我正在使用React和Next.js，以下是我的代码，它在children属性上抛出一个错误，错误信息为属性children在类型{}上不存在
1
1351import { NextPage } from "next";
import { createContext, useContext, useReducer, Dispatch } from "react";
import { GlobalStatesType } from "../types";
import reducer, { ActionType, initialState } from "../reducers";
export const StateContext = createContext<{
states: GlobalStatesType;
dispatch: Dispatch<ActionType>;
}>({
states: initialState,
dispatch: () => {},
});
export const StateProvider: NextPage = ({ children }) => {
const [states, dispatch] = useReducer(reducer, initialState);
return (
<StateContext.Provider value={{ states, dispatch }}>
{ children }
</StateContext.Provider>
);
};
export const useStatesValue = () => useContext(StateContext);
如何在我导入的next函数的上下文中编写代码？
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看起来你正在使用TypeScript和Next.js创建一个上下文提供者组件。你遇到的错误"属性'children'在类型'{}'上不存在"，很可能是因为TypeScript在函数组件中无法识别children属性。
要解决这个问题，你可以在StateProvider组件中显式定义children属性的类型。以下是如何做到这一点：
import { NextPage } from "next"; import { createContext, useContext, useReducer, Dispatch, ReactNode } from "react"; // 导入ReactNode类型 import { GlobalStatesType } from "../types"; import reducer, { ActionType, initialState } from "../reducers"; type StateProviderProps = { children: ReactNode; // 定义children属性的类型 }; export const StateContext = createContext<{ states: GlobalStatesType; dispatch: Dispatch<ActionType>; }>({ states: initialState, dispatch: () => {}, }); export const StateProvider: NextPage<StateProviderProps> = ({ children }) => { // 使用StateProviderProps类型 const [states, dispatch] = useReducer(reducer, initialState); return ( <StateContext.Provider value={{ states, dispatch }}> {children} {/* 直接使用children */} </StateContext.Provider> ); }; export const useStatesValue = () => useContext(StateContext);通过定义StateProviderProps类型并使用它来指定StateProvider组件中children属性的类型，你将不再遇到与children属性相关的TypeScript错误。