{"ast":null,"code":"import _extends from \"@babel/runtime/helpers/extends\";\nimport _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _assertThisInitialized from \"@babel/runtime/helpers/assertThisInitialized\";\nimport _inherits from \"@babel/runtime/helpers/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/createSuper\";\nimport _defineProperty from \"@babel/runtime/helpers/defineProperty\";\n\nvar __rest = this && this.__rest || function (s, e) {\n  var t = {};\n\n  for (var p in s) {\n    if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];\n  }\n\n  if (s != null && typeof Object.getOwnPropertySymbols === \"function\") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n    if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];\n  }\n  return t;\n};\n\nimport * as React from 'react';\nimport RcCascader from 'rc-cascader';\nimport arrayTreeFilter from 'array-tree-filter';\nimport classNames from 'classnames';\nimport omit from 'omit.js';\nimport KeyCode from \"rc-util/es/KeyCode\";\nimport CloseCircleFilled from '@ant-design/icons/CloseCircleFilled';\nimport DownOutlined from '@ant-design/icons/DownOutlined';\nimport RightOutlined from '@ant-design/icons/RightOutlined';\nimport RedoOutlined from '@ant-design/icons/RedoOutlined';\nimport LeftOutlined from '@ant-design/icons/LeftOutlined';\nimport Input from '../input';\nimport { ConfigConsumer } from '../config-provider';\nimport LocaleReceiver from '../locale-provider/LocaleReceiver';\nimport devWarning from '../_util/devWarning';\nimport SizeContext from '../config-provider/SizeContext';\nimport { replaceElement } from '../_util/reactNode'; // We limit the filtered item count by default\n\nvar defaultLimit = 50; // keep value when filtering\n\nvar keepFilteredValueField = '__KEEP_FILTERED_OPTION_VALUE';\n\nfunction highlightKeyword(str, keyword, prefixCls) {\n  return str.split(keyword).map(function (node, index) {\n    return index === 0 ? node : [/*#__PURE__*/React.createElement(\"span\", {\n      className: \"\".concat(prefixCls, \"-menu-item-keyword\"),\n      key: \"seperator\"\n    }, keyword), node];\n  });\n}\n\nfunction defaultFilterOption(inputValue, path, names) {\n  return path.some(function (option) {\n    return option[names.label].indexOf(inputValue) > -1;\n  });\n}\n\nfunction defaultRenderFilteredOption(inputValue, path, prefixCls, names) {\n  return path.map(function (option, index) {\n    var label = option[names.label];\n    var node = label.indexOf(inputValue) > -1 ? highlightKeyword(label, inputValue, prefixCls) : label;\n    return index === 0 ? node : [' / ', node];\n  });\n}\n\nfunction defaultSortFilteredOption(a, b, inputValue, names) {\n  function callback(elem) {\n    return elem[names.label].indexOf(inputValue) > -1;\n  }\n\n  return a.findIndex(callback) - b.findIndex(callback);\n}\n\nfunction getFieldNames(_ref) {\n  var fieldNames = _ref.fieldNames;\n  return fieldNames;\n}\n\nfunction getFilledFieldNames(props) {\n  var fieldNames = getFieldNames(props) || {};\n  var names = {\n    children: fieldNames.children || 'children',\n    label: fieldNames.label || 'label',\n    value: fieldNames.value || 'value'\n  };\n  return names;\n}\n\nfunction flattenTree(options, props) {\n  var ancestor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];\n  var names = getFilledFieldNames(props);\n  var flattenOptions = [];\n  var childrenName = names.children;\n  options.forEach(function (option) {\n    var path = ancestor.concat(option);\n\n    if (props.changeOnSelect || !option[childrenName] || !option[childrenName].length) {\n      flattenOptions.push(path);\n    }\n\n    if (option[childrenName]) {\n      flattenOptions = flattenOptions.concat(flattenTree(option[childrenName], props, path));\n    }\n  });\n  return flattenOptions;\n}\n\nvar defaultDisplayRender = function defaultDisplayRender(label) {\n  return label.join(' / ');\n};\n\nfunction warningValueNotExist(list) {\n  var fieldNames = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n  (list || []).forEach(function (item) {\n    var valueFieldName = fieldNames.value || 'value';\n    devWarning(valueFieldName in item, 'Cascader', 'Not found `value` in `options`.');\n    warningValueNotExist(item[fieldNames.children || 'children'], fieldNames);\n  });\n}\n\nfunction getEmptyNode(renderEmpty, names, notFoundContent) {\n  var _ref2;\n\n  return _ref2 = {}, _defineProperty(_ref2, names.value, 'ANT_CASCADER_NOT_FOUND'), _defineProperty(_ref2, names.label, notFoundContent || renderEmpty('Cascader')), _defineProperty(_ref2, \"disabled\", true), _defineProperty(_ref2, \"isEmptyNode\", true), _ref2;\n}\n\nvar Cascader = /*#__PURE__*/function (_React$Component) {\n  _inherits(Cascader, _React$Component);\n\n  var _super = _createSuper(Cascader);\n\n  function Cascader(props) {\n    var _this;\n\n    _classCallCheck(this, Cascader);\n\n    _this = _super.call(this, props);\n    _this.cachedOptions = [];\n\n    _this.setValue = function (value) {\n      var selectedOptions = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n\n      if (!('value' in _this.props)) {\n        _this.setState({\n          value: value\n        });\n      }\n\n      var onChange = _this.props.onChange;\n\n      if (onChange) {\n        onChange(value, selectedOptions);\n      }\n    };\n\n    _this.saveInput = function (node) {\n      _this.input = node;\n    };\n\n    _this.handleChange = function (value, selectedOptions) {\n      _this.setState({\n        inputValue: ''\n      });\n\n      if (selectedOptions[0].