@mui/x-charts/esm/BarChart/seriesConfig/bar/tooltipPosition.js

The community edition of MUI X Charts components.

import { getBarDimensions } from "../../../internals/getBarDimensions.js";
const tooltipItemPositionGetter = params => {
  const {
    series,
    identifier,
    axesConfig,
    placement
  } = params;
  if (!identifier || identifier.dataIndex === undefined) {
    return null;
  }
  const itemSeries = series.bar?.series[identifier.seriesId];
  if (series.bar == null || itemSeries == null) {
    return null;
  }
  if (axesConfig.x === undefined || axesConfig.y === undefined) {
    return null;
  }
  const dimensions = getBarDimensions({
    verticalLayout: itemSeries.layout === 'vertical',
    xAxisConfig: axesConfig.x,
    yAxisConfig: axesConfig.y,
    series: itemSeries,
    dataIndex: identifier.dataIndex,
    numberOfGroups: series.bar.stackingGroups.length,
    groupIndex: series.bar.stackingGroups.findIndex(group => group.ids.includes(itemSeries.id))
  });
  if (dimensions == null) {
    return null;
  }
  const {
    x,
    y,
    width,
    height
  } = dimensions;
  switch (placement) {
    case 'right':
      return {
        x: x + width,
        y: y + height / 2
      };
    case 'bottom':
      return {
        x: x + width / 2,
        y: y + height
      };
    case 'left':
      return {
        x,
        y: y + height / 2
      };
    case 'top':
    default:
      return {
        x: x + width / 2,
        y
      };
  }
};
export default tooltipItemPositionGetter;