@algolia/autocomplete-core/dist/esm/stateReducer.js

Core primitives for building autocomplete experiences.

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); 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 = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
import { getItemsCount, invariant } from '@algolia/autocomplete-shared';
import { getCompletion } from './getCompletion';
import { getNextActiveItemId } from './utils';
export var stateReducer = function stateReducer(state, action) {
  switch (action.type) {
    case 'setActiveItemId':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: action.payload
        });
      }
    case 'setQuery':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          query: action.payload,
          completion: null
        });
      }
    case 'setCollections':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          collections: action.payload
        });
      }
    case 'setIsOpen':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          isOpen: action.payload
        });
      }
    case 'setStatus':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          status: action.payload
        });
      }
    case 'setContext':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          context: _objectSpread(_objectSpread({}, state.context), action.payload)
        });
      }
    case 'ArrowDown':
      {
        var nextState = _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: action.payload.hasOwnProperty('nextActiveItemId') ? action.payload.nextActiveItemId : getNextActiveItemId(1, state.activeItemId, getItemsCount(state), action.props.defaultActiveItemId)
        });
        return _objectSpread(_objectSpread({}, nextState), {}, {
          completion: getCompletion({
            state: nextState
          })
        });
      }
    case 'ArrowUp':
      {
        var _nextState = _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: getNextActiveItemId(-1, state.activeItemId, getItemsCount(state), action.props.defaultActiveItemId)
        });
        return _objectSpread(_objectSpread({}, _nextState), {}, {
          completion: getCompletion({
            state: _nextState
          })
        });
      }
    case 'Escape':
      {
        if (state.isOpen) {
          return _objectSpread(_objectSpread({}, state), {}, {
            activeItemId: null,
            isOpen: false,
            completion: null
          });
        }
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: null,
          query: '',
          status: 'idle',
          collections: []
        });
      }
    case 'submit':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: null,
          isOpen: false,
          status: 'idle'
        });
      }
    case 'reset':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId:
          // Since we open the panel on reset when openOnFocus=true
          // we need to restore the highlighted index to the defaultActiveItemId. (DocSearch use-case)

          // Since we close the panel when openOnFocus=false
          // we lose track of the highlighted index. (Query-suggestions use-case)
          action.props.openOnFocus === true ? action.props.defaultActiveItemId : null,
          status: 'idle',
          completion: null,
          query: ''
        });
      }
    case 'focus':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: action.props.defaultActiveItemId,
          isOpen: (action.props.openOnFocus || Boolean(state.query)) && action.props.shouldPanelOpen({
            state: state
          })
        });
      }
    case 'blur':
      {
        if (action.props.debug) {
          return state;
        }
        return _objectSpread(_objectSpread({}, state), {}, {
          isOpen: false,
          activeItemId: null
        });
      }
    case 'mousemove':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: action.payload
        });
      }
    case 'mouseleave':
      {
        return _objectSpread(_objectSpread({}, state), {}, {
          activeItemId: action.props.defaultActiveItemId
        });
      }
    default:
      invariant(false, "The reducer action ".concat(JSON.stringify(action.type), " is not supported."));
      return state;
  }
};