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fix(ui): contain dropdown scroll geometry

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2026-08-05 18:29:19 +03:00
parent fac35cc23a
commit 07a42b8832
4 changed files with 20 additions and 2 deletions
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registry/components.json
+3 -2
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@@ -98,10 +98,11 @@
"domExports": ["createFloatingLayer"],
"domContract": ["nodedc-dropdown-surface", "nodedc-dropdown-option"],
"summary": "Shared portal/fixed floating layer for action and selection menus.",
"behavior": ["portal to document body", "viewport clamp", "vertical flip", "outside pointer close", "Escape close with trigger focus restore", "scroll and resize reposition", "offscreen trigger close", "one open dropdown per window"],
"behavior": ["portal to document body", "viewport clamp", "vertical flip", "outside pointer close", "Escape close with trigger focus restore", "scroll and resize reposition", "contained menu scroll without geometry growth", "offscreen trigger close", "one open dropdown per window"],
"rules": [
"Never render a runtime dropdown as an absolute child of a card, sticky header or scroll container.",
"Action menus and selection menus share floating behavior even when their row content differs."
"Action menus and selection menus share floating behavior even when their row content differs.",
"The portal surface uses border-box sizing and contained overscroll so repeated menu scrolling cannot grow its measured width or move the underlying application surface."
]
},
{