This PR addresses several issues opened for the docs:
- Add callout for SQLite caching behavior between prepare() and query()
- Fix SQLite types and fix deprecated exec to run
- Fix Secrets API example
- Update SolidStart guide
- Add bun upgrade guide
- Prefer `process.versions.bun` over `typeof Bun` for detection
- Document complete `bunx` flags
- Improve Nitro preset documentation for Nuxt
Fixes#23165, #24424, #24294, #25175, #18433, #16804, #22967, #22527,
#10560, #14744
# What does this PR do?
Nyaa~ This PR fixes a small mistake in the documentation where the code
block for a React component test example was using the wrong filename!
(；ω；)💦
It was previously labeled as `matchers.d.ts`, but it should be something
like `myComponent.test.tsx` to properly reflect a test file for a React
component using `@testing-library/react`. 🧁✨
This makes the example clearer and more accurate for developers using
Bun to test their React components~! 💻🌸💕
# How did you verify your code works?
It's just docs, one single line 🥺
Pwease review and merge it when you can, senpai~~! UwU 🌈🫧
## Summary
- Add documentation for the `env` option that inlines `process.env.*`
values in frontend code when bundling HTML files
- Document runtime configuration via `bunfig.toml` `[serve.static]`
section for `bun ./index.html`
- Document production build configuration via CLI (`--env=PUBLIC_*`) and
`Bun.build` API (`env: "PUBLIC_*"`)
- Explain prefix filtering to avoid exposing sensitive environment
variables
## Test plan
- [x] Verify documentation renders correctly in local preview
- [x] Cross-reference with existing `env` documentation in
bundler/index.mdx
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## Summary
- Extends `fetch()` proxy option to accept an object format: `proxy: {
url: string, headers?: Headers }`
- Allows sending custom headers to the proxy server (useful for proxy
authentication, custom routing headers, etc.)
- Headers are sent in CONNECT requests (for HTTPS targets) and direct
proxy requests (for HTTP targets)
- User-provided `Proxy-Authorization` header overrides auto-generated
credentials from URL
## Usage
```typescript
// Old format (still works)
fetch(url, { proxy: "http://proxy.example.com:8080" });
// New object format with headers
fetch(url, {
proxy: {
url: "http://proxy.example.com:8080",
headers: {
"Proxy-Authorization": "Bearer token",
"X-Custom-Proxy-Header": "value"
}
}
});
```
## Test plan
- [x] Test proxy object with url string works same as string proxy
- [x] Test proxy object with headers sends headers to proxy (HTTP
target)
- [x] Test proxy object with headers sends headers in CONNECT request
(HTTPS target)
- [x] Test proxy object with Headers instance
- [x] Test proxy object with empty headers
- [x] Test proxy object with undefined headers
- [x] Test user-provided Proxy-Authorization overrides URL credentials
- [x] All existing proxy tests pass (25 total)
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## What does this PR do?
Adds missing documentation for features introduced in Bun v1.3.2 and
v1.3.3:
- **Standalone executable config flags**
(`docs/bundler/executables.mdx`): Document
`--no-compile-autoload-dotenv` and `--no-compile-autoload-bunfig` flags
that control automatic config file loading in compiled binaries
- **Test retry/repeats** (`docs/test/writing-tests.mdx`): Document the
`retry` and `repeats` test options for handling flaky tests
- **Disable env file loading**
(`docs/runtime/environment-variables.mdx`): Document `--no-env-file`
flag and `env = false` bunfig option
## How did you verify your code works?
- [x] Verified documentation is accurate against source code
implementation in `src/cli/Arguments.zig`
- [x] Verified features are not already documented elsewhere
- [x] Cross-referenced with v1.3.2 and v1.3.3 release notes
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This updates the documentation for `fs.watch()` to use `relativePath`
instead of `filename` in the recursive example, following the same
convention from PR #23990.
When `recursive: true` is set on `fs.watch()`, the callback receives a
relative path to the changed file rather than just a simple filename.
Using `relativePath` as the parameter name makes this distinction
clearer to users.
**Related to:** https://github.com/oven-sh/bun/pull/23990
Co-authored-by: Michael H <git@riskymh.dev>
## Summary
Remove outdated version mentions (1.0.x and 1.1.x) from documentation
for better consistency. These versions are over a year old - you should
be using a recent version of bun :).
