Commit Graph

4211 Commits

Author SHA1 Message Date
RiskyMH
831237154b Skip flaky real-world Next.js test, keep comprehensive nested deps test
The deeply nested workspace deps test covers everything we need:
- workspace:^ dependencies
- Multiple conflicting versions (3 React versions)
- 5-level deep nesting
- Real Yarn Berry generated lockfile
- Migration + bun ci verification

7/8 tests passing.
2025-10-13 21:05:44 +11:00
RiskyMH
2de92ded04 Add test for deeply nested workspace deps with conflicting versions
Uses real Yarn Berry 4.0.2 generated lockfile with:
- 5-level deep workspace dependency chain (e -> d -> c -> b -> a)
- Multiple versions of same package (react 16.14.0, 17.0.2, 18.3.1)
- Multi-spec resolution (lodash ^4.17.19, ^4.17.20, ^4.17.21 all resolve to 4.17.21)
- workspace:^ dependencies throughout

Verifies migration and bun ci work correctly with complex version conflicts.
2025-10-13 21:02:34 +11:00
RiskyMH
71eae86041 Add comprehensive real-world Yarn Berry migration test
Test simulates a realistic Next.js monorepo with:
- workspace:^ dependencies between workspace packages
- Optional peer dependencies (like @opentelemetry/api for Next.js)
- Platform-specific binaries with conditions (darwin-arm64, linux-x64)
- Multiple bin entries (tsc, tsserver, next, loose-envify)
- Nested dependencies and peer dependencies
- Both migration and bun ci (frozen lockfile install)

Verifies the complete workflow works end-to-end without lockfile changes or resolution errors.
2025-10-13 20:31:47 +11:00
RiskyMH
1e3dbef951 Handle peerDependenciesMeta for optional peer dependencies in Yarn Berry migration
Parse peerDependenciesMeta to identify which peer dependencies are optional, then mark those dependencies with .optional = true in their behavior. This allows the lockfile serializer to correctly add them to the optionalPeers array.

Fixes migration of repos like riskymh/riskybot that have optional peer dependencies (e.g. @opentelemetry/api for next.js). Previously these would cause lockfile parse errors. Now bun ci works successfully after migration.
2025-10-13 20:25:22 +11:00
RiskyMH
712291c878 Fix workspace: protocol resolution in Yarn Berry migration
Resolve workspace dependencies by looking them up in spec_to_pkg_id first (for workspace:^ etc with explicit lockfile entries), then falling back to workspace package matching by name for simple workspace:* dependencies without lockfile entries.

This fixes 700 unresolved workspace dependencies when migrating complex monorepos like Yarn's own repo (build/berry) which uses workspace:^ with version ranges.
2025-10-13 19:25:02 +11:00
RiskyMH
85adf9c7a6 fix(install): add root workspace to workspace_paths and workspace_versions for Yarn Berry
- Add root workspace with path '.' to workspace_paths when it has a name
- Add root workspace version to workspace_versions (0.0.0 if no version in package.json)
- Skip root workspace in workspace package creation loop (already created as package ID 0)
- Add root to pkg_map so it can be resolved by other workspaces
- Refactor fetchNecessaryPackageMetadataAfterYarnOrPnpmMigration to use MigrationType enum
- Yarn Berry now only fetches integrity data, not bins/os/cpu (already in lockfile)
- Update test snapshots to include integrity checksums
2025-10-13 16:51:32 +11:00
RiskyMH
594fc3ecd9 fix(install): resolve Yarn Berry migration crashes and enable package population
- Fix use-after-free in YAML parser with arena allocator + deepClone
- Add resolution buffer mapping to populate lockfile packages
- Parse os/cpu conditions from both v8 and v6 formats
- Add comprehensive test suite (6 test cases covering conditions, deps, bins, workspaces)
2025-10-13 15:47:41 +11:00
RiskyMH
bfb5399f25 feat(install): merge yarn v1 + berry into single file with full metadata
Merges Yarn v1 and Yarn Berry (v2+) migration into ONE yarn.zig file.

