"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = generateSelector;

var React = _interopRequireWildcard(require("react"));

var _KeyCode = _interopRequireDefault(require("rc-util/lib/KeyCode"));

var _classnames = _interopRequireDefault(require("classnames"));

var _useMergedState3 = _interopRequireDefault(require("rc-util/lib/hooks/useMergedState"));

var _Selector = _interopRequireDefault(require("./Selector"));

var _SelectTrigger = _interopRequireDefault(require("./SelectTrigger"));

var _generator = require("./interface/generator");

var _commonUtil = require("./utils/commonUtil");

var _TransBtn = _interopRequireDefault(require("./TransBtn"));

var _useLock3 = _interopRequireDefault(require("./hooks/useLock"));

var _useDelayReset3 = _interopRequireDefault(require("./hooks/useDelayReset"));

var _useLayoutEffect = _interopRequireDefault(require("./hooks/useLayoutEffect"));

var _valueUtil = require("./utils/valueUtil");

var _useSelectTriggerControl = _interopRequireDefault(require("./hooks/useSelectTriggerControl"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

var DEFAULT_OMIT_PROPS = ['removeIcon', 'placeholder', 'autoFocus', 'maxTagCount', 'maxTagTextLength', 'maxTagPlaceholder', 'choiceTransitionName', 'onInputKeyDown'];
/**
 * This function is in internal usage.
 * Do not use it in your prod env since we may refactor this.
 */

function generateSelector(config) {
  var defaultPrefixCls = config.prefixCls,
      OptionList = config.components.optionList,
      convertChildrenToData = config.convertChildrenToData,
      flattenOptions = config.flattenOptions,
      getLabeledValue = config.getLabeledValue,
      filterOptions = config.filterOptions,
      isValueDisabled = config.isValueDisabled,
      findValueOption = config.findValueOption,
      warningProps = config.warningProps,
      fillOptionsWithMissingValue = config.fillOptionsWithMissingValue,
      omitDOMProps = config.omitDOMProps; // Use raw define since `React.FC` not support generic

  function Select(props, ref) {
    var _classNames2;

    var _props$prefixCls = props.prefixCls,
        prefixCls = _props$prefixCls === void 0 ? defaultPrefixCls : _props$prefixCls,
        className = props.className,
        id = props.id,
        open = props.open,
        defaultOpen = props.defaultOpen,
        options = props.options,
        children = props.children,
        mode = props.mode,
        value = props.value,
        defaultValue = props.defaultValue,
        labelInValue = props.labelInValue,
        showSearch = props.showSearch,
        inputValue = props.inputValue,
        searchValue = props.searchValue,
        filterOption = props.filterOption,
        _props$optionFilterPr = props.optionFilterProp,
        optionFilterProp = _props$optionFilterPr === void 0 ? 'value' : _props$optionFilterPr,
        _props$autoClearSearc = props.autoClearSearchValue,
        autoClearSearchValue = _props$autoClearSearc === void 0 ? true : _props$autoClearSearc,
        onSearch = props.onSearch,
        allowClear = props.allowClear,
        clearIcon = props.clearIcon,
        showArrow = props.showArrow,
        inputIcon = props.inputIcon,
        menuItemSelectedIcon = props.menuItemSelectedIcon,
        disabled = props.disabled,
        loading = props.loading,
        defaultActiveFirstOption = props.defaultActiveFirstOption,
        _props$notFoundConten = props.notFoundContent,
        notFoundContent = _props$notFoundConten === void 0 ? 'Not Found' : _props$notFoundConten,
        optionLabelProp = props.optionLabelProp,
        backfill = props.backfill,
        getInputElement = props.getInputElement,
        getPopupContainer = props.getPopupContainer,
        _props$listHeight = props.listHeight,
        listHeight = _props$listHeight === void 0 ? 200 : _props$listHeight,
        _props$listItemHeight = props.listItemHeight,
        listItemHeight = _props$listItemHeight === void 0 ? 20 : _props$listItemHeight,
        animation = props.animation,
        transitionName = props.transitionName,
        virtual = props.virtual,
        dropdownStyle = props.dropdownStyle,
        dropdownClassName = props.dropdownClassName,
        dropdownMatchSelectWidth = props.dropdownMatchSelectWidth,
        dropdownRender = props.dropdownRender,
        dropdownAlign = props.dropdownAlign,
        _props$showAction = props.showAction,
        showAction = _props$showAction === void 0 ? [] : _props$showAction,
        direction = props.direction,
        tokenSeparators = props.tokenSeparators,
        tagRender = props.tagRender,
        onPopupScroll = props.onPopupScroll,
        onDropdownVisibleChange = props.onDropdownVisibleChange,
        onFocus = props.onFocus,
        onBlur = props.onBlur,
        onKeyUp = props.onKeyUp,
        onKeyDown = props.onKeyDown,
        onMouseDown = props.onMouseDown,
        onChange = props.onChange,
        onSelect = props.onSelect,
        onDeselect = props.onDeselect,
        _props$internalProps = props.internalProps,
        internalProps = _props$internalProps === void 0 ? {} : _props$internalProps,
        restProps = _objectWithoutProperties(props, ["prefixCls", "className", "id", "open", "defaultOpen", "options", "children", "mode", "value", "defaultValue", "labelInValue", "showSearch", "inputValue", "searchValue", "filterOption", "optionFilterProp", "autoClearSearchValue", "onSearch", "allowClear", "clearIcon", "showArrow", "inputIcon", "menuItemSelectedIcon", "disabled", "loading", "defaultActiveFirstOption", "notFoundContent", "optionLabelProp", "backfill", "getInputElement", "getPopupContainer", "listHeight", "listItemHeight", "animation", "transitionName", "virtual", "dropdownStyle", "dropdownClassName", "dropdownMatchSelectWidth", "dropdownRender", "dropdownAlign", "showAction", "direction", "tokenSeparators", "tagRender", "onPopupScroll", "onDropdownVisibleChange", "onFocus", "onBlur", "onKeyUp", "onKeyDown", "onMouseDown", "onChange", "onSelect", "onDeselect", "internalProps"]);

