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support multiple old pseudo elements for same name but different source node (#56479) - #56479
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zeyap wants to merge 1 commit into
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support multiple old pseudo elements for same name but different source node (#56479)#56479zeyap wants to merge 1 commit into
zeyap wants to merge 1 commit into
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@zeyap has exported this pull request. If you are a Meta employee, you can view the originating Diff in D101237889. |
…ce node (#56479) Summary: ## Changelog: [General] [Fixed] - support multiple old pseudo elements for same name but different source node We will need to track multiple old pseudo elements for same name but different source node when doing a series of shared transitions: 1. go from component A to component B (A stays hidden with Activity but not unmounted) 2. go back to A (B unmounted) 3. hide A and show B again A will lose its old pseudo element node, because at #1, B's old pseudo element node overrides A's (since they have the same vt name), and at #2, B's old node gets cleaned up. At #3, since createViewTransitionInstance won't be called for A again (react reconciler assumes the instance is only created once until a component is unmounted), there's no valid old node for A anymore. Reviewed By: sammy-SC Differential Revision: D101237889
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Apr 17, 2026
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This pull request was successfully merged by @zeyap in 370606d When will my fix make it into a release? | How to file a pick request? |
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Summary:
Changelog:
[General] [Fixed] - support multiple old pseudo elements for same name but different source node
We will need to track multiple old pseudo elements for same name but different source node when doing a series of shared transitions:
A will lose its old pseudo element node, because at #1, B's old pseudo element node overrides A's (since they have the same vt name), and at #2, B's old node gets cleaned up. At #3, since createViewTransitionInstance won't be called for A again (react reconciler assumes the instance is only created once until a component is unmounted), there's no valid old node for A anymore.
Reviewed By: sammy-SC
Differential Revision: D101237889