[Improvement] Support Vue.use to register a component (#401)

packages/coupon-list/Item.vue

@@ -19,15 +19,11 @@
 </template>
 
 <script>
-import Icon from '../icon';
+import { create } from '../utils';
 
-export default {
+export default create({
   name: 'van-coupon-item',
 
-  components: {
-    Icon
-  },
-
   props: {
     data: Object,
     chosen: Boolean,
@@ -67,5 +63,5 @@ export default {
       return (amount / 100).toFixed(amount % 100 === 0 ? 0 : amount % 10 === 0 ? 1 : 2);
     }
   }
-};
+});
 </script>

packages/coupon-list/index.vue

@@ -36,6 +36,7 @@
 </template>
 
 <script>
+import { create } from '../utils';
 import Cell from '../cell';
 import CellGroup from '../cell-group';
 import CouponItem from './Item';
@@ -43,7 +44,7 @@ import Field from '../field';
 import Popup from '../popup';
 import VanButton from '../button';
 
-export default {
+export default create({
   name: 'van-coupon-list',
 
   components: {
@@ -144,5 +145,5 @@ export default {
       });
     }
   }
-};
+});
 </script>