@e-group/redux-modules/esm/immutable/entities/entities.js

eGroup team react-redux modules that share across projects.

import { handleActions } from 'redux-actions';
import { fromJS, Map } from '@e-group/immutable';
import merger from './merger';
import { SET_ENTITIES, SET_ENTITIES_SHALLOW, SET_ENTITIES_ARRAY_CONCAT, DELETE_ENTITIES_IN } from '../../entities';
const initialState = fromJS({});
/**
 * Reducer
 */

export const entities = handleActions({
  [SET_ENTITIES]: (state, action) => {
    if (action.payload) {
      if (action.meta && typeof Array.isArray(action.meta.path)) {
        return state.setIn(action.meta.path, state.getIn(action.meta.path, Map()).mergeWith(merger, action.payload));
      }

      return state.mergeWith(merger, action.payload);
    }

    return state;
  },
  [SET_ENTITIES_SHALLOW]: (state, action) => {
    if (action.payload) {
      if (action.meta && typeof Array.isArray(action.meta.path)) {
        return state.mergeIn(action.meta.path, action.payload);
      }

      return state.merge(action.payload);
    }

    return state;
  },
  [SET_ENTITIES_ARRAY_CONCAT]: (state, action) => {
    if (action.payload) {
      if (action.meta && typeof Array.isArray(action.meta.path)) {
        return state.setIn(action.meta.path, state.getIn(action.meta.path, Map()).mergeDeep(action.payload));
      }

      return state.mergeDeep(action.payload);
    }

    return state;
  },
  [DELETE_ENTITIES_IN]: (state, action) => {
    if (action.payload) {
      return state.deleteIn(action.payload);
    }

    return state;
  }
}, initialState);