carbon-components-svelte/src/DatePicker/DatePickerSkeleton.svelte

<script>
  /** Set to `true` to use the range variant */
  export let range = false;

  /** Set an id to be used by the label element */
  export let id = "ccs-" + Math.random().toString(36);
</script>

<!-- svelte-ignore a11y-mouse-events-have-key-events -->
<!-- svelte-ignore a11y-no-static-element-interactions -->
<div
  class:bx--form-item={true}
  {...$$restProps}
  on:click
  on:mouseover
  on:mouseenter
  on:mouseleave
>
  <div
    class:bx--date-picker={true}
    class:bx--skeleton={true}
    class:bx--date-picker--range={true}
    class:bx--date-picker--short={!range}
    class:bx--date-picker--simple={!range}
  >
    {#each Array.from({ length: range ? 2 : 1 }, (_, i) => i) as input, i (input)}
      <div class:bx--date-picker-container={true}>
        <label for={id} class:bx--label={true}></label>
        <div
          class:bx--date-picker__input={true}
          class:bx--skeleton={true}
        ></div>
      </div>
    {/each}
  </div>
</div>