    var useInternalProps = internalProps.mark === _generator.INTERNAL_PROPS_MARK;
    var domProps = omitDOMProps ? omitDOMProps(restProps) : restProps;
    DEFAULT_OMIT_PROPS.forEach(function (prop) {
      delete domProps[prop];
    });
    var containerRef = React.useRef(null);
    var triggerRef = React.useRef(null);
    var selectorRef = React.useRef(null);
    var listRef = React.useRef(null);
    /** Used for component focused management */

    var _useDelayReset = (0, _useDelayReset3.default)(),
        _useDelayReset2 = _slicedToArray(_useDelayReset, 3),
        mockFocused = _useDelayReset2[0],
        setMockFocused = _useDelayReset2[1],
        cancelSetMockFocused = _useDelayReset2[2]; // Inner id for accessibility usage. Only work in client side


    var _React$useState = React.useState(),
        _React$useState2 = _slicedToArray(_React$useState, 2),
        innerId = _React$useState2[0],
        setInnerId = _React$useState2[1];

    React.useEffect(function () {
      setInnerId("rc_select_".concat((0, _commonUtil.getUUID)()));
    }, []);
    var mergedId = id || innerId; // optionLabelProp

    var mergedOptionLabelProp = optionLabelProp;

    if (mergedOptionLabelProp === undefined) {
      mergedOptionLabelProp = options ? 'label' : 'children';
    } // labelInValue


    var mergedLabelInValue = mode === 'combobox' ? false : labelInValue;
    var isMultiple = mode === 'tags' || mode === 'multiple';
    var mergedShowSearch = showSearch !== undefined ? showSearch : isMultiple || mode === 'combobox'; // ============================== Ref ===============================

    var selectorDomRef = React.useRef(null);
    React.useImperativeHandle(ref, function () {
      return {
        focus: selectorRef.current.focus,
        blur: selectorRef.current.blur
      };
    }); // ============================= Value ==============================

    var _React$useState3 = React.useState(value || defaultValue),
        _React$useState4 = _slicedToArray(_React$useState3, 2),
        innerValue = _React$useState4[0],
        setInnerValue = _React$useState4[1];

    var baseValue = value !== undefined ? value : innerValue; // Should reset when controlled to be uncontrolled

    var prevValueRef = React.useRef(value);
    React.useEffect(function () {
      if (prevValueRef.current !== value && (value === undefined || value === null)) {
        setInnerValue(undefined);
      }

