kuview/index.html at main · iwanhae/kuview · GitHub

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<!doctype html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <link rel="icon" type="image/svg+xml" href="/vite.svg" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>kuview</title>
</head>

<body>
  <script>
    window.kuviewEventQueue = [];

    // Temporary event handler to queue events before React is fully ready
    // It will be replaced by the React event handler when React is fully ready
    window.kuview = (event) => {
      console.log("[Main] Queuing event via temp window.kuview:", event);
      window.kuviewEventQueue.push(event);
    };

    const errorDiv = document.getElementById("error");

    fetch("/kuview/available").
      then((res) => {
        console.log("[Main] Checking if KuView is available:", res);
        if (res.status !== 200) {
          throw new Error("KuView is not running");
        }
      }).then(() => {
        console.log("[Main] Running in Server Mode");
        const source = new EventSource("/kuview");
        source.onmessage = (e) => {
          const event = JSON.parse(e.data);
          window.kuview(event);
        };
        source.onerror = (e) => {
          console.error("[Main] Error from /kuview:", e);
          errorDiv.innerHTML =
            '<p style="color: red; font-family: sans-serif; padding: 20px;">' +
            "Error from /kuview: " +
            e.message +
            "<br/>Please check the console for more details.</p>";
        };
      }).catch(() => {
        console.log("[Main] Running in WASM Mode");
        console.log("[Main] Initializing Web Worker for KuView WASM.");
        const worker = new Worker("/static/worker.js");

        worker.onmessage = (e) => {
          if (e.data && e.data.type === "WORKER_ERROR") {
            console.error("[Main] Received error from worker:", e.data.error);
            errorDiv.innerHTML =
              '<p style="color: red; font-family: sans-serif; padding: 20px;">' +
              "Error initializing WebAssembly worker: " +
              e.data.error +
              "<br/>Please check the console for more details.</p>";
            return;
          }

          for (const event of e.data) {
            window.kuview(event);
          }
        };

        worker.onerror = (error) => {
          console.error("[Main] Error from worker:", JSON.stringify(error));
          errorDiv.innerHTML =
            '<p style="color: red; font-family: sans-serif; padding: 20px;">' +
            "Critical error with WebAssembly worker: " +
            error.message +
            "<br/>Please check the console for more details and refresh the page.</p>";
        };

        worker.postMessage({
          type: "INIT_WORKER",
          host: `${location.protocol}//${location.host}`,
        });
      })

  </script>
  <div id="error"></div>
  <div id="root"></div>
  <script type="module" src="/src/main.tsx"></script>
</body>

</html>