tangbc · tangbc · Feb 17, 2020 · Feb 17, 2020 · vkhikhlov · Feb 19, 2020
diff --git a/demos/item-mode/build.js b/demos/item-mode/build.js
diff --git a/demos/page-mode/build.js b/demos/page-mode/build.js
diff --git a/demos/scroll-element/build.js b/demos/scroll-element/build.js
diff --git a/demos/table-mode/build.js b/demos/table-mode/build.js
diff --git a/demos/variable-height/build.js b/demos/variable-height/build.js
diff --git a/demos/vfor-mode/build.js b/demos/vfor-mode/build.js
diff --git a/dist/index.js b/dist/index.js
@@ -327,7 +327,7 @@ function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterat
       },
       // return the right zone info based on `start/index`.
       getZone: function getZone(index) {
-        var start;
+        var start, end;
         var delta = this.delta;
         index = parseInt(index, 10);
         index = Math.max(0, index);
@@ -340,8 +340,14 @@ function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterat
           start = index;
         }
 
+        end = start + delta.keeps - 1;
+
+        if (end > delta.total) {
+          end = delta.total - 1;
+        }
+
         return {
-          end: start + delta.keeps - 1,
+          end: end,
           start: start,
           isLast: isLast
         };

diff --git a/package-lock.json b/package-lock.json
diff --git a/src/index.js b/src/index.js
@@ -332,7 +332,7 @@
 
       // return the right zone info based on `start/index`.
       getZone (index) {
-        let start
+        let start, end
         const delta = this.delta
 
         index = parseInt(index, 10)
@@ -346,9 +346,13 @@
         } else {
           start = index
         }
+        end = start + delta.keeps - 1
+        if (end > delta.total) {
+          end = delta.total - 1
+        }
 
         return {
-          end: start + delta.keeps - 1,
+          end,
           start,
           isLast
         }