fix: Improve charts performance when fit-height is used

src/area-chart/model/use-chart-model.ts

@@ -1,7 +1,7 @@
 // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 import { AreaChartProps } from '../interfaces';
-import React, { useEffect, useMemo, useRef, RefObject, MouseEvent, useState } from 'react';
+import React, { useEffect, useMemo, useRef, RefObject, MouseEvent } from 'react';
 import { findClosest, circleIndex } from './utils';
 
 import { nodeContains } from '../../internal/utils/dom';
@@ -15,7 +15,7 @@ import { ChartModel } from './index';
 import { ChartPlotRef } from '../../internal/components/chart-plot';
 import { throttle } from '../../internal/utils/throttle';
 import { useReaction } from '../async-store';
-import { useResizeObserver } from '../../internal/hooks/container-queries';
+import { useHeightMeasure } from '../../internal/hooks/container-queries/use-height-measure';
 
 const MAX_HOVER_MARGIN = 6;
 const SVG_HOVER_THROTTLE = 25;
@@ -59,12 +59,8 @@ export default function useChartModel<T extends AreaChartProps.DataTypes>({
   const verticalMarkerRef = useRef<SVGLineElement>(null);
 
   const plotMeasureRef = useRef<SVGLineElement>(null);
-  const [measuredHeight, setHeight] = useState(0);
-  useResizeObserver(
-    () => plotMeasureRef.current,
-    entry => fitHeight && setHeight(entry.borderBoxHeight)
-  );
-  const height = fitHeight ? measuredHeight : explicitHeight;
+  const hasVisibleSeries = series.length > 0;
+  const height = useHeightMeasure(() => plotMeasureRef.current, !fitHeight, [hasVisibleSeries]) ?? explicitHeight;
 
   const stableSetVisibleSeries = useStableEventHandler(setVisibleSeries);
 

src/internal/hooks/container-queries/use-height-measure.ts

@@ -0,0 +1,20 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+import { useCallback, useState } from 'react';
+import { useResizeObserver } from './use-resize-observer';
+
+/**
+ * Conditional resize observer for border box height used in charts.
+ */
+export function useHeightMeasure(
+  getMeasure: () => null | HTMLElement | SVGElement,
+  skip = false,
+  deps: React.DependencyList = []
+) {
+  const [measuredHeight, setHeight] = useState(0);
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  const stableGetMeasure = useCallback(getMeasure, deps);
+  useResizeObserver(stableGetMeasure, entry => !skip && setHeight(entry.borderBoxHeight));
+  return !skip ? measuredHeight : undefined;
+}

src/mixed-line-bar-chart/chart-container.tsx

@@ -33,7 +33,7 @@ import useContainerWidth from '../internal/utils/use-container-width';
 import { useMergeRefs } from '../internal/hooks/use-merge-refs';
 import { nodeBelongs } from '../internal/utils/node-belongs';
 import { CartesianChartContainer } from '../internal/components/cartesian-chart/chart-container';
-import { useResizeObserver } from '../internal/hooks/container-queries';
+import { useHeightMeasure } from '../internal/hooks/container-queries/use-height-measure';
 
 const LEFT_LABELS_MARGIN = 16;
 const BOTTOM_LABELS_OFFSET = 12;
@@ -122,12 +122,8 @@ export default function ChartContainer<T extends ChartDataTypes>({
   const popoverRef = useRef<HTMLElement | null>(null);
 
   const plotMeasureRef = useRef<SVGLineElement>(null);
-  const [measuredHeight, setHeight] = useState(0);
-  useResizeObserver(
-    () => plotMeasureRef.current,
-    entry => fitHeight && setHeight(entry.borderBoxHeight)
-  );
-  const plotHeight = fitHeight ? measuredHeight : explicitPlotHeight;
+  const measuredHeight = useHeightMeasure(() => plotMeasureRef.current, !fitHeight || !bottomLabelsHeight);
+  const plotHeight = fitHeight ? (bottomLabelsHeight ? measuredHeight ?? 0 : 0) : explicitPlotHeight;
 
   const isRefresh = useVisualRefresh();
 

src/pie-chart/pie-chart.tsx

@@ -20,8 +20,8 @@ import { SomeRequired } from '../internal/types';
 import { useInternalI18n } from '../internal/i18n/context';
 import { nodeBelongs } from '../internal/utils/node-belongs';
 import clsx from 'clsx';
-import { useResizeObserver } from '../internal/hooks/container-queries';
 import { useVisualRefresh } from '../internal/hooks/use-visual-mode';
+import { useHeightMeasure } from '../internal/hooks/container-queries/use-height-measure';
 
 export interface InternalChartDatum<T> {
   index: number;
@@ -90,12 +90,7 @@ export default <T extends PieChartProps.Datum>({
   const hasLabels = !(hideTitles && hideDescriptions);
   const isRefresh = useVisualRefresh();
 
-  const [measuredHeight, setHeight] = useState(0);
-  useResizeObserver(
-    () => plotRef.current?.svg ?? null,
-    entry => fitHeight && setHeight(entry.borderBoxHeight)
-  );
-  const height = fitHeight ? measuredHeight : explicitHeight;
+  const height = useHeightMeasure(() => plotRef.current?.svg ?? null, !fitHeight) ?? explicitHeight;
 
   const dimensions = useMemo(
     () =>