Add get util fn

src/components/Carousel/Carousel.svelte

@@ -11,6 +11,7 @@
     removeResizeEventListener
   } from '../../utils/event'
   import { getAdjacentIndexes } from '../../utils/page'
+  import { get } from '../../utils/object'
 
   const dispatch = createEventDispatcher()
 

src/utils/object.js

@@ -0,0 +1,3 @@
+export const get = (object, field, defaultValue) => {
+  return object && object.hasOwnProperty(field) ? options[field] : defaultValue
+}