__IS_FILTERED_OPTION) {\n        var unwrappedValue = selectedOptions[0][keepFilteredValueField] === undefined ? value[0] : selectedOptions[0][keepFilteredValueField];\n        var unwrappedSelectedOptions = selectedOptions[0].path;\n\n        _this.setValue(unwrappedValue, unwrappedSelectedOptions);\n\n        return;\n      }\n\n      _this.setValue(value, selectedOptions);\n    };\n\n    _this.handlePopupVisibleChange = function (popupVisible) {\n      if (!('popupVisible' in _this.props)) {\n        _this.setState(function (state) {\n          return {\n            popupVisible: popupVisible,\n            inputFocused: popupVisible,\n            inputValue: popupVisible ? state.inputValue : ''\n          };\n        });\n      }\n\n      var onPopupVisibleChange = _this.props.onPopupVisibleChange;\n\n      if (onPopupVisibleChange) {\n        onPopupVisibleChange(popupVisible);\n      }\n    };\n\n    _this.handleInputBlur = function () {\n      _this.setState({\n        inputFocused: false\n      });\n    };\n\n    _this.handleInputClick = function (e) {\n      var _this$state = _this.state,\n          inputFocused = _this$state.inputFocused,\n          popupVisible = _this$state.popupVisible; // Prevent `Trigger` behaviour.\n\n      if (inputFocused || popupVisible) {\n        e.stopPropagation();\n      }\n    };\n\n    _this.handleKeyDown = function (e) {\n      // SPACE => https://github.com/ant-design/ant-design/issues/16871\n      if (e.keyCode === KeyCode.BACKSPACE || e.keyCode === KeyCode.SPACE) {\n        e.stopPropagation();\n      }\n    };\n\n    _this.handleInputChange = function (e) {\n      var popupVisible = _this.state.popupVisible;\n      var inputValue = e.target.value;\n\n      if (!popupVisible) {\n        _this.handlePopupVisibleChange(true);\n      }\n\n      _this.setState({\n        inputValue: inputValue\n      });\n    };\n\n    _this.clearSelection = function (e) {\n      var inputValue = _this.state.inputValue;\n      e.preventDefault();\n      e.stopPropagation();\n\n      if (!inputValue) {\n        _this.handlePopupVisibleChange(false);\n\n        _this.clearSelectionTimeout = setTimeout(function () {\n          _this.setValue([]);\n        }, 200);\n      } else {\n        _this.setState({\n          inputValue: ''\n        });\n      }\n    };\n\n    _this.renderCascader = function (_ref3, locale) {\n      var getContextPopupContainer = _ref3.getPopupContainer,\n          getPrefixCls = _ref3.getPrefixCls,\n          renderEmpty = _ref3.renderEmpty,\n          direction = _ref3.direction;\n      return /*#__PURE__*/React.createElement(SizeContext.Consumer, null, function (size) {\n        var _classNames, _classNames2, _classNames3, _classNames5;\n\n        var _assertThisInitialize = _assertThisInitialized(_this),\n            props = _assertThisInitialize.props,\n            state = _assertThisInitialize.state;\n\n        var customizePrefixCls = props.prefixCls,\n            customizeInputPrefixCls = props.inputPrefixCls,\n            children = props.children,\n            _props$placeholder = props.placeholder,\n            placeholder = _props$placeholder === void 0 ? locale.placeholder || 'Please select' : _props$placeholder,\n            customizeSize = props.size,\n            disabled = props.disabled,\n            className = props.className,\n            style = props.style,\n            allowClear = props.allowClear,\n            _props$showSearch = props.showSearch,\n            showSearch = _props$showSearch === void 0 ? false : _props$showSearch,\n            suffixIcon = props.suffixIcon,\n            expandIcon = props.expandIcon,\n            notFoundContent = props.notFoundContent,\n            popupClassName = props.popupClassName,\n            bordered = props.bordered,\n            dropdownRender = props.dropdownRender,\n            otherProps = __rest(props, [\"prefixCls\", \"inputPrefixCls\", \"children\", \"placeholder\", \"size\", \"disabled\", \"className\", \"style\", \"allowClear\", \"showSearch\", \"suffixIcon\", \"expandIcon\", \"notFoundContent\", \"popupClassName\", \"bordered\", \"dropdownRender\"]);\n\n        var mergedSize = customizeSize || size;\n        var value = state.value,\n            inputFocused = state.inputFocused;\n        var isRtlLayout = direction === 'rtl';\n        var prefixCls = getPrefixCls('cascader', customizePrefixCls);\n        var inputPrefixCls = getPrefixCls('input', customizeInputPrefixCls);\n        var sizeCls = classNames((_classNames = {}, _defineProperty(_classNames, \"\".concat(inputPrefixCls, \"-lg\"), mergedSize === 'large'), _defineProperty(_classNames, \"\".concat(inputPrefixCls, \"-sm\"), mergedSize === 'small'), _classNames));\n        var clearIcon = allowClear && !disabled && value.length > 0 || state.inputValue ? /*#__PURE__*/React.createElement(CloseCircleFilled, {\n          className: \"\".concat(prefixCls, \"-picker-clear\"),\n          onClick: _this.clearSelection\n        }) : null;\n        var arrowCls = classNames((_classNames2 = {}, _defineProperty(_classNames2, \"\".concat(prefixCls, \"-picker-arrow\"), true), _defineProperty(_classNames2, \"\".concat(prefixCls, \"-picker-arrow-expand\"), state.popupVisible), _classNames2));\n        var pickerCls = classNames(\"\".concat(prefixCls, \"-picker\"), (_classNames3 = {}, _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-rtl\"), isRtlLayout), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-with-value\"), state.inputValue), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-disabled\"), disabled), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-\").concat(mergedSize), !!mergedSize), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-show-search\"), !!showSearch), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-focused\"), inputFocused), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-borderless\"), !bordered), _classNames3), className); // Fix