feat(ast): add ArrowFunctionExpression::has_use_strict_directive me…

…thod (#7784)

Add `ArrowFunctionExpression::has_use_strict_directive` method to go with `Function::has_use_strict_directive` etc.

crates/oxc_ast/src/ast/js.rs

@@ -1701,7 +1701,7 @@ pub struct FunctionBody<'a> {
 #[ast(visit)]
 #[scope(
     flags(ScopeFlags::Function | ScopeFlags::Arrow),
-    strict_if(self.body.has_use_strict_directive()),
+    strict_if(self.has_use_strict_directive()),
 )]
 #[derive(Debug)]
 #[generate_derive(CloneIn, GetSpan, GetSpanMut, ContentEq, ContentHash, ESTree)]

crates/oxc_ast/src/ast_impl/js.rs

@@ -1094,6 +1094,11 @@ impl<'a> ArrowFunctionExpression<'a> {
         }
         None
     }
+
+    /// Returns `true` if this arrow function's body has a `"use strict"` directive.
+    pub fn has_use_strict_directive(&self) -> bool {
+        self.body.has_use_strict_directive()
+    }
 }
 
 impl Class<'_> {

crates/oxc_ast/src/generated/visit.rs

@@ -1684,7 +1684,7 @@ pub mod walk {
         visitor.enter_scope(
             {
                 let mut flags = ScopeFlags::Function | ScopeFlags::Arrow;
-                if it.body.has_use_strict_directive() {
+                if it.has_use_strict_directive() {
                     flags |= ScopeFlags::StrictMode;
                 }
                 flags

crates/oxc_ast/src/generated/visit_mut.rs

@@ -1703,7 +1703,7 @@ pub mod walk_mut {
         visitor.enter_scope(
             {
                 let mut flags = ScopeFlags::Function | ScopeFlags::Arrow;
-                if it.body.has_use_strict_directive() {
+                if it.has_use_strict_directive() {
                     flags |= ScopeFlags::StrictMode;
                 }
                 flags