el-select选择框宽度与输入框相同

// el-select下拉框宽度与输入框保持一致
    document.addEventListener(‘click‘,e => {
      setTimeout(() => {
        let activeNode =  document.activeElement;
        if(activeNode){
          let parentNode = activeNode.parentNode;
          if(parentNode){
            if(parentNode.className.indexOf(‘is-focus‘) > -1){
              let granpaNode = parentNode.parentNode;
              if(granpaNode && granpaNode.className.indexOf(‘el-select‘) > -1){
                // el-select下拉框展开
                let inputWidth = parentNode.offsetWidth;
                setTimeout(() => {
                  let elSelectDropdown = document.querySelectorAll(‘.el-select-dropdown‘);
                  for(let i = 0;i < elSelectDropdown.length; i++){
                    if(getComputedStyle(elSelectDropdown[i],false)[‘display‘] == ‘block‘){
                      let elScrollbarView = elSelectDropdown[i].getElementsByClassName(‘el-scrollbar__view‘)[0];
                      elScrollbarView.style.width = inputWidth + ‘px‘;
                    }
                  }
                },1)
              }
            }
          }
        }
      },1);
    },true)