react-native-chart-kit/dist/v2/react-native/charts/pie/interaction.js

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

const fullCircle = Math.PI * 2;
const normalizeAngleFromStart = (angle, startAngle) => {
    let normalizedAngle = angle;
    while (normalizedAngle < startAngle) {
        normalizedAngle += fullCircle;
    }
    while (normalizedAngle >= startAngle + fullCircle) {
        normalizedAngle -= fullCircle;
    }
    return normalizedAngle;
};
export const getPieChartInteractionConfig = (interaction) => {
    if (!interaction) {
        return {
            mode: "none",
            deselectOnOutsidePress: true,
            onDeselect: undefined,
            onSelect: undefined
        };
    }
    if (interaction === "tap" || interaction === "none") {
        return {
            mode: interaction,
            deselectOnOutsidePress: true,
            onDeselect: undefined,
            onSelect: undefined
        };
    }
    return {
        mode: interaction.mode ?? "tap",
        deselectOnOutsidePress: interaction.deselectOnOutsidePress !== false,
        onDeselect: interaction.onDeselect,
        onSelect: interaction.onSelect
    };
};
export const isPieChartInteractionEnabled = (config) => config.mode === "tap";
export const normalizePieChartSelectedIndex = (selectedIndex) => typeof selectedIndex === "number" && Number.isFinite(selectedIndex)
    ? Math.max(0, Math.floor(selectedIndex))
    : undefined;
export const getPieChartSliceAtPoint = ({ arcs, centerX, centerY, innerRadius, locationX, locationY, radius }) => {
    const dx = locationX - centerX;
    const dy = locationY - centerY;
    const distance = Math.sqrt(dx * dx + dy * dy);
    if (distance < innerRadius || distance > radius) {
        return undefined;
    }
    const firstDefinedArc = arcs.find((arc) => arc.defined);
    if (!firstDefinedArc) {
        return undefined;
    }
    const angle = normalizeAngleFromStart(Math.atan2(dy, dx), firstDefinedArc.startAngle);
    return arcs.find((arc) => arc.defined && angle >= arc.startAngle && angle <= arc.endAngle);
};
export const buildPieChartSelectEvent = (arc) => {
    if (!arc || !arc.defined) {
        return undefined;
    }
    return {
        index: arc.index,
        label: arc.label,
        value: arc.value,
        percentage: arc.percentage,
        ...(arc.color !== undefined ? { color: arc.color } : {}),
        ...(arc.raw !== undefined ? { raw: arc.raw } : {})
    };
};