[英]React, Redux, Immutable - cannot access JSON key within mapStateToProps
Hopefully a really simple one (react newbie here!) but I cannot seem to access a specific key within the state property returned from a react/redux/immutable reducer. 希望这是一个非常简单的按钮(在这里反应新手!),但是我似乎无法访问由react / redux / immutable reducer返回的state属性内的特定键。
Consider the following where I wish to return the value of state.api.authenticated
: 考虑以下情况,我希望返回state.api.authenticated
的值:
function mapStateToProps(state) {
console.log('DEBUG 1: ', JSON.stringify(state));
console.log('DEBUG 2: ', JSON.stringify(state.api));
console.log('DEBUG 3: ', JSON.stringify(state.api.authenticated));
return {
authenticated: state.api.authenticated
};
}
This returns the following: 这将返回以下内容:
DEBUG 1: {"modals":{},"routing":{"locationBeforeTransitions":null},"api":{"loading":false,"requests":{},"errors":{"last":null},"data":{"articles":[]},"authenticated":true},"articles":{"to_read_count":0},"form":{"signin":{"registeredFields".... (redacted for brevity)
DEBUG 2: {"loading":false,"requests":{},"errors":{"last":null},"data":{"articles":[]},"authenticated":true}
DEBUG 3: undefined
So clearly state.api.authenticated
IS in the state
object and yet I cannot access it! 显然, state
对象中的state.api.authenticated
IS是,但是我无法访问它!
Any advice much appreciated. 任何建议都非常感谢。
Edit 1: Reducer initial state definition: 编辑1:Reducer初始状态定义:
const initialState = Map({
loading: false,
requests: OrderedMap({}),
errors: Map({
last: null
}),
data: Map({
articles: List()
}),
authenticated: false
});
Reducer setting value: 减速机设定值:
case AUTH_USER:
return state.set('authenticated', true);
SOLUTION: ok, thanks to the comments I found state.api.get
worked: 解决方案:好的,感谢我发现state.api.get
起作用的注释:
const mapStateToProps = (state) => {
return {
authenticated: state.api.get('authenticated')
};
};
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