From 9043728aeb4a03c2fc210d3ee9c47d25739b0f98 Mon Sep 17 00:00:00 2001
From: Sergey Linnik <linniksa@gmail.com>
Date: Sat, 23 May 2020 09:51:05 +0300
Subject: [PATCH] add key for rendering items

it will increase speed of VNode-Dom comparison and patch
for example for list of images when new slots added to the list only these images will requested (at this moment all 30 will be requested)
---
 src/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/index.js b/src/index.js
index 540a995..1cc4b61 100644
--- a/src/index.js
+++ b/src/index.js
@@ -269,6 +269,7 @@ const VirtualList = Vue.component('virtual-list', {
         if (dataSource) {
           if (Object.prototype.hasOwnProperty.call(dataSource, dataKey)) {
             slots.push(h(Item, {
+              key: dataSource[dataKey],
               props: {
                 index,
                 tag: itemTag,