Update jsdom → 23.2.0 (unknown)

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Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ jsdom (^19.0.0 → ^23.2.0) · Repo · Changelog

Release Notes

23.2.0

This release switches our CSS selector engine from nwsapi to @asamuzakjp/dom-selector. The new engine is more actively maintained, and supports many new selectors: see the package's documentation for the full list. It also works better with shadow trees.

There is a potential of a performance regression due to this change. In our stress test benchmark, which runs most of these 273 selectors against this 128 KiB document, the new engine completes the benchmark only 0.25x as fast. However, we're hopeful that in more moderate usage this will not be a significant issue. Any help speeding up @asamuzakjp/dom-selector is appreciated, and feel free to open an issue if this has had a significant impact on your project.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 6 commits:

• Version 23.2.0
• Update dom-selector and roll web platform tests
• Switch from nwsapi to dom-selector
• Add new CSS selectors benchmark
• Enable WPT directories css/selectors and css/css-scoping
• Roll web platform tests

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