【每日一题】– 2019-09-10 - 实现Redux中的 combineReducers(reducers)

[azl397985856]

combineReducers可以允许你写多个reducer，然后通过它将多个reducer整合到一起，每一个reducer只会对其注册的key进行修改，不会影响其他reducer的state。

例子：

rootReducer = combineReducers({potato: potatoReducer, tomato: tomatoReducer})
// This would produce the following state object
{
  potato: {
    // ... potatoes, and other state managed by the potatoReducer ...
  },
  tomato: {
    // ... tomatoes, and other state managed by the tomatoReducer, maybe some nice sauce? ...
  }
}

更多关于combineReducers(reducers) API， 请参考 https://redux.js.org/api/combinereducers

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