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A @keyframes rule scoped to a shadow root was not reliably reached from an animated slotted light-DOM element: the keyframes lookup walked the element's own root first, then fell back to the document, but slotted elements can pick up animation-name from a ::slotted(...) rule that lives in an ancestor shadow root rather than in the element's own tree. Track the shadow-root scope that supplied each winning cascaded declaration, and use that scope to resolve the matching @keyframes when processing animation definitions. A shared constructable stylesheet can be adopted into several scopes at once, so the declaration object alone is too weak as a key; the per-entry shadow-root pointer disambiguates which adoption actually contributed. Also refresh running CSS animations' keyframe sets when style is recomputed. Previously only the first animation creation path set a keyframe set, so an existing animation never picked up newly inserted @keyframes rules.
2 lines
13 B
Plaintext
2 lines
13 B
Plaintext
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