      prevValueRef.current = value;
    }, [value]);
    /** Unique raw values */

    var mergedRawValue = React.useMemo(function () {
      return (0, _commonUtil.toInnerValue)(baseValue, {
        labelInValue: mergedLabelInValue,
        combobox: mode === 'combobox'
      });
    }, [baseValue, mergedLabelInValue]);
    /** We cache a set of raw values to speed up check */

    var rawValues = React.useMemo(function () {
      return new Set(mergedRawValue);
    }, [mergedRawValue]); // ============================= Option =============================
    // Set by option list active, it will merge into search input when mode is `combobox`

    var _React$useState5 = React.useState(null),
        _React$useState6 = _slicedToArray(_React$useState5, 2),
        activeValue = _React$useState6[0],
        setActiveValue = _React$useState6[1];

    var _React$useState7 = React.useState(''),
        _React$useState8 = _slicedToArray(_React$useState7, 2),
        innerSearchValue = _React$useState8[0],
        setInnerSearchValue = _React$useState8[1];

    var mergedSearchValue = innerSearchValue;

    if (mode === 'combobox' && value !== undefined) {
      mergedSearchValue = value;
    } else if (searchValue !== undefined) {
      mergedSearchValue = searchValue;
    } else if (inputValue) {
      mergedSearchValue = inputValue;
    }

    var mergedOptions = React.useMemo(function () {
      var newOptions = options;

      if (newOptions === undefined) {
        newOptions = convertChildrenToData(children);
      }
      /**
       * `tags` should fill un-list item.
       * This is not cool here since TreeSelect do not need this
       */


      if (mode === 'tags' && fillOptionsWithMissingValue) {
        newOptions = fillOptionsWithMissingValue(newOptions, baseValue, mergedOptionLabelProp, labelInValue);
      }

      return newOptions || [];
    }, [options, children, mode, baseValue]);
    var mergedFlattenOptions = React.useMemo(function () {
      return flattenOptions(mergedOptions, props);
    }, [mergedOptions]); // Display options for OptionList

    var displayOptions = React.useMemo(function () {
      if (!mergedSearchValue || !mergedShowSearch) {
        return _toConsumableArray(mergedOptions);
      }

      var filteredOptions = filterOptions(mergedSearchValue, mergedOptions, {
        optionFilterProp: optionFilterProp,
        filterOption: mode === 'combobox' && filterOption === undefined ? function () {
          return true;
        } : filterOption
      });

      if (mode === 'tags' && filteredOptions.every(function (opt) {
        return opt.value !== mergedSearchValue;
      })) {
        filteredOptions.unshift({
          value: mergedSearchValue,
          label: mergedSearchValue,
          key: '__RC_SELECT_TAG_PLACEHOLDER__'
        });
      }

      return filteredOptions;
    }, [mergedOptions, mergedSearchValue, mode, mergedShowSearch]);
    var displayFlattenOptions = React.useMemo(function () {
      return flattenOptions(displayOptions, props);
    }, [displayOptions]);
    React.useEffect(function () {
      if (listRef.current && listRef.current.scrollTo) {
        listRef.current.scrollTo(0);
      }
    }, [mergedSearchValue]); // ============================ Selector ============================

    var displayValues = React.useMemo(function () {
      return mergedRawValue.map(function (val) {
        var displayValue = getLabeledValue(val, {
          options: mergedFlattenOptions,
          prevValue: baseValue,
          labelInValue: mergedLabelInValue,
          optionLabelProp: mergedOptionLabelProp
        });
        return _objectSpread({}, displayValue, {
          disabled: isValueDisabled(val, mergedFlattenOptions)
        });
      });
    }, [baseValue, mergedOptions]);

    var triggerSelect = function triggerSelect(newValue, isSelect, source) {
      var outOption = findValueOption([newValue], mergedFlattenOptions)[0];

      if (!internalProps.skipTriggerSelect) {
        // Skip trigger `onSelect` or `onDeselect` if configured
        var selectValue = mergedLabelInValue ? getLabeledValue(newValue, {
          options: mergedFlattenOptions,
          prevValue: baseValue,
          labelInValue: mergedLabelInValue,
          optionLabelProp: mergedOptionLabelProp
        }) : newValue;