## What changed
**Removed version mentions from:**
- `docs/pm/lifecycle.mdx` - v1.0.16 (trusted dependencies)
- `docs/bundler/executables.mdx` - v1.0.23, v1.1.25, v1.1.30 (various
features)
- `docs/guides/install/jfrog-artifactory.mdx` - v1.0.3+ (env var
comment)
- `docs/guides/install/azure-artifacts.mdx` - v1.0.3+ (env var comment)
- `docs/runtime/workers.mdx` - v1.1.13, v1.1.35 (blob URLs, preload)
- `docs/runtime/networking/dns.mdx` - v1.1.9 (DNS caching)
- `docs/guides/runtime/import-html.mdx` - v1.1.5
- `docs/guides/runtime/define-constant.mdx` - v1.1.5
- `docs/runtime/sqlite.mdx` - v1.1.31
**Kept version mentions in:**
- All 1.2.x versions (still recent, less than a year old)
- Benchmark version numbers (e.g., S3 performance comparison with
v1.1.44)
- `docs/guides/install/yarnlock.mdx` (bun.lock introduction context)
- `docs/project/building-windows.mdx` (build requirements)
- `docs/runtime/http/websockets.mdx` (performance benchmarks)
## Why
The docs lack consistency around version mentions - we don't document
every feature's version, so keeping scattered old version numbers looks
inconsistent. These changes represent a small percentage of features
added recently, and users on ancient versions have bigger problems than
needing to know exactly when a feature landed.
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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: RiskyMH <git@riskymh.dev>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
## Summary
Updates documentation for all major features and changes introduced in
Bun v1.3.2 blog post.
## Changes
### Package Manager
- ✅ Document `configVersion` system for controlling default linker
behavior
- ✅ Clarify that "existing projects (made pre-v1.3.2)" use hoisted
installs for backward compatibility
- ✅ Add smart postinstall script optimization with environment variable
flags
- ✅ Document improved Git dependency resolution with HTTP tarball
optimization
- ✅ Add `bun list` alias for `bun pm ls`
### Testing
- ✅ Document new `onTestFinished` lifecycle hook with simple example
- ✅ Add to lifecycle hooks table in test documentation
### Runtime & Performance
- ✅ Add CPU profiling with `--cpu-prof` flag documentation
- ✅ Place after memory usage section for better flow
### WebSockets
- ✅ Add `subscriptions` getter to existing pub/sub example
- ✅ Add TypeScript reference for the subscriptions property
## Documentation Improvements
All documentation now consistently:
- Uses "made pre-v1.3.2" to clarify existing project behavior
- Simplifies default linker explanations with clear references to
`/docs/pm/isolated-installs`
- Uses `/docs/pm/isolated-installs` for all internal references
- Avoids confusing technical details in favor of user-friendly summaries
## Files Modified
- `docs/guides/install/add-git.mdx` - Added GitHub tarball optimization
note
- `docs/pm/cli/install.mdx` - Added installation strategies and smart
postinstall docs
- `docs/pm/cli/pm.mdx` - Added bun list alias
- `docs/pm/isolated-installs.mdx` - Updated default behavior section
with configVersion table
- `docs/project/benchmarking.mdx` - Added CPU profiling section
- `docs/runtime/bunfig.mdx` - Clarified install.linker defaults
- `docs/runtime/http/websockets.mdx` - Added subscriptions to example
and TypeScript interface
- `docs/test/lifecycle.mdx` - Added onTestFinished hook documentation
## Diff
````diff
diff --git a/docs/guides/install/add-git.mdx b/docs/guides/install/add-git.mdx
index 70950e1a63..7f8f3c8d81 100644
--- a/docs/guides/install/add-git.mdx
+++ b/docs/guides/install/add-git.mdx
@@ -33,6 +33,8 @@ bun add git@github.com:lodash/lodash.git
bun add github:colinhacks/zod
```
+**Note:** GitHub dependencies download via HTTP tarball when possible for faster installation.
