Add missing newline to end of file on load

Fix #152
2021-06-07 19:33:55 +08:00 · 2021-06-07 19:33:55 +08:00 · 82fdfdc38e
commit 82fdfdc38e
parent ea6667070f
1 changed files with 6 additions and 1 deletions
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@ -147,7 +147,12 @@ impl Document {
            Rope::from("\n")
        } else {
            let file = File::open(&path).context(format!("unable to open {:?}", path))?;
-            Rope::from_reader(BufReader::new(file))?
+            let mut doc = Rope::from_reader(BufReader::new(file))?;
+            // add missing newline at the end of file
+            if doc.byte(doc.len_bytes() - 1) != b'\n' {
+                doc.insert_char(doc.len_chars(), '\n');
+            }
+            doc
        };

        let mut doc = Self::new(doc);