bug of https://github.com/facebook/react/pull/5004\n        // and https://fb.me/react-unknown-prop\n\n        var inputProps = omit(otherProps, ['onChange', 'options', 'popupPlacement', 'transitionName', 'displayRender', 'onPopupVisibleChange', 'changeOnSelect', 'expandTrigger', 'popupVisible', 'getPopupContainer', 'loadData', 'popupClassName', 'filterOption', 'renderFilteredOption', 'sortFilteredOption', 'notFoundContent', 'fieldNames', 'bordered']);\n        var options = props.options;\n        var names = getFilledFieldNames(_this.props);\n\n        if (options && options.length > 0) {\n          if (state.inputValue) {\n            options = _this.generateFilteredOptions(prefixCls, renderEmpty);\n          }\n        } else {\n          options = [getEmptyNode(renderEmpty, names, notFoundContent)];\n        } // Dropdown menu should keep previous status until it is fully closed.\n\n\n        if (!state.popupVisible) {\n          options = _this.cachedOptions;\n        } else {\n          _this.cachedOptions = options;\n        }\n\n        var dropdownMenuColumnStyle = {};\n        var isNotFound = (options || []).length === 1 && options[0].isEmptyNode;\n\n        if (isNotFound) {\n          dropdownMenuColumnStyle.height = 'auto'; // Height of one row.\n        } // The default value of `matchInputWidth` is `true`\n\n\n        var resultListMatchInputWidth = showSearch.matchInputWidth !== false;\n\n        if (resultListMatchInputWidth && (state.inputValue || isNotFound) && _this.input) {\n          dropdownMenuColumnStyle.width = _this.input.input.offsetWidth;\n        }\n\n        var inputIcon;\n\n        if (suffixIcon) {\n          inputIcon = replaceElement(suffixIcon, /*#__PURE__*/React.createElement(\"span\", {\n            className: \"\".concat(prefixCls, \"-picker-arrow\")\n          }, suffixIcon), function () {\n            var _classNames4;\n\n            return {\n              className: classNames((_classNames4 = {}, _defineProperty(_classNames4, suffixIcon.props.className, suffixIcon.props.className), _defineProperty(_classNames4, \"\".concat(prefixCls, \"-picker-arrow\"), true), _classNames4))\n            };\n          });\n        } else {\n          inputIcon = /*#__PURE__*/React.createElement(DownOutlined, {\n            className: arrowCls\n          });\n        }\n\n        var input = children || /*#__PURE__*/React.createElement(\"span\", {\n          style: style,\n          className: pickerCls\n        }, /*#__PURE__*/React.createElement(\"span\", {\n          className: \"\".concat(prefixCls, \"-picker-label\")\n        }, _this.getLabel()), /*#__PURE__*/React.createElement(Input, _extends({}, inputProps, {\n          tabIndex: \"-1\",\n          ref: _this.saveInput,\n          prefixCls: inputPrefixCls,\n          placeholder: value && value.length > 0 ? undefined : placeholder,\n          className: \"\".concat(prefixCls, \"-input \").concat(sizeCls),\n          value: state.inputValue,\n          disabled: disabled,\n          readOnly: !showSearch,\n          autoComplete: inputProps.autoComplete || 'off',\n          onClick: showSearch ? _this.handleInputClick : undefined,\n          onBlur: showSearch ? _this.handleInputBlur : undefined,\n          onKeyDown: _this.handleKeyDown,\n          onChange: showSearch ? _this.handleInputChange : undefined\n        })), clearIcon, inputIcon);\n        var expandIconNode;\n\n        if (expandIcon) {\n          expandIconNode = expandIcon;\n        } else {\n          expandIconNode = isRtlLayout ? /*#__PURE__*/React.createElement(LeftOutlined, null) : /*#__PURE__*/React.createElement(RightOutlined, null);\n        }\n\n        var loadingIcon = /*#__PURE__*/React.createElement(\"span\", {\n          className: \"\".concat(prefixCls, \"-menu-item-loading-icon\")\n        }, /*#__PURE__*/React.createElement(RedoOutlined, {\n          spin: true\n        }));\n        var getPopupContainer = props.getPopupContainer || getContextPopupContainer;\n        var rest = omit(props, ['inputIcon', 'expandIcon', 'loadingIcon', 'bordered', 'className']);\n        var rcCascaderPopupClassName = classNames(popupClassName, (_classNames5 = {}, _defineProperty(_classNames5, \"\".concat(prefixCls, \"-menu-\").concat(direction), direction === 'rtl'), _defineProperty(_classNames5, \"\".concat(prefixCls, \"-menu-empty\"), options.length === 1 && options[0].value === 'ANT_CASCADER_NOT_FOUND'), _classNames5));\n        return /*#__PURE__*/React.createElement(RcCascader, _extends({}, rest, {\n          prefixCls: prefixCls,\n          getPopupContainer: getPopupContainer,\n          options: options,\n          value: value,\n          popupVisible: state.popupVisible,\n          onPopupVisibleChange: _this.handlePopupVisibleChange,\n          onChange: _this.handleChange,\n          dropdownMenuColumnStyle: dropdownMenuColumnStyle,\n          expandIcon: expandIconNode,\n          loadingIcon: loadingIcon,\n          popupClassName: rcCascaderPopupClassName,\n          popupPlacement: _this.getPopupPlacement(direction),\n          dropdownRender: dropdownRender\n        }), input);\n      });\n    };\n\n    _this.state = {\n      value: props.value || props.defaultValue || [],\n      inputValue: '',\n      inputFocused: false,\n      popupVisible: props.popupVisible,\n      flattenOptions: props.showSearch ? flattenTree(props.options, props) : undefined,\n      prevProps: props\n    };\n    return _this;\n  }\n\n  _createClass(Cascader, [{\n    key: \"componentWillUnmount\",\n    value: function componentWillUnmount() {\n      if (this.clearSelectionTimeout) {\n        