Delete the schema::api mirror types and bun_api; one loader numbering across Rust/C++/JS

Cargo.toml

@@ -3,7 +3,6 @@ resolver = "2"
 members = [
   "src/opaque",
   "src/analytics",
-  "src/api",
   "src/base64",
   "src/bundler",
   "src/collections",
@@ -360,7 +359,6 @@ itoa = "1"
 lol_html = { path = "vendor/lolhtml" }
 bun_opaque = { path = "src/opaque" }
 bun_analytics = { path = "src/analytics" }
-bun_api = { path = "src/api" }
 bun_base64 = { path = "src/base64" }
 bun_bundler = { path = "src/bundler" }
 bun_collections = { path = "src/collections" }

src/ast/runtime.rs

@@ -3,10 +3,8 @@
 // REFACTOR_BUN_AST: this module holds only the data-shaped runtime pieces
 // that the AST crate (and `bun_js_printer::Options`) need:
 // `Runtime::source_code`, `Imports`, `ReplaceableExport*`, `ServerComponentsMode`.
-// The `Features` struct (carries `&mut RuntimeTranspilerCache`) and
-// `Fallback` HTML rendering (needs `bun_options_types::schema`, `bun_io`,
-// `bun_base64`) live in `bun_js_parser::parser::Runtime` to avoid the
-// `bun_options_types → bun_ast → bun_options_types` cycle.
+// The `Features` struct (carries `&mut RuntimeTranspilerCache`) lives in
+// `bun_js_parser::parser::Runtime`.
 
 use bun_collections::StringArrayHashMap;
 

src/ast/target.rs

@@ -1,7 +1,4 @@
 //! Bundle target platform.
-//!
-//! Data-only enum + pure predicates. `to_api()` / `from(api::Target)` live in
-//! `bun_options_types::TargetExt` (would back-edge into the schema crate).
 
 use enum_map::Enum;
 
@@ -34,7 +31,6 @@ impl Target {
     pub const MAP: __ComptimeStringMap_TARGET_MAP = __ComptimeStringMap_TARGET_MAP(());
 
     // `from_js` lives in bundler_jsc as an extension trait — see PORTING.md.
-    // `to_api`/`from(api)` live in `bun_options_types::TargetExt`.
 
     #[inline]
     pub fn is_server_side(self) -> bool {

src/bun.js.rs

@@ -15,11 +15,11 @@ pub(crate) fn apply_standalone_runtime_flags(
     b: &mut bun_bundler::Transpiler,
     graph: &StandaloneModuleGraph,
 ) {
-    use bun_options_types::schema::api::DotEnvBehavior;
+    use bun_dotenv::DotEnvBehavior;
     let disable_env = graph.flags.contains(GraphFlags::DISABLE_DEFAULT_ENV_FILES);
     b.options.env.disable_default_env_files = disable_env;
     b.options.env.behavior = if disable_env {
-        DotEnvBehavior::disable
+        DotEnvBehavior::Disable
     } else {
         DotEnvBehavior::LoadAllWithoutInlining
     };

src/bun_core/util.rs

@@ -3041,11 +3041,9 @@ macro_rules! __runtime_embed_impl {
 // `StringPointer` stays here as the layered #[repr(C)] ABI type re-exported by
 // `bun_string` et al.
 
-/// `bun.schema.api.StringPointer` — `(offset, length)` span into an external
-/// buffer. Canonical definition; re-exported by `bun_string`, `bun_http_types`,
-/// and `bun_url` (formerly each had a structurally-identical copy). Layout MUST
-/// match `extern struct { offset: u32, length: u32 }` — C++ (`WebCore::FetchHeaders`)
-/// and on-disk formats (lockfile, npm manifest cache) read it directly.
+/// `(offset, length)` span into an external buffer. Layout MUST match
+/// `struct { uint32_t offset, length; }` — C++ (`WebCore::FetchHeaders`) and
+/// on-disk formats (lockfile, npm manifest cache) read it directly.
 #[repr(C)]
 #[derive(Clone, Copy, Default, Debug, PartialEq, Eq)]
 pub struct StringPointer {

src/bundler/ParseTask.rs

@@ -2425,14 +2425,7 @@ pub mod parse_worker {
 
         let output_format = topts.output_format;
 
-        // D042: `crate::options::jsx::Pragma` IS `bun_js_parser::options::JSX::Pragma`
-        // (both re-export `bun_options_types::jsx::Pragma`). `to_parser_jsx_pragma`
-        // applies the `_None → Automatic` runtime fold the old `From` bridge did so
-        // parser-side `== Automatic` checks keep their semantics.
-        let mut opts = ParserOptions::init(
-            crate::transpiler::to_parser_jsx_pragma(task.jsx.clone()),
-            loader,
-        );
+        let mut opts = ParserOptions::init(task.jsx.clone(), loader);
         opts.bundle = true;
         opts.warn_about_unbundled_modules = false;
         // `AllowUnresolved` is the same nominal type on

src/bundler/lib.rs

@@ -245,7 +245,6 @@ pub mod options {
     pub use super::output_file::Value as OutputFileValue;
     /// `options.Format` — many ported call-sites spell this `OutputFormat`.
     pub use bun_options_types::Format as OutputFormat;
-    pub use bun_options_types::schema::api::DotEnvBehavior as EnvBehavior;
 
     /// Output kind of a build artifact (`OutputFile.output_kind`).
     ///