Upgrade jsdom to version 15.2.0

[depfu]

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 (^14.0.0 → ^15.2.0) · Repo · Changelog

Release Notes

15.2.0

• Added basic style inheritance in getComputedStyle() for the 'visibility' property. This sets the foundation for further work on inheritance, cascading, and specificity. (eps1lon)
• Added shadowRoot.activeElement.
• Added readystatechange events during document loading.
• Added a stub for form.requestSubmit(), to match our existing stub for form.submit().
• Changed el.tabIndex's default value, when no tabindex="" attribute was set, to reflect the updated specification.
• Changed the exception thrown by el.attachShadow() on something that's already a shadow host, to reflect the updated specification.
• Fixed the validation logic for <input type="range">.
• Fixed selectEl.value when no <option> is selected to return the empty string, instead of the value of the first option. (tgohn)
• Fixed various correctness issues with new FormData(formElement). (brendo)
• Fixed error messages when parsing XML to include the filename, instead of using "undefined". (papandreou)
• Fixed the logic for reflected properties to not be affected by overwriting of el.getAttributeNS() or el.setAttributeNS().
• Set canvas as an optional peerDependency, which apparently helps with Yarn PnP support.

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

Commits

See the full diff on Github. The new version differs by 20 commits:

• Version 15.2.0
• Update dev dependencies
• Add inheritance for getComputedStyle() and visibility
• Add test for querySelector with *= and i
• Update Travis setup
• Update dependencies
• Roll Web Platform Tests
• Fix DOMException type for attachShadow
• Poll for WebSockets server in WPTs
• Update <input> logic to use allowed value step
• Create stub for form.requestSubmit
• Fix default value for tabIndex IDL attribute
• Implement DocumentOrShadowRoot
• Fire readystatechange on the document
• Fix <select>'s value getter when selectedIndex is -1
• Fix some issues with FormData construction from forms
• Update dependencies
• Add Tidelift link to README (#2643)
• Include the URL of the XML document in error messages
• Add canvas as an optional peer dependency

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[coveralls]

Pull Request Test Coverage Report for Build 1219

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.604%

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Totals
Change from base Build 1217:	0.0%
Covered Lines:	675
Relevant Lines:	704

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💛 - Coveralls