chore(deps): update dependency tsdown to v0.22.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
tsdown (source)	0.21.0 → 0.22.1

---

Release Notes

rolldown/tsdown (tsdown)

v0.22.1

Compare Source

   🚀 Features

• dts: Add deps.dts option to override dependency bundling for declaration files  -  by @​sxzz (881bf)

   🐞 Bug Fixes

• Improve error handling for unsupported TypeScript syntax on Node.js  -  by @​sxzz (b93db)
• Add extra space for emoji rendering in Windows Terminal  -  by @​sxzz (925cc)
• unbundle: Add shims support for unbundled builds  -  by @​sxzz (fc991)

    View changes on GitHub

v0.22.0

Compare Source

   🚨 Breaking Changes

• Drop Node.js < 22.18.0 support, make unrun optional, add tsx config loader  -  by @​sxzz (a1042)
• dts: Auto-enable dts when tsconfig declaration is true  -  by @​sxzz in #​872 (085f0)
• publint: Use pkg from publint results, require publint v0.3.8+  -  by @​sxzz (413bb)

   🚀 Features

• Upgrade rolldown to 1.0.0-rc.18  -  by @​sxzz (66085)
• Upgrade rolldown to v1.0.0  -  by @​sxzz (fabba)
• exports: Auto-enable bin detection by default  -  by @​sxzz in #​873 (abda9)

   🐞 Bug Fixes

• Explicitly drop node 23 support  -  by @​sxzz (85e65)
• debug: Enhance debug logging for pack tarball  -  by @​sxzz and Copilot (5de04)
• exports: Detect types fields nested in conditional exports  -  by @​sxzz (82fa1)
• pkg: Fix duplicate configuration warning logic  -  by @​ho991217 and @​sxzz in #​935 (6a0d9)

🔄 Migration Guide

Node.js version

Upgrade to Node.js 22.18.0 or later. Bun and Deno remain supported (experimental).

unrun is no longer bundled

If your environment relies on the unrun config loader (i.e. you're on a Node version without native TypeScript support and use the default auto loader), install it manually:

npm i -D unrun

# or, alternatively, the new tsx loader:
npm i -D tsx

If you use Node.js 22.18.0+ with native TypeScript support, no change is needed — the auto loader will pick native.

dts auto-enabled from tsconfig

If your tsconfig.json has compilerOptions.declaration: true but you do not want tsdown to emit .d.ts files, opt out explicitly:

// tsdown.config.ts
export default defineConfig({
  dts: false,
})

exports.bin auto-detection

Any entry chunk containing a shebang (e.g. #!/usr/bin/env node) now causes tsdown to write a bin field in package.json automatically. The semantics differ slightly from explicit bin: true:

Value	Single shebang	Multiple shebangs	No shebangs
(unset)	Auto-set bin	Warn, skip	Silent
true	Auto-set bin	Throw	Warn
false	No bin	No bin	No bin

To opt out entirely:

export default defineConfig({
  exports: { bin: false },
})

Links

• tsdown Documentation
• v0.22.0-beta.1 Release
• v0.22.0-beta.2 Release
• v0.22.0-beta.3 Release
• Full diff from v0.21.10

v0.21.10

Compare Source

   🚀 Features

• Upgrade rolldown  -  by @​sxzz (8a449)

    View changes on GitHub

v0.21.9

Compare Source

   🚀 Features

• Upgrade rolldown  -  by @​sxzz (2d74e)
• config: Track transitive config dependencies for watch reload  -  by @​sxzz in #​919 (16e27)
• exports: Add bin to publishConfig when devExports is enabled  -  by @​sxzz in #​911 (60592)
• plugin: Add tsdownConfig and tsdownConfigResolved plugin hooks  -  by @​sxzz in #​918 (665e5)

   🐞 Bug Fixes

• Skip package.json writting when content is deeply equal  -  by @​ocavue and @​sxzz in #​913 (d8e1c)
• Skip Node.js version check in Bun  -  by @​sxzz (38afd)
• css: Detect css modules from full id for vue virtual sfc styles  -  by @​sxzz in #​917 (e6021)

    View changes on GitHub

v0.21.8

Compare Source

   🚀 Features

• Upgrade rolldown  -  by @​sxzz (7f887)
• attw: Improve ignoreRules type to autocomplete known values  -  by @​mrlubos in #​892 (c8f5c)
• create-tsdown: Add Vite Plus template option  -  by @​sxzz (daed0)
• exports: Add extensions option for subpath export keys  -  by @​SinhSinhAn and @​sxzz in #​899 (1bb7a)
• target: Add support for baseline-widely-available target  -  by @​sxzz in #​896 (d6a16)

   🐞 Bug Fixes

• Export type only for cjs dts re-export  -  by @​sxzz (25510)
• Exclude shim file from bundled dependency hint  -  by @​sxzz in #​909 (3f8de)
• dts: Skip cjs dts reexport for non-entry chunks  -  by @​sxzz (5fee2)

