@mui/x-charts/esm/LineChart/FocusedLineMark.js

The community edition of MUI X Charts components.

'use client';

import { useTheme } from '@mui/material/styles';
import { useFocusedItem } from "../hooks/useFocusedItem.js";
import { useLineSeriesContext, useXAxes, useYAxes } from "../hooks/index.js";
import { jsx as _jsx } from "react/jsx-runtime";
const RADIUS = 6;
export function FocusedLineMark() {
  const theme = useTheme();
  const focusedItem = useFocusedItem();
  const lineSeries = useLineSeriesContext();
  const {
    xAxis,
    xAxisIds
  } = useXAxes();
  const {
    yAxis,
    yAxisIds
  } = useYAxes();
  if (focusedItem === null || focusedItem.type !== 'line' || !lineSeries) {
    return null;
  }
  const series = lineSeries.series[focusedItem.seriesId];
  if (series.data[focusedItem.dataIndex] == null) {
    // Handle missing data
    return null;
  }
  const xAxisId = series.xAxisId ?? xAxisIds[0];
  const yAxisId = series.yAxisId ?? yAxisIds[0];
  return /*#__PURE__*/_jsx("rect", {
    fill: "none",
    stroke: (theme.vars ?? theme).palette.text.primary,
    strokeWidth: 2,
    x: xAxis[xAxisId].scale(xAxis[xAxisId].data[focusedItem.dataIndex]) - RADIUS,
    y: yAxis[yAxisId].scale(series.visibleStackedData[focusedItem.dataIndex][1]) - RADIUS,
    width: 2 * RADIUS,
    height: 2 * RADIUS,
    rx: 3,
    ry: 3
  });
}