Show nested canvas directory and reduce canvas loading overhead

2026-11-06 20:48:08 +08:00
parent 05d96abd0e
commit af844131ed
15 changed files with 254 additions and 82 deletions
@@ -108,6 +108,13 @@ async function handler(
      return new NextResponse(upstream.body, { status: upstream.status, headers: responseHeaders });
    }
    const headersReceived = performance.now();
+    // Snapshots contain no login exchange payload. Forward them without buffering
+    // and parsing/re-encoding multi-megabyte inline image JSON in the proxy.
+    if (canvas && path.endsWith("/canvas") && req.method === "GET" && upstream.ok) {
+      responseHeaders.set("Content-Type", "application/json; charset=utf-8");
+      responseHeaders.set("Server-Timing", `upstream;dur=${(headersReceived - started).toFixed(1)}, proxy_headers;dur=${(performance.now() - headersReceived).toFixed(1)}`);
+      return new NextResponse(upstream.body, { status: upstream.status, headers: responseHeaders });
+    }
    const body = upstream.status === 204 ? null : await upstream.json();
    responseHeaders.set(
      "Server-Timing",