我正在尝试将我的redux状态同步到PouchDB实例,但是遇到了麻烦。
正如日志中所显示的那样,在执行操作后,我的redux状态既不会同步到PouchDB,也不会在更新时同步到PuxDB文档到redux状态。
我尝试实现redux-pouchdb
,因为它是在jrzerr/react-redux-pouchdb中实现的,但是我既没有收到错误,也没有同步。
这是我正在使用的代码:
减速器(modules / mainbase.js):
import { persistentReducer } from 'redux-pouchdb';
export const INPUT_CHANGED = 'mainbase/INPUT_CHANGED'
const initialState = {}
function mainbase (state = initialState, action) {
switch (action.type) {
case INPUT_CHANGED:
state[action.key] = action.value;
return {...state}
default:
return state;
}
}
export default persistentReducer(mainbase);
export const inputChanged = (key, value) => {
return dispatch => {
dispatch({
type: INPUT_CHANGED,
key: key,
value: value
})
}
}
根减少器(modules / index.js):
import { combineReducers } from 'redux'
import { routerReducer } from 'react-router-redux'
import mainbase from './mainbase'
export default combineReducers({
router: routerReducer,
mainbase
})
商店(store.js):
import { createStore, applyMiddleware, compose } from 'redux'
import { routerMiddleware } from 'react-router-redux'
import thunk from 'redux-thunk'
import createHistory from 'history/createBrowserHistory'
import rootReducer from './modules'
import { persistentStore } from 'redux-pouchdb'
import PouchDB from 'pouchdb'
export const history = createHistory()
const db = new PouchDB('testproject')
const initialState = {}
const enhancers = [
persistentStore(db)
]
const middleware = [
thunk,
routerMiddleware(history)
]
const composedEnhancers = compose(
applyMiddleware(...middleware),
...enhancers
)
const store = createStore(
rootReducer,
initialState,
composedEnhancers
)
export default store
感谢您的帮助。
最佳答案
在mainbase中,您将直接更新状态。这通常效果不佳。您应该首先创建当前状态的副本,更新副本,然后将更新后的副本作为新状态返回。