'use strict';

exports.__esModule = true;

exports.default = function () {
    if (_vue2.default.prototype.$isServer) return 0;
    if (scrollBarWidth !== undefined) return scrollBarWidth;

    var outer = document.createElement('div');
    outer.className = 'el-scrollbar__wrap';
    outer.style.visibility = 'hidden';
    outer.style.width = '100px';
    outer.style.position = 'absolute';
    outer.style.top = '-9999px';
    document.body.appendChild(outer);

    var widthNoScroll = outer.offsetWidth;
    outer.style.overflow = 'scroll';

    var inner = document.createElement('div');
    inner.style.width = '100%';
    outer.appendChild(inner);

    var widthWithScroll = inner.offsetWidth;
    outer.parentNode.removeChild(outer);
    scrollBarWidth = widthNoScroll - widthWithScroll;

    return scrollBarWidth;
};

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {default: obj};
}

var scrollBarWidth = void 0;