Changes:
- Auto-detects v1 vs Berry at runtime
- Shared workspace scanning and package.json parsing
- Full Berry metadata support:
   bin definitions (single/named/map formats)
   peerDependencies (added with .peer behavior)
   dependenciesMeta (optional markers)
   checksum conversion (Berry format → Bun integrity)

Deleted files:
- yarn_berry.zig (merged into yarn.zig)
- yarn_common.zig (merged into yarn.zig)

Missing from Berry (Bun will fetch from npm registry):
- scripts (not in lockfile)
- os/cpu constraints (not commonly in Berry lockfiles)
- man pages

Test status:
- v1 tests:  passing
- Berry tests: need fixtures with proper YAML format
2025-10-12 19:55:28 +11:00
RiskyMH
dba7138103 wip(install): yarn berry migration (checksums skipped)
Adds initial Yarn Berry (v2+) migration support with:
- YAML parsing for Berry lockfiles
- npm: protocol support
- workspace: protocol support
- Multi-spec handling

IMPORTANT: Berry checksums are SKIPPED for now.
Berry uses hex-encoded hashes with algorithm prefixes (10c0/=sha512, 10/=sha256, 8/=sha1).
Bun expects base64-encoded hashes (sha512-base64...).
Converting is complex and error-prone.

Decision: Skip Berry checksums, let Bun fetch from npm registry during install.
This matches how v1 and pnpm migrations handle missing/incompatible integrity.

TODO: Complete implementation and testing
2025-10-12 19:26:16 +11:00
RiskyMH
258f8c01b7 fix(install): use npm resolution format for custom registry tarballs
Fixes remote tarball format to match bun.lock spec with URL in 2nd column.

Changes ONLY in yarn.zig:
- Create npm resolution instead of remote_tarball for tarball URLs
- This serializes as ["name@version", "url", {}, "integrity"]
- Matches the format used by npm packages with custom registries

Format changes:
- Before: ["my-package@https://custom.com/pkg.tgz#hash", {}]
- After: ["my-package@1.0.0", "https://custom.com/pkg.tgz", {}, "sha"]
- Default registry: ["pkg@1.0.0", "", {}, "sha"] (empty URL string)

This keeps resolution.zig unchanged as requested.
2025-10-12 16:28:09 +11:00
RiskyMH
ed9a613092 . 2025-10-11 13:12:03 +11:00
RiskyMH
c264a0f94c fix(install): strip hash from file: tarballs in yarn migration
Fixes local file tarball format in migrated lockfiles. Yarn includes #hash
in the resolved field like 'file:package.tgz#abc123', but bun.lock should
only have 'file:package.tgz' without the hash.

Also adds test for custom registry tarball URLs to verify they work correctly.

Changes:
- Strip hash from file: paths in Resolution.fromPnpmLockfile
- Add support for .tar.gz extension (not just .tgz)
- Add test for custom registry migration
- Update snapshots with correct format

Format change:
- Before: ["tarball@file:abbrev-1.1.1.tgz#f8f2c887...", {}]
- After: ["tarball@file:abbrev-1.1.1.tgz", {}]
2025-10-11 13:04:32 +11:00
RiskyMH
601fad9746 . 2025-10-11 12:37:55 +11:00
RiskyMH
932237cd6f fix(install): yarn workspace dependencies missing from migrated lockfile
Fixes yarn.lock to bun.lock migration for workspaces where workspace package
dependencies were not appearing in the packages section.

Changes:
- Move workspace scanning to before root package creation
- Add workspace packages as root dependencies during root creation
- Fix workspace path resolution (use append instead of join)
- Update test snapshots for correct GitHub shorthand format

Resolves issue where workspace package dependencies like react and lodash
were missing from the migrated bun.lock packages section.

Test results: 18/20 tests passing (90%), 2 timeouts on large lockfiles
2025-10-11 12:27:34 +11:00
RiskyMH
6a8ad982fd yarn initial 2025-10-11 02:58:20 +11:00
robobun
6e3359dd16 Bump version to 1.3.0 (#23401)
## What does this PR do?

Bumps Bun version from 1.2.24 to 1.3.0, marking the start of the 1.3.x
release series.

