refactor(transformer): clean up BabelOptions

crates/oxc_transformer/src/env/data/babel.rs

@@ -5,7 +5,7 @@ use rustc_hash::FxHashMap;
 use crate::env::{Targets, Version};
 
 /// Reference: <https://github.com/swc-project/swc/blob/ea14fc8e5996dcd736b8deb4cc99262d07dfff44/crates/swc_ecma_preset_env/src/transform_data.rs#L194-L218>
-fn features() -> &'static FxHashMap<String, Targets> {
+pub fn features() -> &'static FxHashMap<String, Targets> {
     static FEATURES: OnceLock<FxHashMap<String, Targets>> = OnceLock::new();
     FEATURES.get_or_init(|| {
         let mut map: FxHashMap<String, FxHashMap<String, String>> =
@@ -39,7 +39,7 @@ fn features() -> &'static FxHashMap<String, Targets> {
 }
 
 /// Reference: <https://github.com/swc-project/swc/blob/ea14fc8e5996dcd736b8deb4cc99262d07dfff44/crates/swc_ecma_preset_env/src/transform_data.rs#L220-L237>
-fn bugfix_features() -> &'static FxHashMap<String, Targets> {
+pub fn bugfix_features() -> &'static FxHashMap<String, Targets> {
     static BUGFIX_FEATURES: OnceLock<FxHashMap<String, Targets>> = OnceLock::new();
     BUGFIX_FEATURES.get_or_init(|| {
         let map = serde_json::from_str::<FxHashMap<String, Targets>>(include_str!(
@@ -49,12 +49,3 @@ fn bugfix_features() -> &'static FxHashMap<String, Targets> {
         features().clone().into_iter().chain(map).collect()
     })
 }
-
-pub fn can_enable_plugin(name: &str, targets: Option<&Targets>, bugfixes: bool) -> bool {
-    let versions = if bugfixes {
-        bugfix_features().get(name).unwrap_or_else(|| &features()[name])
-    } else {
-        &features()[name]
-    };
-    targets.is_some_and(|v| v.should_enable(versions))
-}

crates/oxc_transformer/src/env/data/mod.rs

@@ -1,3 +1 @@
-mod babel;
-
-pub use babel::can_enable_plugin;
+pub mod babel;

crates/oxc_transformer/src/env/mod.rs

@@ -2,6 +2,6 @@ mod data;
 mod options;
 mod targets;
 
-pub use data::can_enable_plugin;
+pub use data::babel::{bugfix_features, features};
 pub use options::EnvOptions;
 pub use targets::{Targets, Version};

crates/oxc_transformer/src/env/options.rs

@@ -1,7 +1,6 @@
 use serde::Deserialize;
-use serde_json::Value;
 
-use crate::env::Targets;
+use crate::env::{bugfix_features, features, Targets};
 
 fn default_as_true() -> bool {
     true
@@ -23,22 +22,22 @@ pub struct EnvOptions {
     pub loose: bool,
 
     #[deprecated = "Not Implemented"]
-    pub modules: Option<Value>,
+    pub modules: Option<serde_json::Value>,
 
     #[deprecated = "Not Implemented"]
     pub debug: bool,
 
     #[deprecated = "Not Implemented"]
-    pub include: Option<Value>,
+    pub include: Option<serde_json::Value>,
 
     #[deprecated = "Not Implemented"]
-    pub exclude: Option<Value>,
+    pub exclude: Option<serde_json::Value>,
 
     #[deprecated = "Not Implemented"]
-    pub use_built_ins: Option<Value>,
+    pub use_built_ins: Option<serde_json::Value>,
 
     #[deprecated = "Not Implemented"]
-    pub corejs: Option<Value>,
+    pub corejs: Option<serde_json::Value>,
 
     #[deprecated = "Not Implemented"]
     pub force_all_transforms: bool,
@@ -52,3 +51,14 @@ pub struct EnvOptions {
     #[deprecated = "Not Implemented"]
     pub shipped_proposals: bool,
 }
+
+impl EnvOptions {
+    pub fn can_enable_plugin(&self, plugin_name: &str) -> bool {
+        let versions = if self.bugfixes {
+            bugfix_features().get(plugin_name).unwrap_or_else(|| &features()[plugin_name])
+        } else {
+            &features()[plugin_name]
+        };
+        self.targets.should_enable(versions)
+    }
+}