fix: upgrade ws to wss for https CDP

src/browser/cdp.test.ts

@@ -173,4 +173,12 @@ describe("cdp", () => {
     );
     expect(normalized).toBe("wss://user:pass@example.com/devtools/browser/ABC?token=abc");
   });
+
+  it("upgrades ws to wss when CDP uses https", () => {
+    const normalized = normalizeCdpWsUrl(
+      "ws://production-sfo.browserless.io",
+      "https://production-sfo.browserless.io?token=abc",
+    );
+    expect(normalized).toBe("wss://production-sfo.browserless.io/?token=abc");
+  });
 });

src/browser/cdp.ts

@@ -16,6 +16,9 @@ export function normalizeCdpWsUrl(wsUrl: string, cdpUrl: string): string {
     if (cdpPort) ws.port = cdpPort;
     ws.protocol = cdp.protocol === "https:" ? "wss:" : "ws:";
   }
+  if (cdp.protocol === "https:" && ws.protocol === "ws:") {
+    ws.protocol = "wss:";
+  }
   if (!ws.username && !ws.password && (cdp.username || cdp.password)) {
     ws.username = cdp.username;
     ws.password = cdp.password;