fix(ui): 优化 WebSocket 连接和 PWA meta 标签
- WebSocket onopen 检查 isClosingRef,组件卸载后自动关闭连接 - 更新 PWA meta 标签为 mobile-web-app-capable
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@@ -80,6 +80,11 @@ export function useChat({ sessionId, onError, onSessionNotFound, onSessionUpdate
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const ws = createWebSocket(sessionId);
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ws.onopen = () => {
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// 如果在连接过程中组件已卸载,立即关闭
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if (isClosingRef.current) {
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ws.close();
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return;
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}
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reconnectAttemptsRef.current = 0; // 连接成功,重置重连次数
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setState((prev) => ({ ...prev, isConnected: true }));
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};
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@@ -282,10 +287,17 @@ export function useChat({ sessionId, onError, onSessionNotFound, onSessionUpdate
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const ws = wsRef.current;
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// 清除引用,防止后续操作
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wsRef.current = null;
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// 只有在 OPEN 或 CONNECTING 状态才关闭
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if (ws.readyState === WebSocket.OPEN || ws.readyState === WebSocket.CONNECTING) {
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// 清除事件处理器,避免关闭时触发错误
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ws.onclose = null;
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ws.onerror = null;
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ws.onmessage = null;
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ws.onopen = null;
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// 只关闭已经建立的连接,避免 "closed before established" 警告
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if (ws.readyState === WebSocket.OPEN) {
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ws.close();
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}
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// 对于 CONNECTING 状态,等待连接建立后再关闭
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// 这样可以避免浏览器警告
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}
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};
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}, [loadMessages, connect]);
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@@ -7,7 +7,7 @@
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<!-- PWA Meta Tags -->
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<meta name="theme-color" content="#111827" />
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<meta name="apple-mobile-web-app-title" content="AI Assistant" />
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<meta name="description" content="AI Terminal Assistant - Your intelligent coding companion" />
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