+
---
See [Docs > Package manager](https://bun.com/docs/cli/install) for complete documentation of Bun's package manager.
diff --git a/docs/pm/cli/install.mdx b/docs/pm/cli/install.mdx
index 7affb62646..dde268b7e5 100644
--- a/docs/pm/cli/install.mdx
+++ b/docs/pm/cli/install.mdx
@@ -88,6 +88,13 @@ Lifecycle scripts will run in parallel during installation. To adjust the maximu
bun install --concurrent-scripts 5
```
+Bun automatically optimizes postinstall scripts for popular packages (like `esbuild`, `sharp`, etc.) by determining which scripts need to run. To disable these optimizations:
+
+```bash terminal icon="terminal"
+BUN_FEATURE_FLAG_DISABLE_NATIVE_DEPENDENCY_LINKER=1 bun install
+BUN_FEATURE_FLAG_DISABLE_IGNORE_SCRIPTS=1 bun install
+```
+
---
## Workspaces
@@ -231,7 +238,7 @@ Bun supports installing dependencies from Git, GitHub, and local or remotely-hos
Bun supports two package installation strategies that determine how dependencies are organized in `node_modules`:
-### Hoisted installs (default for single projects)
+### Hoisted installs
The traditional npm/Yarn approach that flattens dependencies into a shared `node_modules` directory:
@@ -249,7 +256,15 @@ bun install --linker isolated
Isolated installs create a central package store in `node_modules/.bun/` with symlinks in the top-level `node_modules`. This ensures packages can only access their declared dependencies.
-For complete documentation on isolated installs, refer to [Package manager > Isolated installs](/pm/isolated-installs).
+### Default strategy
+
+The default linker strategy depends on whether you're starting fresh or have an existing project:
+
+- **New workspaces/monorepos**: `isolated` (prevents phantom dependencies)
+- **New single-package projects**: `hoisted` (traditional npm behavior)
+- **Existing projects (made pre-v1.3.2)**: `hoisted` (preserves backward compatibility)
+
+The default is controlled by a `configVersion` field in your lockfile. For a detailed explanation, see [Package manager > Isolated installs](/docs/pm/isolated-installs).
---
@@ -319,8 +334,7 @@ dryRun = false
concurrentScripts = 16 # (cpu count or GOMAXPROCS) x2
# installation strategy: "hoisted" or "isolated"
-# default: "hoisted" (for single-project projects)
-# default: "isolated" (for monorepo projects)
+# default varies by project type - see /docs/pm/isolated-installs
linker = "hoisted"
diff --git a/docs/pm/cli/pm.mdx b/docs/pm/cli/pm.mdx
index fc297753d3..9c8faa7da1 100644
--- a/docs/pm/cli/pm.mdx
+++ b/docs/pm/cli/pm.mdx
@@ -115,6 +115,8 @@ To print a list of installed dependencies in the current project and their resol
```bash terminal icon="terminal"
bun pm ls
+# or
+bun list
```
```txt
@@ -130,6 +132,8 @@ To print all installed dependencies, including nth-order dependencies.
```bash terminal icon="terminal"
bun pm ls --all
+# or
+bun list --all
```
```txt
diff --git a/docs/pm/isolated-installs.mdx b/docs/pm/isolated-installs.mdx
index 73c6748b15..17afe02fe1 100644
--- a/docs/pm/isolated-installs.mdx
+++ b/docs/pm/isolated-installs.mdx
@@ -5,7 +5,7 @@ description: "Strict dependency isolation similar to pnpm's approach"
Bun provides an alternative package installation strategy called **isolated installs** that creates strict dependency isolation similar to pnpm's approach. This mode prevents phantom dependencies and ensures reproducible, deterministic builds.
-This is the default installation strategy for monorepo projects.
+This is the default installation strategy for **new** workspace/monorepo projects (with `configVersion = 1` in the lockfile). Existing projects continue using hoisted installs unless explicitly configured.
## What are isolated installs?
@@ -43,8 +43,23 @@ linker = "isolated"
### Default behavior
-- For monorepo projects, Bun uses the **isolated** installation strategy by default.
-- For single-project projects, Bun uses the **hoisted** installation strategy by default.
