refactor(oxc): apply clippy::use_self

Cargo.toml

@@ -76,6 +76,7 @@ iter_on_single_items = "warn"
 unused_peekable = "warn"
 too_long_first_doc_paragraph = "warn"
 suspicious_operation_groupings = "warn"
+use_self = "warn"
 # cargo
 cargo = { level = "warn", priority = -1 }
 multiple_crate_versions = "allow"

crates/oxc_allocator/src/clone_in.rs

@@ -67,10 +67,10 @@ where
 }
 
 impl<'alloc, T: Copy> CloneIn<'alloc> for Cell<T> {
-    type Cloned = Cell<T>;
+    type Cloned = Self;
 
     fn clone_in(&self, _: &'alloc Allocator) -> Self::Cloned {
-        Cell::new(self.get())
+        Self::new(self.get())
     }
 }
 

crates/oxc_allocator/src/string.rs

@@ -44,7 +44,7 @@ impl<'alloc> String<'alloc> {
     ///
     /// [`with_capacity_in`]: String::with_capacity_in
     #[inline(always)]
-    pub fn new_in(allocator: &'alloc Allocator) -> String<'alloc> {
+    pub fn new_in(allocator: &'alloc Allocator) -> Self {
         Self(ManuallyDrop::new(BumpaloString::new_in(allocator.bump())))
     }
 
@@ -63,7 +63,7 @@ impl<'alloc> String<'alloc> {
     /// [`capacity`]: String::capacity
     /// [`new_in`]: String::new_in
     #[inline(always)]
-    pub fn with_capacity_in(capacity: usize, allocator: &'alloc Allocator) -> String<'alloc> {
+    pub fn with_capacity_in(capacity: usize, allocator: &'alloc Allocator) -> Self {
         Self(ManuallyDrop::new(BumpaloString::with_capacity_in(capacity, allocator.bump())))
     }
 
@@ -79,15 +79,15 @@ impl<'alloc> String<'alloc> {
     /// assert_eq!(s, "hello");
     /// ```
     #[inline(always)]
-    pub fn from_str_in(s: &str, allocator: &'alloc Allocator) -> String<'alloc> {
+    pub fn from_str_in(s: &str, allocator: &'alloc Allocator) -> Self {
         Self(ManuallyDrop::new(BumpaloString::from_str_in(s, allocator.bump())))
     }
 
     /// Convert `Vec<u8>` into [`String`].
     ///
     /// # Errors
     /// Returns [`Err`] if the `Vec` does not comprise a valid UTF-8 string.
-    pub fn from_utf8(bytes: Vec<'alloc, u8>) -> Result<String<'alloc>, Utf8Error> {
+    pub fn from_utf8(bytes: Vec<'alloc, u8>) -> Result<Self, Utf8Error> {
         // Check vec comprises a valid UTF-8 string.
         from_utf8(&bytes)?;
         // SAFETY: We just checked it's a valid UTF-8 string
@@ -105,7 +105,7 @@ impl<'alloc> String<'alloc> {
     // `#[inline(always)]` because this is a no-op at runtime
     #[expect(clippy::missing_safety_doc, clippy::unnecessary_safety_comment)]
     #[inline(always)]
-    pub unsafe fn from_utf8_unchecked(bytes: Vec<'alloc, u8>) -> String<'alloc> {
+    pub unsafe fn from_utf8_unchecked(bytes: Vec<'alloc, u8>) -> Self {
         // Cannot use `bumpalo::String::from_utf8_unchecked` because it takes a `bumpalo::collections::Vec`,
         // and our inner `Vec` type is `allocator_api2::vec::Vec`.
         // SAFETY: Conversion is safe because both types store data in arena in same way.
@@ -156,7 +156,7 @@ impl<'alloc> String<'alloc> {
         length: usize,
         capacity: usize,
         allocator: &'alloc Allocator,
-    ) -> String<'alloc> {
+    ) -> Self {
         // SAFETY: Safety conditions of this method are the same as `BumpaloString`'s method
         let inner = BumpaloString::from_raw_parts_in(buf, length, capacity, allocator.bump());
         Self(ManuallyDrop::new(inner))

crates/oxc_ast/src/ast_impl/js.rs

@@ -202,7 +202,7 @@ impl<'a> Expression<'a> {
     ///
     /// For getting a reference to the expression inside, use [`Expression::get_inner_expression`].
     #[must_use]
-    pub fn into_inner_expression(self) -> Expression<'a> {
+    pub fn into_inner_expression(self) -> Self {
         let mut expr = self;
         loop {
             expr = match expr {
@@ -225,7 +225,7 @@ impl<'a> Expression<'a> {
     ///
     /// For taking ownership of the expression inside, use [`Expression::into_inner_expression`].
     /// For getting a mutable reference to the expression inside, use [`Expression::get_inner_expression_mut`].
-    pub fn get_inner_expression(&self) -> &Expression<'a> {
+    pub fn get_inner_expression(&self) -> &Self {
         let mut expr = self;
         loop {
             expr = match expr {
@@ -248,7 +248,7 @@ impl<'a> Expression<'a> {
     ///
     /// For taking ownership of the expression inside, use [`Expression::into_inner_expression`].
     /// For getting an immutable reference to the expression inside, use [`Expression::get_inner_expression`].
-    pub fn get_inner_expression_mut(&mut self) -> &mut Expression<'a> {
+    pub fn get_inner_expression_mut(&mut self) -> &mut Self {
         let mut expr = self;
         loop {
             expr = match expr {

crates/oxc_ast/src/ast_impl/ts.rs

@@ -174,7 +174,7 @@ impl TSModuleDeclaration<'_> {
 impl TSModuleDeclarationKind {
     /// Returns `true` for `declare global { ... }`
     pub fn is_global(self) -> bool {
-        matches!(self, TSModuleDeclarationKind::Global)
+        matches!(self, Self::Global)
     }
 
     /// Declaration keyword as a string, identical to how it would appear in the
@@ -304,9 +304,9 @@ impl TSTypeOperatorOperator {
     /// Get the operator string as it would appear in the source code.
     pub fn to_str(self) -> &'static str {
         match self {
-            TSTypeOperatorOperator::Keyof => "keyof",
-            TSTypeOperatorOperator::Readonly => "readonly",
-            TSTypeOperatorOperator::Unique => "unique",
+            Self::Keyof => "keyof",
+            Self::Readonly => "readonly",
+            Self::Unique => "unique",
         }
     }
 }

crates/oxc_ast/src/generated/derive_clone_in.rs

@@ -1,7 +1,7 @@
 // Auto-generated code, DO NOT EDIT DIRECTLY!
 // To edit this generated file you have to edit `tasks/ast_tools/src/derives/clone_in.rs`
 
-#![allow(clippy::default_trait_access)]
+#![allow(clippy::default_trait_access, clippy::use_self)]
 
 use oxc_allocator::{Allocator, CloneIn};