react-native-chart-kit/dist/v2/react-native/charts/line/selection.js

Beautiful React Native charts for dashboards, reports, and data-rich mobile apps.

import { getLineChartActiveDotConfig } from "./options";
export const getSelectedLineSeries = ({ activeDot, formatYLabel, geometries, selectedDataIndex }) => {
    if (selectedDataIndex === undefined) {
        return [];
    }
    return geometries.flatMap(({ geometry, style }) => {
        const point = geometry.points.find((item) => item.dataIndex === selectedDataIndex);
        if (!point || !point.defined) {
            return [];
        }
        return [
            {
                key: geometry.key,
                label: geometry.label,
                color: style.color,
                value: point.value,
                formattedValue: typeof point.value === "number" ? formatYLabel(point.value) : "—",
                point,
                activeDot: getLineChartActiveDotConfig({
                    activeDot,
                    baseDot: style.dot
                })
            }
        ];
    });
};