/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */ let cached ; const css = ( x ) => x . join ( '\n' ) ; export default function getScrollBarSize ( forceRefresh = false ) { if ( typeof document === 'undefined' ) { return 0 ; } if ( cached === undefined || forceRefresh ) { const inner = document . createElement ( 'div' ) ; const outer = document . createElement ( 'div' ) ; inner . style . cssText = css `
      width: auto;
      height: 100%;
      overflow: scroll;
    ` ; outer . style . cssText = css `
      position: absolute;
      visibility: hidden;
      overflow: hidden;
      width: 100px;
      height: 50px;
    ` ; outer . append ( inner ) ; document . body . append ( outer ) ; cached = outer . clientWidth - inner . clientWidth ; outer . remove ( ) ; } return cached ; }