feat(statusline): add the file type (language id) to the status line

helix-term/src/ui/editor.rs

@@ -838,6 +838,7 @@ impl EditorView {
             base_style,
         ));
 
+        // Encoding
         let enc = doc.encoding();
         if enc != encoding::UTF_8 {
             right_side_text
@@ -845,6 +846,12 @@ impl EditorView {
                 .push(Span::styled(format!(" {} ", enc.name()), base_style));
         }
 
+        // File type
+        let file_type = doc.language_id().unwrap_or("text");
+        right_side_text
+            .0
+            .push(Span::styled(format!(" {} ", file_type), base_style));
+
         // Render to the statusline.
         surface.set_spans(
             viewport.x