    View changes on GitHub

v0.21.7

Compare Source

   🚀 Features

• Add module option for attw and publint to allow passing imported modules directly  -  by @​sxzz (31e90)

   🐞 Bug Fixes

• deps: Add skipNodeModulesBundle dep subpath e2e tests and fix docs  -  by @​sxzz (deff7)

    View changes on GitHub

v0.21.6

Compare Source

   🚀 Features

• Upgrade rolldown to v1.0.0-rc.12  -  by @​sxzz (51292)
• config:
  • Pass root config to workspace config functions  -  by @​sxzz (76169)
  • Use mergeConfig for workspace config merging and support variadic overrides  -  by @​sxzz (148aa)
• dts:
  • Add cjsReexport option to eliminate dual module type hazard  -  by @​mandarini and @​sxzz in #​856 (875c1)
• exports:
  • Add bin option to auto-generate package.json bin field  -  by @​sxzz in #​869 (7ebd6)

   🐞 Bug Fixes

• css:
  • Compile preprocessor langs in virtual CSS modules  -  by @​sxzz in #​865 (7b2e0)
  • Strip .module from CSS output filenames  -  by @​sxzz in #​866 (03ade)
  • Default splitting to true in unbundle mode for CSS inject  -  by @​sxzz in #​867 (a4da6)
  • Split CSS plugin into pre/post phases for scoped CSS support  -  by @​sxzz in #​870 (ff0c4)
• entry:
  • Correctly output relative paths in logger output  -  by @​sxzz (00050)

    View changes on GitHub

v0.21.5

Compare Source

   🚀 Features

• Update rolldown to 1.0.0-rc.10  -  by @​wChenonly in #​845 (41411)
• Support typescript v6  -  by @​ocavue in #​858 (bffc4)

   🐞 Bug Fixes

• css:
  • Run final minification on merged CSS output  -  by @​sxzz in #​853 (475df)
  • Don't override internal importer  -  by @​Laupetin in #​860 (af40e)
  • Use aliased exports for CSS module keys  -  by @​wChenonly and @​sxzz in #​840 (bb6de)
• deps:
  • External optionalDependencies by default  -  by @​sxzz (cd24d)
  • Resolve subpath extensions for packages without exports field  -  by @​sxzz in #​863 (c5150)
  • Correctly resolve root @types packages for dts deep imports  -  by @​brc-dd and @​sxzz in #​852 (0b276)

    View changes on GitHub

v0.21.4

Compare Source

   🚀 Features

• css: Add CSS modules support  -  by @​sxzz in #​834 (2a88a)

   🐞 Bug Fixes

• exports: Preserve CRLF line endings in package.json  -  by @​sxzz (a4d4e)

    View changes on GitHub

v0.21.3

Compare Source

   🚀 Features

• copy: Add support for watching copy source files  -  by @​schplitt in #​721 (7c23a)

   🐞 Bug Fixes

• css: Watch inline CSS files in watch mode  -  by @​sxzz (2051a)
• exports: Sort inlined dependencies by package name  -  by @​sxzz (0ec71)
• publint: Support Yarn v1  -  by @​sxzz (4a291)
• unbundle: Root should be lowest common ancestor of entry files  -  by @​sxzz (f1823)

    View changes on GitHub

v0.21.2

Compare Source

   🚨 Breaking Changes

• exe: Add exe.outDir for separate executable output dir, defaults to build  -  by @​sxzz (d49ef)

Note: Executable is still an experimental feature and does not follow SemVer. Breaking changes may occur in any release.

   🚀 Features

• Add root option for controlling output directory structure  -  by @​sxzz (bad2d)
• deps: Rename onlyAllowBundle to onlyBundle  -  by @​peaklabs-dev and @​sxzz in #​819 (cbd7b)

   🐞 Bug Fixes

• css: Skip data URIs and external URLs in CSS url() rebasing  -  by @​sxzz (13907)

    View changes on GitHub

v0.21.1

Compare Source

   🚨 Breaking Changes

• css: Move all CSS support to @tsdown/css package  -  by @​sxzz in #​809 (1b1a1)

[!IMPORTANT]
If you are using CSS features (e.g., CSS imports), you now need to manually install the @tsdown/css package:

npm install @​tsdown/css -D
# or
pnpm add @​tsdown/css -D

Note: CSS support is still an experimental feature and does not follow SemVer. Breaking changes may occur in any release.

   🚀 Features

• css:
  • Add css.inject option to preserve CSS imports in JS output  -  by @​sxzz and Claude Haiku 4.5 in #​808 (ad745)
  • Support ?inline query for CSS imports  -  by @​sxzz in #​810 (b7379)
  • Support node_modules package resolution  -  by @​sxzz and Claude Haiku 4.5 in #​812 (b06b4)

   🐞 Bug Fixes

• Generate correct filename for sass files when dts is enabled  -  by @​ocavue in #​802 (848a7)
• css:
  • Handle virtual module IDs from framework plugins  -  by @​sxzz (c421f)
  • Ignore css imports with URL query  -  by @​ocavue and @​sxzz in #​806 (c1d23)

    View changes on GitHub

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