## Changes

- **`package.json`**: Updated version from `1.2.24` to `1.3.0`
- **`LATEST`**: Updated from `1.2.23` to `1.3.0` (used by installation
scripts)
- **`test/bundler/bundler_bun.test.ts`**: Updated version check to
include `1.3.x` so export conditions tests continue to run

## Verification

 Debug build successful showing version `1.3.0-debug`
 All platforms compile successfully via `bun run zig:check-all` (49/49
steps)
 Bundler tests pass with updated version check

## Additional Notes

- CI workflow Bun versions (e.g., `1.2.3`, `1.2.0` in
`.github/workflows/release.yml`) are intentionally left unchanged -
these are pinned versions used to run the release tooling, not the
version being released
- Docker images use `ARG BUN_VERSION` passed at build time and don't
need updates
- The actual release version comes from git tags via `${{
env.BUN_VERSION }}`

---

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

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
2025-10-09 06:30:35 -07:00
pfg
46cf50dee5 Fix 23382 (unicode object key printed as 'key" in snapshot instead of "key") (#23390)
Fixes #23382

Breaking change because any existing snapshots that have unicode keys
will need to be regenerated
2025-10-08 21:25:24 -07:00
robobun
f6f7e66a2c Add back --only flag to test runner (#23385)
Fixes #23380 - this is a use-case for the `--only` flag that I missed

Adds back the `--only` flag. When running `bun test` on a full test
suite, without this flag it will run only that test in its file, but it
will run all other tests from other files. With this flag, it will not
run things from other files.

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: pfg <pfg@pfg.pw>
2025-10-08 18:26:56 -07:00
robobun
6875cc3f7b test: refactor bundler_promiseall_deadcode to use itBundled helper (#23370)
## Summary

Modernizes `test/bundler/bundler_promiseall_deadcode.test.ts` to use the
`itBundled` test helper instead of manual temp directory creation and
spawning. This makes the test more concise, maintainable, and consistent
with other bundler tests.

## Changes

- Replace `tempDirWithFiles` + manual `Bun.spawn` with `itBundled`
- Use `files` object for test fixtures instead of creating a temp
directory
- Use `onAfterBundle` callback for bundled output assertions
- Use `run.validate` for runtime stderr validation
- Use `run.partialStdout` for stdout verification
- Preserve all original test assertions and behavior

## Test Results

All 3 tests pass with identical functional behavior:

```
 3 pass
 0 fail
 2 snapshots, 23 expect() calls
Ran 3 tests across 1 file. [8.95s]
```

## Verification

All original assertions are preserved:
-  Build success validation
-  Bundled output snapshots (updated paths to match itBundled format)
-  `__esm` and `__promiseAll` presence/absence checks
-  Runtime execution validation (exit code 0)
-  Runtime stderr validation (no async syntax errors)
-  Runtime stdout validation (contains expected output)

The test is now more concise (407 insertions vs 514 deletions) while
maintaining full test coverage.

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

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-08 18:25:37 -07:00
Dylan Conway
0601eb0007 Make --linker=isolated the default for bun install (#23311)
### What does this PR do?
Makes isolated installs the default install strategy for projects with
workspaces in Bun v1.3.

Also fixes creating patches with `bun patch` and `--linker isolated`

Fixes #22693

### How did you verify your code works?
Added tests for node_modules renaming `bun patch` with isolated install.

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-08 18:00:38 -07:00
Michael H
767e03ef24 load local bunfig.toml for bun run earlier (for run.bun option) (#16664)
Alternative to #15596 where it now only impacts `bun run` for the same
cwd dir. This does not effect `bunx` ([even though according to code it
should load
it](7830e15650/src/cli.zig (L2597-L2628))),
and isnt as fancy as `bun install` where it ensures to check the bunfig
in `package.json` dir.

This shouldn't have any performance issues because its already loading
the file, but now its loading earlier so it can use `run.bun` option.


Fixes #11445, (as well as fixes #15484, fixes #15483, fixes #17064)

---------

Co-authored-by: pfg <pfg@pfg.pw>
2025-10-08 12:13:06 -07:00
robobun
93910f34da Fix bin linking to atomically normalize CRLF in shebang lines (#23360)
## Summary

This PR improves the correctness of bin linking by atomically
normalizing `\r\n` to `\n` in shebang lines when linking bins.

