fix: ButtonGroup drops injected aria-checked/role via overrides.BaseButton - #5412
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…seButton ButtonGroup spread `...child.props.overrides` after its own injected `overrides.BaseButton`, so a child that also set `overrides.BaseButton` (even for unrelated props like `style`) replaced the whole object and silently dropped the `aria-checked`/`role` ButtonGroup relies on for radio/checkbox semantics. Merge the child's BaseButton override on top of the injected one instead of replacing it wholesale.
Regression test for radio-mode ButtonGroup children that also pass overrides.BaseButton (e.g. for style) — aria-checked and role must still be set correctly.
zigzagdev
requested review from
DianaSuvorova,
dyesin,
hualf1995 and
lijim
as code owners
September 6, 2026 08:19
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Fixes #1, Fixes #2Description
ButtonGroupinjectsaria-checked/roleonto each child viaoverrides.BaseButton, then spread...child.props.overridesafter it.If a child button also set
overrides.BaseButton(even just for an unrelated prop likestyle), the shallow spread replaced the wholeBaseButtonoverride object and silently dropped the injectedaria-checked/role, breaking radio/checkbox a11y semantics.Now, the child's
overrides.BaseButtonis merged on top of the injected one instead of replacing it wholesale, soaria checked/rolesurvive unless the child explicitly overrides them.Scope
Patch: Bug Fix