🐛 Fix Table fixed columns height 1px bug agaaaaaaain

close ant-design/ant-design#20495

Author: afc163

src/Table.tsx

@@ -316,8 +316,9 @@ class Table<ValueType> extends React.Component<TableProps<ValueType>, TableState
       ? this.headTable.querySelectorAll('thead')
       : this.bodyTable.querySelectorAll('thead');
     const bodyRows = this.bodyTable.querySelectorAll(`.${prefixCls}-row`) || [];
-    const fixedColumnsHeadRowsHeight = [].map.call(headRows, (row: HTMLElement) =>
-      row.getBoundingClientRect().height ? row.getBoundingClientRect().height - 0.5 : 'auto',
+    const fixedColumnsHeadRowsHeight = [].map.call(
+      headRows,
+      (row: HTMLElement) => row.getBoundingClientRect().height || 'auto',
     );
     const state = this.store.getState();
     const fixedColumnsBodyRowsHeight = [].reduce.call(

src/TableHeaderRow.tsx

@@ -34,7 +34,16 @@ function TableHeaderRow({
   const HeaderCell = components.header.cell;
   const rowProps = onHeaderRow(row.map(cell => cell.column), index);
   const customStyle = rowProps ? rowProps.style : {};
-  const style = { height, ...customStyle };
+  const style = {
+    // https://github.com/ant-design/ant-design/issues/20126
+    // https://github.com/ant-design/ant-design/issues/20269
+    // https://github.com/ant-design/ant-design/issues/20495
+    height:
+      row.length > 1 && index === 0 && height && height !== 'auto'
+        ? parseInt(height.toString(), 10)
+        : height,
+    ...customStyle,
+  };
 
   return (
     <HeaderRow {...rowProps} style={style}>