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feat(mat-option): Add aria-selected="false" back when used with single-selection #26642

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feat(mat-option): Add aria-selected="false" back when used with single-selection#26642
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AccessibilityThis issue is related to accessibility (a11y)P3An issue that is relevant to core functions, but does not impede progress. Important, but not urgentarea: material/autocompletearea: material/corearea: material/selectfeatureThis issue represents a new feature or feature request rather than a bug or bug fix
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Description

@clamli
clamli
opened on Feb 17, 2023

Feature Description

When mat-option is used with single-selection, the unselected option does not have aira-selected="false" set. This violates WCAG Success Criteria: 4.1.2 Name, Role, Value (A) as the aria-selected attribute is a required attribute for elements with role="option".

Expected behavior

  • When mat-option is not selected, set aria-selected="false"
  • When mat-option is selected, set aria-selected="true"

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    AccessibilityThis issue is related to accessibility (a11y)P3An issue that is relevant to core functions, but does not impede progress. Important, but not urgentarea: material/autocompletearea: material/corearea: material/selectfeatureThis issue represents a new feature or feature request rather than a bug or bug fix

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