fix(es/renamer): Fix renaming of default-exported declarations (#9135)

**Related issue:**

 - Closes #9129

crates/swc/tests/fixture/issues-9xxx/9129/1/input/.swcrc

@@ -0,0 +1,28 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "typescript",
+            "tsx": true,
+            "decorators": true
+        },
+        "target": "es2022",
+        "transform": {
+            "decoratorMetadata": true,
+            "react": {
+                "refresh": true,
+                "development": true
+            }
+        },
+        "externalHelpers": true,
+        "loose": false,
+        "minify": {
+            "compress": false,
+            "mangle": false
+        }
+    },
+    "module": {
+        "type": "es6"
+    },
+    "minify": false,
+    "isModule": "unknown"
+}

crates/swc/tests/fixture/issues-9xxx/9129/1/input/1.js

@@ -0,0 +1,5 @@
+eval('')
+export default function Foo() {
+}
+
+Foo()

crates/swc/tests/fixture/issues-9xxx/9129/1/input/2.js

@@ -0,0 +1,5 @@
+eval('')
+export function Foo() {
+}
+
+Foo()

crates/swc/tests/fixture/issues-9xxx/9129/1/input/3.js

@@ -0,0 +1,5 @@
+eval('')
+export default class Foo {
+}
+
+new Foo()

crates/swc/tests/fixture/issues-9xxx/9129/1/input/4.js

@@ -0,0 +1,5 @@
+eval('')
+export class Foo {
+}
+
+new Foo()

crates/swc/tests/fixture/issues-9xxx/9129/1/output/1.js

@@ -0,0 +1,6 @@
+eval('');
+export default function Foo() {}
+_c = Foo;
+Foo();
+var _c;
+$RefreshReg$(_c, "Foo");

crates/swc/tests/fixture/issues-9xxx/9129/1/output/2.js

@@ -0,0 +1,6 @@
+eval('');
+export function Foo() {}
+_c = Foo;
+Foo();
+var _c;
+$RefreshReg$(_c, "Foo");

crates/swc/tests/fixture/issues-9xxx/9129/1/output/3.js

@@ -0,0 +1,4 @@
+eval('');
+export default class Foo {
+}
+new Foo();

crates/swc/tests/fixture/issues-9xxx/9129/1/output/4.js

@@ -0,0 +1,4 @@
+eval('');
+export class Foo {
+}
+new Foo();

crates/swc/tests/fixture/issues-9xxx/9129/2/input/.swcrc

@@ -0,0 +1,25 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "typescript",
+            "tsx": true,
+            "decorators": true
+        },
+        "target": "es2022",
+        "transform": {
+            "decoratorMetadata": true,
+            "react": {}
+        },
+        "externalHelpers": true,
+        "loose": false,
+        "minify": {
+            "compress": false,
+            "mangle": false
+        }
+    },
+    "module": {
+        "type": "es6"
+    },
+    "minify": false,
+    "isModule": "unknown"
+}

crates/swc/tests/fixture/issues-9xxx/9129/2/input/1.js

@@ -0,0 +1,5 @@
+eval('')
+export default function Foo() {
+}
+
+Foo()

crates/swc/tests/fixture/issues-9xxx/9129/2/input/2.js

@@ -0,0 +1,5 @@
+eval('')
+export function Foo() {
+}
+
+Foo()

crates/swc/tests/fixture/issues-9xxx/9129/2/input/3.js

@@ -0,0 +1,5 @@
+eval('')
+export default class Foo {
+}
+
+new Foo()

crates/swc/tests/fixture/issues-9xxx/9129/2/input/4.js

@@ -0,0 +1,5 @@
+eval('')
+export class Foo {
+}
+
+new Foo()

crates/swc/tests/fixture/issues-9xxx/9129/2/output/1.js

@@ -0,0 +1,3 @@
+eval('');
+export default function Foo() {}
+Foo();

crates/swc/tests/fixture/issues-9xxx/9129/2/output/2.js

@@ -0,0 +1,3 @@
+eval('');
+export function Foo() {}
+Foo();

crates/swc/tests/fixture/issues-9xxx/9129/2/output/3.js

@@ -0,0 +1,4 @@
+eval('');
+export default class Foo {
+}
+new Foo();

crates/swc/tests/fixture/issues-9xxx/9129/2/output/4.js

@@ -0,0 +1,4 @@
+eval('');
+export class Foo {
+}
+new Foo();

crates/swc_ecma_minifier/tests/terser/compress/harmony/class_name_can_be_preserved/output.js

@@ -1,6 +1,6 @@
 function x() {
     (class Baz {
     });
-    let Foo = class Foo {
-    };
+    class Foo {
+    }
 }

crates/swc_ecma_minifier/tests/terser/compress/keep_names/keep_classnames/output.js

@@ -1,4 +1,4 @@
 function foo() {
-    let Bar = class Bar {
-    };
+    class Bar {
+    }
 }

crates/swc_ecma_transforms_base/src/rename/analyzer/mod.rs

@@ -218,7 +218,7 @@ impl Visit for Analyzer {
                     self.add_decl(id.to_id(), true);
                 }
 
-                f.function.visit_with(self)
+                f.visit_with(self);
             }
             DefaultDecl::TsInterfaceDecl(_) => {}
         }
@@ -240,7 +240,7 @@ impl Visit for Analyzer {
         maybe_grow_default(|| e.visit_children_with(self));
 
         if let Expr::Ident(i) = e {
-            self.add_usage(i.to_id())
+            self.add_usage(i.to_id());
         }
 
         self.is_pat_decl = old_is_pat_decl;

crates/swc_ecma_transforms_base/src/rename/mod.rs

@@ -202,7 +202,9 @@ macro_rules! unit {
             } else {
                 let map = self.get_map(n, false, false, false);
 
-                n.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+                if !map.is_empty() {
+                    n.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+                }
             }
         }
     };
@@ -214,7 +216,9 @@ macro_rules! unit {
             } else {
                 let map = self.get_map(n, true, false, false);
 
-                n.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+                if !map.is_empty() {
+                    n.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+                }
             }
         }
     };
@@ -246,6 +250,20 @@ where
 
     unit!(visit_mut_class_decl, ClassDecl, true);
 
+    fn visit_mut_default_decl(&mut self, n: &mut DefaultDecl) {
+        match n {
+            DefaultDecl::Class(n) => {
+                n.visit_mut_children_with(self);
+            }
+            DefaultDecl::Fn(n) => {
+                n.visit_mut_children_with(self);
+            }
+            DefaultDecl::TsInterfaceDecl(n) => {
+                n.visit_mut_children_with(self);
+            }
+        }
+    }
+
     fn visit_mut_expr(&mut self, n: &mut Expr) {
         maybe_grow_default(|| n.visit_mut_children_with(self));
     }
@@ -284,7 +302,9 @@ where
             m.visit_mut_children_with(self);
         }
 
-        m.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+        if !map.is_empty() {
+            m.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+        }
     }
 
     fn visit_mut_script(&mut self, m: &mut Script) {
@@ -300,7 +320,9 @@ where
             m.visit_mut_children_with(self);
         }
 
-        m.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+        if !map.is_empty() {
+            m.visit_mut_with(&mut rename_with_config(&map, self.config.clone()));
+        }
     }
 }