownPrefixCls, innerColumns, mergedFilterStates, triggerFilter, getPopupContainer, tableLocale);
  };
  return [transformColumns, mergedFilterStates, filters];
}
export default useFilter;