chore(deps): update dependency tsdown to v0.21.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
tsdown (source)	0.21.0 → 0.21.4

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Release Notes

rolldown/tsdown (tsdown)

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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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	tsdown@​0.21.0 ⏵ 0.21.4				+1

View full report

[cubic-dev-ai]

No issues found across 2 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

[renovate]

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