| 1 | import { TableColumnProp } from '../types/table-column.type';
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| 2 | export declare type OptionalValueGetter = (row: any) => any | undefined;
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| 3 | export declare function optionalGetterForProp(prop: TableColumnProp): OptionalValueGetter;
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| 4 | /**
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| 5 | * This functions rearrange items by their parents
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| 6 | * Also sets the level value to each of the items
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| 7 | *
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| 8 | * Note: Expecting each item has a property called parentId
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| 9 | * Note: This algorithm will fail if a list has two or more items with same ID
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| 10 | * NOTE: This algorithm will fail if there is a deadlock of relationship
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| 11 | *
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| 12 | * For example,
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| 13 | *
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| 14 | * Input
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| 15 | *
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| 16 | * id -> parent
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| 17 | * 1 -> 0
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| 18 | * 2 -> 0
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| 19 | * 3 -> 1
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| 20 | * 4 -> 1
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| 21 | * 5 -> 2
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| 22 | * 7 -> 8
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| 23 | * 6 -> 3
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| 24 | *
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| 25 | *
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| 26 | * Output
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| 27 | * id -> level
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| 28 | * 1 -> 0
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| 29 | * --3 -> 1
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| 30 | * ----6 -> 2
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| 31 | * --4 -> 1
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| 32 | * 2 -> 0
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| 33 | * --5 -> 1
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| 34 | * 7 -> 8
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| 35 | *
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| 36 | *
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| 37 | * @param rows
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| 38 | *
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| 39 | */
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| 40 | export declare function groupRowsByParents(rows: any[], from?: OptionalValueGetter, to?: OptionalValueGetter): any[];
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