From ba15c9a739efd7625e973e6c5b8e7fd22853b80b Mon Sep 17 00:00:00 2001
From: intellild <intellild@outlook.com>
Date: Tue, 5 Jun 2018 23:00:09 +0800
Subject: [PATCH] remove cloneDeep in Grid

---
 packages/zent/src/grid/Grid.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/zent/src/grid/Grid.js b/packages/zent/src/grid/Grid.js
index d13823f4cf..905699b5d8 100644
--- a/packages/zent/src/grid/Grid.js
+++ b/packages/zent/src/grid/Grid.js
@@ -16,7 +16,6 @@ import some from 'lodash/some';
 import map from 'lodash/map';
 import isFunction from 'lodash/isFunction';
 import filter from 'lodash/filter';
-import cloneDeep from 'lodash/cloneDeep';
 import includes from 'lodash/includes';
 import measureScrollbar from 'utils/dom/measureScrollbar';
 import WindowResizeHandler from 'utils/component/WindowResizeHandler';
@@ -266,7 +265,7 @@ class Grid extends PureComponent {
 
   getColumns = (props, columns, expandRowKeys) => {
     let { selection, datasets, expandation } = props || this.props;
-    columns = cloneDeep(columns || this.store.getState('columns'));
+    columns = (columns || this.store.getState('columns')).slice();
     expandRowKeys = expandRowKeys || this.state.expandRowKeys;
     const hasLeft = columns.some(
       column => column.fixed === 'left' || column.fixed === true
@@ -601,7 +600,7 @@ class Grid extends PureComponent {
   };
 
   handleBatchSelect = (type, data) => {
-    let selectedRowKeys = cloneDeep(this.store.getState('selectedRowKeys'));
+    let selectedRowKeys = this.store.getState('selectedRowKeys').slice();
 
     let changeRowKeys = [];