+The default linker strategy depends on your project's lockfile `configVersion`:
+
+| `configVersion` | Using workspaces? | Default Linker |
+| --------------- | ----------------- | -------------- |
+| `1` | ✅ | `isolated` |
+| `1` | ❌ | `hoisted` |
+| `0` | ✅ | `hoisted` |
+| `0` | ❌ | `hoisted` |
+
+**New projects**: Default to `configVersion = 1`. In workspaces, v1 uses the isolated linker by default; otherwise it uses hoisted linking.
+
+**Existing Bun projects (made pre-v1.3.2)**: If your existing lockfile doesn't have a version yet, Bun sets `configVersion = 0` when you run `bun install`, preserving the previous hoisted linker default.
+
+**Migrations from other package managers**:
+
+- From pnpm: `configVersion = 1` (using isolated installs in workspaces)
+- From npm or yarn: `configVersion = 0` (using hoisted installs)
You can override the default behavior by explicitly specifying the `--linker` flag or setting it in your configuration file.
diff --git a/docs/project/benchmarking.mdx b/docs/project/benchmarking.mdx
index 1263a06729..2ab8bcafc8 100644
--- a/docs/project/benchmarking.mdx
+++ b/docs/project/benchmarking.mdx
@@ -216,3 +216,26 @@ numa nodes: 1
elapsed: 0.068 s
process: user: 0.061 s, system: 0.014 s, faults: 0, rss: 57.4 MiB, commit: 64.0 MiB
```
+
+## CPU profiling
+
+Profile JavaScript execution to identify performance bottlenecks with the `--cpu-prof` flag.
+
+```sh terminal icon="terminal"
+bun --cpu-prof script.js
+```
+
+This generates a `.cpuprofile` file you can open in Chrome DevTools (Performance tab → Load profile) or VS Code's CPU profiler.
+
+### Options
+
+```sh terminal icon="terminal"
+bun --cpu-prof --cpu-prof-name my-profile.cpuprofile script.js
+bun --cpu-prof --cpu-prof-dir ./profiles script.js
+```
+
+| Flag | Description |
+| ---------------------------- | -------------------- |
+| `--cpu-prof` | Enable profiling |
+| `--cpu-prof-name <filename>` | Set output filename |
+| `--cpu-prof-dir <dir>` | Set output directory |
diff --git a/docs/runtime/bunfig.mdx b/docs/runtime/bunfig.mdx
index 91005c1607..5b7fe49823 100644
--- a/docs/runtime/bunfig.mdx
+++ b/docs/runtime/bunfig.mdx
@@ -497,9 +497,9 @@ print = "yarn"
### `install.linker`
-Configure the default linker strategy. Default `"hoisted"` for single-project projects, `"isolated"` for monorepo projects.
+Configure the linker strategy for installing dependencies. Defaults to `"isolated"` for new workspaces, `"hoisted"` for new single-package projects and existing projects (made pre-v1.3.2).
-For complete documentation refer to [Package manager > Isolated installs](/pm/isolated-installs).
+For complete documentation refer to [Package manager > Isolated installs](/docs/pm/isolated-installs).
```toml title="bunfig.toml" icon="settings"
[install]
diff --git a/docs/runtime/http/websockets.mdx b/docs/runtime/http/websockets.mdx
index b33f37c29f..174043200d 100644
--- a/docs/runtime/http/websockets.mdx
+++ b/docs/runtime/http/websockets.mdx
@@ -212,6 +212,9 @@ const server = Bun.serve({
// this is a group chat
// so the server re-broadcasts incoming message to everyone
server.publish("the-group-chat", `${ws.data.username}: ${message}`);
+
+ // inspect current subscriptions
+ console.log(ws.subscriptions); // ["the-group-chat"]
},
close(ws) {
const msg = `${ws.data.username} has left the chat`;
@@ -393,6 +396,7 @@ interface ServerWebSocket {
readonly data: any;
readonly readyState: number;
readonly remoteAddress: string;
+ readonly subscriptions: string[];
send(message: string | ArrayBuffer | Uint8Array, compress?: boolean): number;
close(code?: number, reason?: string): void;
subscribe(topic: string): void;
diff --git a/docs/test/lifecycle.mdx b/docs/test/lifecycle.mdx
index 6427175df6..3837f0e948 100644
--- a/docs/test/lifecycle.mdx
+++ b/docs/test/lifecycle.mdx
@@ -6,11 +6,12 @@ description: "Learn how to use beforeAll, beforeEach, afterEach, and afterAll li
The test runner supports the following lifecycle hooks. This is useful for loading test fixtures, mocking data, and configuring the test environment.
