book_manage/apps/web/src/app/main/layout/MainProvider.tsx

import React, { createContext, ReactNode, useContext, useState } from "react";
interface SelectedTerms {
	[key: string]: string[]; // 每个 slug 对应一个 string 数组
}

interface MainContextType {
	searchValue?: string;
	selectedTerms?: SelectedTerms;
	setSearchValue?: React.Dispatch<React.SetStateAction<string>>;
	setSelectedTerms?: React.Dispatch<React.SetStateAction<SelectedTerms>>;
}

const MainContext = createContext<MainContextType | null>(null);
interface MainProviderProps {
	children: ReactNode;
}

export function MainProvider({ children }: MainProviderProps) {
	const [searchValue, setSearchValue] = useState("");
	const [selectedTerms, setSelectedTerms] = useState<SelectedTerms>({}); // 初始化状态
	return (
		<MainContext.Provider
			value={{
				searchValue,
				setSearchValue,
				selectedTerms,
				setSelectedTerms,
			}}>
			{children}
		</MainContext.Provider>
	);
}
export const useMainContext = () => {
	const context = useContext(MainContext);
	if (!context) {
		throw new Error("useMainContext must be used within MainProvider");
	}
	return context;
};