tdesign-vue-next/es/table/hooks/useRowspanAndColspan.mjs.map

TDesign Component for vue-next

{"version":3,"file":"useRowspanAndColspan.mjs","sources":["../../../../components/table/hooks/useRowspanAndColspan.ts"],"sourcesContent":["import { ref, watch, Ref } from 'vue';\nimport { get } from 'lodash-es';\nimport log from '@tdesign/common-js/log/index';\nimport { BaseTableCellParams, BaseTableCol, TableRowData, TableRowspanAndColspanFunc } from '../type';\n\nexport interface SkipSpansValue {\n  colspan?: number;\n  rowspan?: number;\n  skipped?: boolean;\n}\n\nexport function getCellKey(row: TableRowData, rowKey: string, colKey: string, colIndex: number, rowIndex?: number) {\n  const rowValue = get(row, rowKey);\n  if (rowValue === undefined) {\n    // 无 rowKey 时（如 footData 场景）回退使用 rowIndex，保证每行每列 cellKey 唯一，避免不同行同列共享 key\n    if (rowIndex === undefined) {\n      log.error('Table', 'rowKey is wrong, can not get unique identifier of row.');\n    }\n    return [`__row_${rowIndex}__`, colKey || colIndex].join('_');\n  }\n  return [rowValue, colKey || colIndex].join('_');\n}\n\n// getCellKey的反向操作 用于获取rowKey\nexport function getRowKeyFromCell(cellKey: string) {\n  return cellKey.split('_')?.[0];\n}\n\nexport default function useRowspanAndColspan(\n  data: Ref<TableRowData[]>,\n  columns: Ref<BaseTableCol<TableRowData>[]>,\n  rowKey: Ref<string>,\n  rowspanAndColspan: Ref<TableRowspanAndColspanFunc<TableRowData>>,\n) {\n  const skipSpansMap = ref(new Map<string, SkipSpansValue>());\n\n  // 计算单元格是否跳过渲染\n  const onTrRowspanOrColspan = (params: BaseTableCellParams<TableRowData>, skipSpansValue: SkipSpansValue) => {\n    const { rowIndex, colIndex } = params;\n    if (!skipSpansValue.rowspan && !skipSpansValue.colspan) return;\n    const maxRowIndex = rowIndex + (skipSpansValue.rowspan || 1);\n    const maxColIndex = colIndex + (skipSpansValue.colspan || 1);\n    for (let i = rowIndex; i < maxRowIndex; i++) {\n      for (let j = colIndex; j < maxColIndex; j++) {\n        if (i !== rowIndex || j !== colIndex) {\n          if (!data.value[i] || !columns.value[j]) return;\n          const cellKey = getCellKey(data.value[i], rowKey.value, columns.value[j].colKey, j, i);\n          const state = skipSpansMap.value.get(cellKey) || {};\n          state.skipped = true;\n          skipSpansMap.value.set(cellKey, state);\n        }\n      }\n    }\n  };\n\n  // 计算单元格是否需要设置 rowspan 和 colspan\n  const updateSkipSpansMap = (\n    data: TableRowData[],\n    columns: BaseTableCol<TableRowData>[],\n    rowspanAndColspan: TableRowspanAndColspanFunc<TableRowData>,\n  ) => {\n    skipSpansMap.value?.clear();\n    if (!data || !rowspanAndColspan) return;\n    for (let i = 0, len = data.length; i < len; i++) {\n      const row = data[i];\n      for (let j = 0, colLen = columns.length; j < colLen; j++) {\n        const col = columns[j];\n        const params = {\n          row,\n          col,\n          rowIndex: i,\n          colIndex: j,\n        };\n        const cellKey = getCellKey(row, rowKey.value, col.colKey, j, i);\n        const state = skipSpansMap.value.get(cellKey) || {};\n        const o = rowspanAndColspan(params) || {};\n        if (o.rowspan || o.colspan || state.rowspan || state.colspan) {\n          o.rowspan && (state.rowspan = o.rowspan);\n          o.colspan && (state.colspan = o.colspan);\n          skipSpansMap.value.set(cellKey, state);\n        }\n        onTrRowspanOrColspan?.(params, state);\n      }\n    }\n  };\n\n  watch(\n    () => [data.value, columns.value, rowspanAndColspan],\n    () => {\n      updateSkipSpansMap(data.value, columns.value, rowspanAndColspan?.value);\n    },\n    { immediate: true },\n  );\n\n  return { skipSpansMap 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