fix(ast/estree): Fix ExportDefaultDeclaration node

crates/oxc_ast/src/ast/js.rs

@@ -2508,6 +2508,7 @@ pub struct ExportNamedDeclaration<'a> {
 #[ast(visit)]
 #[derive(Debug)]
 #[generate_derive(CloneIn, Dummy, TakeIn, GetSpan, GetSpanMut, ContentEq, ESTree)]
+#[estree(add_fields(exportKind = TsValue))]
 pub struct ExportDefaultDeclaration<'a> {
     pub span: Span,
     #[estree(skip)]

crates/oxc_ast/src/generated/derive_estree.rs

@@ -1782,6 +1782,7 @@ impl ESTree for ExportDefaultDeclaration<'_> {
         state.serialize_field("start", &self.span.start);
         state.serialize_field("end", &self.span.end);
         state.serialize_field("declaration", &self.declaration);
+        state.serialize_ts_field("exportKind", &crate::serialize::TsValue(self));
         state.end();
     }
 }

crates/oxc_ast/src/serialize.rs

@@ -128,6 +128,18 @@ impl<T> ESTree for TsFalse<'_, T> {
     }
 }
 
+/// Serialized as `"value"`.
+#[ast_meta]
+#[estree(ts_type = "'value'", raw_deser = "'value'")]
+#[ts]
+pub struct TsValue<'b, T>(#[expect(dead_code)] pub &'b T);
+
+impl<T> ESTree for TsValue<'_, T> {
+    fn serialize<S: Serializer>(&self, serializer: S) {
+        JsonSafeString("value").serialize(serializer);
+    }
+}
+
 /// Serialized as `"in"`.
 #[ast_meta]
 #[estree(ts_type = "'in'", raw_deser = "'in'")]

napi/parser/deserialize-ts.js

@@ -1059,6 +1059,7 @@ function deserializeExportDefaultDeclaration(pos) {
     start: deserializeU32(pos),
     end: deserializeU32(pos + 4),
     declaration: deserializeExportDefaultDeclarationKind(pos + 64),
+    exportKind: 'value',
   };
 }
 

npm/oxc-types/types.d.ts

@@ -754,6 +754,7 @@ export interface ExportNamedDeclaration extends Span {
 export interface ExportDefaultDeclaration extends Span {
   type: 'ExportDefaultDeclaration';
   declaration: ExportDefaultDeclarationKind;
+  exportKind?: 'value';
 }
 
 export interface ExportAllDeclaration extends Span {