var zeroGap = {
  left: 0,
  top: 0,
  right: 0,
  gap: 0
};
var parse = function(x) {
  return parseInt(x || "", 10) || 0;
};
var getOffset = function(gapMode) {
  var cs = window.getComputedStyle(document.body);
  var left = cs[gapMode === "padding" ? "paddingLeft" : "marginLeft"];
  var top = cs[gapMode === "padding" ? "paddingTop" : "marginTop"];
  var right = cs[gapMode === "padding" ? "paddingRight" : "marginRight"];
  return [parse(left), parse(top), parse(right)];
};
var getGapWidth = function(gapMode) {
  if (gapMode === void 0) {
    gapMode = "margin";
  }
  if (typeof window === "undefined") {
    return zeroGap;
  }
  var offsets = getOffset(gapMode);
  var documentWidth = document.documentElement.clientWidth;
  var windowWidth = window.innerWidth;
  return {
    left: offsets[0],
    top: offsets[1],
    right: offsets[2],
    gap: Math.max(0, windowWidth - documentWidth + offsets[2] - offsets[0])
  };
};
export {
  getGapWidth,
  zeroGap
};
