Implement all role & aria properties in RFC #47
Merged
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See cibernox/ember-power-select#293 (comment)
role=button
aria-haspopup=true
tells AT to treat the trigger as a host for conditional contentaria-expanded=true/false
tells AT that conditional content is expandedaria-pressed=true/false
tells AT that thebutton
is in a pressed or 'true' state (technically different from whether the conditional content is expanded, but in practice usually the same).aria-controls=<id of dropdown>
is all we need since there is no requirement that the trigger element own or have a direct DOM relationship to the dropdown