clearTimeout(this.clearSelectionTimeout);\n      }\n    }\n  }, {\n    key: \"getLabel\",\n    value: function getLabel() {\n      var _this$props = this.props,\n          options = _this$props.options,\n          _this$props$displayRe = _this$props.displayRender,\n          displayRender = _this$props$displayRe === void 0 ? defaultDisplayRender : _this$props$displayRe;\n      var names = getFilledFieldNames(this.props);\n      var value = this.state.value;\n      var unwrappedValue = Array.isArray(value[0]) ? value[0] : value;\n      var selectedOptions = arrayTreeFilter(options, function (o, level) {\n        return o[names.value] === unwrappedValue[level];\n      }, {\n        childrenKeyName: names.children\n      });\n      var label = selectedOptions.length ? selectedOptions.map(function (o) {\n        return o[names.label];\n      }) : value;\n      return displayRender(label, selectedOptions);\n    }\n  }, {\n    key: \"generateFilteredOptions\",\n    value: function generateFilteredOptions(prefixCls, renderEmpty) {\n      var _this2 = this;\n\n      var _this$props2 = this.props,\n          showSearch = _this$props2.showSearch,\n          notFoundContent = _this$props2.notFoundContent;\n      var names = getFilledFieldNames(this.props);\n      var _showSearch$filter = showSearch.filter,\n          filter = _showSearch$filter === void 0 ? defaultFilterOption : _showSearch$filter,\n          _showSearch$render = showSearch.render,\n          render = _showSearch$render === void 0 ? defaultRenderFilteredOption : _showSearch$render,\n          _showSearch$sort = showSearch.sort,\n          sort = _showSearch$sort === void 0 ? defaultSortFilteredOption : _showSearch$sort,\n          _showSearch$limit = showSearch.limit,\n          limit = _showSearch$limit === void 0 ? defaultLimit : _showSearch$limit;\n      var _this$state2 = this.state,\n          _this$state2$flattenO = _this$state2.flattenOptions,\n          flattenOptions = _this$state2$flattenO === void 0 ? [] : _this$state2$flattenO,\n          inputValue = _this$state2.inputValue; // Limit the filter if needed\n\n      var filtered;\n\n      if (limit > 0) {\n        filtered = [];\n        var matchCount = 0; // Perf optimization to filter items only below the limit\n\n        flattenOptions.some(function (path) {\n          var match = filter(_this2.state.inputValue, path, names);\n\n          if (match) {\n            filtered.push(path);\n            matchCount += 1;\n          }\n\n          return matchCount >= limit;\n        });\n      } else {\n        devWarning(typeof limit !== 'number', 'Cascader', \"'limit' of showSearch should be positive number or false.\");\n        filtered = flattenOptions.filter(function (path) {\n          return filter(_this2.state.inputValue, path, names);\n        });\n      }\n\n      filtered = filtered.sort(function (a, b) {\n        return sort(a, b, inputValue, names);\n      });\n\n      if (filtered.length > 0) {\n        // Fix issue: https://github.com/ant-design/ant-design/issues/26554\n        var field = names.value === names.label ? keepFilteredValueField : names.value;\n        return filtered.map(function (path) {\n          var _ref4;\n\n          return _ref4 = {\n            __IS_FILTERED_OPTION: true,\n            path: path\n          }, _defineProperty(_ref4, field, path.map(function (o) {\n            return o[names.value];\n          })), _defineProperty(_ref4, names.label, render(inputValue, path, prefixCls, names)), _defineProperty(_ref4, \"disabled\", path.some(function (o) {\n            return !!o.disabled;\n          })), _defineProperty(_ref4, \"isEmptyNode\", true), _ref4;\n        });\n      }\n\n      return [getEmptyNode(renderEmpty, names, notFoundContent)];\n    }\n  }, {\n    key: \"focus\",\n    value: function focus() {\n      this.input.focus();\n    }\n  }, {\n    key: \"blur\",\n    value: function blur() {\n      this.input.blur();\n    }\n  }, {\n    key: \"getPopupPlacement\",\n    value: function getPopupPlacement() {\n      var direction = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'ltr';\n      var popupPlacement = this.props.popupPlacement;\n\n      if (popupPlacement !== undefined) {\n        return popupPlacement;\n      }\n\n      return direction === 'rtl' ? 'bottomRight' : 'bottomLeft';\n    }\n  }, {\n    key: \"render\",\n    value: function render() {\n      var _this3 = this;\n\n      return /*#__PURE__*/React.createElement(ConfigConsumer, null, function (configArgument) {\n        return /*#__PURE__*/React.createElement(LocaleReceiver, null, function (locale) {\n          return _this3.renderCascader(configArgument, locale);\n        });\n      });\n    }\n  }], [{\n    key: \"getDerivedStateFromProps\",\n    value: function getDerivedStateFromProps(nextProps, _ref5) {\n      var prevProps = _ref5.prevProps;\n      var newState = {\n        prevProps: nextProps\n      };\n\n      if ('value' in nextProps) {\n        newState.value = nextProps.value || [];\n      }\n\n      if ('popupVisible' in nextProps) {\n        newState.popupVisible = nextProps.popupVisible;\n      }\n\n      if (nextProps.showSearch && prevProps.options !== nextProps.options) {\n        newState.flattenOptions = flattenTree(nextProps.options, nextProps);\n      }\n\n      if (process.env.NODE_ENV !