avoiding closure problems

docs/demo/measureRowRender.md

@@ -0,0 +1,8 @@
+---
+title: measureRowRender
+nav:
+  title: measureRowRender
+  path: /demo
+---
+
+<code src="../examples/measureRowRender.tsx"></code>

src/FixedHolder/index.tsx

@@ -156,31 +156,16 @@ const FixedHolder = React.forwardRef<HTMLDivElement, FixedHeaderProps<any>>((pro
 
   const mergedColumnWidth = useColumnWidth(colWidths, columCount);
 
-  const colGroupNode = useMemo(() => {
+  const mayBeEmpty = useMemo<boolean>(() => {
     // use original ColGroup if no data or no calculated column width, otherwise use calculated column width
     // Return original colGroup if no data, or mergedColumnWidth is empty, or all widths are falsy
-    if (
+    return (
       noData ||
       !mergedColumnWidth ||
-      mergedColumnWidth.length === 0 ||
+      !mergedColumnWidth.length ||
       mergedColumnWidth.every(width => !width)
-    ) {
-      return ColGroup;
-    }
-    return (
-      <ColGroup
-        colWidths={[...mergedColumnWidth, combinationScrollBarSize]}
-        columCount={columCount + 1}
-        columns={flattenColumnsWithScrollbar}
-      />
     );
-  }, [
-    noData,
-    mergedColumnWidth,
-    combinationScrollBarSize,
-    columCount,
-    flattenColumnsWithScrollbar,
-  ]);
+  }, [noData, mergedColumnWidth]);
 
   return (
     <div
@@ -202,7 +187,13 @@ const FixedHolder = React.forwardRef<HTMLDivElement, FixedHeaderProps<any>>((pro
           width: scrollX,
         }}
       >
-        {colGroupNode}
+        {mayBeEmpty ? null : (
+          <ColGroup
+            colWidths={[...mergedColumnWidth, combinationScrollBarSize]}
+            columCount={columCount + 1}
+            columns={flattenColumnsWithScrollbar}
+          />
+        )}
         {children({
           ...restProps,
           stickyOffsets: headerStickyOffsets,

src/interface.ts

@@ -157,7 +157,7 @@ type Component<P> =
   | React.ComponentType<P>
   | React.ForwardRefExoticComponent<P>
   | React.FC<P>
-  | keyof React.ReactHTML;
+  | keyof React.JSX.IntrinsicElements;
 
 export type CustomizeComponent = Component<any>;