73 lines
2.1 KiB
TypeScript
73 lines
2.1 KiB
TypeScript
"use client";
|
|
/**
|
|
* SidebarContext：基于 XState v5 的 React Context Provider
|
|
*
|
|
* 业务事件通过 `useMachine(sidebarMachine).send()` 派发。
|
|
* XState 自动处理状态转换（无异步副作用）。
|
|
*
|
|
* 兼容性：保持原 `useSidebarState()` / `useSidebarDispatch()` API。
|
|
* 内部将 XState 状态机快照映射回原 `SidebarState` 形状。
|
|
*/
|
|
import {
|
|
type Dispatch,
|
|
type ReactNode,
|
|
createContext,
|
|
useContext,
|
|
useMemo,
|
|
} from "react";
|
|
import { useMachine } from "@xstate/react";
|
|
|
|
import { sidebarMachine } from "./sidebar-machine";
|
|
import type {
|
|
SidebarContext as MachineContext,
|
|
SidebarEvent,
|
|
} from "./sidebar-machine";
|
|
|
|
/**
|
|
* 对外暴露的 State 形状（保持与原 SidebarState 兼容）
|
|
*/
|
|
export interface SidebarState {
|
|
currentPage: MachineContext["currentPage"];
|
|
selectedBottomNavItem: MachineContext["selectedBottomNavItem"];
|
|
characterName: string;
|
|
characterProgress: number;
|
|
}
|
|
|
|
const SidebarStateCtx = createContext<SidebarState | null>(null);
|
|
const SidebarDispatchCtx = createContext<Dispatch<SidebarEvent> | null>(null);
|
|
|
|
export function SidebarProvider({ children }: { children: ReactNode }) {
|
|
const [state, send] = useMachine(sidebarMachine);
|
|
|
|
// 映射 XState 状态机快照 → 原 SidebarState 形状
|
|
const sidebarState = useMemo<SidebarState>(
|
|
() => ({
|
|
currentPage: state.context.currentPage,
|
|
selectedBottomNavItem: state.context.selectedBottomNavItem,
|
|
characterName: state.context.characterName,
|
|
characterProgress: state.context.characterProgress,
|
|
}),
|
|
[state],
|
|
);
|
|
|
|
return (
|
|
<SidebarStateCtx.Provider value={sidebarState}>
|
|
<SidebarDispatchCtx.Provider value={send}>{children}</SidebarDispatchCtx.Provider>
|
|
</SidebarStateCtx.Provider>
|
|
);
|
|
}
|
|
|
|
export function useSidebarState(): SidebarState {
|
|
const ctx = useContext(SidebarStateCtx);
|
|
if (!ctx)
|
|
throw new Error("useSidebarState must be used inside <SidebarProvider>");
|
|
return ctx;
|
|
}
|
|
|
|
export function useSidebarDispatch(): Dispatch<SidebarEvent> {
|
|
const ctx = useContext(SidebarDispatchCtx);
|
|
if (!ctx)
|
|
throw new Error("useSidebarDispatch must be used inside <SidebarProvider>");
|
|
return ctx;
|
|
}
|