在reducer中反应原生获取异步初始状态(react native get async initial state in reducer)

 据我所知，reducer中总有一个静态initialState，现在我想异步从远程服务器获取初始状态，我知道如何获取它们，我可以在相关的表示组件中的componentWillMount中执行此操作，但不是它只用于演示？ 在连接存储之前，我应该在哪里放置获取代码并获取初始状态？ 
 
getInitailState = () => {
    return (
      fetch(apis.GETINITAILURL)
        .then((response)=>response.json())
        .then((responseJson) => {
            return responseJson;
        })
        .catch(e=>e)
    )
}
 
 这里是reducer的原始完整代码： 
 
import * as TYPES from '../actions/types.js';
import ApiUtils from '../utils/ApiUtils.js';

const initailTaskState = [{
    "taskid": 1,
    "priority": 3,
    "desc": "Bug fix",
    "timestamp": 5
}]

const tasks = (state = initailTaskState , action) => {
  switch(action.type){
    case TYPES.ADD_TASK:
        return [
            ...state,
            action.task
        ]
    case TYPES.DELETE_TASK:
        return state.filter( task => task.taskid !== action.taskid);

    default:
        return state

  }
}
export default tasks;

as I understand, there is always a static initialState in reducer, now I want to async get the initial state from remote server, I know how to fetch them, and I could do this in componentWillMount in the related presentational component, but isn't it only use for presentation? where should I put below fetch code and get the initial state before it connect with store?
 
getInitailState = () => {
    return (
      fetch(apis.GETINITAILURL)
        .then((response)=>response.json())
        .then((responseJson) => {
            return responseJson;
        })
        .catch(e=>e)
    )
}
 
here is original full code for reducer:
 
import * as TYPES from '../actions/types.js';
import ApiUtils from '../utils/ApiUtils.js';

const initailTaskState = [{
    "taskid": 1,
    "priority": 3,
    "desc": "Bug fix",
    "timestamp": 5
}]

const tasks = (state = initailTaskState , action) => {
  switch(action.type){
    case TYPES.ADD_TASK:
        return [
            ...state,
            action.task
        ]
    case TYPES.DELETE_TASK:
        return state.filter( task => task.taskid !== action.taskid);

    default:
        return state

  }
}
export default tasks;

原文：https://stackoverflow.com/questions/41413769