chore: improvements

crates/biome_js_analyze/src/lint/nursery/use_import_extensions.rs

@@ -134,19 +134,19 @@ fn get_extensionless_import(
  let module_name_token = node.module_name_token()?;
  let module_path = inner_string_text(&module_name_token);
  let path = Path::new(module_path.text());
+ let mut path_components = path.components();
+ let first_component = path_components.next()?;
 
- if !matches!(
- path.components().next(),
- Some(Component::CurDir | Component::ParentDir)
- ) || path.extension().is_some()
+ if !matches!(first_component, Component::CurDir | Component::ParentDir)
+ || path.extension().is_some()
  {
  return None;
  }
 
- let has_query_or_hash = path
-  .components()
- .last()
- .and_then(|c| c.as_os_str().to_str())
+ let last_component = path_components.last().unwrap_or(first_component);
+ let has_query_or_hash = last_component
+ .as_os_str()
+ .to_str()
  .map_or(false, |last| last.contains('?') || last.contains('#'));
 
  if has_query_or_hash {
@@ -159,14 +159,12 @@ fn get_extensionless_import(
  let import_ext = resolve_import_extension(file_ext, path);
  let mut path_buf = path.to_path_buf();
 
- let is_index_file = match path.components().last() {
- Some(Component::ParentDir) => true,
+ let is_index_file = match last_component {
+ Component::ParentDir => true,
  // `import ".././"` is the same as `import "../"`
  // Rust Path does not expose `./` path segment at very end, likely because it does not do anything.
  // To provide proper fix, we need to remove it as well.
- Some(Component::Normal(os_str))
- if module_path.ends_with("./") || module_path.ends_with('.') =>
- {
+ Component::Normal(os_str) if module_path.ends_with("./") || module_path.ends_with('.') => {
  if let Some(base_name) = os_str.to_str() {
  path_buf.set_file_name(base_name);