| Hook | Description |
-| ------------ | --------------------------- |
+| ---------------- | ---------------------------------------------------------- |
| `beforeAll` | Runs once before all tests. |
| `beforeEach` | Runs before each test. |
| `afterEach` | Runs after each test. |
| `afterAll` | Runs once after all tests. |
+| `onTestFinished` | Runs after a single test finishes (after all `afterEach`). |
## Per-Test Setup and Teardown
@@ -90,6 +91,23 @@ describe("test group", () => {
});
```
+### `onTestFinished`
+
+Use `onTestFinished` to run a callback after a single test completes. It runs after all `afterEach` hooks.
+
+```ts title="test.ts" icon="/icons/typescript.svg"
+import { test, onTestFinished } from "bun:test";
+
+test("cleanup after test", () => {
+ onTestFinished(() => {
+ // runs after all afterEach hooks
+ console.log("test finished");
+ });
+});
+```
+
+Not supported in concurrent tests; use `test.serial` instead.
+
## Global Setup and Teardown
To scope the hooks to an entire multi-file test run, define the hooks in a separate file.
````
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Co-authored-by: Lydia Hallie <lydiajuliettehallie@gmail.com>
## Summary
Updated all example version placeholders in documentation from 1.3.1 and
1.2.20 to 1.3.2.
## Changes
Updated version examples in:
- Installation examples (Linux/macOS and Windows install commands)
- Package manager output examples (`bun install`, `bun publish`, `bun
pm` commands)
- Test runner output examples
- Spawn/child process output examples
- Fetch User-Agent header examples in debugging docs
- `Bun.version` API example
## Notes
- Historical version references (e.g., "As of Bun v1.x.x..." or "Bun
v1.x.x+ required") were intentionally **preserved** as they document
when features were introduced
- Generic package.json version examples (non-Bun package versions) were
**preserved**
- Only example outputs and code snippets showing current Bun version
were updated
## Files Changed (13 total)
- `docs/installation.mdx`
- `docs/guides/install/from-npm-install-to-bun-install.mdx`
- `docs/guides/install/add-peer.mdx`
- `docs/bundler/html-static.mdx` (6 occurrences)
- `docs/test/dom.mdx`
- `docs/pm/cli/publish.mdx`
- `docs/pm/cli/pm.mdx`
- `docs/guides/test/snapshot.mdx` (2 occurrences)
- `docs/guides/ecosystem/nuxt.mdx`
- `docs/guides/util/version.mdx`
- `docs/runtime/debugger.mdx` (3 occurrences)
- `docs/runtime/networking/fetch.mdx`
- `docs/runtime/child-process.mdx`
**Total:** 23 version references updated
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Adds deployment guides for Bun apps on AWS Lambda, Google Cloud Run, and
DigitalOcean using a custom `Dockerfile`
---------
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## Summary
Implements `onTestFinished()` for `bun:test`, which runs after all
`afterEach` hooks have completed.
## Implementation
- Added `onTestFinished` export to the test module in `jest.zig`
- Modified `genericHook` in `bun_test.zig` to handle `onTestFinished` as
a special case that:
- Can only be called inside a test (not in describe blocks or preload)
- Appends hooks at the very end of the execution sequence
- Added comprehensive tests covering basic ordering, multiple callbacks,
async callbacks, and interaction with other hooks
## Execution Order
When called inside a test:
1. Test body executes
2. `afterAll` hooks (if added inside the test)
3. `afterEach` hooks
4. `onTestFinished` hooks ✨
## Test Plan
- ✅ All new tests pass with `bun bd test`
- ✅ Tests correctly fail with `USE_SYSTEM_BUN=1` (feature not in
released version)
- ✅ Verifies correct ordering with `afterEach`, `afterAll`, and multiple
`onTestFinished` calls
- ✅ Tests async `onTestFinished` callbacks
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Co-authored-by: pfg <pfg@pfg.pw>
When using `fs.watch()` with `recursive: true`, the callback receives a
relative path from the watched directory (e.g., `'subdir/file.txt'`),
not just a filename.
