From 4b7701110efd769ce8cd13fd1be7dc7e329da5fb Mon Sep 17 00:00:00 2001
From: MeexReay <meexreay@gmail.com>
Date: Fri, 21 Mar 2025 21:50:50 +0300
Subject: [PATCH] add insert line mode

---
 app/kfc/kfc.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/kfc/kfc.js b/app/kfc/kfc.js
index 9c582b1..2541af3 100644
--- a/app/kfc/kfc.js
+++ b/app/kfc/kfc.js
@@ -27,6 +27,12 @@ async function printScreen(screen_length, start_cursor, pos, content, mode, pos,
     return [screen.length + status_line.length, status_line.length - 1]
 }
 
+function editLine(content, line, callback) {
+    let lines = content.split("\n")
+    lines[line] = callback(lines[line])
+    return lines.join("\n")
+}
+
 async function main(args) {
     if (args.length != 2) {
         writeStdout(`Usage: kfc <file>\n`)
@@ -110,7 +116,8 @@ async function main(args) {
                     mode = "insert"
                 }
             } else if (mode == "insert") {
-                
+                content = editLine(content, pos[1], line => line.slice(0, pos[0]) + event.char + line.slice(pos[0]))
+                pos[0] += 1
             }
         }