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createSlice() ↔ RTK API fn to setup slice state with input { initialState, reducers object, name}

Source: redux

const initialState = {
  value: 0
}

export const countSlice = createSlice({
  name: "_name of slice to show under reduxDevTools only??",
  initialState,
  reducers: {
    increment: (state) => state.value += 1,
    decrement: (state) => state.value -= 1,
    incrementByAmount: (state, action: PayloadAction<number\>) => state.value += action.payload
  }
})

export const { increment, decrement, incrementByAmount } = countSlice.actions

export const selectCount = (state: RootState) => state.count.value

to export actions from slice​

export const { actionType1, actionType2 } = _mySlice.actions

extraReducers​

to allow createSlice() to respond to other extenal type (action type not generated by itself)

References​

  1. extraReducers ↔ to allow createSlice() to respond to other extenal type (action type not generated by itself)