lucid-ui/lib/components/DropMenu/DropMenu.js

A UI component library from AppNexus.

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); }

import _every from "lodash/every";
import _assign from "lodash/assign";
import _keys from "lodash/keys";
import _includes from "lodash/includes";
import _findIndex from "lodash/findIndex";
import _findLastIndex from "lodash/findLastIndex";
import _isEmpty from "lodash/isEmpty";
import _isNumber from "lodash/isNumber";
import _first from "lodash/first";
import _isNull from "lodash/isNull";
import _isNil from "lodash/isNil";
import _get from "lodash/get";
import _concat from "lodash/concat";
import _groupBy from "lodash/groupBy";
import _map from "lodash/map";
import _noop from "lodash/noop";
import _size from "lodash/size";
import _reduce from "lodash/reduce";

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; }

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 _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

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 _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(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

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 _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 _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

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; }

import React from 'react';
import PropTypes from 'react-peek/prop-types';
import { lucidClassNames, uniqueName } from '../../util/style-helpers';
import { getFirst, rejectTypes, findTypes, omitProps } from '../../util/component-types';
import { scrollParentTo } from '../../util/dom-helpers';
import { buildModernHybridComponent } from '../../util/state-management';
import * as KEYCODE from '../../constants/key-code';
import * as reducers from './DropMenu.reducers';
import ContextMenu from '../ContextMenu/ContextMenu';

function joinArray(array, getSeparator) {
  return _reduce(array, function (newArray, element, index) {
    newArray.push(element);

    if (index < _size(array) - 1) {
      newArray.push(getSeparator(element, index, array));
    }

    return newArray;
  }, []);
}

function isOptionVisible(option) {
  return !option.optionProps.isHidden;
}

var cx = lucidClassNames.bind('&-DropMenu');
var any = PropTypes.any,
    arrayOf = PropTypes.arrayOf,
    bool = PropTypes.bool,
    func = PropTypes.func,
    node = PropTypes.node,
    number = PropTypes.number,
    object = PropTypes.object,
    oneOf = PropTypes.oneOf,
    string = PropTypes.string;

var Header = function Header(_props) {
  return null;
};

Header.displayName = 'DropMenu.Header';
Header.peek = {
  description: "\n\t\tAn optional header to be displayed within the expanded Flyout,\n\t\tabove all `Option`s.\n\t"
};
Header.propName = 'Header';
Header.propTypes = {};

var Control = function Control(_props) {
  return null;
};

Control.displayName = 'DropMenu.Control';
Control.peek = {
  description: "\n\t\tRenders a `<div>` that acts as the control target which the\n\t\tflyout menu is anchored to. Only one `Control` is used.\n\t"
};
Control.propName = 'Control';
Control.propTypes = {};

var OptionGroup = function OptionGroup(_props) {
  return null;
};

OptionGroup.displayName = 'DropMenu.OptionGroup';
OptionGroup.peek = {
  description: "\n\t\tA special kind of `Option` that is always rendered at the top of\n\t\tthe menu and has an `optionIndex` of `null`. Useful for\n\t\tunselect.\n\t"
};
OptionGroup.propName = 'OptionGroup';
OptionGroup.propTypes = {
  isHidden: bool
};
OptionGroup.defaultProps = {
  isHidden: false
};

var Option = function Option(_props) {
  return null;
};

Option.displayName = 'DropMenu.Option';
Option.peek = {
  description: "\n\t\tRenders a `<div>` that acts as an option in the menu.\n\t"
};
Option.propName = 'Option';
Option.propTypes = {
  isDisabled: bool,
  isHidden: bool,
  isWrapped: bool
};
Option.defaultProps = {
  isDisabled: false,
  isHidden: false,
  isWrapped: true
};

var NullOption = function NullOption(_props) {
  return null;
};