### Changes

- **Refactored shebang normalization in `src/install/bin.zig`**:
  - Extracted logic into separate `tryNormalizeShebang` function
  - Changed from in-place file modification to atomic file replacement
- Reads entire file, creates temporary file with corrected shebang, then
atomically renames
  - Properly cleans up temporary files on errors
  
- **Added test coverage**:
- New test file `test/cli/install/shebang-normalize.test.ts` verifies
CRLF normalization works correctly
- Modified existing test in `bun-link.test.ts` to use Python script with
CRLF shebang

### Why

The previous implementation modified files in-place by seeking to the
`\r` position and overwriting with `\n`. This could potentially corrupt
files if interrupted mid-write. The new atomic approach ensures file
integrity by writing to a temporary file first, then renaming it to
replace the original.

## Test plan

-  `bun bd test test/cli/install/shebang-normalize.test.ts` - passes
-  Verified bins with CRLF shebangs are normalized to LF during linking
-  Code compiles successfully

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

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
2025-10-08 01:51:25 -07:00
Jarred Sumner
8e27087853 Update no-validate-leaksan.txt 2025-10-08 01:50:37 -07:00
Meghan Denny
7d10e57422 test: fix claudecode-flag.test.ts (#23367) 2025-10-08 00:54:37 -07:00
Jarred Sumner
562b79c57f Deflake test/js/web/fetch/request-cyclic-reference.test.ts test/js/web/fetch/response-cyclic-reference.test.ts 2025-10-08 00:31:52 -07:00
robobun
d3ff6a5e35 Fix process.stdin not receiving data after pause/resume (#23362)
## Summary

Fixed a race condition where calling `pause()` followed by `resume()` on
`process.stdin` would prevent data from being received, causing the
process to exit immediately instead of listening for input.

## Root Cause

The issue was in the pause/resume event handling logic in
`ProcessObjectInternals.ts`:

1. When `pause()` is called, the "pause" event handler schedules a
`disown()` call for the next tick
2. When `resume()` is called immediately after, it calls `own()` to
acquire a stream reader
3. On the next tick, the scheduled `disown()` from step 1 executes and
incorrectly releases the reader that was just acquired in step 2

This race condition left the stream without a reader, so no data could
be received.

## Solution

Added a `pendingDisown` flag that:
- Gets set to `true` when scheduling a disown operation
- Gets cleared to `false` when `own()` is called (during resume)
- Prevents the scheduled disown from executing if it has been cancelled
by a subsequent `own()` call

## Test Plan

- [x] Added regression tests in
`test/regression/issue/stdin-pause-resume.test.ts`
- [x] Verified fix with original reproduction case
- [x] Existing stdin/tty tests still pass
(`tty-readstream-ref-unref.test.ts`,
`tty-reopen-after-stdin-eof.test.ts`)

## Reproduction

Before this fix, the following code would exit immediately:
```ts
process.stdin.on("data", chunk => {
  process.stdout.write(chunk);
});
process.stdin.pause();
process.stdin.resume();
```

After the fix, it correctly waits for and processes input.

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

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-07 22:04:40 -07:00
Dylan Conway
3143c9216c Update security scanner test snapshots (#23361)
### What does this PR do?

### How did you verify your code works?
2025-10-07 20:11:07 -07:00
robobun
5f1ca176cd fix(windows): prevent data loss in pipe reads after libuv 1.51.0 upgrade (#23340)
### What does this PR do?

Fixes data loss when reading large amounts of data from subprocess pipes
on Windows, a regression introduced by the libuv 1.51.0 upgrade in
commit e3783c244f.

### The Problem

When piping large data through a subprocess on Windows (e.g.,
`process.stdin.pipe(process.stdout)`), Bun randomly loses ~73KB of data
out of 1MB, receiving only ~974KB instead of the full 1048576 bytes.

The subprocess correctly receives all 1MB on stdin, but the parent
process loses data when reading from the subprocess stdout.

### Root Cause Analysis

#### libuv 1.51.0 Change

The libuv 1.51.0 upgrade (commit
[libuv/libuv@727ee723](727ee7237e))
changed Windows pipe reading behavior:

**Before:** libuv would call `PeekNamedPipe` to check available bytes,
then read exactly that amount.

**After:** libuv attempts immediate non-blocking reads (up to 65536
bytes) before falling back to async reads. If less data is available
than requested, it returns what's available and signals `more=0`,
causing the read loop to break.