        if (isSelect && onSelect) {
          onSelect(selectValue, outOption);
        } else if (!isSelect && onDeselect) {
          onDeselect(selectValue, outOption);
        }
      } // Trigger internal event


      if (useInternalProps) {
        if (isSelect && internalProps.onRawSelect) {
          internalProps.onRawSelect(newValue, outOption, source);
        } else if (!isSelect && internalProps.onRawDeselect) {
          internalProps.onRawDeselect(newValue, outOption, source);
        }
      }
    };

    var triggerChange = function triggerChange(newRawValues) {
      if (useInternalProps && internalProps.skipTriggerChange) {
        return;
      }

      var outValues = (0, _commonUtil.toOuterValues)(Array.from(newRawValues), {
        labelInValue: mergedLabelInValue,
        options: mergedFlattenOptions,
        getLabeledValue: getLabeledValue,
        prevValue: baseValue,
        optionLabelProp: mergedOptionLabelProp
      });
      var outValue = isMultiple ? outValues : outValues[0]; // Skip trigger if prev & current value is both empty

      if (onChange && (mergedRawValue.length !== 0 || outValues.length !== 0)) {
        var outOptions = findValueOption(newRawValues, mergedFlattenOptions);
        onChange(outValue, isMultiple ? outOptions : outOptions[0]);
      }

      setInnerValue(outValue);
    };

    var onInternalSelect = function onInternalSelect(newValue, _ref) {
      var selected = _ref.selected,
          source = _ref.source;

      if (disabled) {
        return;
      }

      var newRawValue;

      if (isMultiple) {
        newRawValue = new Set(mergedRawValue);

        if (selected) {
          newRawValue.add(newValue);
        } else {
          newRawValue.delete(newValue);
        }
      } else {
        newRawValue = new Set();
        newRawValue.add(newValue);
      } // Multiple always trigger change and single should change if value changed


      if (isMultiple || !isMultiple && Array.from(mergedRawValue)[0] !== newValue) {
        triggerChange(Array.from(newRawValue));
      } // Trigger `onSelect`. Single mode always trigger select


      triggerSelect(newValue, !isMultiple || selected, source); // Clean search value if single or configured

      if (mode === 'combobox') {
        setInnerSearchValue(String(newValue));
        setActiveValue('');
      } else if (!isMultiple || autoClearSearchValue) {
        setInnerSearchValue('');
        setActiveValue('');
      }
    };

    var onInternalOptionSelect = function onInternalOptionSelect(newValue, info) {
      onInternalSelect(newValue, _objectSpread({}, info, {
        source: 'option'
      }));
    };

    var onInternalSelectionSelect = function onInternalSelectionSelect(newValue, info) {
      onInternalSelect(newValue, _objectSpread({}, info, {
        source: 'selection'
      }));
    }; // ============================= Input ==============================
    // Only works in `combobox`


    var customizeInputElement = mode === 'combobox' && getInputElement && getInputElement() || null; // ============================== Open ==============================

    var _useMergedState = (0, _useMergedState3.default)(undefined, {
      defaultValue: defaultOpen,
      value: open
    }),
        _useMergedState2 = _slicedToArray(_useMergedState, 2),
        innerOpen = _useMergedState2[0],
        setInnerOpen = _useMergedState2[1];

    var mergedOpen = innerOpen; // Not trigger `open` in `combobox` when `notFoundContent` is empty

    var emptyListContent = !notFoundContent && !displayOptions.length;

    if (disabled || emptyListContent && mergedOpen && mode === 'combobox') {
      mergedOpen = false;
    }

    var triggerOpen = emptyListContent ? false : mergedOpen;

    var onToggleOpen = function onToggleOpen(newOpen) {
      var nextOpen = newOpen !== undefined ? newOpen : !mergedOpen;

      if (innerOpen !== nextOpen && !disabled) {
        setInnerOpen(nextOpen);

        if (onDropdownVisibleChange) {
          onDropdownVisibleChange(nextOpen);
        }
      }
    };

