carbon-components-svelte/src/components/Select/SelectItem.svelte

<script>
  let className = undefined;
  export { className as class };
  export let disabled = false;
  export let hidden = false;
  export let style = undefined;
  export let text = '';
  export let value = '';

  import { getContext } from 'svelte';
  import { cx } from '../../lib';

  const ctx = getContext('Select') || getContext('TimePickerSelect');

  let selected = false;

  ctx.selectedValue.subscribe(currentValue => {
    selected = currentValue === value;
  });
</script>

<option class={cx('--select-option', className)} {value} {disabled} {hidden} {style} {selected}>
  {text || value}
</option>