From 1d793c90548cfecb70b5cec8b43029726fba1ca4 Mon Sep 17 00:00:00 2001
From: Daniel Imms <2193314+Tyriar@users.noreply.github.com>
Date: Mon, 29 Dec 2025 04:58:12 -0800
Subject: [PATCH] Fix fit using correct dims on demo

This doesn't add the debounce suggested in the issue, but it does
comment about it.

Fixes #4114
---
 demo/client/client.ts | 6 ++++++
 demo/index.css        | 6 +-----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/demo/client/client.ts b/demo/client/client.ts
index e484d8ca..69913984 100644
--- a/demo/client/client.ts
+++ b/demo/client/client.ts
@@ -340,11 +340,17 @@ function createTerminal(): Terminal {
 
   const resizeObserver = new ResizeObserver(entries => {
     if (optionsWindow.autoResize) {
+      // In general this should be debounced to avoid excessive work on the main
+      // thread by firing the expensive resize action repeatedly
       addons.fit.instance.fit();
     }
   });
   resizeObserver.observe(terminalContainer);
 
+  window.addEventListener('resize', () => {
+    terminalContainer.style.width = document.body.clientWidth + 'px';
+  });
+
   // fit is called within a setTimeout, cols and rows need this.
   setTimeout(async () => {
     optionsWindow.initOptions(addDomListener);
diff --git a/demo/index.css b/demo/index.css
index 48a7a555..b3123eb2 100644
--- a/demo/index.css
+++ b/demo/index.css
@@ -7,6 +7,7 @@ body {
     height: 100vh;
     display: grid;
     grid-template-rows: 24px 1fr;
+    overflow: hidden;
 }
 
 #banner {
@@ -41,11 +42,6 @@ body {
     color: #fff;
 }
 
-#terminal-container {
-    height: 60%;
-    margin: 0 auto;
-}
-
 p {
     font-size: 0.9em;
     font-style: italic