{"version":3,"file":"use-row.mjs","sources":["../../../../../../../packages/components/table-v2/src/composables/use-row.ts"],"sourcesContent":["import { computed, getCurrentInstance, ref, shallowRef, unref } from 'vue'\nimport { debounce } from 'lodash-unified'\nimport { isNumber } from '@element-plus/utils'\nimport { FixedDir } from '../constants'\n\nimport type { Ref } from 'vue'\nimport type { TableV2Props } from '../table'\nimport type {\n RowExpandParams,\n RowHeightChangedParams,\n RowHoverParams,\n} from '../row'\nimport type { FixedDirection, KeyType } from '../types'\nimport type { onRowRenderedParams } from '../grid'\nimport type { TableGridInstance } from '../table-grid'\n\ntype Heights = Record<KeyType, number>\ntype GridInstanceRef = Ref<TableGridInstance | undefined>\n\ntype UseRowProps = {\n mainTableRef: GridInstanceRef\n leftTableRef: GridInstanceRef\n rightTableRef: GridInstanceRef\n}\n\nexport const useRow = (\n props: TableV2Props,\n { mainTableRef, leftTableRef, rightTableRef }: UseRowProps\n) => {\n const vm = getCurrentInstance()!\n const { emit } = vm\n const isResetting = shallowRef(false)\n const hoveringRowKey = shallowRef<KeyType | null>(null)\n const expandedRowKeys = ref<KeyType[]>(props.defaultExpandedRowKeys || [])\n const lastRenderedRowIndex = ref(-1)\n const resetIndex = shallowRef<number | null>(null)\n const rowHeights = ref<Heights>({})\n const pendingRowHeights = ref<Heights>({})\n const leftTableHeights = shallowRef<Heights>({})\n const mainTableHeights = shallowRef<Heights>({})\n const rightTableHeights = shallowRef<Heights>({})\n const isDynamic = computed(() => isNumber(props.estimatedRowHeight))\n\n function onRowsRendered(params: onRowRenderedParams) {\n props.onRowsRendered?.(params)\n\n if (params.rowCacheEnd > unref(lastRenderedRowIndex)) {\n lastRenderedRowIndex.value = params.rowCacheEnd\n }\n }\n\n function onRowHovered({ hovered, rowKey }: RowHoverParams) {\n hoveringRowKey.value = hovered ? rowKey : null\n }\n\n function onRowExpanded({\n expanded,\n rowData,\n rowIndex,\n rowKey,\n }: RowExpandParams) {\n const _expandedRowKeys = [...unref(expandedRowKeys)]\n const currentKeyIndex = _expandedRowKeys.indexOf(rowKey)\n if (expanded) {\n if (currentKeyIndex === -1) _expandedRowKeys.push(rowKey)\n } else {\n if (currentKeyIndex > -1) _expandedRowKeys.splice(currentKeyIndex, 1)\n }\n expandedRowKeys.value = _expandedRowKeys\n\n emit('update:expandedRowKeys', _expandedRowKeys)\n props.onRowExpand?.({\n expanded,\n rowData,\n rowIndex,\n rowKey,\n })\n // If this is not controlled, then use this to notify changes\n props.onExpandedRowsChange?.(_expandedRowKeys)\n }\n\n const flushingRowHeights = debounce(() => {\n isResetting.value = true\n rowHeights.value = { ...unref(rowHeights), ...unref(pendingRowHeights) }\n resetAfterIndex(unref(resetIndex)!, false)\n pendingRowHeights.value = {}\n // force update\n resetIndex.value = null\n mainTableRef.value?.forceUpdate()\n leftTableRef.value?.forceUpdate()\n rightTableRef.value?.forceUpdate()\n vm.proxy?.$forceUpdate()\n isResetting.value = false\n }, 0)\n\n function resetAfterIndex(index: number, forceUpdate = false) {\n if (!unref(isDynamic)) return\n ;[mainTableRef, leftTableRef, rightTableRef].forEach((tableRef) => {\n const table = unref(tableRef)\n if (table) table.resetAfterRowIndex(index, forceUpdate)\n })\n }\n\n function resetHeights(rowKey: KeyType, height: number, rowIdx: number) {\n const resetIdx = unref(resetIndex)\n if (resetIdx === null) {\n resetIndex.value = rowIdx\n } else {\n if (resetIdx > rowIdx) {\n resetIndex.value = rowIdx\n }\n }\n\n pendingRowHeights.value[rowKey] = height\n }\n\n function onRowHeightChange(\n { rowKey, height, rowIndex }: RowHeightChangedParams,\n fixedDir: FixedDirection\n ) {\n if (!fixedDir) {\n mainTableHeights.value[rowKey] = height\n } else {\n if (fixedDir === FixedDir.RIGHT) {\n rightTableHeights.value[rowKey] = height\n } else {\n leftTableHeights.value[rowKey] = height\n }\n }\n\n const maximumHeight = Math.max(\n ...[leftTableHeights, rightTableHeights, mainTableHeights].map(\n (records) => records.value[rowKey] || 0\n )\n )\n\n if (unref(rowHeights)[rowKey] !== maximumHeight) {\n resetHeights(rowKey, maximumHeight, rowIndex)\n flushingRowHeights()\n }\n }\n\n return {\n hoveringRowKey,\n expandedRowKeys,\n lastRenderedRowIndex,\n isDynamic,\n isResetting,\n rowHeights,\n\n resetAfterIndex,\n onRowExpanded,\n onRowHovered,\n onRowsRendered,\n onRowHeightChange,\n }\n}\n\nexport type UseRowReturn = ReturnType<typeof 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