每次调用减速器时,我都会尝试将 10 添加到计数器。我总是收到错误 [未处理的承诺拒绝:TypeError:null 不是对象(评估'state.loaded')]
var initialState = {
loaded: 10
};
const setRandomArray = (state = initialState, action) => {
switch (action.type) {
case "SETARRAY":
return {
...state,
fbArray: action.fbArray
};
case "CLEARARRAY":
return {
...state,
fbArray: []
};
case "VALUETOLOAD":
return {
...state,
counter: state.loaded + 10
};
default:
return null;
}
};
export default setRandomArray;
我这样称呼减速器:
const getRandomPictures = async () => {
store.dispatch({ type: "VALUETOLOAD" });
};