== 'production' && nextProps.options) {\n        warningValueNotExist(nextProps.options, getFieldNames(nextProps));\n      }\n\n      return newState;\n    }\n  }]);\n\n  return Cascader;\n}(React.Component);\n\nCascader.defaultProps = {\n  transitionName: 'slide-up',\n  options: [],\n  disabled: false,\n  allowClear: true,\n  bordered: true\n};\nexport default 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_extends from \"@babel/runtime/helpers/extends\";\nimport _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _assertThisInitialized from \"@babel/runtime/helpers/assertThisInitialized\";\nimport _inherits from \"@babel/runtime/helpers/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/createSuper\";\nimport _defineProperty from \"@babel/runtime/helpers/defineProperty\";\n\nvar __rest = this && this.__rest || function (s, e) {\n  var t = {};\n\n  for (var p in s) {\n    if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];\n  }\n\n  if (s != null && typeof Object.getOwnPropertySymbols === \"function\") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n    if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];\n  }\n  return t;\n};\n\nimport * as React from 'react';\nimport RcCascader from 'rc-cascader';\nimport arrayTreeFilter from 'array-tree-filter';\nimport classNames from 'classnames';\nimport omit from 'omit.js';\nimport KeyCode from \"rc-util/es/KeyCode\";\nimport CloseCircleFilled from '@ant-design/icons/CloseCircleFilled';\nimport DownOutlined from '@ant-design/icons/DownOutlined';\nimport RightOutlined from '@ant-design/icons/RightOutlined';\nimport RedoOutlined from '@ant-design/icons/RedoOutlined';\nimport LeftOutlined from '@ant-design/icons/LeftOutlined';\nimport Input from '../input';\nimport { ConfigConsumer } from '../config-provider';\nimport LocaleReceiver from '../locale-provider/LocaleReceiver';\nimport devWarning from '../_util/devWarning';\nimport SizeContext from '../config-provider/SizeContext';\nimport { replaceElement } from '../_util/reactNode'; // We limit the filtered item count by default\n\nvar defaultLimit = 50; // keep value when filtering\n\nvar keepFilteredValueField = '__KEEP_FILTERED_OPTION_VALUE';\n\nfunction highlightKeyword(str, keyword, prefixCls) {\n  return str.split(keyword).map(function (node, index) {\n    return index === 0 ? node : [/*#__PURE__*/React.createElement(\"span\", {\n      className: \"\".concat(prefixCls, \"-menu-item-keyword\"),\n      key: \"seperator\"\n    }, keyword), node];\n  });\n}\n\nfunction defaultFilterOption(inputValue, path, names) {\n  return path.some(function (option) {\n    return option[names.label].indexOf(inputValue) > -1;\n  });\n}\n\nfunction defaultRenderFilteredOption(inputValue, path, prefixCls, names) {\n  return path.map(function (option, index) {\n    var label = option[names.label];\n    var node = label.indexOf(inputValue) > -1 ? highlightKeyword(label, inputValue, prefixCls) : label;\n    return index === 0 ? node : [' / ', node];\n  });\n}\n\nfunction defaultSortFilteredOption(a, b, inputValue, names) {\n  function callback(elem) {\n    return elem[names.label].indexOf(inputValue) > -1;\n  }\n\n  return a.findIndex(callback) - b.findIndex(callback);\n}\n\nfunction getFieldNames(_ref) {\n  var fieldNames = _ref.fieldNames;\n  return fieldNames;\n}\n\nfunction getFilledFieldNames(props) {\n  var fieldNames = getFieldNames(props) || {};\n  var names = {\n    children: fieldNames.children || 'children',\n    label: fieldNames.label || 'label',\n    value: fieldNames.value || 'value'\n  };\n  return names;\n}\n\nfunction flattenTree(options, props) {\n  var ancestor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];\n  var names = getFilledFieldNames(props);\n  var flattenOptions = [];\n  var childrenName = names.children;\n  options.forEach(function (option) {\n    var path = ancestor.concat(option);\n\n    if (props.changeOnSelect || !option[childrenName] || !option[childrenName].length) {\n      flattenOptions.push(path);\n    }\n\n    if (option[childrenName]) {\n      flattenOptions = flattenOptions.concat(flattenTree(option[childrenName], props, path));\n    }\n  });\n  return flattenOptions;\n}\n\nvar defaultDisplayRender = function defaultDisplayRender(label) {\n  return label.join(' / ');\n};\n\nfunction warningValueNotExist(list) {\n  var fieldNames = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n  (list || []).forEach(function (item) {\n    var valueFieldName = fieldNames.value || 'value';\n    devWarning(valueFieldName in item, 'Cascader', 'Not found `value` in `options`.');\n    warningValueNotExist(item[fieldNames.children || 'children'], fieldNames);\n  });\n}\n\nfunction getEmptyNode(renderEmpty, names, notFoundContent) {\n  var _ref2;\n\n  return _ref2 = {}, _defineProperty(_ref2, names.value, 'ANT_CASCADER_NOT_FOUND'), _defineProperty(_ref2, names.label, notFoundContent || renderEmpty('Cascader')), _defineProperty(_ref2, \"disabled\", true), _defineProperty(_ref2, \"isEmptyNode\", true), _ref2;\n}\n\nvar Cascader = /*#__PURE__*/function (_React$Component) {\n  _inherits(Cascader, _React$Component);\n\n  var _super = _createSuper(Cascader);\n\n  function Cascader(props) {\n    var _this;\n\n    _classCallCheck(this, Cascader);\n\n    _this = _super.call(this, props);\n    _this.cachedOptions = [];\n\n    _this.setValue = function (value) {\n      var selectedOptions = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n\n      if (!('value' in _this.props)) {\n        _this.setState({\n          value: value\n        });\n      }\n\n      var onChange = _this.props.onChange;\n\n      if (onChange) {\n        onChange(value, selectedOptions);\n      }\n    };\n\n    _this.saveInput = function (node) {\n      _this.input = node;\n    };\n\n    _this.handleChange = function (value, selectedOptions) {\n      _this.setState({\n        inputValue: ''\n      });\n\n      if (selectedOptions[0].