NullOption.displayName = 'DropMenu.NullOption';
NullOption.peek = {
  description: "\n\t\tA special kind of `Option` that is always rendered at the top of\n\t\tthe menu and has an `optionIndex` of `null` used for\n\t\tdeselecting.\n\t"
};
NullOption.propName = 'NullOption';
NullOption.propTypes = {};

var FixedOption = function FixedOption(_props) {
  return null;
};

FixedOption.displayName = 'DropMenu.FixedOption';
FixedOption.peek = {
  description: "\n\t\tA special kind of `Option` that is always rendered at the top of\n\t\tthe menu.\n\t"
};
FixedOption.propName = 'FixedOption';
FixedOption.propTypes = {
  isDisabled: bool,
  isHidden: bool,
  isWrapped: bool
};
FixedOption.defaultProps = {
  isDisabled: false,
  isHidden: false,
  isWrapped: true
};

var DropMenuContextMenu = function DropMenuContextMenu(_props) {
  return null;
};

DropMenuContextMenu.displayName = 'DropMenu.ContextMenu';
DropMenuContextMenu.peek = {
  description: "\n\t\tProps that are passed through to the underlying ContextMenu.\n\t"
};
DropMenuContextMenu.propName = 'ContextMenu';
DropMenuContextMenu.propTypes = {
  children: node
};

var DropMenu = /*#__PURE__*/function (_React$Component) {
  _inherits(DropMenu, _React$Component);

  var _super = _createSuper(DropMenu);

  function DropMenu(_props2) {
    var _this;

    _classCallCheck(this, DropMenu);

    _this = _super.call(this, _props2);

    _defineProperty(_assertThisInitialized(_this), "_header", void 0);

    _defineProperty(_assertThisInitialized(_this), "getPreprocessedOptionData", function (props) {
      return DropMenu.preprocessOptionData(props, DropMenu);
    });

    _defineProperty(_assertThisInitialized(_this), "handleKeydown", function (event) {
      var _assertThisInitialize = _assertThisInitialized(_this),
          props = _assertThisInitialize.props,
          _assertThisInitialize2 = _assertThisInitialize.props,
          isExpanded = _assertThisInitialize2.isExpanded,
          focusedIndex = _assertThisInitialize2.focusedIndex,
          onExpand = _assertThisInitialize2.onExpand,
          onCollapse = _assertThisInitialize2.onCollapse,
          onSelect = _assertThisInitialize2.onSelect,
          onFocusOption = _assertThisInitialize2.onFocusOption;

      var _this$state = _this.state,
          flattenedOptionsData = _this$state.flattenedOptionsData,
          nullOptions = _this$state.nullOptions;

      _this.setState({
        isMouseTriggered: false
      });

      if (isExpanded) {
        if (event.keyCode === KEYCODE.Enter) {
          event.preventDefault();

          var focusedOptionData = _get(flattenedOptionsData, _isNil(focusedIndex) ? '' : focusedIndex, null);

          var focusedOptionProps = _get(focusedOptionData, 'optionProps', Option.defaultProps);

          if (focusedOptionData && !focusedOptionProps.isDisabled) {
            onSelect && onSelect(focusedIndex, {
              props: focusedOptionProps,
              event: event
            });
          } else if (_isNull(focusedIndex)) {
            onSelect && onSelect(null, {
              props: _first(nullOptions),
              event: event
            });
          }
        }

        if (event.keyCode === KEYCODE.Escape) {
          event.preventDefault();
          onCollapse && onCollapse({
            props: props,
            event: event
          });
        }

        if (event.keyCode === KEYCODE.ArrowUp) {
          if (_isNumber(focusedIndex) || _isNull(focusedIndex)) {
            if (focusedIndex === 0) {
              if (!_isEmpty(nullOptions)) {
                event.preventDefault();
                onFocusOption && onFocusOption(null, {
                  props: props,
                  event: event
                });
              }
            }

