Function processPickInfo

docs/tests/v2/es6/js/sanddance.js:45644–45748

(_ref6)

function processPickInfo(_ref6) {
  var pickInfo = _ref6.pickInfo,
      lastPickedInfo = _ref6.lastPickedInfo,
      mode = _ref6.mode,
      layers = _ref6.layers,
      viewports = _ref6.viewports,
      x = _ref6.x,
      y = _ref6.y,
      deviceX = _ref6.deviceX,
      deviceY = _ref6.deviceY,
      pixelRatio = _ref6.pixelRatio;
  var pickedColor = pickInfo.pickedColor,
      pickedLayer = pickInfo.pickedLayer,
      pickedObjectIndex = pickInfo.pickedObjectIndex;
  var affectedLayers = pickedLayer ? [pickedLayer] : [];

  if (mode === 'hover') {
    // only invoke onHover events if picked object has changed
    var lastPickedObjectIndex = lastPickedInfo.index;
    var lastPickedLayerId = lastPickedInfo.layerId;
    var pickedLayerId = pickedLayer && pickedLayer.props.id; // proceed only if picked object changed

    if (pickedLayerId !== lastPickedLayerId || pickedObjectIndex !== lastPickedObjectIndex) {
      if (pickedLayerId !== lastPickedLayerId) {
        // We cannot store a ref to lastPickedLayer in the context because
        // the state of an outdated layer is no longer valid
        // and the props may have changed
        var lastPickedLayer = layers.find(function (layer) {
          return layer.props.id === lastPickedLayerId;
        });

        if (lastPickedLayer) {
          // Let leave event fire before enter event
          affectedLayers.unshift(lastPickedLayer);
        }
      } // Update layer manager context


      lastPickedInfo.layerId = pickedLayerId;
      lastPickedInfo.index = pickedObjectIndex;
      lastPickedInfo.info = null;
    }
  }

  var viewport = getViewportFromCoordinates({
    viewports: viewports
  }); // TODO - add coords

  var coordinate = viewport && viewport.unproject([x, y]);
  var baseInfo = {
    color: null,
    layer: null,
    index: -1,
    picked: false,
    x: x,
    y: y,
    pixel: [x, y],
    coordinate: coordinate,