rc-trigger/es/utils/alignUtil.js

import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";

function isPointsEq(a1, a2, isAlignPoint) {
  if (isAlignPoint) {
    return a1[0] === a2[0];
  }

  return a1[0] === a2[0] && a1[1] === a2[1];
}

export function getAlignFromPlacement(builtinPlacements, placementStr, align) {
  var baseAlign = builtinPlacements[placementStr] || {};
  return _objectSpread(_objectSpread({}, baseAlign), align);
}
export function getAlignPopupClassName(builtinPlacements, prefixCls, align, isAlignPoint) {
  var points = align.points;
  var placements = Object.keys(builtinPlacements);

  for (var i = 0; i < placements.length; i += 1) {
    var placement = placements[i];

    if (isPointsEq(builtinPlacements[placement].points, points, isAlignPoint)) {
      return "".concat(prefixCls, "-placement-").concat(placement);
    }
  }

  return '';
}