__IS_FILTERED_OPTION) {\n        var unwrappedValue = selectedOptions[0][keepFilteredValueField] === undefined ? value[0] : selectedOptions[0][keepFilteredValueField];\n        var unwrappedSelectedOptions = selectedOptions[0].path;\n\n        _this.setValue(unwrappedValue, unwrappedSelectedOptions);\n\n        return;\n      }\n\n      _this.setValue(value, selectedOptions);\n    };\n\n    _this.handlePopupVisibleChange = function (popupVisible) {\n      if (!('popupVisible' in _this.props)) {\n        _this.setState(function (state) {\n          return {\n            popupVisible: popupVisible,\n            inputFocused: popupVisible,\n            inputValue: popupVisible ? state.inputValue : ''\n          };\n        });\n      }\n\n      var onPopupVisibleChange = _this.props.onPopupVisibleChange;\n\n      if (onPopupVisibleChange) {\n        onPopupVisibleChange(popupVisible);\n      }\n    };\n\n    _this.handleInputBlur = function () {\n      _this.setState({\n        inputFocused: false\n      });\n    };\n\n    _this.handleInputClick = function (e) {\n      var _this$state = _this.state,\n          inputFocused = _this$state.inputFocused,\n          popupVisible = _this$state.popupVisible; // Prevent `Trigger` behaviour.\n\n      if (inputFocused || popupVisible) {\n        e.stopPropagation();\n      }\n    };\n\n    _this.handleKeyDown = function (e) {\n      // SPACE => https://github.com/ant-design/ant-design/issues/16871\n      if (e.keyCode === KeyCode.BACKSPACE || e.keyCode === KeyCode.SPACE) {\n        e.stopPropagation();\n      }\n    };\n\n    _this.handleInputChange = function (e) {\n      var popupVisible = _this.state.popupVisible;\n      var inputValue = e.target.value;\n\n      if (!popupVisible) {\n        _this.handlePopupVisibleChange(true);\n      }\n\n      _this.setState({\n        inputValue: inputValue\n      });\n    };\n\n    _this.clearSelection = function (e) {\n      var inputValue = _this.state.inputValue;\n      e.preventDefault();\n      e.stopPropagation();\n\n      if (!inputValue) {\n        _this.handlePopupVisibleChange(false);\n\n        _this.clearSelectionTimeout = setTimeout(function () {\n          _this.setValue([]);\n        }, 200);\n      } else {\n        _this.setState({\n          inputValue: ''\n        });\n      }\n    };\n\n    _this.renderCascader = function (_ref3, locale) {\n      var getContextPopupContainer = _ref3.getPopupContainer,\n          getPrefixCls = _ref3.getPrefixCls,\n          renderEmpty = _ref3.renderEmpty,\n          direction = _ref3.direction;\n      return /*#__PURE__*/React.createElement(SizeContext.Consumer, null, function (size) {\n        var _classNames, _classNames2, _classNames3, _classNames5;\n\n        var _assertThisInitialize = _assertThisInitialized(_this),\n            props = _assertThisInitialize.props,\n            state = _assertThisInitialize.state;\n\n        var customizePrefixCls = props.prefixCls,\n            customizeInputPrefixCls = props.inputPrefixCls,\n            children = props.children,\n            _props$placeholder = props.placeholder,\n            placeholder = _props$placeholder === void 0 ? locale.placeholder || 'Please select' : _props$placeholder,\n            customizeSize = props.size,\n            disabled = props.disabled,\n            className = props.className,\n            style = props.style,\n            allowClear = props.allowClear,\n            _props$showSearch = props.showSearch,\n            showSearch = _props$showSearch === void 0 ? false : _props$showSearch,\n            suffixIcon = props.suffixIcon,\n            expandIcon = props.expandIcon,\n            notFoundContent = props.notFoundContent,\n            popupClassName = props.popupClassName,\n            bordered = props.bordered,\n            dropdownRender = props.dropdownRender,\n            otherProps = __rest(props, [\"prefixCls\", \"inputPrefixCls\", \"children\", \"placeholder\", \"size\", \"disabled\", \"className\", \"style\", \"allowClear\", \"showSearch\", \"suffixIcon\", \"expandIcon\", \"notFoundContent\", \"popupClassName\", \"bordered\", \"dropdownRender\"]);\n\n        var mergedSize = customizeSize || size;\n        var value = state.value,\n            inputFocused = state.inputFocused;\n        var isRtlLayout = direction === 'rtl';\n        var prefixCls = getPrefixCls('cascader', customizePrefixCls);\n        var inputPrefixCls = getPrefixCls('input', customizeInputPrefixCls);\n        var sizeCls = classNames((_classNames = {}, _defineProperty(_classNames, \"\".concat(inputPrefixCls, \"-lg\"), mergedSize === 'large'), _defineProperty(_classNames, \"\".concat(inputPrefixCls, \"-sm\"), mergedSize === 'small'), _classNames));\n        var clearIcon = allowClear && !disabled && value.length > 0 || state.inputValue ? /*#__PURE__*/React.createElement(CloseCircleFilled, {\n          className: \"\".concat(prefixCls, \"-picker-clear\"),\n          onClick: _this.clearSelection\n        }) : null;\n        var arrowCls = classNames((_classNames2 = {}, _defineProperty(_classNames2, \"\".concat(prefixCls, \"-picker-arrow\"), true), _defineProperty(_classNames2, \"\".concat(prefixCls, \"-picker-arrow-expand\"), state.popupVisible), _classNames2));\n        var pickerCls = classNames(\"\".concat(prefixCls, \"-picker\"), (_classNames3 = {}, _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-rtl\"), isRtlLayout), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-with-value\"), state.inputValue), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-disabled\"), disabled), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-\").concat(mergedSize), !!mergedSize), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-show-search\"), !!showSearch), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-focused\"), inputFocused), _defineProperty(_classNames3, \"\".concat(prefixCls, \"-picker-borderless\"), !bordered), _classNames3), className); // Fix