text: import { inject } from 'vue';
  import PropTypes from '../../_util/vue-types';
  import { INTERNAL_COL_DEFINE } from './utils';
  
  export default {
    name: 'ColGroup',
    inheritAttrs: false,
    props: {
      fixed: PropTypes.string,
      columns: PropTypes.array,
    },
    setup() {
      return {
        table: inject('table', {}),
      };
    },
    render() {
      const { fixed, table } = this;
      const { prefixCls, expandIconAsCell, columnManager } = table;
  
      let cols = [];
  
      if (expandIconAsCell && fixed !== 'right') {
        cols.push(<col class={`${prefixCls}-expand-icon-col`} key="rc-table-expand-icon-col" />);
      }
  
      let leafColumns;
  
      if (fixed === 'left') {
        leafColumns = columnManager.leftLeafColumns();
      } else if (fixed === 'right') {
        leafColumns = columnManager.rightLeafColumns();
      } else {
        leafColumns = columnManager.leafColumns();
      }
      cols = cols.concat(
        leafColumns.map(({ key, dataIndex, width, [INTERNAL_COL_DEFINE]: additionalProps }) => {
          const mergedKey = key !== undefined ? key : dataIndex;
          const w = typeof width === 'number' ? `${width}px` : width;
          return <col key={mergedKey} style={{ width: w, minWidth: w }} {...additionalProps} />;
        }),
      );
      return <colgroup>{cols}</colgroup>;
    },
  };
  