From 9c88e0a003d87892785b889cd36dc3bf022d2eb5 Mon Sep 17 00:00:00 2001
From: Evan Reichard <evan@reichard.io>
Date: Sun, 3 May 2026 21:16:22 -0400
Subject: [PATCH] perf: debounce rerender calls with queueMicrotask to coalesce
 rapid updates

---
 index.ts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/index.ts b/index.ts
index 85706a8..cce88fe 100644
--- a/index.ts
+++ b/index.ts
@@ -124,10 +124,19 @@ export default function piStatusbarExtension(pi: ExtensionAPI) {
     }
   }
 
+  let rerenderScheduled = false;
   function rerender(ctx: any) {
     latestCtx = ctx;
-    requestRender?.();
-    if (ctx.hasUI) ctx.ui.setStatus("pi-statusbar", undefined);
+    if (rerenderScheduled) return;
+    rerenderScheduled = true;
+
+    // Debounce Render - Coalesce rapid rerender calls into a single pass.
+    queueMicrotask(() => {
+      rerenderScheduled = false;
+      requestRender?.();
+      const current = latestCtx;
+      if (current?.hasUI) current.ui.setStatus("pi-statusbar", undefined);
+    });
   }
 
   function installFooter(ctx: any) {