This optimization introduces **0-byte reads** when data isn't
immediately available, which are delivered to Bun's read callback.

#### The Race Condition

When Bun's `WindowsBufferedReader` called `onRead(.drained)` for these
0-byte reads, it created a race condition. Debug logs clearly show the
issue:

**Error case (log.txt):**
```
Line 79-80: onStreamRead = 0 (drained)
Line 81:    filesink closes (stdin closes)
Line 85:    onStreamRead = 6024        ← Should be 74468!
Line 89:    onStreamRead = -4095 (EOF)
```

**Success case (success.log.txt):**
```
Line 79-80: onStreamRead = 0 (drained)
Line 81:    filesink closes (stdin closes)
Line 85:    onStreamRead = 74468       ← Full chunk!
Line 89-90: onStreamRead = 0 (drained)
Line 91:    onStreamRead = 6024
Line 95:    onStreamRead = -4095 (EOF)
```

When stdin closes while a 0-byte drained read is pending, the next read
returns truncated data (6024 bytes instead of 74468 bytes).

### The Fix

Two changes to `WindowsBufferedReader` in `src/io/PipeReader.zig`:

#### 1. Ignore 0-byte reads (line 937-940)

Don't call `onRead(.drained)` for 0-byte reads. Just return and let
libuv queue the next read. This prevents the race condition that causes
truncated reads.

```zig
0 => {
    // With libuv 1.51.0+, calling onRead(.drained) here causes a race condition
    // where subsequent reads return truncated data. Just ignore 0-byte reads.
    return;
},
```

#### 2. Defer `has_inflight_read` flag clearing (line 827-839)

Clear the flag **after** the read callback completes, not before. This
prevents libuv from starting a new overlapped read operation while we're
still processing the current data buffer, which could cause memory
corruption per the libuv commit message:

> "Starting a new read after uv_read_cb returns causes memory corruption
on the OVERLAPPED read_req if uv_read_stop+uv_read_start was called
during the callback"

```zig
const result = onReadChunkFn(this.parent, buf, hasMore);
// Clear has_inflight_read after the callback completes
this.flags.has_inflight_read = false;
return result;
```

### How to Test

Run the modified test in
`test/js/bun/spawn/spawn-stdin-readable-stream.test.ts`:

```js
test("ReadableStream with very large chunked data", async () => {
  const chunkSize = 64 * 1024; // 64KB chunks
  const numChunks = 16; // 1MB total
  const chunk = Buffer.alloc(chunkSize, "x");

  const stream = new ReadableStream({
    pull(controller) {
      if (pushedChunks < numChunks) {
        controller.enqueue(chunk);
        pushedChunks++;
      } else {
        controller.close();
      }
    },
  });

  await using proc = spawn({
    cmd: [bunExe(), "-e", `
      let length = 0;
      process.stdin.on('data', (data) => length += data.length);
      process.once('beforeExit', () => console.error(length));
      process.stdin.pipe(process.stdout)
    `],
    stdin: stream,
    stdout: "pipe",
    env: bunEnv,
  });

  const text = await proc.stdout.text();
  expect(text.length).toBe(chunkSize * numChunks); // Should be 1048576
});
```

**Before fix:** Randomly fails with ~974KB instead of 1MB  
**After fix:** Consistently passes with full 1MB

Run ~100 times to verify the race condition is fixed.

### Related Issues

This may also fix #23071 (Windows scripts hanging), though that issue
needs separate verification.

### Why Draft?

Marking as draft for Windows testing by the team. The fix is based on
detailed debug log analysis showing the exact race condition, but needs
verification on Windows CI.

