Bug Fix: Error occurred when "destroy" is true and "arrows" is false(#17).

dist/js/splide.esm.js

@@ -5187,7 +5187,7 @@ var TAB_INDEX = 'tabindex';
      * Destroy.
      */
     destroy: function destroy() {
-      var arrows = Components.Arrows.arrows;
+      var arrows = Components.Arrows ? Components.Arrows.arrows : {};
       removeAttribute(Elements.slides.concat([arrows.prev, arrows.next, Elements.play, Elements.pause]), [ARIA_HIDDEN, TAB_INDEX, ARIA_CONTROLS, ARIA_LABEL, ARIA_CURRENRT, 'role']);
     }
   };

dist/js/splide.js

@@ -5177,7 +5177,7 @@ var TAB_INDEX = 'tabindex';
      * Destroy.
      */
     destroy: function destroy() {
-      var arrows = Components.Arrows.arrows;
+      var arrows = Components.Arrows ? Components.Arrows.arrows : {};
       removeAttribute(Elements.slides.concat([arrows.prev, arrows.next, Elements.play, Elements.pause]), [ARIA_HIDDEN, TAB_INDEX, ARIA_CONTROLS, ARIA_LABEL, ARIA_CURRENRT, 'role']);
     }
   };

src/js/components/a11y/index.js

@@ -72,7 +72,7 @@ export default ( Splide, Components ) => {
 		 * Destroy.
 		 */
 		destroy() {
-			const arrows = Components.Arrows.arrows;
+			const arrows = Components.Arrows ? Components.Arrows.arrows : {};
 
 			removeAttribute(
 				Elements.slides.concat( [ arrows.prev, arrows.next, Elements.play, Elements.pause ] ),