fix(isolated-declarations): should not transform signature that has t…

…ype annotation (#5927)

crates/oxc_isolated_declarations/src/signatures.rs

@@ -30,12 +30,12 @@ impl<'a> IsolatedDeclarations<'a> {
                         };
 
                         let entry = method_annotations.entry(name).or_default();
-                        entry.0 |= first_param.pattern.type_annotation.is_some();
+                        entry.0 |= first_param.pattern.type_annotation.is_none();
                         entry.1 = Some(&mut first_param.pattern.type_annotation);
                     }
                     TSMethodSignatureKind::Get => {
                         let entry = method_annotations.entry(name).or_default();
-                        entry.0 |= method.return_type.is_some();
+                        entry.0 |= method.return_type.is_none();
                         entry.2 = Some(&mut method.return_type);
                     }
                 };

crates/oxc_isolated_declarations/tests/fixtures/signatures.ts

@@ -11,3 +11,10 @@ export interface I {
   set value(_);
   get value(): string;
 }
+
+
+// Do nothing
+export interface Ref<T = any, S = T> {
+  get value(): T
+  set value(_: S)
+}

crates/oxc_isolated_declarations/tests/snapshots/signatures.snap

@@ -23,3 +23,10 @@ export interface I {
 	set value(_: string);
 	get value(): string;
 }
+export interface Ref<
+	T = any,
+	S = T
+> {
+	get value(): T;
+	set value(_: S);
+}