fix(es/transforms/base): Fix resolver (#1414)

swc_ecma_transforms_base:
 - `resolver`: Handle private class methods. (denoland/deno_lint#615)

ecmascript/transforms/base/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_transforms_base"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.5.0"
+version = "0.5.1"
 
 [dependencies]
 fxhash = "0.2.1"

ecmascript/transforms/base/src/resolver/mod.rs

@@ -827,6 +827,24 @@ impl<'a> VisitMut for Resolver<'a> {
         self.cur_defining = folder.cur_defining;
     }
 
+    fn visit_mut_private_method(&mut self, m: &mut PrivateMethod) {
+        m.key.visit_mut_with(self);
+
+        {
+            let child_mark = Mark::fresh(self.mark);
+
+            // Child folder
+            let mut child = Resolver::new(
+                child_mark,
+                Scope::new(ScopeKind::Fn, Some(&self.current)),
+                None,
+                self.handle_types,
+            );
+
+            m.function.visit_mut_with(&mut child)
+        }
+    }
+
     fn visit_mut_class_method(&mut self, m: &mut ClassMethod) {
         m.key.visit_mut_with(self);
 

ecmascript/transforms/base/src/resolver/tests.rs

@@ -2187,3 +2187,45 @@ to!(
     }
     "
 );
+
+to_ts!(
+    deno_lint_612_1,
+    "
+    class T {
+        #foo(x) {}
+        #bar(x) {}
+    }
+  ",
+    "
+    class T {
+        #foo__0(x__2) {
+       }
+        #bar__0(x__3) {
+       }
+    }
+    "
+);
+
+to_ts!(
+    deno_lint_612_2,
+    "
+    class T {
+        #foo(x) {
+            use(x)
+        }
+        #bar(x) {
+            use(x)
+        }
+    }
+  ",
+    "
+    class T {
+        #foo__0(x__2) {
+            use(x__2);
+        }
+        #bar__0(x__3) {
+            use(x__3);
+        }
+    }
+    "
+);