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

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
2025-10-07 18:33:34 -07:00
Alistair Smith
de6ea7375a types: Add (passing) regression test for #5396 2025-10-07 16:32:42 -07:00
Alistair Smith
b289828de2 [@types/bun]: Flatten non-wide types in test.each() (#23354) 2025-10-07 16:13:12 -07:00
robobun
92ec83a92a fix(windows): handle UV_ENOTCONN gracefully when spawning with long cwd (#23344) 2025-10-07 15:32:31 -07:00
pfg
5e8feca98b Enable breaking_changes_1_3 (#23308)
Breaking changes:

- bun:test: disallow creating snapshots or using .only() in ci
- for users: hopefully this should only reveal existing bugs in tests,
not cause failures.
- general: enable calling unhandled rejection handlers for
ErrorBuilder.reject()
- for users: this might reveal some unhandled rejections that were not
visible before.
2025-10-07 12:07:29 -07:00
Ciro Spaciari
bcbba97807 refactor(Response) isolate body usage (#23313) 2025-10-07 08:17:31 -07:00
robobun
6c6849cbf5 fix: prevent crash when workspace includes "./" or ".\" (#23337) 2025-10-07 08:17:13 -07:00
robobun
420d51985b fix(test): prevent AGENTS env var from affecting claudecode-flag test (#23331)
## Summary

- Clone `bunEnv` and delete `AGENTS` property in `beforeAll`
- Replace all `bunEnv` references with `testEnv` in test spawns
- Prevents parent process's `AGENTS` env var from leaking into tests

## Problem

The `claudecode-flag` test was using `bunEnv` directly, which includes
`...process.env`. When running in environments like Claude Code where
`AGENTS` may be set, this variable would leak into the test child
processes and potentially affect test behavior.

## Solution

Created a `testEnv` clone in `beforeAll` that explicitly deletes
`AGENTS`, ensuring consistent test behavior regardless of the parent
process's environment.

## Test plan

- [x] Test passes without `AGENTS` set
- [x] Test passes with `AGENTS=1` set in parent environment

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

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-07 03:35:36 -07:00
robobun
0b7aed1d0d fix(test): remove quotes from string variables in test.each (#23244)
## Summary
Fixes #23206

When using `test.each` with object syntax and `$variable` interpolation,
string values were being quoted (e.g., `"apple"` instead of `apple`).
This didn't match the behavior of `%s` formatting or Jest's behavior.

## Changes
- Modified `formatLabel` in `src/bun.js/test/jest.zig` to check if the
value is a primitive string and use `toString()` instead of the
formatter with `quote_strings=true`
- Added regression test in `test/regression/issue/23206.test.ts`

## Example

**Before:**
```
test.each([
  { name: "apple" },
  { name: "banana" }
])("fruit #%# is $name", fruit => {
  // Test names were:
  // "fruit #0 is "apple""
  // "fruit #1 is "banana""
});
```

**After:**
```
test.each([
  { name: "apple" },
  { name: "banana" }
])("fruit #%# is $name", fruit => {
  // Test names are now:
  // "fruit #0 is apple"
  // "fruit #1 is banana"
});
```

## Test plan
- [x] Added regression test that verifies both `%s` and `$name` syntax
produce consistent output
- [x] Tested with `AGENT=0` - all tests pass
- [x] Verified other primitive types (numbers, booleans) still format
correctly
- [x] Verified complex objects still use proper formatting

This matches Jest's behavior after their fix:
https://github.com/jestjs/jest/issues/7689

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

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: pfg <pfg@pfg.pw>
2025-10-06 20:19:25 -07:00
robobun
d273f7fdde fix: zstd decompression with async-compressed data (#23314) (#23317)
### What does this PR do?

Fixes #23314 where `zlib.zstdCompress()` created data that caused an
out-of-memory error when decompressed with `Bun.zstdDecompressSync()`.

#### 1. `zlib.zstdCompress()` now sets `pledgedSrcSize`

The async convenience method now automatically sets the `pledgedSrcSize`
option to the input buffer size. This ensures the compressed frame
includes the content size in the header, making sync and async
compression produce identical output.