    (0, _useSelectTriggerControl.default)([containerRef.current, triggerRef.current && triggerRef.current.getPopupElement()], triggerOpen, onToggleOpen); // ============================= Search =============================

    var triggerSearch = function triggerSearch(searchText) {
      var fromTyping = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
      var ret = true;
      var newSearchText = searchText;
      setActiveValue(null); // Check if match the `tokenSeparators`

      var patchLabels = (0, _valueUtil.getSeparatedContent)(searchText, tokenSeparators);
      var patchRawValues = patchLabels;

      if (mode === 'combobox') {
        // Only typing will trigger onChange
        if (fromTyping) {
          triggerChange([newSearchText]);
        }
      } else if (patchLabels) {
        newSearchText = '';

        if (mode !== 'tags') {
          patchRawValues = patchLabels.map(function (label) {
            var item = mergedFlattenOptions.find(function (_ref2) {
              var data = _ref2.data;
              return data[mergedOptionLabelProp] === label;
            });
            return item ? item.data.value : null;
          }).filter(function (val) {
            return val !== null;
          });
        }

        var newRawValues = Array.from(new Set([].concat(_toConsumableArray(mergedRawValue), _toConsumableArray(patchRawValues))));
        triggerChange(newRawValues);
        newRawValues.forEach(function (newRawValue) {
          triggerSelect(newRawValue, true, 'input');
        }); // Should close when paste finish

        onToggleOpen(false); // Tell Selector that break next actions

        ret = false;
      }

      setInnerSearchValue(newSearchText);

      if (onSearch && mergedSearchValue !== newSearchText) {
        onSearch(newSearchText);
      }

      return ret;
    }; // Close dropdown when disabled change


    React.useEffect(function () {
      if (innerOpen && !!disabled) {
        setInnerOpen(false);
      }
    }, [disabled]); // Close will clean up single mode search text

    React.useEffect(function () {
      if (!mergedOpen && !isMultiple && mode !== 'combobox') {
        triggerSearch('', false);
      }
    }, [mergedOpen]); // ============================ Keyboard ============================

    /**
     * We record input value here to check if can press to clean up by backspace
     * - null: Key is not down, this is reset by key up
     * - true: Search text is empty when first time backspace down
     * - false: Search text is not empty when first time backspace down
     */

    var _useLock = (0, _useLock3.default)(),
        _useLock2 = _slicedToArray(_useLock, 2),
        getClearLock = _useLock2[0],
        setClearLock = _useLock2[1]; // KeyDown


    var onInternalKeyDown = function onInternalKeyDown(event) {
      var clearLock = getClearLock();
      var which = event.which; // We only manage open state here, close logic should handle by list component

      if (!mergedOpen && which === _KeyCode.default.ENTER) {
        onToggleOpen(true);
      }

      setClearLock(!!mergedSearchValue); // Remove value by `backspace`

      if (which === _KeyCode.default.BACKSPACE && !clearLock && isMultiple && !mergedSearchValue && mergedRawValue.length) {
        var removeInfo = (0, _commonUtil.removeLastEnabledValue)(displayValues, mergedRawValue);

        if (removeInfo.removedValue !== null) {
          triggerChange(removeInfo.values);
          triggerSelect(removeInfo.removedValue, false, 'input');
        }
      }

      for (var _len = arguments.length, rest = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        rest[_key - 1] = arguments[_key];
      }

      if (mergedOpen && listRef.current) {
        var _listRef$current;

        (_listRef$current = listRef.current).onKeyDown.apply(_listRef$current, [event].concat(rest));
      }

      if (onKeyDown) {
        onKeyDown.apply(void 0, [event].concat(rest));
      }
    }; // KeyUp


    var onInternalKeyUp = function onInternalKeyUp(event) {
      for (var _len2 = arguments.length, rest = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
        rest[_key2 - 1] = arguments[_key2];
      }

      if (mergedOpen && listRef.current) {
        var _listRef$current2;

        (_listRef$current2 = listRef.current).onKeyUp.apply(_listRef$current2, [event].concat(rest));
      }

      if (onKeyUp) {
        onKeyUp.apply(void 0, [event].concat(rest));
      }
    }; // ========================== Focus / Blur ==========================

