feat(es/transfomer): Add modules to prepare porting (#11347)

Author: kdy1

crates/swc_ecma_transformer/src/es2017/async_to_generator.rs

@@ -0,0 +1 @@
+

crates/swc_ecma_transformer/src/es2017/mod.rs

@@ -1,10 +1,14 @@
+mod async_to_generator;
+
 use swc_ecma_hooks::VisitMutHook;
 
 use crate::TraverseCtx;
 
 #[derive(Debug, Default)]
 #[non_exhaustive]
-pub struct Es2017Options {}
+pub struct Es2017Options {
+ pub async_to_generator: bool,
+}
 
 pub fn hook(options: Es2017Options) -> impl VisitMutHook<TraverseCtx> {
  Es2017Pass { options }

crates/swc_ecma_transformer/src/es2018/mod.rs

@@ -2,9 +2,13 @@ use swc_ecma_hooks::VisitMutHook;
 
 use crate::TraverseCtx;
 
+mod object_rest_spread;
+
 #[derive(Debug, Default)]
 #[non_exhaustive]
-pub struct Es2018Options {}
+pub struct Es2018Options {
+ pub object_rest_spread: bool,
+}
 
 pub fn hook(options: Es2018Options) -> impl VisitMutHook<TraverseCtx> {
  Es2018Pass { options }

crates/swc_ecma_transformer/src/es2018/object_rest_spread.rs

@@ -0,0 +1 @@
+

crates/swc_ecma_transformer/src/es2020/mod.rs

@@ -3,11 +3,17 @@ use swc_ecma_hooks::VisitMutHook;
 use crate::{hook_utils::OptionalHook, TraverseCtx};
 
 mod export_namespace_from;
+mod nullish_coalescing;
+mod optional_chaining;
 
 #[derive(Debug, Default)]
 #[non_exhaustive]
 pub struct Es2020Options {
  pub export_namespace_from: bool,
+
+ pub nullish_coalescing: bool,
+
+ pub optional_chaining: bool,
 }
 
 pub fn hook(options: Es2020Options) -> impl VisitMutHook<TraverseCtx> {

crates/swc_ecma_transformer/src/es2020/nullish_coalescing.rs

@@ -0,0 +1 @@
+

crates/swc_ecma_transformer/src/es2020/optional_chaining.rs

@@ -1,10 +1,14 @@
+mod logical_assignment_operators;
+
 use swc_ecma_hooks::VisitMutHook;
 
 use crate::TraverseCtx;
 
 #[derive(Debug, Default)]
 #[non_exhaustive]
-pub struct Es2021Options {}
+pub struct Es2021Options {
+ pub logical_assignment_operators: bool,
+}
 
 pub fn hook(options: Es2021Options) -> impl VisitMutHook<TraverseCtx> {
  Es2021Pass { options }

crates/swc_ecma_transformer/src/es2021/logical_assignment_operators.rs

@@ -0,0 +1 @@
+