From a61cb8e4e7aac966cff2fa92cef68ad5b0991d37 Mon Sep 17 00:00:00 2001
From: Nekrasov Pavel <landgraf.paul@gmail.com>
Date: Mon, 30 Sep 2024 16:50:16 +0200
Subject: [PATCH] Update textarea.js

Fix for some corner cases
---
 lib/widgets/textarea.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/widgets/textarea.js b/lib/widgets/textarea.js
index 60227d0e..2608159f 100644
--- a/lib/widgets/textarea.js
+++ b/lib/widgets/textarea.js
@@ -292,7 +292,12 @@ Textarea.prototype._listener = function(ch, key) {
           const cursorPosition = copy[currentLine].length + this.offsetX;
           if (copy[currentLine] === ''){
             copy.splice(currentLine, 1);
-          }else{
+          } else if (cursorPosition === 0) {
+            if (currentLine > 0){
+              const currentLineString = copy.splice(currentLine, 1);
+              copy[currentLine - 1] += currentLineString;
+            }
+          } else {
             copy[currentLine] = copy[currentLine].slice(0, cursorPosition - 1) + copy[currentLine].slice(cursorPosition);
           }
           this.value = copy.join('\n');