refactor: update/fix JSDoc props

src/Button/ButtonSkeleton.svelte

@@ -0,0 +1,47 @@
+<script>
+  /**
+   * Set the `href` to use an anchor link
+   * @type {string}
+   */
+  export let href = undefined;
+
+  /**
+   * Specify the size of button skeleton
+   * @type {"default" | "field" | "small"}
+   */
+  export let size = "default";
+
+  /** Set to `true` to use the small variant */
+  export let small = false;
+</script>
+
+{#if href}
+  <a
+    href="{href}"
+    rel="{$$restProps.target === '_blank' ? 'noopener noreferrer' : undefined}"
+    role="button"
+    class:bx--skeleton="{true}"
+    class:bx--btn="{true}"
+    class:bx--btn--field="{size === 'field'}"
+    class:bx--btn--sm="{size === 'small' || small}"
+    {...$$restProps}
+    on:click
+    on:mouseover
+    on:mouseenter
+    on:mouseleave
+  >
+    {''}
+  </a>
+{:else}
+  <div
+    class:bx--skeleton="{true}"
+    class:bx--btn="{true}"
+    class:bx--btn--field="{size === 'field'}"
+    class:bx--btn--sm="{size === 'small' || small}"
+    {...$$restProps}
+    on:click
+    on:mouseover
+    on:mouseenter
+    on:mouseleave
+  ></div>
+{/if}