wix-style-react/dist/src/common/ScrollableContainer/scrollAreaLogic.js

wix-style-react

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getScrollAreaY = void 0;

var _constants = require("./constants");

var getScrollAreaY = function getScrollAreaY(_ref) {
  var scrollHeight = _ref.scrollHeight,
      clientHeight = _ref.clientHeight,
      scrollTop = _ref.scrollTop;

  if (scrollHeight <= clientHeight) {
    return _constants.AreaY.NONE;
  } else if (scrollTop === 0) {
    return _constants.AreaY.TOP;
  } else if (scrollHeight - scrollTop === clientHeight) {
    return _constants.AreaY.BOTTOM;
  } else {
    return _constants.AreaY.MIDDLE;
  }
};

exports.getScrollAreaY = getScrollAreaY;