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mnote/wolai-frontend/src/components/providers/convex-provider.tsx
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"use client";
import { ReactNode, useState } from "react";
import { ConvexAuthNextjsProvider } from "@convex-dev/auth/nextjs";
import { ConvexReactClient } from "convex/react";
interface ConvexClientProviderProps {
children: ReactNode;
}
/**
* Convex 客户端 Provider(包含 Auth
*/
export function ConvexClientProvider({ children }: ConvexClientProviderProps) {
const [convex] = useState(() => {
// 动态获取 Convex URL,默认优先使用环境变量。
// 说明:浏览器侧优先用当前 hostname(端口固定 3210),避免通过非 localhost/127 访问前端时出现跨域/白名单不匹配。
const getConvexUrl = () => {
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const normalize = (url: string) => url.replace(/\/+$/, "");
const isLocalHost = (host: string) => host === "localhost" || host === "127.0.0.1";
const convexProxyPath = "/convex";
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// 默认使用环境变量
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const envUrlRaw = (process.env.NEXT_PUBLIC_CONVEX_URL ?? "").trim();
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if (typeof window === "undefined") {
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return normalize(envUrlRaw || "http://127.0.0.1:3210");
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}
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const browserProtocol = window.location.protocol;
// 浏览器侧:优先尊重 NEXT_PUBLIC_CONVEX_URL(例如生产环境的 https://xxx.convex.cloud)。
// 仅在 envUrl 是 localhost/127.0.0.1 时,才把 host 改为当前 hostname,避免通过域名访问前端时出现不一致。
if (envUrlRaw) {
try {
const url = new URL(envUrlRaw);
const browserHost = window.location.hostname;
// 当通过 HTTPS(如 frp/nginx)访问前端时,浏览器不允许从 https 页面发起 ws://(不安全)连接。
// 若 envUrl 仍是 http://localhost:3210,则走同源反代(由 scripts/dev-server.js 处理 Upgrade)转到本机 3210。
if (browserProtocol === "https:" && (url.protocol === "http:" || isLocalHost(url.hostname))) {
return normalize(`${window.location.origin}${convexProxyPath}`);
}
if (isLocalHost(url.hostname) && !isLocalHost(browserHost)) {
// 非 https 访问时才尝试“借用当前 host:3210”;https 场景已提前走同源反代。
url.hostname = browserHost;
}
return normalize(url.toString());
} catch {
// envUrl 不是合法 URL 时,按原值兜底
return normalize(envUrlRaw);
}
}
// 未配置 env:使用当前主机名,端口固定 3210,并跟随当前页面协议(http/https)。
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const hostname = window.location.hostname;
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const protocol = "http:";
return normalize(`${protocol}//${hostname}:3210`);
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};
const convexUrl = getConvexUrl();
if (!convexUrl) {
throw new Error("NEXT_PUBLIC_CONVEX_URL is not defined");
}
return new ConvexReactClient(convexUrl);
});
return (
<ConvexAuthNextjsProvider client={convex}>
{children}
</ConvexAuthNextjsProvider>
);
}