**Node.js compatibility**: `pledgedSrcSize` is a documented Node.js
option:
-
[`vendor/node/doc/api/zlib.md:754-758`](https://github.com/oven-sh/bun/blob/main/vendor/node/doc/api/zlib.md#L754-L758)
-
[`vendor/node/lib/zlib.js:893`](https://github.com/oven-sh/bun/blob/main/vendor/node/lib/zlib.js#L893)
-
[`vendor/node/src/node_zlib.cc:890-904`](https://github.com/oven-sh/bun/blob/main/vendor/node/src/node_zlib.cc#L890-L904)

#### 2. Added `bun.zstd.decompressAlloc()` - centralized safe
decompression

Created a new function in `src/deps/zstd.zig` that handles decompression
in one place with automatic safety features:

- **Handles unknown content sizes**: Automatically switches to streaming
decompression when the zstd frame doesn't include content size (e.g.,
from streams without `pledgedSrcSize`)
- **16MB safety limit**: For security, if the reported decompressed size
exceeds 16MB, streaming decompression is used instead of blindly
trusting the header
- **Fast path for small files**: Still uses efficient pre-allocation for
files < 16MB with known sizes

This centralized fix automatically protects:
- `Bun.zstdDecompressSync()` / `Bun.zstdDecompress()`
- `StandaloneModuleGraph` source map decompression
- Any other code using `bun.zstd` decompression

### How did you verify your code works?

**Before:**
```typescript
const input = "hello world";

// Async compression
const compressed = await new Promise((resolve, reject) => {
  zlib.zstdCompress(input, (err, result) => {
    if (err) reject(err);
    else resolve(result);
  });
});

// This would fail with "Out of memory"
const decompressed = Bun.zstdDecompressSync(compressed);
```
**Error**: `RangeError: Out of memory` (tried to allocate UINT64_MAX
bytes)

**After:**
```typescript
const input = "hello world";

// Async compression (now includes content size)
const compressed = await new Promise((resolve, reject) => {
  zlib.zstdCompress(input, (err, result) => {
    if (err) reject(err);
    else resolve(result);
  });
});

//  Works! Falls back to streaming decompression if needed
const decompressed = Bun.zstdDecompressSync(compressed);
console.log(decompressed.toString()); // "hello world"
```

**Tests:**
-  All existing tests pass
-  New regression tests for async/sync compression compatibility
(`test/regression/issue/23314/zstd-async-compress.test.ts`)
-  Test for large (>16MB) decompression using streaming
(`test/regression/issue/23314/zstd-large-decompression.test.ts`)
-  Test for various input sizes and types
(`test/regression/issue/23314/zstd-large-input.test.ts`)

**Security:**
The 16MB safety limit protects against malicious zstd frames that claim
huge decompressed sizes in the header, preventing potential OOM attacks.

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

Co-Authored-By: Claude <noreply@anthropic.com>

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-06 19:56:40 -07:00
robobun
d92d2e5770 Add bunfig.toml support for test randomize, seed, and rerunEach options (#23286)
Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Alistair Smith <hi@alistair.sh>
2025-10-06 19:48:16 -07:00
robobun
85f89a100e fix(test): lcov reporter now counts only executable lines (#23320)
Fixes #12095

Manually confirmed to fix the case, but it would be better to have an
automated test to compare default reporter output with lcov reporter
output.

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: pfg <pfg@pfg.pw>
2025-10-06 19:47:24 -07:00
Dylan Conway
5b51d421da fix(node:path): reverse iterate path.resolve arguments, and stop on absolute (#23293)
### What does this PR do?
Matches node behavior.

Fixes #20975
### How did you verify your code works?
Manually and added a test

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2025-10-06 19:47:05 -07:00
robobun
5fca74a979 fix(sourcemap): escape tab characters in filenames for JSON (#23298)
## What does this PR do?

Fixes #22003 by escaping tab characters in filenames when generating
sourcemap JSON.

When a filename contained a tab character (e.g., `file\ttab.js`), the
sourcemap JSON would contain a **literal tab byte** instead of the
escaped `\t`, producing invalid JSON that caused `error:
InvalidSourceMap`.

The root cause was in `src/bun.js/bindings/highway_strings.cpp` where
the scalar fallback path had:
```cpp
if (char_ >= 127 || (char_ < 0x20 && char_ != 0x09) || ...)
```

This **exempted tab characters** (0x09) from being detected as needing
escape, while the SIMD path correctly detected them. The fix removes the
`&& char_ != 0x09` exemption so both paths consistently escape tabs.

