43 lines
1.1 KiB
TypeScript
43 lines
1.1 KiB
TypeScript
import { useEffect, useState } from "react";
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import { detectEnv } from "../ipc";
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import type { PlatformEnv } from "../ipc/types";
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export interface UseEnvResult {
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env: PlatformEnv | null;
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loading: boolean;
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error: string | null;
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}
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// 本机环境本地缓存（Wave 2.2 Req 4）：切换页面先用缓存立即渲染，后台静默刷新。
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let cachedEnv: PlatformEnv | null = null;
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/** 加载本机环境检测结果（缓存优先 + 后台刷新） */
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export function useEnv(): UseEnvResult {
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const [env, setEnv] = useState<PlatformEnv | null>(cachedEnv);
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const [loading, setLoading] = useState(cachedEnv == null);
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const [error, setError] = useState<string | null>(null);
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useEffect(() => {
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let cancelled = false;
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detectEnv()
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.then((e) => {
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if (!cancelled) {
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cachedEnv = e;
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setEnv(e);
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setLoading(false);
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}
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})
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.catch((err: unknown) => {
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if (!cancelled) {
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setError(String(err));
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setLoading(false);
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}
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});
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return () => {
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cancelled = true;
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};
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}, []);
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return { env, loading, error };
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}
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