From b75ecb788b6c4e257e26af9252582343350b98a9 Mon Sep 17 00:00:00 2001
From: magic-akari <akari.ccino@gmail.com>
Date: Fri, 21 Jul 2023 18:06:08 +0800
Subject: [PATCH] chore: clean code

---
 crates/swc_ecma_transforms_typescript/src/collect.rs  | 10 ----------
 crates/swc_ecma_transforms_typescript/src/lib.rs      |  1 -
 .../src/strip_import_export.rs                        |  4 ++--
 .../swc_ecma_transforms_typescript/src/transform.rs   |  3 +++
 .../swc_ecma_transforms_typescript/src/typescript.rs  | 11 ++++-------
 5 files changed, 9 insertions(+), 20 deletions(-)
 delete mode 100644 crates/swc_ecma_transforms_typescript/src/collect.rs

diff --git a/crates/swc_ecma_transforms_typescript/src/collect.rs b/crates/swc_ecma_transforms_typescript/src/collect.rs
deleted file mode 100644
index fc1c284d30c17..0000000000000
--- a/crates/swc_ecma_transforms_typescript/src/collect.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use swc_ecma_visit::Visit;
-
-/// 1. Collect all import binding and values usage required by strip_import
-///
-/// 2. Collect all the information required by enum
-///
-/// https://github.com/microsoft/TypeScript/pull/50528
-pub(crate) struct Collect;
-
-impl Visit for Collect {}
diff --git a/crates/swc_ecma_transforms_typescript/src/lib.rs b/crates/swc_ecma_transforms_typescript/src/lib.rs
index 91eac5d43a264..ba5aa1653e21d 100644
--- a/crates/swc_ecma_transforms_typescript/src/lib.rs
+++ b/crates/swc_ecma_transforms_typescript/src/lib.rs
@@ -2,7 +2,6 @@
 #![allow(clippy::vec_box)]
 
 pub use self::strip::*;
-mod collect;
 mod import_export_assign;
 mod inline_enum;
 mod macros;
diff --git a/crates/swc_ecma_transforms_typescript/src/strip_import_export.rs b/crates/swc_ecma_transforms_typescript/src/strip_import_export.rs
index 66d6498b8d9d9..6176dc08577e9 100644
--- a/crates/swc_ecma_transforms_typescript/src/strip_import_export.rs
+++ b/crates/swc_ecma_transforms_typescript/src/strip_import_export.rs
@@ -218,7 +218,7 @@ impl VisitMut for StripImportExport {
         n.visit_with(&mut usage_info);
         n.visit_with(&mut declare_info);
 
-        let mut strip_ts_import_equals = StripTsImportEquals::default();
+        let mut strip_ts_import_equals = StripTsImportEquals;
 
         n.retain_mut(|module_item| match module_item {
             ModuleItem::ModuleDecl(ModuleDecl::Import(ImportDecl {
@@ -306,7 +306,7 @@ impl VisitMut for StripImportExport {
     }
 
     fn visit_mut_script(&mut self, n: &mut Script) {
-        let mut visitor = StripTsImportEquals::default();
+        let mut visitor = StripTsImportEquals;
         for stmt in n.body.iter_mut() {
             if let Stmt::Decl(Decl::TsModule(..)) = stmt {
                 stmt.visit_mut_with(&mut visitor);
diff --git a/crates/swc_ecma_transforms_typescript/src/transform.rs b/crates/swc_ecma_transforms_typescript/src/transform.rs
index bde96e94015b3..19b611e919fee 100644
--- a/crates/swc_ecma_transforms_typescript/src/transform.rs
+++ b/crates/swc_ecma_transforms_typescript/src/transform.rs
@@ -45,6 +45,7 @@ pub(crate) struct Transform {
 
     unresolved_mark: Mark,
     import_export_assign_config: TsImportExportAssignConfig,
+    verbatim_module_syntax: bool,
 
     namespace_id: Option<Id>,
 }
@@ -52,10 +53,12 @@ pub(crate) struct Transform {
 pub fn transform(
     unresolved_mark: Mark,
     import_export_assign_config: TsImportExportAssignConfig,
+    verbatim_module_syntax: bool,
 ) -> impl Fold + VisitMut {
     as_folder(Transform {
         unresolved_mark,
         import_export_assign_config,
+        verbatim_module_syntax,
         ..Default::default()
     })
 }
diff --git a/crates/swc_ecma_transforms_typescript/src/typescript.rs b/crates/swc_ecma_transforms_typescript/src/typescript.rs
index 1ce411b0f29da..98cd7c12b0721 100644
--- a/crates/swc_ecma_transforms_typescript/src/typescript.rs
+++ b/crates/swc_ecma_transforms_typescript/src/typescript.rs
@@ -1,11 +1,11 @@
 use serde::{Deserialize, Serialize};
 use swc_common::Mark;
 use swc_ecma_ast::*;
-use swc_ecma_visit::{as_folder, Fold, VisitMut, VisitMutWith, VisitWith};
+use swc_ecma_visit::{as_folder, Fold, VisitMut, VisitMutWith};
 
 use crate::{
-    collect::Collect, strip_import_export::StripImportExport, strip_type::StripType,
-    transform::transform, TsImportExportAssignConfig,
+    strip_import_export::StripImportExport, strip_type::StripType, transform::transform,
+    TsImportExportAssignConfig,
 };
 
 #[derive(Debug, Default, Serialize, Deserialize)]
@@ -56,13 +56,10 @@ impl VisitMut for TypeScript {
 
         n.visit_mut_with(&mut StripType::default());
 
-        if !self.config.verbatim_module_syntax {
-            n.visit_with(&mut Collect);
-        }
-
         n.visit_mut_with(&mut transform(
             self.unresolved_mark,
             self.config.import_export_assign_config,
+            self.config.verbatim_module_syntax,
         ));
     }
 }