support item index

Author: maggiehe

dist/vue-virtual-scroller.css

@@ -1,30 +1,30 @@
 
-.virtual-scroller[data-v-5594e8c4]:not(.page-mode) {
+.virtual-scroller[data-v-7236941d]:not(.page-mode) {
   overflow-y: auto;
 }
-.item-container[data-v-5594e8c4] {
+.item-container[data-v-7236941d] {
   box-sizing: border-box;
   width: 100%;
   overflow: hidden;
 }
-.items[data-v-5594e8c4] {
+.items[data-v-7236941d] {
   width: 100%;
 }
 
-.resize-observer[data-v-c7b3205a] {
-  position: absolute;
-  top: 0;
-  left: 0;
-  z-index: -1;
-  width: 100%;
-  height: 100%;
-  border: none;
-  background-color: transparent;
-  pointer-events: none;
-  display: block;
+.resize-observer[data-v-c7b3205a] {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: -1;
+  width: 100%;
+  height: 100%;
+  border: none;
+  background-color: transparent;
+  pointer-events: none;
+  display: block;
   overflow: hidden;
-}
+}
 
-.test h1[data-v-5ee0142a] {
+.test h1[data-v-5ee0142a] {
   color: #40b883;
-}
+}