            if (!_isNil(focusedIndex) && focusedIndex > 0) {
              event.preventDefault();
              onFocusOption && onFocusOption(_findLastIndex(flattenedOptionsData, isOptionVisible, focusedIndex - 1), {
                props: props,
                event: event
              });
            }
          } else {
            event.preventDefault();
            focusedIndex && onFocusOption && onFocusOption(_findLastIndex(flattenedOptionsData, isOptionVisible, focusedIndex - 1), {
              props: props,
              event: event
            });
          }
        }

        if (event.keyCode === KEYCODE.ArrowDown) {
          if (_isNumber(focusedIndex)) {
            if (focusedIndex < _size(flattenedOptionsData) - 1) {
              event.preventDefault();
              onFocusOption && onFocusOption(_findIndex(flattenedOptionsData, isOptionVisible, focusedIndex + 1), {
                props: props,
                event: event
              });
            }
          } else {
            event.preventDefault();
            onFocusOption && onFocusOption(_findIndex(flattenedOptionsData, isOptionVisible, !_isNil(focusedIndex) ? focusedIndex : undefined), {
              props: props,
              event: event
            });
          }
        }
      } else {
        if (event.keyCode === KEYCODE.ArrowDown) {
          event.preventDefault();
          onExpand && onExpand({
            props: props,
            event: event
          });
        }
      }
    });

    _defineProperty(_assertThisInitialized(_this), "handleClick", function (event) {
      var _assertThisInitialize3 = _assertThisInitialized(_this),
          props = _assertThisInitialize3.props,
          _assertThisInitialize4 = _assertThisInitialize3.props,
          isExpanded = _assertThisInitialize4.isExpanded,
          onExpand = _assertThisInitialize4.onExpand,
          onCollapse = _assertThisInitialize4.onCollapse;

      if (isExpanded) {
        onCollapse && onCollapse({
          props: props,
          event: event
        });
      } else {
        onExpand && onExpand({
          props: props,
          event: event
        });
      }
    });

    _defineProperty(_assertThisInitialized(_this), "handleMouseFocusOption", function (optionIndex, optionProps, event) {
      var _this$props = _this.props,
          focusedIndex = _this$props.focusedIndex,
          onFocusOption = _this$props.onFocusOption;

      _this.setState({
        isMouseTriggered: true
      });

      if (!optionProps.isDisabled && focusedIndex !== optionIndex) {
        onFocusOption && onFocusOption(optionIndex, {
          props: _this.props,
          event: event
        });
      }
    });

    _defineProperty(_assertThisInitialized(_this), "handleSelectOption", function (optionIndex, optionProps, event) {
      var onSelect = _this.props.onSelect;

      if (!optionProps.isDisabled) {
        onSelect && onSelect(optionIndex, {
          props: optionProps,
          event: event
        });
      }
    });

    _defineProperty(_assertThisInitialized(_this), "renderOption", function (optionProps, optionIndex) {
      var isGrouped = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      var _this$props2 = _this.props,
          selectedIndices = _this$props2.selectedIndices,
          focusedIndex = _this$props2.focusedIndex;
      var isMouseTriggered = _this.state.isMouseTriggered;
      var isDisabled = optionProps.isDisabled,
          isHidden = optionProps.isHidden,
          isWrapped = optionProps.isWrapped;
      var isFocused = optionIndex === focusedIndex;

      var isSelected = _includes(selectedIndices, optionIndex);

      return isHidden ? null : /*#__PURE__*/React.createElement("div", _extends({
        key: 'DropMenuOption' + optionIndex
      }, omitProps(optionProps, undefined, [].concat(_toConsumableArray(_keys(DropMenu.Option.propTypes)), ['Selection'])), {
        onClick: function onClick(event) {
          return _this.handleSelectOption(optionIndex, optionProps, event);
        },
        onMouseMove: function onMouseMove(event) {
          return _this.handleMouseFocusOption(optionIndex, optionProps, event);
        },
        className: cx('&-Option', {
          '&-Option-is-grouped': isGrouped,
          '&-Option-is-focused': isFocused,
          '&-Option-is-selected': isSelected,
          '&-Option-is-disabled': isDisabled,
          '&-Option-is-null': _isNull(optionIndex),
          '&-Option-is-wrapped': isWrapped
        }, optionProps.className),
        ref: function ref(optionHTMLElement) {
          if (isFocused && !isMouseTriggered) {
            scrollParentTo(optionHTMLElement, _this._header && _this._header.current ? _this._header.current.offsetHeight : undefined);
          }
        }
      }));
    });