bug of https://github.com/facebook/react/pull/5004\n        // and https://fb.me/react-unknown-prop\n\n        var inputProps = omit(otherProps, ['onChange', 'options', 'popupPlacement', 'transitionName', 'displayRender', 'onPopupVisibleChange', 'changeOnSelect', 'expandTrigger', 'popupVisible', 'getPopupContainer', 'loadData', 'popupClassName', 'filterOption', 'renderFilteredOption', 'sortFilteredOption', 'notFoundContent', 'fieldNames', 'bordered']);\n        var options = props.options;\n        var names = getFilledFieldNames(_this.props);\n\n        if (options && options.length > 0) {\n          if (state.inputValue) {\n            options = _this.generateFilteredOptions(prefixCls, renderEmpty);\n          }\n        } else {\n          options = [getEmptyNode(renderEmpty, names, notFoundContent)];\n        } // Dropdown menu should keep previous status until it is fully closed.\n\n\n        if (!state.popupVisible) {\n          options = _this.cachedOptions;\n        } else {\n          _this.cachedOptions = options;\n        }\n\n        var dropdownMenuColumnStyle = {};\n        var isNotFound = (options || []).length === 1 && options[0].isEmptyNode;\n\n        if (isNotFound) {\n          dropdownMenuColumnStyle.height = 'auto'; // Height of one row.\n        } // The default value of `matchInputWidth` is `true`\n\n\n        var resultListMatchInputWidth = showSearch.matchInputWidth !== false;\n\n        if (resultListMatchInputWidth && (state.inputValue || isNotFound) && _this.input) {\n          dropdownMenuColumnStyle.width = _this.input.input.offsetWidth;\n        }\n\n        var inputIcon;\n\n        if (suffixIcon) {\n          inputIcon = replaceElement(suffixIcon, /*#__PURE__*/React.createElement(\"span\", {\n            className: \"\".concat(prefixCls, \"-picker-arrow\")\n          }, suffixIcon), function () {\n            var _classNames4;\n\n            return {\n              className: classNames((_classNames4 = {}, _defineProperty(_classNames4, suffixIcon.props.className, suffixIcon.props.className), _defineProperty(_classNames4, \"\".concat(prefixCls, \"-picker-arrow\"), true), _classNames4))\n            };\n          });\n        } else {\n          inputIcon = /*#__PURE__*/React.createElement(DownOutlined, {\n            className: arrowCls\n          });\n        }\n\n        var input = children || /*#__PURE__*/React.createElement(\"span\", {\n          style: style,\n          className: pickerCls\n        }, /*#__PURE__*/React.createElement(\"span\", {\n          className: \"\".concat(prefixCls, \"-picker-label\")\n        }, _this.getLabel()), /*#__PURE__*/React.createElement(Input, _extends({}, inputProps, {\n          tabIndex: \"-1\",\n          ref: _this.saveInput,\n          prefixCls: inputPrefixCls,\n          placeholder: value && value.length > 0 ? undefined : placeholder,\n          className: \"\".concat(prefixCls, \"-input \").concat(sizeCls),\n          value: state.inputValue,\n          disabled: disabled,\n          readOnly: !showSearch,\n          autoComplete: inputProps.autoComplete || 'off',\n          onClick: showSearch ? _this.handleInputClick : undefined,\n          onBlur: showSearch ? _this.handleInputBlur : undefined,\n          onKeyDown: _this.handleKeyDown,\n          onChange: showSearch ? _this.handleInputChange : undefined\n        })), clearIcon, inputIcon);\n        var expandIconNode;\n\n        if (expandIcon) {\n          expandIconNode = expandIcon;\n        } else {\n          expandIconNode = isRtlLayout ? /*#__PURE__*/React.createElement(LeftOutlined, null) : /*#__PURE__*/React.createElement(RightOutlined, null);\n        }\n\n        var loadingIcon = /*#__PURE__*/React.createElement(\"span\", {\n          className: \"\".concat(prefixCls, \"-menu-item-loading-icon\")\n        }, /*#__PURE__*/React.createElement(RedoOutlined, {\n          spin: true\n        }));\n        var getPopupContainer = props.getPopupContainer || getContextPopupContainer;\n        var rest = omit(props, ['inputIcon', 'expandIcon', 'loadingIcon', 'bordered', 'className']);\n        var rcCascaderPopupClassName = classNames(popupClassName, (_classNames5 = {}, _defineProperty(_classNames5, \"\".concat(prefixCls, \"-menu-\").concat(direction), direction === 'rtl'), _defineProperty(_classNames5, \"\".concat(prefixCls, \"-menu-empty\"), options.length === 1 && options[0].value === 'ANT_CASCADER_NOT_FOUND'), _classNames5));\n        return /*#__PURE__*/React.createElement(RcCascader, _extends({}, rest, {\n          prefixCls: prefixCls,\n          getPopupContainer: getPopupContainer,\n          options: options,\n          value: value,\n          popupVisible: state.popupVisible,\n          onPopupVisibleChange: _this.handlePopupVisibleChange,\n          onChange: _this.handleChange,\n          dropdownMenuColumnStyle: dropdownMenuColumnStyle,\n          expandIcon: expandIconNode,\n          loadingIcon: loadingIcon,\n          popupClassName: rcCascaderPopupClassName,\n          popupPlacement: _this.getPopupPlacement(direction),\n          dropdownRender: dropdownRender\n        }), input);\n      });\n    };\n\n    _this.state = {\n      value: props.value || props.defaultValue || [],\n      inputValue: '',\n      inputFocused: false,\n      popupVisible: props.popupVisible,\n      flattenOptions: props.showSearch ? flattenTree(props.options, props) : undefined,\n      prevProps: props\n    };\n    return _this;\n  }\n\n  _createClass(Cascader, [{\n    key: \"componentWillUnmount\",\n    value: function componentWillUnmount() {\n      if (this.clearSelectionTimeout) {\n        clearTimeout(this.clearSelectionTimeout);\n      }\n    }\n  }, {\n    key: \"getLabel\",\n    value: function getLabel() {\n      var _this$props = this.props,\n          options = _this$props.options,\n          _this$props$displayRe = _this$props.displayRender,\n          displayRender = _this$props$displayRe === void 0 ? defaultDisplayRender : _this$props$displayRe;\n      var names = getFilledFieldNames(this.props);\n      var value = this.state.value;\n      var unwrappedValue = Array.isArray(value[0]) ? value[0] : value;\n      var selectedOptions = arrayTreeFilter(options, function (o, level) {\n        return o[names.value] === unwrappedValue[level];\n      }, {\n        childrenKeyName: names.children\n      });\n      var label = selectedOptions.length ? selectedOptions.map(function (o) {\n        return o[names.label];\n      }) : value;\n      return displayRender(label, selectedOptions);\n    }\n  }, {\n    key: \"generateFilteredOptions\",\n    value: function generateFilteredOptions(prefixCls, renderEmpty) {\n      var _this2 = this;\n\n      var _this$props2 = this.props,\n          showSearch = _this$props2.showSearch,\n          notFoundContent = _this$props2.notFoundContent;\n      var names = getFilledFieldNames(this.props);\n      var _showSearch$filter = showSearch.filter,\n          filter = _showSearch$filter === void 0 ? defaultFilterOption : _showSearch$filter,\n          _showSearch$render = showSearch.render,\n          render = _showSearch$render === void 0 ? defaultRenderFilteredOption : _showSearch$render,\n          _showSearch$sort = showSearch.sort,\n          sort = _showSearch$sort === void 0 ? defaultSortFilteredOption : _showSearch$sort,\n          _showSearch$limit = showSearch.limit,\n          limit = _showSearch$limit === void 0 ? defaultLimit : _showSearch$limit;\n      var _this$state2 = this.state,\n          _this$state2$flattenO = _this$state2.flattenOptions,\n          flattenOptions = _this$state2$flattenO === void 0 ? [] : _this$state2$flattenO,\n          inputValue = _this$state2.inputValue; // Limit the filter if needed\n\n      var filtered;\n\n      if (limit > 0) {\n        filtered = [];\n        var matchCount = 0; // Perf optimization to filter items only below the limit\n\n        flattenOptions.some(function (path) {\n          var match = filter(_this2.state.inputValue, path, names);\n\n          if (match) {\n            filtered.push(path);\n            matchCount += 1;\n          }\n\n          return matchCount >= limit;\n        });\n      } else {\n        devWarning(typeof limit !== 'number', 'Cascader', \"'limit' of showSearch should be positive number or false.\");\n        filtered = flattenOptions.filter(function (path) {\n          return filter(_this2.state.inputValue, path, names);\n        });\n      }\n\n      filtered = filtered.sort(function (a, b) {\n        return sort(a, b, inputValue, names);\n      });\n\n      if (filtered.length > 0) {\n        // Fix issue: https://github.com/ant-design/ant-design/issues/26554\n        var field = names.value === names.label ? keepFilteredValueField : names.value;\n        return filtered.map(function (path) {\n          var _ref4;\n\n          return _ref4 = {\n            __IS_FILTERED_OPTION: true,\n            path: path\n          }, _defineProperty(_ref4, field, path.map(function (o) {\n            return o[names.value];\n          })), _defineProperty(_ref4, names.label, render(inputValue, path, prefixCls, names)), _defineProperty(_ref4, \"disabled\", path.some(function (o) {\n            return !!o.disabled;\n          })), _defineProperty(_ref4, \"isEmptyNode\", true), _ref4;\n        });\n      }\n\n      return [getEmptyNode(renderEmpty, names, notFoundContent)];\n    }\n  }, {\n    key: \"focus\",\n    value: function focus() {\n      this.input.focus();\n    }\n  }, {\n    key: \"blur\",\n    value: function blur() {\n      this.input.blur();\n    }\n  }, {\n    key: \"getPopupPlacement\",\n    value: function getPopupPlacement() {\n      var direction = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'ltr';\n      var popupPlacement = this.props.popupPlacement;\n\n      if (popupPlacement !== undefined) {\n        return popupPlacement;\n      }\n\n      return direction === 'rtl' ? 'bottomRight' : 'bottomLeft';\n    }\n  }, {\n    key: \"render\",\n    value: function render() {\n      var _this3 = this;\n\n      return /*#__PURE__*/React.createElement(ConfigConsumer, null, function (configArgument) {\n        return /*#__PURE__*/React.createElement(LocaleReceiver, null, function (locale) {\n          return _this3.renderCascader(configArgument, locale);\n        });\n      });\n    }\n  }], [{\n    key: \"getDerivedStateFromProps\",\n    value: function getDerivedStateFromProps(nextProps, _ref5) {\n      var prevProps = _ref5.prevProps;\n      var newState = {\n        prevProps: nextProps\n      };\n\n      if ('value' in nextProps) {\n        newState.value = nextProps.value || [];\n      }\n\n      if ('popupVisible' in nextProps) {\n        newState.popupVisible = nextProps.popupVisible;\n      }\n\n      if (nextProps.showSearch && prevProps.options !== nextProps.options) {\n        newState.flattenOptions = flattenTree(nextProps.options, nextProps);\n      }\n\n      if (process.env.NODE_ENV !== 'production' && nextProps.options) {\n        warningValueNotExist(nextProps.options, getFieldNames(nextProps));\n      }\n\n      return newState;\n    }\n  }]);\n\n  return Cascader;\n}(React.Component);\n\nCascader.defaultProps = {\n  transitionName: 'slide-up',\n  options: [],\n  disabled: false,\n  allowClear: true,\n  bordered: true\n};\nexport default Cascader;"]},"metadata":{},"sourceType":"module"}