JbSxs/Front-end logistics/node_modules/.cache/babel-loader/24f054e394045328ea67e4312d4883d5c2304e4d58222951e71d42df5639fd3d.json

{"ast":null,"code":"import createGrid from '../builders/build-grid.mjs';\nimport { DEFAULT_DYNAMIC_LIST_ITEM_SIZE, AUTO_ALIGNMENT, CENTERED_ALIGNMENT, END_ALIGNMENT, START_ALIGNMENT, SMART_ALIGNMENT } from '../defaults.mjs';\nimport { isFunction } from '@vue/shared';\nimport { throwError } from '../../../../utils/error.mjs';\nimport { isNumber, isUndefined } from '../../../../utils/types.mjs';\nconst {\n  max,\n  min,\n  floor\n} = Math;\nconst SCOPE = \"ElDynamicSizeGrid\";\nconst ACCESS_SIZER_KEY_MAP = {\n  column: \"columnWidth\",\n  row: \"rowHeight\"\n};\nconst ACCESS_LAST_VISITED_KEY_MAP = {\n  column: \"lastVisitedColumnIndex\",\n  row: \"lastVisitedRowIndex\"\n};\nconst getItemFromCache = (props, index, gridCache, type) => {\n  const [cachedItems, sizer, lastVisited] = [gridCache[type], props[ACCESS_SIZER_KEY_MAP[type]], gridCache[ACCESS_LAST_VISITED_KEY_MAP[type]]];\n  if (index > lastVisited) {\n    let offset = 0;\n    if (lastVisited >= 0) {\n      const item = cachedItems[lastVisited];\n      offset = item.offset + item.size;\n    }\n    for (let i = lastVisited + 1; i <= index; i++) {\n      const size = sizer(i);\n      cachedItems[i] = {\n        offset,\n        size\n      };\n      offset += size;\n    }\n    gridCache[ACCESS_LAST_VISITED_KEY_MAP[type]] = index;\n  }\n  return cachedItems[index];\n};\nconst bs = (props, gridCache, low, high, offset, type) => {\n  while (low <= high) {\n    const mid = low + floor((high - low) / 2);\n    const currentOffset = getItemFromCache(props, mid, gridCache, type).offset;\n    if (currentOffset === offset) {\n      return mid;\n    } else if (currentOffset < offset) {\n      low = mid + 1;\n    } else {\n      high = mid - 1;\n    }\n  }\n  return max(0, low - 1);\n};\nconst es = (props, gridCache, idx, offset, type) => {\n  const total = type === \"column\" ? props.totalColumn : props.totalRow;\n  let exponent = 1;\n  while (idx < total && getItemFromCache(props, idx, gridCache, type).offset < offset) {\n    idx += exponent;\n    exponent *= 2;\n  }\n  return bs(props, gridCache, floor(idx / 2), min(idx, total - 1), offset, type);\n};\nconst findItem = (props, gridCache, offset, type) => {\n  const [cache, lastVisitedIndex] = [gridCache[type], gridCache[ACCESS_LAST_VISITED_KEY_MAP[type]]];\n  const lastVisitedItemOffset = lastVisitedIndex > 0 ? cache[lastVisitedIndex].offset : 0;\n  if (lastVisitedItemOffset >= offset) {\n    return bs(props, gridCache, 0, lastVisitedIndex, offset, type);\n  }\n  return es(props, gridCache, max(0, lastVisitedIndex), offset, type);\n};\nconst getEstimatedTotalHeight = ({\n  totalRow\n}, {\n  estimatedRowHeight,\n  lastVisitedRowIndex,\n  row\n}) => {\n  let sizeOfVisitedRows = 0;\n  if (lastVisitedRowIndex >= totalRow) {\n    lastVisitedRowIndex = totalRow - 1;\n  }\n  if (lastVisitedRowIndex >= 0) {\n    const item = row[lastVisitedRowIndex];\n    sizeOfVisitedRows = item.offset + item.size;\n  }\n  const unvisitedItems = totalRow - lastVisitedRowIndex - 1;\n  const sizeOfUnvisitedItems = unvisitedItems * estimatedRowHeight;\n  return sizeOfVisitedRows + sizeOfUnvisitedItems;\n};\nconst getEstimatedTotalWidth = ({\n  totalColumn\n}, {\n  column,\n  estimatedColumnWidth,\n  lastVisitedColumnIndex\n}) => {\n  let sizeOfVisitedColumns = 0;\n  if (lastVisitedColumnIndex > totalColumn) {\n    lastVisitedColumnIndex = totalColumn - 1;\n  }\n  if (lastVisitedColumnIndex >= 0) {\n    const item = column[lastVisitedColumnIndex];\n    sizeOfVisitedColumns = item.offset + item.size;\n  }\n  const unvisitedItems = totalColumn - lastVisitedColumnIndex - 1;\n  const sizeOfUnvisitedItems = unvisitedItems * estimatedColumnWidth;\n  return sizeOfVisitedColumns + sizeOfUnvisitedItems;\n};\nconst ACCESS_ESTIMATED_SIZE_KEY_MAP = {\n  column: getEstimatedTotalWidth,\n  row: getEstimatedTotalHeight\n};\nconst getOffset = (props, index, alignment, scrollOffset, cache, type, scrollBarWidth) => {\n  const [size, estimatedSizeAssociates] = [type === \"row\" ? props.height : props.width, ACCESS_ESTIMATED_SIZE_KEY_MAP[type]];\n  const item = getItemFromCa