Function stateReducer

packages/autocomplete-core/src/stateReducer.ts:7–181

(state, action)

import { getNextActiveItemId } from './utils';

export const stateReducer: Reducer = (state, action) => {
  switch (action.type) {
    case 'setActiveItemId': {
      return {
        ...state,
        activeItemId: action.payload,
      };
    }

    case 'setQuery': {
      return {
        ...state,
        query: action.payload,
        completion: null,
      };
    }

    case 'setCollections': {
      return {
        ...state,
        collections: action.payload,
      };
    }

    case 'setIsOpen': {
      return {
        ...state,
        isOpen: action.payload,
      };
    }

    case 'setStatus': {
      return {
        ...state,
        status: action.payload,
      };
    }

    case 'setContext': {
      return {
        ...state,
        context: {
          ...state.context,
          ...action.payload,
        },
      };
    }

    case 'ArrowDown': {
      const nextState = {
        ...state,
        activeItemId: action.payload.hasOwnProperty('nextActiveItemId')
          ? action.payload.nextActiveItemId
          : getNextActiveItemId(
              1,
              state.activeItemId,
              getItemsCount(state),
              action.props.defaultActiveItemId