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{"version":3,"file":"group.mjs","names":["useProxiedModel","computed","inject","provide","ref","getObjectValueByPath","propsFactory","makeDataTableGroupProps","groupBy","type","Array","default","VDataTableGroupSymbol","Symbol","for","createGroupBy","props","provideGroupBy","options","disableSort","sortBy","opened","Set","sortByWithGroups","value","map","val","order","concat","isGroupOpen","group","has","id","toggleGroup","newOpened","add","delete","extractRows","items","dive","arr","item","push","key","depth","data","useGroupBy","Error","groupItemsByProperty","length","groups","Map","raw","set","get","groupItems","arguments","undefined","prefix","groupedItems","rest","slice","forEach","flattenItems","flatItems","useGroupedItems"],"sources":["../../../../src/components/VDataTable/composables/group.ts"],"sourcesContent":["// Composables\nimport { useProxiedModel } from '@/composables/proxiedModel'\n\n// Utilities\nimport { computed, inject, provide, ref } from 'vue'\nimport { getObjectValueByPath, propsFactory } from '@/util'\n\n// Types\nimport type { InjectionKey, PropType, Ref } from 'vue'\nimport type { SortItem } from './sort'\nimport type { DataTableItem } from '../types'\n\nexport interface GroupableItem {\n  type: 'item'\n  raw: T\n}\n\nexport interface Group {\n  type: 'group'\n  depth: number\n  id: string\n  key: string\n  value: any\n  items: readonly (T | Group)[]\n}\n\nexport const makeDataTableGroupProps = propsFactory({\n  groupBy: {\n    type: Array as PropType,\n    default: () => ([]),\n  },\n}, 'DataTable-group')\n\nconst VDataTableGroupSymbol: InjectionKey<{\n  opened: Ref>\n  toggleGroup: (group: Group) => void\n  isGroupOpen: (group: Group) => boolean\n  sortByWithGroups: Ref\n  groupBy: Ref\n  extractRows: (items: (DataTableItem | Group)[]) => DataTableItem[]\n}> = Symbol.for('vuetify:data-table-group')\n\ntype GroupProps = {\n  groupBy: readonly SortItem[]\n  'onUpdate:groupBy': ((value: SortItem[]) => void) | undefined\n}\n\nexport function createGroupBy (props: GroupProps) {\n  const groupBy = useProxiedModel(props, 'groupBy')\n\n  return { groupBy }\n}\n\nexport function provideGroupBy (options: {\n  groupBy: Ref\n  sortBy: Ref\n  disableSort?: Ref\n}) {\n  const { disableSort, groupBy, sortBy } = options\n  const opened = ref(new Set())\n\n  const sortByWithGroups = computed(() => {\n    return groupBy.value.map(val => ({\n      ...val,\n      order: val.order ?? false,\n    })).concat(disableSort?.value ? [] : sortBy.value)\n  })\n\n  function isGroupOpen (group: Group) {\n    return opened.value.has(group.id)\n  }\n\n  function toggleGroup (group: Group) {\n    const newOpened = new Set(opened.value)\n    if (!isGroupOpen(group)) newOpened.add(group.id)\n    else newOpened.delete(group.id)\n\n    opened.value = newOpened\n  }\n\n  function extractRows  (items: readonly (T | Group)[]) {\n    function dive (group: Group): T[] {\n      const arr = []\n\n      for (const item of group.items) {\n        if ('type' in item && item.type === 'group') {\n          arr.push(...dive(item))\n        } else {\n          arr.push(item as T)\n        }\n      }\n\n      return arr\n    }\n    return dive({ type: 'group', items, id: 'dummy', key: 'dummy', value: 'dummy', depth: 0 })\n  }\n\n  // onBeforeMount(() => {\n  //   for (const key of groupedItems.value.keys()) {\n  //     opened.value.add(key)\n  //   }\n  // })\n\n  const data = { sortByWithGroups, toggleGroup, opened, groupBy, extractRows, isGroupOpen }\n\n  provide(VDataTableGroupSymbol, data)\n\n  return data\n}\n\nexport function useGroupBy () {\n  const data = inject(VDataTableGroupSymbol)\n\n  if (!data) throw new Error('Missing group!')\n\n  return data\n}\n\nfunction groupItemsByProperty  (items: readonly T[], groupBy: string) {\n  if (!items.length) return []\n\n  const groups = new Map()\n  for (const item of items) {\n    const value = getObjectValueByPath(item.raw, groupBy)\n\n    if (!groups.has(value)) {\n      groups.set(value, [])\n    }\n    groups.get(value)!.push(item)\n  }\n\n  return groups\n}\n\nfunction groupItems  (items: readonly T[], groupBy: readonly string[], depth = 0, prefix = 'root') {\n  if (!groupBy.length) return []\n\n  const groupedItems = groupItemsByProperty(items, groupBy[0])\n  const groups: Group[] = []\n\n  const rest = groupBy.slice(1)\n  groupedItems.forEach((items, value) => {\n    const key = groupBy[0]\n    const id = `${prefix}_${key}_${value}`\n    groups.push({\n      depth,\n      id,\n      key,\n      value,\n      items: rest.length ? groupItems(items, rest, depth + 1, id) : items,\n      type: 'group',\n    })\n  })\n\n  return groups\n}\n\nfunction flattenItems  (items: readonly (T | Group)[], opened: Set): readonly (T | Group)[] {\n  const flatItems: (T | Group)[] = []\n\n  for (const item of items) {\n    // TODO: make this better\n    if ('type' in item && item.type === 'group') {\n      if (item.value != null) {\n        flatItems.push(item)\n      }\n\n      if (opened.has(item.id) || item.value == null) {\n        flatItems.push(...flattenItems(item.items, opened))\n      }\n    } else {\n      flatItems.push(item)\n    }\n  }\n\n  return flatItems\n}\n\nexport function useGroupedItems  (\n  items: Ref,\n  groupBy: Ref,\n  opened: Ref>\n) {\n  const flatItems = computed(() => {\n    if (!groupBy.value.length) return items.value\n\n    const groupedItems = groupItems(items.value, groupBy.value.map(item => item.key))\n\n    return flattenItems(groupedItems, opened.value)\n  })\n\n  return { flatItems 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