open-nomad/ui/app/templates/components/stepper-input.hbs

<label class="stepper-input-label">{{yield}}</label>
<input
  type="number"
  min={{min}}
  max={{max}}
  value={{internalValue}}
  class="stepper-input-input"
  onKeyDown={{action "resetTextInput"}}
  onChange={{action "setValue"}}>
<button
  role="button"
  class="stepper-input-stepper button {{class}}"
  disabled={{lte internalValue min}}
  onclick={{action "decrement"}}>
  {{x-icon "minus-plain"}}
</button>
<button
  role="button"
  class="stepper-input-stepper button {{class}}"
  disabled={{gte internalValue max}}
  onclick={{action "increment"}}>
  {{x-icon "plus-plain"}}
</button>