Function selectClosestPoint

src/components/fx/hover.js:714–732

(pointsData, spikedistance, spikeOnWinning)

    findHoverPoints();

    function selectClosestPoint(pointsData, spikedistance, spikeOnWinning) {
        var resultPoint = null;
        var minDistance = Infinity;
        var thisSpikeDistance;

        for (var i = 0; i < pointsData.length; i++) {
            if (firstXaxis && firstXaxis._id !== pointsData[i].xa._id) continue;
            if (firstYaxis && firstYaxis._id !== pointsData[i].ya._id) continue;

            thisSpikeDistance = pointsData[i].spikeDistance;
            if (spikeOnWinning && i === 0) thisSpikeDistance = -Infinity;

            if (thisSpikeDistance <= minDistance && thisSpikeDistance <= spikedistance) {
                resultPoint = pointsData[i];
                minDistance = thisSpikeDistance;
            }
        }
        return resultPoint;
    }

    function fillSpikePoint(point) {
        if (!point) return null;