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Bump jsdom from 28.1.0 to 29.0.0 in /client#2988

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Bump jsdom from 28.1.0 to 29.0.0 in /client#2988
dependabot[bot] wants to merge 1 commit intomainfrom
dependabot-npm_and_yarn-client-jsdom-29.0.0

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@dependabot dependabot bot commented on behalf of github Mar 16, 2026

Bumps jsdom from 28.1.0 to 29.0.0.

Release notes

Sourced from jsdom's releases.

v29.0.0

Breaking changes:

  • Node.js v22.13.0+ is now the minimum supported v22 version (was v22.12.0+).

Other changes:

  • Overhauled the CSSOM implementation, replacing the @acemir/cssom and cssstyle dependencies with fresh internal implementations built on webidl2js wrappers and the css-tree parser. Serialization, parsing, and API behavior is improved in various ways, especially around edge cases.
  • Added CSSCounterStyleRule and CSSNamespaceRule to jsdom Windows.
  • Added cssMediaRule.matches and cssSupportsRule.matches getters.
  • Added proper media query parsing in MediaList, using css-tree instead of naive comma-splitting. Invalid queries become "not all" per spec.
  • Added cssKeyframeRule.keyText getter/setter validation.
  • Added cssStyleRule.selectorText setter validation: invalid selectors are now rejected.
  • Added styleSheet.ownerNode, styleSheet.href, and styleSheet.title.
  • Added bad port blocking per the fetch specification, preventing fetches to commonly-abused ports.
  • Improved Document initialization performance by lazily initializing the CSS selector engine, avoiding ~0.5 ms of overhead per Document. (@​thypon)
  • Fixed a memory leak when stylesheets were removed from the document.
  • Fixed CSSStyleDeclaration modifications to properly trigger custom element reactions.
  • Fixed nested @media rule parsing.
  • Fixed CSSStyleSheet's "disallow modification" flag not being checked in all mutation methods.
  • Fixed XMLHttpRequest's response getter returning parsed JSON during the LOADING state instead of null.
  • Fixed getComputedStyle() crashing in XHTML documents when stylesheets contained at-rules such as @page or @font-face.
  • Fixed a potential hang in synchronous XMLHttpRequest caused by a race condition with the worker thread's idle timeout.
Changelog

Sourced from jsdom's changelog.

29.0.0

Breaking changes:

  • Node.js v22.13.0+ is now the minimum supported v22 version (was v22.12.0+).

Other changes:

  • Overhauled the CSSOM implementation, replacing the @acemir/cssom and cssstyle dependencies with fresh internal implementations built on webidl2js wrappers and the css-tree parser. Serialization, parsing, and API behavior is improved in various ways, especially around edge cases.
  • Added CSSCounterStyleRule and CSSNamespaceRule to jsdom Windows.
  • Added cssMediaRule.matches and cssSupportsRule.matches getters.
  • Added proper media query parsing in MediaList, using css-tree instead of naive comma-splitting. Invalid queries become "not all" per spec.
  • Added cssKeyframeRule.keyText getter/setter validation.
  • Added cssStyleRule.selectorText setter validation: invalid selectors are now rejected.
  • Added styleSheet.ownerNode, styleSheet.href, and styleSheet.title.
  • Added bad port blocking per the fetch specification, preventing fetches to commonly-abused ports.
  • Improved Document initialization performance by lazily initializing the CSS selector engine, avoiding ~0.5 ms of overhead per Document. (thypon)
  • Fixed a memory leak when stylesheets were removed from the document.
  • Fixed CSSStyleDeclaration modifications to properly trigger custom element reactions.
  • Fixed nested @media rule parsing.
  • Fixed CSSStyleSheet's "disallow modification" flag not being checked in all mutation methods.
  • Fixed XMLHttpRequest's response getter returning parsed JSON during the LOADING state instead of null.
  • Fixed getComputedStyle() crashing in XHTML documents when stylesheets contained at-rules such as @page or @font-face.
  • Fixed a potential hang in synchronous XMLHttpRequest caused by a race condition with the worker thread's idle timeout.
Commits
  • 00522ce Version 29.0.0
  • a217975 Use undici's request() API for XHR dispatching
  • f29722d Convert CSSStyleDeclaration to webidl2js
  • 4aaacc6 Merge in cssstyle and replace @acemir/cssom
  • 6c2769a Remove unused http(s)-proxy-agent dependencies
  • eba96b5 Update domSelector
  • 54f9995 Use --fgrep for npm run test:tuwpt:browser
  • 15e7664 Use stable ports for test:tuwpt:browser
  • 7410bdb Suppress informational WPT output when using the min reporter
  • c44377e Lazily initialize DOMSelector
  • Additional commits viewable in compare view
Install script changes

This version modifies prepare script that runs during installation. Review the package contents before updating.


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Bumps [jsdom](https://github.com/jsdom/jsdom) from 28.1.0 to 29.0.0.
- [Release notes](https://github.com/jsdom/jsdom/releases)
- [Changelog](https://github.com/jsdom/jsdom/blob/v29.0.0/Changelog.md)
- [Commits](jsdom/jsdom@v28.1.0...v29.0.0)

---
updated-dependencies:
- dependency-name: jsdom
  dependency-version: 29.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Mar 16, 2026
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codecov bot commented Mar 16, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.91%. Comparing base (5289352) to head (a9a1313).
⚠️ Report is 15 commits behind head on main.

Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff            @@
##               main    #2988   +/-   ##
=========================================
  Coverage     80.91%   80.91%           
  Complexity      383      383           
=========================================
  Files            58       58           
  Lines          2546     2546           
  Branches        604      604           
=========================================
  Hits           2060     2060           
  Misses          305      305           
  Partials        181      181           
🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

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dependabot bot commented on behalf of github Mar 19, 2026

Looks like jsdom is up-to-date now, so this is no longer needed.

@dependabot dependabot bot closed this Mar 19, 2026
@dependabot dependabot bot deleted the dependabot-npm_and_yarn-client-jsdom-29.0.0 branch March 19, 2026 17:41
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