Remove dead code from bun_bundler, bun_install, bun_runtime, bun_parsers, and the JSC private host functions

src/bun_core/util.rs

@@ -5068,14 +5068,6 @@ pub enum TimespecMockMode {
     ForceRealTime,
 }
 
-/// `bun_core::timespec_mode::Mode` namespace shim —
-/// Rust can't do inherent associated types stably, so expose a module
-/// instead. Callers write `bun_core::timespec_mode::AllowMockedTime` or use
-/// the `Timespec::now_allow_mocked_time()` helper.
-pub mod timespec_mode {
-    pub use super::TimespecMockMode::*;
-}
-
 /// Mocked-time storage. The data lives at T0 so `Timespec::now` reads it
 /// directly; the test-runner (`useFakeTimers`) writes via `set`/`clear`
 /// from `bun_runtime::test_runner::timers::FakeTimers::CurrentTime`.

src/bundler/Chunk.rs

@@ -494,7 +494,7 @@ fn alloc_buf(_arena: DynAlloc, n: usize) -> Result<Vec<u8>, AllocError> {
 fn additional_output_file_index(f: &AdditionalFile) -> usize {
     match *f {
         AdditionalFile::OutputFile(i) => i as usize,
-        AdditionalFile::SourceIndex(_) => {
+        AdditionalFile::SourceIndex => {
             unreachable!("asset additional_files entry must be .output_file")
         }
     }

src/bundler/OutputFile.rs

@@ -107,7 +107,7 @@ pub enum Value {
     Copy(FileOperation),
     Noop,
     Buffer { bytes: Box<[u8]> },
-    Saved(SavedFile),
+    Saved,
 }
 
 impl Value {
@@ -142,22 +142,19 @@ impl Value {
                     noop,
                 )
             }
-            Value::Copy(_) | Value::Saved(_) => {
+            Value::Copy(_) | Value::Saved => {
                 bun_core::todo_panic!("to_bun_string_ref: Copy/Saved")
             }
         }
     }
 }
 
-#[derive(Default, Clone, Copy)]
-pub struct SavedFile {}
-
 pub enum OptionsData {
     Buffer {
         // arena dropped — global mimalloc.
         data: Box<[u8]>,
     },
-    Saved(usize),
+    Saved,
 }
 
 pub struct Options {
@@ -185,7 +182,7 @@ impl OutputFile {
     pub(crate) fn init(options: Options) -> OutputFile {
         let size = options.size.unwrap_or(match &options.data {
             OptionsData::Buffer { data } => data.len(),
-            OptionsData::Saved(_) => 0,
+            OptionsData::Saved => 0,
         });
         let owned_src_path_text: Box<[u8]> = options.input_path;
         // SAFETY: `owned_src_path_text` is a sibling field that outlives `src_path`; the boxed buffer never moves.
@@ -208,7 +205,7 @@ impl OutputFile {
             is_executable: options.is_executable,
             value: match options.data {
                 OptionsData::Buffer { data } => Value::Buffer { bytes: data },
-                OptionsData::Saved(_) => Value::Saved(SavedFile::default()),
+                OptionsData::Saved => Value::Saved,
             },
             side: options.side,
             entry_point_index: options.entry_point_index,
@@ -223,7 +220,7 @@ impl OutputFile {
     pub fn write_to_disk(&self, root_dir: Fd) -> Result<(), Error> {
         match &self.value {
             Value::Noop => {}
-            Value::Saved(_) => {
+            Value::Saved => {
                 // already written to disk
             }
             Value::Buffer { bytes } => {

