Add sticky header to SidebarSelectedFiberInfo#36244
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Kertsu wants to merge 1 commit intofacebook:mainfrom
Open
Add sticky header to SidebarSelectedFiberInfo#36244Kertsu wants to merge 1 commit intofacebook:mainfrom
Kertsu wants to merge 1 commit intofacebook:mainfrom
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Previously, WhatChanged and InspectedElementBadges were rendered inside the same scrollable Content div as the commit list. When a component had many render timestamps, scrolling down to pick one caused the "what changed" context to scroll out of view, requiring the user to scroll back up to see it. While the profiler already exposes render details via hover tooltips on fibers, those are transient and pointer-dependent. This change introduces a sticky StickyHeader section at the top of the Content div that holds the current-commit summary, badges, and WhatChanged. The section is collapsible (click or Enter/Space) so users can trade vertical space for the commit list when needed. The commit list now sits below the sticky header as a sibling, so it scrolls independently while the summary remains always visible.
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Summary
Previously, WhatChanged and InspectedElementBadges were rendered inside the same scrollable Content div as the commit list. When a component had many render timestamps, scrolling down to pick one caused the "what changed" context to scroll out of view, requiring the user to scroll back up to see it.
While the profiler already exposes render details via hover tooltips on fibers, those are transient and pointer-dependent. This change introduces a sticky StickyHeader section at the top of the Content div that holds the current-commit summary, badges, and WhatChanged. The section is collapsible (click or Enter/Space) so users can trade vertical space for the commit list when needed. The commit list now sits below the sticky header as a sibling, so it scrolls independently while the summary remains always visible.
Current Behavior
current-behavior.mov
Proposed UI
Apologies on this one. I had to upload it on YouTube since the video is quite big.
How did you test this change?
Manual Testing
Hover (expanded)
expanded-hover-simple.mov
Hover (collapsed)
collapsed-hover-simple.mov