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_node_modules/hono/dist/adapter/cloudflare-workers/websocket.js

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+// src/adapter/cloudflare-workers/websocket.ts
+import { WSContext, defineWebSocketHelper } from "../../helper/websocket/index.js";
+var upgradeWebSocket = defineWebSocketHelper(async (c, events) => {
+  const upgradeHeader = c.req.header("Upgrade");
+  if (upgradeHeader !== "websocket") {
+    return;
+  }
+  const webSocketPair = new WebSocketPair();
+  const client = webSocketPair[0];
+  const server = webSocketPair[1];
+  const wsContext = new WSContext({
+    close: (code, reason) => server.close(code, reason),
+    get protocol() {
+      return server.protocol;
+    },
+    raw: server,
+    get readyState() {
+      return server.readyState;
+    },
+    url: server.url ? new URL(server.url) : null,
+    send: (source) => server.send(source)
+  });
+  if (events.onClose) {
+    server.addEventListener("close", (evt) => events.onClose?.(evt, wsContext));
+  }
+  if (events.onMessage) {
+    server.addEventListener("message", (evt) => events.onMessage?.(evt, wsContext));
+  }
+  if (events.onError) {
+    server.addEventListener("error", (evt) => events.onError?.(evt, wsContext));
+  }
+  server.accept?.();
+  return new Response(null, {
+    status: 101,
+    // @ts-expect-error - webSocket is not typed
+    webSocket: client
+  });
+});
+export {
+  upgradeWebSocket
+};