    /** Record real focus status */


    var focusRef = React.useRef(false);

    var onContainerFocus = function onContainerFocus() {
      setMockFocused(true);

      if (!disabled) {
        if (onFocus && !focusRef.current) {
          onFocus.apply(void 0, arguments);
        } // `showAction` should handle `focus` if set


        if (showAction.includes('focus')) {
          onToggleOpen(true);
        }
      }

      focusRef.current = true;
    };

    var onContainerBlur = function onContainerBlur() {
      setMockFocused(false, function () {
        focusRef.current = false;
        onToggleOpen(false);
      });

      if (disabled) {
        return;
      }

      if (mergedSearchValue) {
        // `tags` mode should move `searchValue` into values
        if (mode === 'tags') {
          triggerSearch('', false);
          triggerChange(Array.from(new Set([].concat(_toConsumableArray(mergedRawValue), [mergedSearchValue]))));
        } else if (mode === 'multiple') {
          // `multiple` mode only clean the search value but not trigger event
          setInnerSearchValue('');
        }
      }

      if (onBlur) {
        onBlur.apply(void 0, arguments);
      }
    };

    var activeTimeoutIds = [];
    React.useEffect(function () {
      return function () {
        activeTimeoutIds.forEach(function (timeoutId) {
          return clearTimeout(timeoutId);
        });
        activeTimeoutIds.splice(0, activeTimeoutIds.length);
      };
    }, []);

    var onInternalMouseDown = function onInternalMouseDown(event) {
      var target = event.target;
      var popupElement = triggerRef.current && triggerRef.current.getPopupElement(); // We should give focus back to selector if clicked item is not focusable

      if (popupElement && popupElement.contains(target)) {
        var timeoutId = setTimeout(function () {
          var index = activeTimeoutIds.indexOf(timeoutId);

          if (index !== -1) {
            activeTimeoutIds.splice(index, 1);
          }

          cancelSetMockFocused();

          if (!popupElement.contains(document.activeElement)) {
            selectorRef.current.focus();
          }
        });
        activeTimeoutIds.push(timeoutId);
      }

      if (onMouseDown) {
        for (var _len3 = arguments.length, restArgs = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
          restArgs[_key3 - 1] = arguments[_key3];
        }

        onMouseDown.apply(void 0, [event].concat(restArgs));
      }
    }; // ========================= Accessibility ==========================


    var _React$useState9 = React.useState(0),
        _React$useState10 = _slicedToArray(_React$useState9, 2),
        accessibilityIndex = _React$useState10[0],
        setAccessibilityIndex = _React$useState10[1];

    var mergedDefaultActiveFirstOption = defaultActiveFirstOption !== undefined ? defaultActiveFirstOption : mode !== 'combobox';

    var onActiveValue = function onActiveValue(active, index) {
      setAccessibilityIndex(index);

      if (backfill && mode === 'combobox' && active !== null) {
        setActiveValue(String(active));
      }
    }; // ============================= Popup ==============================


    var _React$useState11 = React.useState(null),
        _React$useState12 = _slicedToArray(_React$useState11, 2),
        containerWidth = _React$useState12[0],
        setContainerWidth = _React$useState12[1];

    (0, _useLayoutEffect.default)(function () {
      if (triggerOpen) {
        var newWidth = Math.ceil(containerRef.current.offsetWidth);

        if (containerWidth !== newWidth) {
          setContainerWidth(newWidth);
        }
      }
    }, [triggerOpen]);
    var popupNode = React.createElement(OptionList, {
      ref: listRef,
      prefixCls: prefixCls,
      id: mergedId,
      open: mergedOpen,
      childrenAsData: !options,
      options: displayOptions,
      flattenOptions: displayFlattenOptions,
      multiple: isMultiple,
      values: rawValues,
      height: listHeight,
      itemHeight: listItemHeight,
      onSelect: onInternalOptionSelect,
      onToggleOpen: onToggleOpen,
      onActiveValue: onActiveValue,
      defaultActiveFirstOption: mergedDefaultActiveFirstOption,
      notFoundContent: notFoundContent,
      onScroll: onPopupScroll,
      searchValue: mergedSearchValue,
      menuItemSelectedIcon: menuItemSelectedIcon,
      virtual: virtual !== false && dropdownMatchSelectWidth !== false
    }); // ============================= Clear ==============================

    var clearNode;

    var onClearMouseDown = function onClearMouseDown() {
      // Trigger internal `onClear` event
      if (useInternalProps && internalProps.onClear) {
        internalProps.onClear();
      }

      triggerChange([]);
      triggerSearch('', false);
    };

