From 4d2d504799767af870da319b7bbf7d4510ad077e Mon Sep 17 00:00:00 2001
From: "Robert W. Pearce" <me@robertwpearce.com>
Date: Fri, 11 Mar 2022 23:26:19 -0500
Subject: [PATCH] Fix: textarea larger than window being jumpy at the bottom

---
 source/index.tsx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/source/index.tsx b/source/index.tsx
index 09927ee..f7b464e 100644
--- a/source/index.tsx
+++ b/source/index.tsx
@@ -71,6 +71,15 @@ export const resize: Resize = (rows, el) => {
     el.style.height = '0'
     el.style.overflowY = overflowY
     el.style.height = `${getHeight(rows, el)}px`
+
+    if (document.activeElement === el) {
+      if (
+        el.getBoundingClientRect().bottom > window.innerHeight &&
+        el.selectionStart === el.value.length
+      ) {
+        window.scrollTo(el.scrollLeft, el.scrollTop + el.scrollHeight)
+      }
+    }
   }
 }