Feat: 地震情報のWebSocket再接続

src/feature/earthquakeNotice.ts

@@ -21,43 +21,60 @@ if (config.earthquake?.useHistoryData) {
     i++;
   }, 10 * 1000);
 } else {
-  const WEBSOCKET_URL = config.debug
-    ? "wss://api-realtime-sandbox.p2pquake.net/v2/ws"
-    : "wss://api.p2pquake.net/v2/ws";
+  const connect = () => {
+    const WEBSOCKET_URL = config.debug
+      ? "wss://api-realtime-sandbox.p2pquake.net/v2/ws"
+      : "wss://api.p2pquake.net/v2/ws";
 
-  console.log("P2P地震情報のWebSocketに接続します");
-  const socket = new WebSocket(WEBSOCKET_URL);
+    console.log("P2P地震情報のWebSocketに接続します");
+    const socket = new WebSocket(WEBSOCKET_URL);
 
-  socket.addEventListener("open", () => {
-    console.log("P2P地震情報のWebSocketに接続しました");
-  });
+    socket.addEventListener("open", () => {
+      console.log("P2P地震情報のWebSocketに接続しました");
+    });
 
-  socket.addEventListener("message", async (event) => {
-    let message;
+    socket.addEventListener("close", (err) => {
+      const interval = config.earthquake.reconnectInterval;
+      console.log(`WebSocketが切断されました。${interval / 1000}秒後に再接続します:`, err.reason);
+      setTimeout(() => {
+        connect();
+      }, interval);
+    });
 
-    try {
-      message = typeof event.data === "string"
-        ? JSON.parse(event.data)
-        : event.data;
-    } catch (err) {
-      console.error(`地震情報メッセージのパースでエラーが発生: ${err}`);
-      return;
-    }
+    socket.addEventListener("error", (err) => {
+      console.error("WebSocketでエラーが発生しました:", err);
+      socket.close();
+    });
 
-    const id = message.id ?? message._id;
-    const mem = Memory.memory;
-    if (mem.processedInfo.includes(id) && !config.debug) {
-      console.log("重複した地震情報: ", message.id);
-      return;
-    }
+    socket.addEventListener("message", async (event) => {
+      let message;
 
-    processMessage(message);
+      try {
+        message = typeof event.data === "string"
+          ? JSON.parse(event.data)
+          : event.data;
+      } catch (err) {
+        console.error("地震情報メッセージのパースでエラーが発生:", err);
+        return;
+      }
 
-    if (!config.debug) {
-      mem.processedInfo.concat([id]);
-      Memory.memory = mem;
-    }
-  });
+      const id = message.id ?? message._id;
+      const mem = Memory.memory;
+      if (mem.processedInfo.includes(id) && !config.debug) {
+        console.log("重複した地震情報:", message.id);
+        return;
+      }
+
+      processMessage(message);
+
+      if (!config.debug) {
+        mem.processedInfo.concat([id]);
+        Memory.memory = mem;
+      }
+    });
+  }
+
+  connect();
 }
 
 const processMessage = async (message: any) => {