addsearch-search-ui/src/reducers/sortby.js

JavaScript library to develop Search UIs for the web

import {
  SORTBY, DESC
} from '../actions/sortby';

const initialState = {
  field: ['relevance'],
  order: [DESC]
};

export default function sortby(state = initialState, action) {

  switch (action.type) {
    case SORTBY:
      return Object.assign({}, state, {
        field: typeof action.field === 'string' ? action.field.split(',') : action.field,
        order: typeof action.order === 'string' ? action.order.split(',') : action.order
      });

    default:
      return state
  }
}