src/bundler/bundle_v2.rs

@@ -2772,8 +2772,7 @@ pub mod bv2_impl {
                     let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                         &mut self.graph.input_files.items_additional_files_mut()
                             [source_index.get() as usize];
-                    additional_files
-                        .push(crate::AdditionalFile::SourceIndex(task.source_index.get()));
+                    additional_files.push(crate::AdditionalFile::SourceIndex);
                     self.graph.input_files.items_side_effects_mut()[source_index.get() as usize] =
                         bun_ast::SideEffects::NoSideEffectsPureData;
                     self.graph.estimated_file_loader_count += 1;
@@ -2884,8 +2883,7 @@ pub mod bv2_impl {
                     let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                         &mut self.graph.input_files.items_additional_files_mut()
                             [source_index.get() as usize];
-                    additional_files
-                        .push(crate::AdditionalFile::SourceIndex(task.source_index.get()));
+                    additional_files.push(crate::AdditionalFile::SourceIndex);
                     self.graph.input_files.items_side_effects_mut()[source_index.get() as usize] =
                         bun_ast::SideEffects::NoSideEffectsPureData;
                     self.graph.estimated_file_loader_count += 1;
@@ -3751,8 +3749,7 @@ pub mod bv2_impl {
                     let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                         &mut self.graph.input_files.items_additional_files_mut()
                             [source_index.get() as usize];
-                    additional_files
-                        .push(crate::AdditionalFile::SourceIndex(task.source_index.get()));
+                    additional_files.push(crate::AdditionalFile::SourceIndex);
                     self.graph.input_files.items_side_effects_mut()[source_index.get() as usize] =
                         bun_ast::SideEffects::NoSideEffectsPureData;
                     self.graph.estimated_file_loader_count += 1;
@@ -3849,7 +3846,7 @@ pub mod bv2_impl {
                     let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                         &mut self.graph.input_files.items_additional_files_mut()
                             [source_index.get() as usize];
-                    additional_files.push(crate::AdditionalFile::SourceIndex(source_index.get()));
+                    additional_files.push(crate::AdditionalFile::SourceIndex);
                     self.graph.input_files.items_side_effects_mut()[source_index.get() as usize] =
                         bun_ast::SideEffects::NoSideEffectsPureData;
                     self.graph.estimated_file_loader_count += 1;
@@ -4622,8 +4619,7 @@ pub mod bv2_impl {
                         let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                             &mut this.graph.input_files.items_additional_files_mut()
                                 [source_index.get() as usize];
-                        let _ = additional_files
-                            .push(crate::AdditionalFile::SourceIndex(source_index.get()));
+                        let _ = additional_files.push(crate::AdditionalFile::SourceIndex);
                         this.graph.input_files.items_side_effects_mut()
                             [source_index.get() as usize] =
                             bun_ast::SideEffects::NoSideEffectsPureData;
@@ -5010,9 +5006,7 @@ pub mod bv2_impl {
                                         crate::AdditionalFile,
                                     > = &mut this.graph.input_files.items_additional_files_mut()
                                         [source_index.get() as usize];
-                                    additional_files.push(crate::AdditionalFile::SourceIndex(
-                                        task.source_index.get(),
-                                    ));
+                                    additional_files.push(crate::AdditionalFile::SourceIndex);
                                     this.graph.input_files.items_side_effects_mut()
                                         [source_index.get() as usize] =
                                         bun_ast::SideEffects::NoSideEffectsPureData;
@@ -5394,7 +5388,7 @@ pub mod bv2_impl {
                 b"metafile.md".as_slice()
             }),
             output_path: Box::<[u8]>::from(file_path),
-            data: crate::output_file::OptionsData::Saved(content.len()),
+            data: crate::output_file::OptionsData::Saved,
             output_kind,
             is_executable: false,
             side: None,
@@ -6920,9 +6914,7 @@ pub mod bv2_impl {
                         let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                             &mut self.graph.input_files.items_additional_files_mut()
                                 [importer_source_index as usize];
-                        additional_files.push(crate::AdditionalFile::SourceIndex(
-                            new_task.source_index.get(),
-                        ));
+                        additional_files.push(crate::AdditionalFile::SourceIndex);
                         self.graph.input_files.items_side_effects_mut()
                             [new_task.source_index.get() as usize] =
                             bun_ast::SideEffects::NoSideEffectsPureData;
@@ -6932,12 +6924,10 @@ pub mod bv2_impl {
                     self.graph.pool().schedule(new_task);
                 } else {
                     if loader.should_copy_for_bundling() {
-                        // SAFETY: value_ptr is valid (see above).
-                        let existing_idx = unsafe { *value_ptr };
                         let additional_files: &mut bun_alloc::AstVec<crate::AdditionalFile> =
                             &mut self.graph.input_files.items_additional_files_mut()
                                 [importer_source_index as usize];
-                        additional_files.push(crate::AdditionalFile::SourceIndex(existing_idx));
+                        additional_files.push(crate::AdditionalFile::SourceIndex);
                         self.graph.estimated_file_loader_count += 1;
                     }
 

