reducer-wrapped.js

import assign from 'object-assign';                                                                                                                          
import actionTypes from '../utility/action-types';

export default function = function(settings) {
  
  const defaultState = {                                                                                                                                       
    config: settings.filters,                                                                                                                                           
    values: {}                                                                                                                                                 
  };
  
  for (var x in filters) {                                                                                                                                     
    if (filters[x].default_value) {                                                                                                                            
      defaultState.values[x] = filters[x].default_value;                                                                                                       
    }                                                                                                                                                          
  }   
  
  return function(state, action) {                                                                                                                     
    switch (action.type) {                                                                                                                                     
      case actionTypes.UPDATE_FILTERS:                                                                                                                         
        var newValues = assign({}, defaultState.values, JSON.parse(action.values));                                                                            
        return assign({}, state, {values: newValues});                                                                                                         
      default:                                                                                                                                                 
        return assign({}, defaultState, state);                                                                                                                
    }
  }
  
}