    _defineProperty(_assertThisInitialized(_this), "UNSAFE_componentWillReceiveProps", function (nextProps) {
      // only preprocess options data when it changes (via new props) - better performance than doing this each render
      _this.setState(_this.getPreprocessedOptionData(nextProps));
    });

    _this.state = _objectSpread({
      optionGroups: [],
      flattenedOptionsData: [],
      ungroupedOptionData: [],
      optionGroupDataLookup: {},
      nullOptions: [],
      fixedOptionData: [],
      isMouseTriggered: false,
      portalId: _this.props.portalId || uniqueName('DropMenu-Portal-'),
      isExpanded: false,
      focusedIndex: null,
      optionGroupIndex: null,
      optionProps: [],
      selectedIndices: []
    }, _this.getPreprocessedOptionData(_props2));
    _this._header = /*#__PURE__*/React.createRef();
    return _this;
  }

  _createClass(DropMenu, [{
    key: "render",
    value: function render() {
      var _this2 = this;

      var _this$props3 = this.props,
          className = _this$props3.className,
          style = _this$props3.style,
          isDisabled = _this$props3.isDisabled,
          isExpanded = _this$props3.isExpanded,
          direction = _this$props3.direction,
          alignment = _this$props3.alignment,
          onCollapse = _this$props3.onCollapse,
          flyOutStyle = _this$props3.flyOutStyle,
          optionContainerStyle = _this$props3.optionContainerStyle,
          passThroughs = _objectWithoutProperties(_this$props3, ["className", "style", "isDisabled", "isExpanded", "direction", "alignment", "onCollapse", "flyOutStyle", "optionContainerStyle"]);

      var _this$state2 = this.state,
          optionGroups = _this$state2.optionGroups,
          fixedOptionData = _this$state2.fixedOptionData,
          ungroupedOptionData = _this$state2.ungroupedOptionData,
          optionGroupDataLookup = _this$state2.optionGroupDataLookup,
          nullOptions = _this$state2.nullOptions,
          portalId = _this$state2.portalId;

      var contextMenuProps = _get(getFirst(this.props, DropMenu.ContextMenu), 'props', {});

      var controlProps = _get(getFirst(this.props, DropMenu.Control), 'props', {});

      var headerProps = _get(getFirst(this.props, DropMenu.Header), 'props', {});

      return /*#__PURE__*/React.createElement("div", _extends({
        className: cx('&', '&-base', {
          '&-is-expanded': isExpanded,
          '&-direction-down': isExpanded && direction === 'down',
          '&-direction-up': isExpanded && direction === 'up'
        }, className),
        style: style
      }, omitProps(passThroughs, undefined, _keys(DropMenu.propTypes))), /*#__PURE__*/React.createElement(ContextMenu, _extends({}, contextMenuProps, {
        portalId: portalId,
        isExpanded: isExpanded,
        direction: direction,
        alignment: alignment,
        onClickOut: onCollapse
      }), /*#__PURE__*/React.createElement(ContextMenu.Target, null, /*#__PURE__*/React.createElement("div", _extends({}, !isDisabled ? {
        tabIndex: 0,
        onClick: this.handleClick,
        onKeyDown: this.handleKeydown
      } : null, controlProps, {
        className: cx('&-Control', _get(controlProps, 'className'))
      }))), /*#__PURE__*/React.createElement(ContextMenu.FlyOut, {
        className: cx('&', className),
        style: flyOutStyle
      }, !_isEmpty(headerProps) && /*#__PURE__*/React.createElement("div", _extends({}, headerProps, {
        className: cx('&-Header', headerProps.className),
        onKeyDown: this.handleKeydown,
        ref: this._header
      })), /*#__PURE__*/React.createElement("div", {
        className: cx('&-option-container'),
        style: _assign({}, flyOutStyle, optionContainerStyle)
      }, _map(nullOptions, function (optionProps) {
        return _this2.renderOption(optionProps, null);
      }).concat(_isEmpty(nullOptions) ? [] : [/*#__PURE__*/React.createElement("div", {
        key: 'OptionGroup-divider-NullOption',
        className: cx('&-OptionGroup-divider')
      })]), // fixed options go first
      _map(fixedOptionData, function (_ref) {
        var optionProps = _ref.optionProps,
            optionIndex = _ref.optionIndex;
        return _this2.renderOption(optionProps, optionIndex);
      }), joinArray( // for each option group,
      _map(optionGroups, function (optionGroupProps, optionGroupIndex) {
        var groupedOptions = optionGroupDataLookup[optionGroupIndex];

