fix: not render if no data

Author: zombieJ

docs/examples/virtual.tsx

@@ -199,7 +199,8 @@ const Demo = () => {
         columns={columns}
         // expandedRowRender={({ b, c }) => b || c}
         scroll={{ x: 1200, y: scrollY ? 200 : null }}
-        data={data}
+        // data={data}
+        data={[]}
         rowKey="indexKey"
         expandable={{
           expandedRowRender: () => 2333,

src/VirtualTable/BodyGrid.tsx

@@ -89,6 +89,11 @@ const Grid = React.forwardRef<GridRef, GridProps>((props, ref) => {
   const extraRender: ListProps<any>['extraRender'] = info => {
     const { start, end, getSize, offsetY } = info;
 
+    // Do nothing if no data
+    if (end < 0) {
+      return null;
+    }
+
     // Find first rowSpan column
     let firstRowSpanColumns = flattenColumns.filter(
       // rowSpan is 0

src/VirtualTable/BodyLine.tsx

@@ -46,9 +46,6 @@ const BodyLine = React.forwardRef<HTMLDivElement, BodyLineProps>((props, ref) =>
     if (fixColumn) {
       additionalProps = {
         style: {
-          position: 'sticky',
-          left: 0,
-          overflow: 'hidden',
           ['--virtual-width' as any]: `${componentWidth}px`,
         },
       };