@mui/x-charts/internals/plugins/featurePlugins/useChartHighlight/highlightStates.js

The community edition of MUI X Charts components.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getSeriesHighlightedItem = getSeriesHighlightedItem;
exports.getSeriesUnfadedItem = getSeriesUnfadedItem;
exports.isSeriesFaded = isSeriesFaded;
exports.isSeriesHighlighted = isSeriesHighlighted;
function isSeriesHighlighted(scope, item, seriesId) {
  return scope?.highlight === 'series' && item?.seriesId === seriesId;
}
function isSeriesFaded(scope, item, seriesId) {
  if (isSeriesHighlighted(scope, item, seriesId)) {
    return false;
  }
  return scope?.fade === 'global' && item != null || scope?.fade === 'series' && item?.seriesId === seriesId;
}

/**
 * Returns the data index of the highlighted item for a specific series.
 * If the item is not highlighted, it returns `null`.
 */
function getSeriesHighlightedItem(scope, item, seriesId) {
  return scope?.highlight === 'item' && item?.seriesId === seriesId ? item.dataIndex : null;
}

/**
 * Returns the data index of the "unfaded item" for a specific series.
 * An "unfaded item" is the only item of a faded series that shouldn't be faded.
 * If the series is not faded or if there is no highlighted item, it returns `null`.
 */
function getSeriesUnfadedItem(scope, item, seriesId) {
  if (isSeriesHighlighted(scope, item, seriesId)) {
    return null;
  }
  if (getSeriesHighlightedItem(scope, item, seriesId) === item?.dataIndex) {
    return null;
  }
  return (scope?.fade === 'series' || scope?.fade === 'global') && item?.seriesId === seriesId ? item.dataIndex : null;
}