fix(material/radio): required attribute being set on buttons #31163
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fixes when `MatRadioGroup` is set to be required it was setting all of its `MatRadioButton` to be required as-well which is confusing for assistive technologies, this commit ensures we only set aria-required on group rather than all buttons unless button is being used standalone of `MatRadioGroup` fixes angular#30399
andrewseguin
requested review from
adolgachev and
crisbeto
and removed request for
a team
mmalerba
reviewed
May 21, 2025
| // we never want to set required attribute on input when we have MatRadioGroup as we will set | ||
| // aria-required directly on MatRadioGroup if its required as setting on all MatRadioButton for | ||
| // it's MatRadioGroup would be confusing for assistive technology. | ||
| if (this.radioGroup) return null; |
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Why is this null instead of false, but when we're setting it according to this.required we don't do || null? Is there a difference between aria-required="false" and just not having the attribute?
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fixes when
MatRadioGroupis set to be required it was setting all of itsMatRadioButtonto be required as-well which is confusing for assistive technologies, this commit ensures we only set aria-required on group rather than all buttons unless button is being used standalone ofMatRadioGroupfixes #30399