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Jarred Sumner ecd23df4ca Fix banner positioning with --format=cjs --target=bun (#22641) 
## Summary
- Fixes incorrect banner positioning when using `--banner` with
`--format=cjs` and `--target=bun`
- Ensures Bun-specific comments (`// @bun @bun-cjs`) appear before user
banner content
- Properly extracts and positions hashbangs from banner content

## Problem
When using `--banner` with `--format=cjs --target=bun`, the banner was
incorrectly placed before the `// @bun @bun-cjs` comment and CJS wrapper
function, breaking the module format that Bun expects.

## Solution
Implemented proper ordering:
1. **Hashbang** (from source file or extracted from banner if it starts
with `#!`)
2. **@bun comments** (e.g., `// @bun`, `// @bun @bun-cjs`, `// @bun
@bytecode`)
3. **CJS wrapper** `(function(exports, require, module, __filename,
__dirname) {`
4. **Banner content** (excluding any extracted hashbang)

## Test plan
- [x] Added comprehensive tests for banner positioning with CJS/ESM and
Bun target
- [x] Tests cover hashbang extraction from banners
- [x] Tests verify proper ordering with bytecode generation
- [x] All existing tests pass

🤖 Generated with [Claude Code](https://claude.ai/code)

---------

Co-authored-by: Claude <noreply@anthropic.com>
2025-09-14 01:01:22 -07:00
..
allocators
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
analytics
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
api
Implement jsxSideEffects option for JSX dead code elimination control (#22298)
2025-09-01 02:35:55 -07:00
ast
Remove unused function/class names when minifying (#22492)
2025-09-09 23:29:39 -07:00
async
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
bake
Enable async stack traces (#22517)
2025-09-11 17:53:06 -07:00
base64
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bun.js
refactor(MySQL) (#22619)
2025-09-13 14:52:19 -07:00
bundler
Fix banner positioning with --format=cjs --target=bun (#22641)
2025-09-14 01:01:22 -07:00
cli
Add --cwd to test error messages for AI agents (#22560)
2025-09-10 23:02:24 -07:00
codegen
refactor(MySQL) (#22619)
2025-09-13 14:52:19 -07:00
collections
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
create
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
css
Fix crash relating to linear-gradients in CSS (#22622)
2025-09-12 23:44:10 -07:00
deps
feat: Update BoringSSL to latest upstream (Sept 2025) - Post-quantum crypto, Rust support, and major performance improvements (#22562)
2025-09-12 18:16:32 -07:00
errno
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
fs
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
glob
Make BoundedArray more compact, shrink Data in sql from 32 bytes to 24 bytes (#22210)
2025-08-28 17:34:35 -07:00
http
feat: support overriding Host, Sec-WebSocket-Key, and Sec-WebSocket-Protocol headers in WebSocket client (#22545)
2025-09-11 19:36:01 -07:00
init
bun bake templates: --source-map -> --sourcemap (#21130)
2025-07-17 03:13:48 -07:00
install
fix(patch): add bounds checking to prevent segfault during patch application (#21939)
2025-09-12 23:44:48 -07:00
interchange
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
io
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
js
refactor(MySQL) (#22619)
2025-09-13 14:52:19 -07:00
js_lexer
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
libarchive
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
napi
Fix N-API compatibility issues: strict_equals, call_function, and array_with_length (#22459)
2025-09-07 17:53:00 -07:00
node-fallbacks
node-fallbacks:buffer: fix numberIsNaN ReferenceError (#21527)
2025-07-31 22:07:17 -07:00
paths
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
ptr
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
resolver
Implement jsxSideEffects option for JSX dead code elimination control (#22298)
2025-09-01 02:35:55 -07:00
s3
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
safety
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
semver
zig: delete deprecated some bun.jsc apis (#21309)
2025-07-23 17:10:58 -07:00
shell
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
sourcemap
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
sql
refactor(MySQL) (#22619)
2025-09-13 14:52:19 -07:00
string
Revert "Redis PUB/SUB (#21728)"
2025-09-09 23:31:07 -07:00
sys
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
test
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
threading
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
valkey
feat: Add Redis HGET command (#22579)
2025-09-11 17:50:18 -07:00
vm
…
watcher
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
.clang-format
…
allocators.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
analytics.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
asan-config.c
…
asan.zig
Add asan checks to HiveArray (#21449)
2025-07-29 19:35:46 -07:00
ast.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bake.bind.ts
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bake.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
bits.zig
…
boringssl.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
brotli.zig
fix: handle empty chunked gzip responses correctly (#22360)
2025-09-03 18:57:39 -07:00
btjs.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bun.exe.manifest
Enable Windows long path support (#21244)
2025-07-20 23:04:17 -07:00
bun.ico
…
bun.js.zig
internal: Remove unnecessary destruct_main_thread_on_exit flag in favor of method (#22294)
2025-09-01 01:12:11 -07:00
bun.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
bunfig.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
c-headers-for-zig.h
…
cache.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
ci_info.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
cli.zig
Remove unused function/class names when minifying (#22492)
2025-09-09 23:29:39 -07:00
collections.zig
fix(bundler): propagate TLA through importers (#22229)
2025-09-13 16:15:03 -07:00
compile_target.zig
fix: handle empty chunked gzip responses correctly (#22360)
2025-09-03 18:57:39 -07:00
comptime_string_map.zig
Delete incorrect assertion in ComptimeStringMap (#21504)
2025-07-31 00:56:50 -07:00
copy_file.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
crash_handler.zig
Fix stack traces in crash handler (#22414)
2025-09-04 18:14:47 -07:00
csrf.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
