chore: use Path::new to check for extension

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

@@ -1,3 +1,5 @@
+use std::path::Path;
+
 use biome_analyze::{
  context::RuleContext, declare_rule, ActionCategory, Ast, Rule, RuleDiagnostic,
 };
@@ -9,7 +11,7 @@ use biome_rowan::{AstNode, BatchMutationExt, TokenText};
 
 use crate::JsRuleAction;
 
-use super::use_import_restrictions::{get_basename, get_extension};
+use super::use_import_restrictions::get_basename;
 
 declare_rule! {
  /// Require import extensions for relative imports.
@@ -132,12 +134,12 @@ fn get_extensionless_import(
  return None;
  }
 
- let mut path_parts: Vec<_> = module_path.text().split('/').collect();
-
- if get_extension(&path_parts).is_some() {
+ if Path::new(module_path.text()).extension().is_some() {
  return None;
  }
 
+ let mut path_parts: Vec<_> = module_path.text().split('/').collect();
+
  if module_path.ends_with('/') {
  path_parts.pop();
  }

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

@@ -1,3 +1,5 @@
+use std::path::Path;
+
 use biome_analyze::{
  context::RuleContext, declare_rule, Ast, Rule, RuleDiagnostic, RuleSource, RuleSourceKind,
 };
@@ -131,8 +133,8 @@ fn get_restricted_import(module_path: &TokenText) -> Option<ImportRestrictionsSt
  let mut path_parts: Vec<_> = module_path.text().split('/').collect();
  let mut index_filename = None;
 
- if let Some(extension) = get_extension(&path_parts) {
- if !SOURCE_EXTENSIONS.contains(&extension) {
+ if let Some(extension) = Path::new(module_path.text()).extension() {
+ if !SOURCE_EXTENSIONS.contains(&extension.to_str()?) {
  return None; // Resource files are exempt.
  }
 
@@ -180,12 +182,3 @@ pub(crate) fn get_basename<'a>(path_parts: &'_ [&'a str]) -> Option<&'a str> {
  _ => part,
  })
 }
-
-pub(crate) fn get_extension<'a>(path_parts: &'_ [&'a str]) -> Option<&'a str> {
- path_parts.last().and_then(|part| match part.find('.') {
- Some(dot_index) if dot_index > 0 && dot_index < part.len() - 1 => {
- Some(&part[dot_index + 1..])
- }
- _ => None,
- })
-}