{{#if hasIcon}}
  {{slds-button-icon 
    sprite='utility' 
    icon=icon 
    title=text 
    class='slds-progress__marker slds-progress__marker--icon'
    clicked=clicked}}
{{else}}
  {{#slds-button class='slds-progress__marker' clicked=clicked}}
    <span class="slds-assistive-text">{{text}}</span>
  {{/slds-button}}
{{/if}}