app/templates/components/my-select.hbs
<select class="form-control {{selectClass}}" {{action 'change' on='change'}}>
{{#if prompt}}
<option value="" disabled selected={{is-not selected}}>
{{prompt}}
</option>
{{/if}}
{{#each options key="@identity" as |item|}}
<option
value="{{read-path item optionValuePath}}"
selected={{is-equal (read-path item optionValuePath) (read-path selected optionValuePath)}}>
{{read-path item optionLabelPath}}
</option>
{{/each}}
</select>