@helpscout/hsds-react/components/Dropdown/Dropdown.reducer.js

React component library for Help Scout's Design System

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports.default = exports.initialItemState = void 0;

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _Dropdown = _interopRequireDefault(require("./Dropdown.actionTypes"));

var _Dropdown2 = require("./Dropdown.store");

var _lodash = _interopRequireDefault(require("lodash.isfunction"));

// Deprecated

/* istanbul ignore file */
var initialItemState = {
  index: null,
  previousIndex: null
};
exports.initialItemState = initialItemState;

var reducer = function reducer(state, action) {
  if (state === void 0) {
    state = _Dropdown2.initialState;
  }

  if (action === void 0) {
    action = {};
  }

  var nextState;
  var _action = action,
      payload = _action.payload;

  switch (action.type) {
    // Interactions
    case _Dropdown.default.CHANGE_DIRECTION:
      nextState = {
        direction: state.direction === 'right' ? 'left' : 'right'
      };
      break;

    case _Dropdown.default.OPEN_DROPDOWN:
      nextState = (0, _extends2.default)({}, initialItemState, {
        isOpen: true
      }, payload);
      break;

    case _Dropdown.default.CLOSE_DROPDOWN:
      nextState = (0, _extends2.default)({}, initialItemState, {
        isOpen: false
      });
      break;

    case _Dropdown.default.MENU_MOUNT:
      nextState = {
        isMounted: true
      };
      break;

    case _Dropdown.default.MENU_UNMOUNT:
      nextState = {
        isMounted: false
      };
      break;

    case _Dropdown.default.FOCUS_ITEM:
      nextState = (0, _extends2.default)({}, payload, {
        previousIndex: state.index
      });
      break;

    case _Dropdown.default.SELECT_ITEM:
      nextState = (0, _extends2.default)({}, payload, {
        isOpen: state.closeOnSelect ? false : state.isOpen,
        previousSelectedItem: state.selectedItem
      });
      break;

    case _Dropdown.default.UPDATE_SELECTED_ITEM:
      nextState = (0, _extends2.default)({}, state, {
        previousSelectedItem: state.selectedItem,
        selectedItem: payload.selectedItem
      });
      break;

    case _Dropdown.default.CLEAR_SELECTION:
      nextState = (0, _extends2.default)({}, payload, {
        previousSelectedItem: state.selectedItem,
        isOpen: state.closeOnSelect ? false : state.isOpen
      });
      break;
    // Node references

    case _Dropdown.default.SET_MENU_NODE:
      nextState = (0, _extends2.default)({}, payload);
      break;

    case _Dropdown.default.SET_TRIGGER_NODE:
      nextState = (0, _extends2.default)({}, payload);
      break;
    // Data

    case _Dropdown.default.UPDATE_ITEMS:
      nextState = (0, _extends2.default)({}, payload);
      break;

    case _Dropdown.default.UPDATE_INPUT_VALUE:
      nextState = (0, _extends2.default)({}, payload);
      break;

    case _Dropdown.default.UPDATE_INDEX:
      nextState = (0, _extends2.default)({}, payload);
      break;

    case _Dropdown.default.UPDATE_OPEN:
      nextState = (0, _extends2.default)({}, payload);
      break;

    case _Dropdown.default.UPDATE_DROPUP:
      nextState = (0, _extends2.default)({}, payload);
      break;
    // This prevents eslint errors

    default:
      break;
  }

  var nextReducedState = (0, _extends2.default)({}, state, nextState);

  if ((0, _lodash.default)(state.stateReducer)) {
    return state.stateReducer(nextReducedState, action);
  } else {
    return nextReducedState;
  }
};

var _default = reducer;
exports.default = _default;