src/bundler/lib.rs

@@ -228,7 +228,7 @@ pub use thread_pool::{ThreadPool, Worker};
 /// See `transpiler`.
 pub use transpiler::Transpiler;
 pub enum AdditionalFile {
-    SourceIndex(u32),
+    SourceIndex,
     OutputFile(u32),
 }
 

src/bundler/linker_context/writeOutputFilesToDisk.rs

@@ -16,7 +16,7 @@ use crate::linker_context_mod::debug;
 use crate::options::{self, Loader, OutputFile, SourceMapOption};
 use crate::output_file::{
     BakeExtra, Index as OutputFileIndex, IndexOptional, Options as OutputFileInit,
-    OptionsData as OutputFileData, SavedFile, Value as OutputFileValue,
+    OptionsData as OutputFileData, Value as OutputFileValue,
 };
 use crate::{BundleV2, Chunk, cheap_prefix_normalizer};
 
@@ -152,7 +152,7 @@ pub(crate) fn write_output_files_to_disk(
                             input_loader: Loader::File,
                             output_kind: options::OutputKind::Sourcemap,
                             size: Some(output_source_map.len()),
-                            data: OutputFileData::Saved(0),
+                            data: OutputFileData::Saved,
                             side: Some(options::Side::Client),
                             entry_point_index: None,
                             is_executable: false,
@@ -172,7 +172,7 @@ pub(crate) fn write_output_files_to_disk(
             };
 
             let _ = output_files.insert_for_chunk(OutputFile::init(OutputFileInit {
-                data: OutputFileData::Saved(0),
+                data: OutputFileData::Saved,
                 hash: None,
                 loader: chunk.content.loader(),
                 input_path: Box::default(),
@@ -348,7 +348,7 @@ pub(crate) fn write_output_files_to_disk(
                     input_loader: Loader::File,
                     output_kind: options::OutputKind::Sourcemap,
                     size: Some(output_source_map.len()),
-                    data: OutputFileData::Saved(0),
+                    data: OutputFileData::Saved,
                     side: Some(options::Side::Client),
                     entry_point_index: None,
                     is_executable: false,
@@ -476,7 +476,7 @@ pub(crate) fn write_output_files_to_disk(
                             loader: Loader::File,
                             size: Some(bytecode.len()),
                             display_size: bytecode.len() as u32,
-                            data: OutputFileData::Saved(0),
+                            data: OutputFileData::Saved,
                             side: None,
                             entry_point_index: None,
                             is_executable: false,
@@ -558,7 +558,7 @@ pub(crate) fn write_output_files_to_disk(
             size: Some(code_result.buffer.len()),
             display_size: display_size as u32,
             is_executable: chunk.flags.contains(ChunkFlags::IS_EXECUTABLE),
-            data: OutputFileData::Saved(0),
+            data: OutputFileData::Saved,
             side: Some(if matches!(chunk.content, Content::Css(_)) {
                 options::Side::Client
             } else {
@@ -673,7 +673,7 @@ pub(crate) fn write_output_files_to_disk(
             let bytes_len = bytes.len();
             drop(bytes);
             *dest = core::mem::replace(src, OutputFile::zero_value());
-            dest.value = OutputFileValue::Saved(SavedFile::default());
+            dest.value = OutputFileValue::Saved;
             dest.size = bytes_len;
         }
     }

