talk/client/coral-framework/reducers/config.js

import {ADD_EXTERNAL_CONFIG} from '../constants/config';

const initialState = {};

export default function config(state = initialState, action) {
  switch (action.type) {
  case ADD_EXTERNAL_CONFIG:
    return {
      ...state,
      ...action.config
    };
  default:
    return state;
  }
}