Fixed end index calc error when list clear. #119

Author: tangbc

dist/index.js

@@ -319,13 +319,12 @@ function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterat
         var isLast = index <= delta.total && index >= lastStart || index > delta.total;
 
         if (isLast) {
-          end = delta.total - 1;
           start = Math.max(0, lastStart);
         } else {
           start = index;
-          end = start + delta.keeps - 1;
         }
 
+        end = start + delta.keeps - 1;
         return {
           end: end,
           start: start,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-virtual-scroll-list",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "A vue component support big amount data list with high scroll performance.",
   "main": "dist/index.js",
   "files": [

src/index.js

@@ -327,13 +327,13 @@
                 const lastStart = delta.total - delta.keeps
                 const isLast = (index <= delta.total && index >= lastStart) || (index > delta.total)
                 if (isLast) {
-                    end = delta.total - 1
                     start = Math.max(0, lastStart)
                 } else {
                     start = index
-                    end = start + delta.keeps - 1
                 }
 
+                end = start + delta.keeps - 1
+
                 return {
                     end,
                     start,