        if (optionGroupProps.isHidden || _every(groupedOptions, {
          optionProps: {
            isHidden: true
          }
        })) {
          return null;
        }

        var labelElements = rejectTypes(optionGroupProps.children, [DropMenu.Control, DropMenu.OptionGroup, DropMenu.Option, DropMenu.NullOption]); // render label if there is one

        return (_isEmpty(labelElements) ? [] : [/*#__PURE__*/React.createElement("div", _extends({}, omitProps(optionGroupProps, undefined, _keys(DropMenu.OptionGroup.propTypes)), {
          key: 'OptionGroup-label' + optionGroupIndex,
          className: cx('&-label', optionGroupProps.className)
        }), labelElements) // render the options in the group
        ]).concat(_map(optionGroupDataLookup[optionGroupIndex], function (_ref2) {
          var optionProps = _ref2.optionProps,
              optionIndex = _ref2.optionIndex;
          return _this2.renderOption(optionProps, optionIndex, true);
        })); // append all ungrouped options as another unlabeled group
      }).concat(_isEmpty(ungroupedOptionData) ? [] : [_map(ungroupedOptionData, function (_ref3) {
        var optionProps = _ref3.optionProps,
            optionIndex = _ref3.optionIndex;
        return _this2.renderOption(optionProps, optionIndex);
      })]), function (element, index) {
        return element && /*#__PURE__*/React.createElement("div", {
          key: "OptionGroup-divider-".concat(index),
          className: cx('&-OptionGroup-divider')
        });
      } // separate each group with divider
      )))));
    }
  }]);

  return DropMenu;
}(React.Component);

_defineProperty(DropMenu, "displayName", 'DropMenu');

_defineProperty(DropMenu, "ContextMenu", DropMenuContextMenu);

_defineProperty(DropMenu, "FixedOption", FixedOption);

_defineProperty(DropMenu, "NullOption", NullOption);

_defineProperty(DropMenu, "Option", Option);

_defineProperty(DropMenu, "OptionGroup", OptionGroup);

_defineProperty(DropMenu, "Control", Control);

_defineProperty(DropMenu, "Header", Header);

_defineProperty(DropMenu, "peek", {
  ContextMenu: DropMenuContextMenu,
  description: "\n\t\t\t\t`DropMenu` is a helper component used to render a menu of options attached to\n\t\t\t\tany control. Supports option groups with and without labels as well as\n\t\t\t\tspecial options with a `null` index for unselect.\n\t\t\t",
  categories: ['helpers'],
  madeFrom: ['ContextMenu']
});

_defineProperty(DropMenu, "reducers", reducers);

_defineProperty(DropMenu, "propTypes", {
  children: node,
  className: string,
  style: object,
  isDisabled: bool,
  isExpanded: bool,
  direction: oneOf(['down', 'up']),
  alignment: oneOf(['start', 'center', 'end']),
  selectedIndices: arrayOf(number),
  focusedIndex: number,
  portalId: string,
  flyOutStyle: object,
  optionContainerStyle: object,
  onExpand: func,
  onCollapse: func,
  onSelect: func,
  onFocusNext: func,
  onFocusPrev: func,
  onFocusOption: func,
  Control: any,
  Option: any,
  OptionGroup: any,
  NullOption: any,
  Header: any,
  ContextMenu: any,
  FixedOption: any
});