darwin.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
defines-table.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
defines.zig
Fix potential crash in new Bun.Transpiler() (#21650)
2025-08-07 15:16:44 -07:00
dir.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
dns.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
env_loader.zig
Fix env loader buffer overflow by using stack fallback allocator (#21416)
2025-07-28 00:13:17 -07:00
env.zig
Dev server refactoring, part 1 (mainly IncrementalGraph) (#22010)
2025-08-22 23:04:58 -07:00
fallback-backend.html
…
fallback.html
…
fallback.ts
…
favicon.png
…
fd.zig
Fix pipeline stack errors on Windows (#21800)
2025-08-14 18:03:26 -07:00
feature_flags.zig
Unskip some tests (#22116)
2025-08-27 06:39:11 -07:00
fixtures_example.com.html
…
fmt.bind.ts
…
fmt.zig
feat(MYSQL) Bun.SQL mysql support (#21968)
2025-08-21 15:28:15 -07:00
fs.zig
Fix ESM <> CJS dual-package hazard determinism bug (#22231)
2025-08-30 02:50:35 -07:00
generated_perf_trace_events.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
glob.zig
…
Global.zig
Generate dependency versions header from CMake (#22561)
2025-09-11 19:24:43 -07:00
handle_oom.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
heap_breakdown.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
highway.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
hmac.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
HTMLScanner.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
http.zig
fix(fetch) handle 101 (#22390)
2025-09-04 18:06:47 -07:00
identity_context.zig
implement "nodeLinker": "isolated" in bun install (#20440)
2025-07-09 00:19:57 -07:00
import_record.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
ini.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
interchange.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
js_lexer_tables.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
js_lexer.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
js_parser.zig
Implement xit/xtest/xdescribe aliases (#21529)
2025-08-25 17:37:12 -07:00
js_printer.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
jsc_stub.zig
…
linear_fifo.zig
Fix linear_fifo (#22590)
2025-09-11 23:29:53 -07:00
linker.lds
…
linker.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
linux.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
logger.zig
fix logger.zig from negative value error (#21876)
2025-08-14 21:12:22 -07:00
logo.svg
…
macho.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
main_test.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
main_wasm.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
main.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
memory.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
meta.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
node_fallbacks.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
open.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
options.zig
Remove unused function/class names when minifying (#22492)
2025-09-09 23:29:39 -07:00
output.zig
fix: scanner on update, install, remove, uninstall and add, and introduce the pm scan command (#22193)
2025-09-09 21:42:01 -07:00
OutputFile.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
patch.zig
patch: make Header struct use one-based line indexing by default (#21995)
2025-09-12 23:59:24 -07:00
paths.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
pe.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
perf.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
pool.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
Progress.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
ptr.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
renamer.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
result.zig
…
router.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
runtime.bun.js
…
runtime.js
Fix NODE_PATH for bun build (#20576)
2025-06-22 20:51:45 -07:00
runtime.zig
Remove unused function/class names when minifying (#22492)
2025-09-09 23:29:39 -07:00
safety.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
semver.zig
…
sha.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
StandaloneModuleGraph.zig
Fix Windows compilation issues with embedded resources and relative paths (#22365)
2025-09-04 18:17:14 -07:00
StaticHashMap.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
string.zig
Implement Bun.YAML.stringify (#22183)
2025-08-31 18:27:51 -07:00
symbols.def
Implement more v8::Array::New overloads, v8::Object::{Get,Set}, v8::Value::StrictEquals, v8::Array::Iterate (#20737)
2025-07-13 04:27:43 -07:00
symbols.dyn
Implement more v8::Array::New overloads, v8::Object::{Get,Set}, v8::Value::StrictEquals, v8::Array::Iterate (#20737)
2025-07-13 04:27:43 -07:00
symbols.txt
Implement more v8::Array::New overloads, v8::Object::{Get,Set}, v8::Value::StrictEquals, v8::Array::Iterate (#20737)
2025-07-13 04:27:43 -07:00
sys_uv.zig
zig: delete deprecated bun.jsc.Maybe (#21327)
2025-07-25 12:38:06 -07:00
sys.zig
Fix Windows compilation issues with embedded resources and relative paths (#22365)
2025-09-04 18:17:14 -07:00
system_timer.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
threading.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
tmp.zig
zig: delete deprecated bun.jsc.Maybe (#21327)
2025-07-25 12:38:06 -07:00
tracy.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
trait.zig
…
transpiler.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
tsconfig.json
…
unit_test.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
url.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
util.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
walker_skippable.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
Watcher.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
which_npm_client.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
which.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
windows-app-info.rc
Enable Windows long path support (#21244)
2025-07-20 23:04:17 -07:00
windows.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
work_pool.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
workaround_missing_symbols.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
wyhash.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
zlib.test.gz
…
zlib.test.txt
…
zlib.zig
fix: handle empty chunked gzip responses correctly (#22360)
2025-09-03 18:57:39 -07:00