fix(material/core): remove tabindex from mat-option #26893
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Deployed dev-app for 371f7c7 to: https://ng-dev-previews-comp--pr-angular-components-26893-q2nou38p.web.app Note: As new commits are pushed to this pull request, this link is updated after the preview is rebuilt. |
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crisbeto
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Apr 11, 2023
Remove the tabindex attribute added to MatOption components. MatOption does not need tabindex because the parent component manages focus by setting `aria-activedescendant` attribute. Previously, MatOption set tabindex but was also a referenced by aria-activedescendant. This was not the correct ARIA semantics. Align closer to ARIA spec by using only aria-activedescendant rather than both. Tabindex="-1" seems to be causing a problem in angular#26861 where VoiceOver with Firefox moves DOM focus from the combobox to the option when opening the listbox popup. Unblocks angular#26861.
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Closing in favor of #26917 |
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Remove the tabindex attribute from MatOption. MatOption will no longer set a tabindex. Tabindex is not needed since focus is managed on the parent by setting
aria-activedescendant.Tabindex="-1" seems to be causing a problem in #26861 where VoiceOver with Firefox moves DOM focus from the combobox to the option when opening the listbox popup.