style: Only call extend_nodes when deepest_preceding is Some

helix-core/src/indent.rs

@@ -461,14 +461,14 @@ fn query_indents(
 /// so that the indent computation starts with the correct syntax node.
 fn extend_nodes<'a>(
     node: &mut Node<'a>,
-    deepest_preceding: Option<Node<'a>>,
+    mut deepest_preceding: Node<'a>,
     extend_captures: &HashMap<usize, Vec<ExtendCapture>>,
     text: RopeSlice,
     line: usize,
     tab_width: usize,
 ) {
-    if let Some(mut deepest_preceding) = deepest_preceding {
     let mut stop_extend = false;
+
     while deepest_preceding != *node {
         let mut extend_node = false;
         // This will be set to true if this node is captured, regardless of whether
@@ -490,8 +490,7 @@ fn extend_nodes<'a>(
                         if deepest_preceding.end_position().row == line {
                             extend_node = true;
                         } else {
-                                let cursor_indent =
-                                    indent_level_for_line(text.line(line), tab_width);
+                            let cursor_indent = indent_level_for_line(text.line(line), tab_width);
                             let node_indent = indent_level_for_line(
                                 text.line(deepest_preceding.start_position().row),
                                 tab_width,
@@ -515,7 +514,6 @@ fn extend_nodes<'a>(
         // This parent always exists since node is an ancestor of deepest_preceding
         deepest_preceding = deepest_preceding.parent().unwrap();
     }
-    }
 }
 
 /// Use the syntax tree to determine the indentation for a given position.
@@ -612,6 +610,7 @@ pub fn treesitter_indent_for_pos(
     let extend_captures = query_result.extend_captures;
 
     // Check for extend captures, potentially changing the node that the indent calculation starts with
+    if let Some(deepest_preceding) = deepest_preceding {
         extend_nodes(
             &mut node,
             deepest_preceding,
@@ -620,6 +619,7 @@ pub fn treesitter_indent_for_pos(
             line,
             tab_width,
         );
+    }
     let mut first_in_line = get_first_in_line(node, new_line.then(|| byte_pos));
 
     let mut result = Indentation::default();