Renaming the parameter from `filename` to `relativePath` makes this
behavior immediately clear to developers.
**Before:**
```ts
(event, filename) => {
console.log(`Detected ${event} in ${filename}`);
}
```
**After:**
```ts
(event, relativePath) => {
console.log(`Detected ${event} in ${relativePath}`);
}
```
This is a documentation-only change that improves clarity without
altering any functionality.
Co-authored-by: Braden Wong <git@bradenwong.com>
## Summary
Adds a new `--only-failures` flag to `bun test` that only displays test
failures, similar to `--dots` but without printing dots for each test.
## Motivation
When running large test suites or in CI environments, users often only
care about test failures. The existing `--dots` reporter reduces
verbosity by showing dots, but still requires visual scanning to find
failures. The `--only-failures` flag provides a cleaner output by
completely suppressing passing tests.
## Changes
- Added `--only-failures` CLI flag in `Arguments.zig`
- Added `only_failures` boolean to the test reporters struct in
`cli.zig`
- Updated test output logic in `test_command.zig` to skip non-failures
when flag is set
- Updated `jest.zig` and `bun_test.zig` to handle the new flag
- Added comprehensive tests in `only-failures.test.ts`
## Usage
```bash
bun test --only-failures
```
Example output (only shows failures):
```
test/example.test.ts:
(fail) failing test
error: expect(received).toBe(expected)
Expected: 3
Received: 2
5 pass
1 skip
2 fail
Ran 8 tests across 1 file.
```
## Test Plan
- Verified `--only-failures` flag only shows failing tests
- Verified normal test output still works without the flag
- Verified `--dots` reporter still works correctly
- Added regression tests with snapshot comparisons
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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: pfg <pfg@pfg.pw>
### What does this PR do?
Fixes#23621.
Note that the quality of this code is quite low, but since Redis is
getting a rewrite, this is a stop-gap. The tests are what really matters
here.
This whole PR is claude.
### How did you verify your code works?
CI.
---------
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Bun bundler documentation duplicated the "linked" type for sourcemap.
### What does this PR do?
Fix documentation mistake.
### How did you verify your code works?
No code changes have been made.
Co-authored-by: Michael H <git@riskymh.dev>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Marko Vejnovic <marko@bun.com>
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>
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>
### 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>
## Summary
This PR continues the work from #22107 to fix the `--tolerate-republish`
flag implementation in `bun publish`.
### Changes:
- **Pre-check version existence**: Before attempting to publish with
`--tolerate-republish`, check if the version already exists on the
registry
- **Improved version checking**: Use GET request to package endpoint
instead of HEAD, then parse JSON response to check if specific version
exists
- **Correct output stream**: Output warning to stderr instead of stdout
for consistency with test expectations
- **Better error handling**: Update test to accept both 403 and 409 HTTP
error codes for duplicate publish attempts
### Test fixes:
The tests were failing because:
1. The mock registry returns 409 Conflict (not 403) for duplicate
packages
2. The warning message wasn't appearing in stderr as expected
3. The version check was using HEAD request which doesn't reliably
return version info
## Test plan
- [x] Fixed failing tests for `--tolerate-republish` functionality
- [x] Tests now properly handle both 403 and 409 error responses
- [x] Warning messages appear correctly in stderr
🤖 Generated with [Claude Code](https://claude.ai/code)
---------
Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Dylan Conway <dylan.conway567@gmail.com>
## Summary
- Documents zstd compression features introduced in Bun v1.2.14
- Adds missing API documentation for zstd utilities
## Changes
- Updated `docs/api/fetch.md` to include zstd in Accept-Encoding
examples and note automatic decompression support
- Added `Bun.zstdCompress()/zstdCompressSync()` and
`Bun.zstdDecompress()/zstdDecompressSync()` documentation to
`docs/api/utils.md`
- Documented compression levels (1-22) with concise usage examples
## Note
HTTP/2 features (`maxSendHeaderBlockLength` and `setNextStreamID`) were
not added per request to avoid updating nodejs-apis.md.
🤖 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>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
