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@loken/hierarchies

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Library for working with hierarchies of identifiers and identifiable objects.

github.com/loken/ts-hierarchies

loken/ts-hierarchies

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import type { Identify } from './identify.js'; /** Get any child `Item`s related to the `item`. */ export type GetChildren<Item> = (item: Item) => Item[] | undefined; /** Get the parent `Item` related to the `item`, if it has one. */ export type GetParent<Item> = (item: Item) => Item | undefined; /** Get the `Id`s of any children of the `item`. */ export type IdentifyChildren<Item, Id> = Identify<Item, Id[] | undefined>; /** Get the `Id` of the parent of the `item`, if it has one. */ export type IdentifyParent<Item, Id> = Identify<Item, Id | undefined>;