From 1143f4795414c26382a5647f2be8c20a7a62ada4 Mon Sep 17 00:00:00 2001
From: Pascal Kuthe <pascal.kuthe@semimod.de>
Date: Thu, 29 Feb 2024 02:47:41 +0100
Subject: [PATCH] fix split_on_newline (#9756)

---
 helix-core/src/selection.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/helix-core/src/selection.rs b/helix-core/src/selection.rs
index 91f1d0de..bd252deb 100644
--- a/helix-core/src/selection.rs
+++ b/helix-core/src/selection.rs
@@ -773,12 +773,12 @@ pub fn split_on_newline(text: RopeSlice, selection: &Selection) -> Selection {
 
         let mut start = sel_start;
 
-        for mat in sel.slice(text).lines() {
-            let len = mat.len_chars();
-            let line_end_len = get_line_ending(&mat).map(|le| le.len_chars()).unwrap_or(0);
+        for line in sel.slice(text).lines() {
+            let Some(line_ending) = get_line_ending(&line) else { break };
+            let line_end = start + line.len_chars();
             // TODO: retain range direction
-            result.push(Range::new(start, start + len - line_end_len));
-            start += len;
+            result.push(Range::new(start, line_end - line_ending.len_chars()));
+            start = line_end;
         }
 
         if start < sel_end {