dom-helpers/cjs/scrollbarSize.js

tiny modular DOM lib for ie9+

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
exports.__esModule = true;
exports.default = scrollbarSize;
var _canUseDOM = _interopRequireDefault(require("./canUseDOM.js"));
let size;
function scrollbarSize(recalc) {
  if (!size && size !== 0 || recalc) {
    if (_canUseDOM.default) {
      const scrollDiv = document.createElement('div');
      scrollDiv.style.position = 'absolute';
      scrollDiv.style.top = '-9999px';
      scrollDiv.style.width = '50px';
      scrollDiv.style.height = '50px';
      scrollDiv.style.overflow = 'scroll';
      document.body.appendChild(scrollDiv);
      size = scrollDiv.offsetWidth - scrollDiv.clientWidth;
      document.body.removeChild(scrollDiv);
    }
  }
  return size;
}
module.exports = exports.default;