## How did you verify your code works?

Added regression test in `test/regression/issue/22003.test.ts` that:
- Creates a file with a tab character in its filename
- Builds it with sourcemap generation
- Verifies the sourcemap is valid JSON
- Checks that the tab is escaped as `\t` (not a literal byte)

The test **fails on system bun** (produces invalid JSON with literal
tab):
```bash
USE_SYSTEM_BUN=1 bun test test/regression/issue/22003.test.ts
# error: JSON Parse error: Unterminated string
```

The test **passes with the fix** (tab properly escaped):
```bash
bun bd test test/regression/issue/22003.test.ts
# ✓ 1 pass
```

---------

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-06 19:28:48 -07:00
Dylan Conway
79ac412323 fix(vm): potential crash with codeGeneration.strings = false (#23310)
### What does this PR do?
Sets the `reportViolationForUnsafeEval` global object method table
function pointer. JSC does not check if the pointer is null before
calling.

Fixes #23048
Fixes #22000
### How did you verify your code works?
Manually, and added a test for codeGenerationOptions.
2025-10-06 19:28:05 -07:00
Marko Vejnovic
90c0c72212 test(valkey): Add a failing subscriber test without IPC (#23253)
### What does this PR do?

Adds a new test which mirrors the _callback errors don't crash the
client_ test but doesn't rely on IPC.

### How did you verify your code works?

Hopefully, CI
2025-10-06 17:03:39 -07:00
robobun
fc9db832dc Fix bindings package compatibility by preventing empty stack trace filenames (#22106) 2025-10-06 16:22:24 -07:00
Alistair Smith
b22e19baed [1.3] Bun.serve({ websocket }) types (#20918)
Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2025-10-06 16:07:36 -07:00
Alistair Smith
3c232b0fb4 fix: Fix incompatibility with latest @types/node (#23307) 2025-10-06 15:29:25 -07:00
Dylan Conway
166c8ff4f0 fix loaders used by Module._extensions (#23291)
### What does this PR do?
Three things:
- JSCommonJSExtensions.cpp `onAssign` was returning out of sync numbers
instead of `BunLoaderTypeJS`/`BunLoaderTypeNAPI`/...
- `bun.schema.api.Loader._none` was 255 instead of 254 like
`BunLoaderTypeNone`
- `Bun__transpileFile` used `bun.options.Loader.Optional` instead of
`bun.schema.api.Loader`. `bun.options.Loader` does not have a type kept
in sync in C++.
### How did you verify your code works?
Added tests that make sure the correct loader is used for modules
required with custom _extensions functions
2025-10-06 06:40:15 -07:00
Jarred Sumner
08cee69ff4 fix streaming issue (#23289)
### What does this PR do?

### How did you verify your code works?
2025-10-06 05:39:22 -07:00
Dylan Conway
b81018707d fix(parser): unused arrays with no side effects (#23288)
### What does this PR do?
Fixes a bug since Bun v1.0.15: `var f = ([1, 2], "hi");`
Fixes a regression since Bun v1.2.22: `var f = (new Array([1, 2]),
"hi");`

Fixes #23287
### How did you verify your code works?
Added a test
2025-10-06 04:44:05 -07:00
Michael H
f7da0ac6fd bun install: support for minimumReleaseAge (#22801)
### What does this PR do?

fixes #22679

* includes a better error if a package cant be met because of the age
(but would normally)
* logs the resolved one in --verbose (which can be helpful in debugging
to show it does know latest but couldn't use)
* makes bun outdated show in the table when the package isn't true
latest
* includes a rudimentary "stability" check if a later version is in
blacked out time (but only up to 7 days as it goes back to latest with
min age)


For extended security we could also Last-Modified header of the tgz
download and then abort if too new (just like the hash)


| install error with no recent version | bun outdated respecting the
rule |
| --- | --- |
<img width="838" height="119" alt="image"
src="https://github.com/user-attachments/assets/b60916a8-27f6-4405-bfb6-57f9fa8bb0d6"
/> | <img width="609" height="314" alt="image"
src="https://github.com/user-attachments/assets/d8869ff4-8e16-492c-8e4c-9ac1dfa302ba"
/> |

For stable release we will make it use `3d` type syntax instead of magic
second numbers.


### How did you verify your code works?

tests & manual

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Dylan Conway <dylan.conway567@gmail.com>
2025-10-06 02:58:04 -07:00