Fixed error if no items and items count less than keeps.

Author: tangbc

index.js

@@ -58,17 +58,18 @@
                 var delta = this.$options.delta
                 var overs = Math.floor(offset / this.size)
 
-                if (!offset) {
+                if (!offset && delta.total) {
                     this.$emit('toTop')
                 }
 
                 // need moving items at lease one unit height
                 // @todo: consider prolong the zone range size
                 var start = overs ? overs : 0
                 var end = overs ? (overs + delta.keeps) : delta.keeps
+                var isOverflow = delta.total - delta.keeps > 0
 
                 // avoid overflow range
-                if (overs + this.remain >= delta.total) {
+                if (isOverflow && overs + this.remain >= delta.total) {
                     end = delta.total
                     start = delta.total - delta.keeps
                     this.$emit('toBottom')
@@ -84,6 +85,11 @@
             filter: function (slots) {
                 var delta = this.$options.delta
 
+                if (!slots) {
+                    slots = []
+                    delta.start = 0
+                }
+
                 delta.total = slots.length
                 delta.paddingTop = this.size * delta.start
                 delta.allPadding = this.size * (slots.length - delta.keeps)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-virtual-scroll-list",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "A vue (2.x) component support big data and infinite loading by using virtual scroll list.",
   "main": "index.js",
   "files": [