_defineProperty(DropMenu, "defaultProps", {
  isDisabled: false,
  isExpanded: false,
  direction: 'down',
  alignment: 'start',
  selectedIndices: [],
  focusedIndex: null,
  flyOutStyle: {
    maxHeight: '18em'
  },
  onExpand: _noop,
  onCollapse: _noop,
  onSelect: _noop,
  onFocusNext: _noop,
  onFocusPrev: _noop,
  onFocusOption: _noop,
  portalId: '',
  optionContainerStyle: {},
  ContextMenu: ContextMenu.defaultProps
});

_defineProperty(DropMenu, "preprocessOptionData", function (props, ParentType) {
  var OptionGroup = ParentType.OptionGroup,
      Option = ParentType.Option,
      NullOption = ParentType.NullOption,
      FixedOption = ParentType.FixedOption;

  var optionGroups = _map(findTypes(props, OptionGroup), 'props'); // find all OptionGroup props


  var fixedOptions = _map(findTypes(props, FixedOption), 'props'); // find all FixedOption props


  var ungroupedOptions = _map(findTypes(props, Option), 'props'); // find all ungrouped Option props


  var nullOptions = NullOption ? _map(findTypes(props, NullOption), 'props') : []; // find all NullOption props

  var fixedOptionData = _map(fixedOptions, function (optionProps, localOptionIndex) {
    return {
      localOptionIndex: localOptionIndex,
      optionIndex: localOptionIndex,
      optionGroupIndex: null,
      // ungrouped options have no `optionGroupIndex`
      optionProps: optionProps
    };
  }); // flatten grouped options into array of objects to associate { index, group index, and props } for each option


  var groupedOptionData = _reduce(optionGroups, function (memo, optionGroupProps, optionGroupIndex) {
    var groupedOptions = _map(findTypes(optionGroupProps, Option), 'props'); // find all Option props for current group


    return memo.concat(_map(groupedOptions, function (optionProps, localOptionIndex) {
      return {
        localOptionIndex: localOptionIndex,
        optionIndex: _size(memo) + _size(fixedOptionData) + localOptionIndex,
        // add current index to current array length to get final option index
        optionGroupIndex: optionGroupIndex,
        // store option group index to associate option back to group
        optionProps: _objectSpread({
          isHidden: false
        }, optionProps)
      };
    }));
  }, []); // create lookup object for options by their group index


  var optionGroupDataLookup = _groupBy(groupedOptionData, 'optionGroupIndex'); // store ungrouped options into array of objects to associate { index, and props } for each option


  var ungroupedOptionData = _map(ungroupedOptions, function (optionProps, localOptionIndex) {
    return {
      localOptionIndex: localOptionIndex,
      optionIndex: _size(groupedOptionData) + _size(fixedOptionData) + localOptionIndex,
      // add current index to grouped options array length to get final option index (grouped options rendered first)
      optionGroupIndex: null,
      // ungrouped options have no `optionGroupIndex`
      optionProps: _objectSpread({
        isHidden: false
      }, optionProps)
    };
  }); // concatenate grouped options array with ungrouped options array to get flat list of all options


  var flattenedOptionsData = _concat(fixedOptionData, groupedOptionData, ungroupedOptionData);

  return {
    optionGroups: optionGroups,
    optionGroupDataLookup: optionGroupDataLookup,
    fixedOptionData: fixedOptionData,
    ungroupedOptionData: ungroupedOptionData,
    flattenedOptionsData: flattenedOptionsData,
    nullOptions: nullOptions
  };
});

export default buildModernHybridComponent(DropMenu, {
  reducers: reducers
});
export { DropMenu as DropMenuDumb, NullOption, OptionGroup };