Function dataset

src/core/core.interaction.js:306–324

* Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something * If the options.intersect is false, we find the nearest item and return the items in that dataset * @function Chart.Interaction.modes.dataset * @param {Chart} cha

(chart, e, options, useFinalPosition)

		 * @return {InteractionItem[]} - items that are found
		 */
    dataset(chart, e, options, useFinalPosition) {
      const position = getRelativePosition(e, chart);
      const axis = options.axis || 'xy';
      const includeInvisible = options.includeInvisible || false;
      let items = options.intersect
        ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) :
        getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible);

      if (items.length > 0) {
        const datasetIndex = items[0].datasetIndex;
        const data = chart.getDatasetMeta(datasetIndex).data;
        items = [];
        for (let i = 0; i < data.length; ++i) {
          items.push({element: data[i], datasetIndex, index: i});
        }
      }

      return items;
    },

    /**
		 * Point mode returns all elements that hit test based on the event position