Labeled choice data for cem-select and cem-autocomplete. The consuming control owns group semantics.
Full examples and variation matrix · Property playground · Automated stories
Default slot contains direct cem-option children. Attribute presence enables boolean options, including the text “false”. Inert payload options take effect in the consuming component shown in the gallery. Native descendants retain keyboard behavior.
{slice @name=label | Group}{cem-field @label="label" @value="{$datadom.slices.label}" @slice=label @slice-event=input @slice-value="$target.value"}
{slice @name=class | }{cem-field @label="class" @value="{$datadom.slices.class}" @slice=class @slice-event=input @slice-value="$target.value"}
{slice @name=disabled | absent}{fieldset @role=group @aria-label="disabled" @slice=disabled @slice-event=change @slice-value="$target.value" | {legend | disabled}{cem-radio @name="property-disabled" @value="absent" @label="absent" @checked={if datadom.slices.disabled == "absent" {true} else {null}}}{cem-radio @name="property-disabled" @value="present" @label="present" @checked={if datadom.slices.disabled == "present" {true} else {null}}}}
{slice @name=dir | ltr}{fieldset @role=group @aria-label="dir" @slice=dir @slice-event=change @slice-value="$target.value" | {legend | dir}{cem-radio @name="property-dir" @value="ltr" @label="ltr" @checked={if datadom.slices.dir == "ltr" {true} else {null}}}{cem-radio @name="property-dir" @value="rtl" @label="rtl" @checked={if datadom.slices.dir == "rtl" {true} else {null}}}}
{slice @name=hidden | absent}{fieldset @role=group @aria-label="hidden" @slice=hidden @slice-event=change @slice-value="$target.value" | {legend | hidden}{cem-radio @name="property-hidden" @value="absent" @label="absent" @checked={if datadom.slices.hidden == "absent" {true} else {null}}}{cem-radio @name="property-hidden" @value="present" @label="present" @checked={if datadom.slices.hidden == "present" {true} else {null}}}}
{slice @name=content | fallback}{fieldset @role=group @aria-label="content" @slice=content @slice-event=change @slice-value="$target.value" | {legend | content}{cem-radio @name="property-content" @value="fallback" @label="fallback" @checked={if datadom.slices.content == "fallback" {true} else {null}}}{cem-radio @name="property-content" @value="projected" @label="projected" @checked={if datadom.slices.content == "projected" {true} else {null}}}}
{cem-option-group @label="{$datadom.slices.label}" @class="{$datadom.slices.class}" @dir="{$datadom.slices.dir}" @disabled={if datadom.slices.disabled == "present" {true} else {null}} @hidden={if datadom.slices.hidden == "present" {true} else {null}} | {cem:if @test='datadom.slices.content == "projected"' | {cem-option @value=child | Child option}}}{cem-module-url @slice=sourceUrl @src="@epa-wg/cem-components/components/cem-option-group/cem-option-group.xhtml"}{cem:if @test="datadom.slices.sourceUrl" | {p | {a @href="{$datadom.slices.sourceUrl}" | Open canonical XHTML}}{cem-demo-element @legend="Canonical source" @src="{$datadom.slices.sourceUrl}" @type=xml @demo=false}}