    if (!disabled && allowClear && (mergedRawValue.length || mergedSearchValue)) {
      clearNode = React.createElement(_TransBtn.default, {
        className: "".concat(prefixCls, "-clear"),
        onMouseDown: onClearMouseDown,
        customizeIcon: clearIcon
      }, "\xD7");
    } // ============================= Arrow ==============================


    var mergedShowArrow = showArrow !== undefined ? showArrow : loading || !isMultiple && mode !== 'combobox';
    var arrowNode;

    if (mergedShowArrow) {
      arrowNode = React.createElement(_TransBtn.default, {
        className: (0, _classnames.default)("".concat(prefixCls, "-arrow"), _defineProperty({}, "".concat(prefixCls, "-arrow-loading"), loading)),
        customizeIcon: inputIcon,
        customizeIconProps: {
          loading: loading,
          searchValue: mergedSearchValue,
          open: mergedOpen,
          focused: mockFocused,
          showSearch: mergedShowSearch
        }
      });
    } // ============================ Warning =============================


    if (process.env.NODE_ENV !== 'production' && warningProps) {
      warningProps(props);
    } // ============================= Render =============================


    var mergedClassName = (0, _classnames.default)(prefixCls, className, (_classNames2 = {}, _defineProperty(_classNames2, "".concat(prefixCls, "-focused"), mockFocused), _defineProperty(_classNames2, "".concat(prefixCls, "-multiple"), isMultiple), _defineProperty(_classNames2, "".concat(prefixCls, "-single"), !isMultiple), _defineProperty(_classNames2, "".concat(prefixCls, "-allow-clear"), allowClear), _defineProperty(_classNames2, "".concat(prefixCls, "-show-arrow"), mergedShowArrow), _defineProperty(_classNames2, "".concat(prefixCls, "-disabled"), disabled), _defineProperty(_classNames2, "".concat(prefixCls, "-loading"), loading), _defineProperty(_classNames2, "".concat(prefixCls, "-open"), mergedOpen), _defineProperty(_classNames2, "".concat(prefixCls, "-customize-input"), customizeInputElement), _defineProperty(_classNames2, "".concat(prefixCls, "-show-search"), mergedShowSearch), _classNames2));
    return React.createElement("div", Object.assign({
      className: mergedClassName
    }, domProps, {
      ref: containerRef,
      onMouseDown: onInternalMouseDown,
      onKeyDown: onInternalKeyDown,
      onKeyUp: onInternalKeyUp,
      onFocus: onContainerFocus,
      onBlur: onContainerBlur
    }), mockFocused && !mergedOpen && React.createElement("span", {
      style: {
        width: 0,
        height: 0,
        display: 'flex',
        overflow: 'hidden',
        opacity: 0
      },
      "aria-live": "polite"
    }, "".concat(mergedRawValue.join(', '))), React.createElement(_SelectTrigger.default, {
      ref: triggerRef,
      disabled: disabled,
      prefixCls: prefixCls,
      visible: triggerOpen,
      popupElement: popupNode,
      containerWidth: containerWidth,
      animation: animation,
      transitionName: transitionName,
      dropdownStyle: dropdownStyle,
      dropdownClassName: dropdownClassName,
      direction: direction,
      dropdownMatchSelectWidth: dropdownMatchSelectWidth,
      dropdownRender: dropdownRender,
      dropdownAlign: dropdownAlign,
      getPopupContainer: getPopupContainer,
      empty: !mergedOptions.length,
      getTriggerDOMNode: function getTriggerDOMNode() {
        return selectorDomRef.current;
      }
    }, React.createElement(_Selector.default, Object.assign({}, props, {
      domRef: selectorDomRef,
      prefixCls: prefixCls,
      inputElement: customizeInputElement,
      ref: selectorRef,
      id: mergedId,
      showSearch: mergedShowSearch,
      mode: mode,
      accessibilityIndex: accessibilityIndex,
      multiple: isMultiple,
      tagRender: tagRender,
      values: displayValues,
      open: mergedOpen,
      onToggleOpen: onToggleOpen,
      searchValue: mergedSearchValue,
      activeValue: activeValue,
      onSearch: triggerSearch,
      onSelect: onInternalSelectionSelect
    }))), arrowNode, clearNode);
  }

  var RefSelect = React.forwardRef(Select);
  return RefSelect;
}