From 7e967f64897bca519a7e3456ee5bf9e44dd47ab6 Mon Sep 17 00:00:00 2001
From: "Dylan M. Taylor" <dylan@dylanmtaylor.com>
Date: Wed, 4 Nov 2026 01:20:55 +0000
Subject: [PATCH] address review: check the web page size after each chart and
 before returning it

---
 crates/engine/src/io.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/crates/engine/src/io.rs b/crates/engine/src/io.rs
index 5c62c7de3..0f667f0c3 100644
--- a/crates/engine/src/io.rs
+++ b/crates/engine/src/io.rs
@@ -790,11 +790,17 @@ pub fn to_html(wb: &Workbook, sheet: usize) -> Result<String> {
         for ch in &sh.charts {
             if let Some(svg) = crate::chart_svg::chart_svg(wb, sheet, ch, &place(&ch.anchor)) {
                 out.push_str(&svg);
+                if out.len() > HTML_EXPORT_MAX_BYTES {
+                    return Err(html_too_big());
+                }
             }
         }
         out.push_str("</div>");
     }
     out.push_str("</body></html>");
+    if out.len() > HTML_EXPORT_MAX_BYTES {
+        return Err(html_too_big());
+    }
     Ok(out)
 }