src/exe_format/macho_types.rs

@@ -14,9 +14,7 @@
 // Canonical `<mach-o/loader.h>` POD layouts live in `bun_sys::macho` (lower-tier
 // crate, also consumed by `crash_handler`). Re-export so `exe_format::macho`
 // keeps its existing `macho::segment_command_64` etc. paths.
-pub use bun_sys::macho::{
-    cpu_subtype_t, cpu_type_t, load_command, mach_header_64, segment_command_64, vm_prot_t,
-};
+pub use bun_sys::macho::{cpu_type_t, mach_header_64, segment_command_64, vm_prot_t};
 
 pub(crate) const CPU_TYPE_ARM64: cpu_type_t = 0x0100_000C;
 
@@ -193,7 +191,7 @@ unsafe impl bytemuck::NoUninit for SuperBlob {}
 // ── load-command iterator ─────────────────────────────────────────────────
 // Canonical impl lives in `bun_sys::macho` (raw-ptr storage; see module-level
 // SAFETY note above for why a borrowed `&[u8]` does not work for `macho.rs`).
-pub use bun_sys::macho::{LoadCommand, LoadCommandIterator, RawSlice};
+pub use bun_sys::macho::LoadCommandIterator;
 
 #[inline]
 fn parse_name(name: &[u8; 16]) -> &[u8] {

src/install/PackageManager/PackageManagerEnqueue.rs

@@ -512,7 +512,6 @@ pub fn enqueue_package_for_download(
 }
 
 pub enum DependencyToEnqueue {
-    Pending(DependencyID),
     Resolution {
         package_id: PackageID,
         resolution: Resolution,

src/install/auto_installer.rs

@@ -388,7 +388,6 @@ impl hooks::AutoInstaller for PackageManager {
                 package_id,
                 resolution: resolution_to_hooks(&resolution),
             },
-            enqueue::DependencyToEnqueue::Pending(id) => hooks::EnqueueResult::Pending(id),
             enqueue::DependencyToEnqueue::NotFound => hooks::EnqueueResult::NotFound,
             enqueue::DependencyToEnqueue::Failure(e) => hooks::EnqueueResult::Failure(e.into()),
         }

src/install_types/resolver_hooks.rs

@@ -1406,7 +1406,6 @@ pub enum EnqueueResult {
         package_id: PackageID,
         resolution: Resolution,
     },
-    Pending(DependencyID),
     NotFound,
     Failure(bun_core::Error),
 }

src/js/builtins/BunBuiltinNames.h

@@ -44,7 +44,6 @@ using namespace JSC;
     macro(_owner) \
     macro(_store) \
     macro(abort) \
-    macro(addAbortAlgorithmToSignal) \
     macro(arrayBuffer) \
     macro(asUint8Array) \
     macro(atimeMs) \
@@ -64,7 +63,6 @@ using namespace JSC;
     macro(createCommonJSModule) \
     macro(createFIFO) \
     macro(createInternalModuleById) \
-    macro(createUninitializedArrayBuffer) \
     macro(ctimeMs) \
     macro(data) \
     macro(decode) \
@@ -104,7 +102,6 @@ using namespace JSC;
     macro(internalMessage) \
     macro(internalModuleRegistry) \
     macro(internalRequire) \
-    macro(isAbortSignal) \
     macro(isAbsolute) \
     macro(isUncloneable) \
     macro(isUntransferable) \
@@ -117,9 +114,7 @@ using namespace JSC;
     macro(loadEsmIntoCjs) \
     macro(main) \
     macro(makeAbortError) \
-    macro(makeDOMException) \
     macro(makeErrorWithCode) \
-    macro(makeGetterTypeError) \
     macro(maxAge) \
     macro(metafileJson) \
     macro(method) \
@@ -155,7 +150,6 @@ using namespace JSC;
     macro(readableType) \
     macro(redirect) \
     macro(relative) \
-    macro(removeAbortAlgorithmFromSignal) \
     macro(require) \
     macro(requireESM) \
     macro(requireMap) \