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Interface HierarchyProvider<TNode>

Describes an object that defines the relationships between parents and children of an element.

Type parameters

  • TNode

Hierarchy

  • HierarchyProvider

Index

Methods

Methods

children

  • children(element: TNode): Queryable<TNode> | undefined

  • Gets the children elements for the supplied element.

    Parameters

    • element: TNode

    Returns Queryable<TNode> | undefined

Optional owns

  • owns(element: TNode): boolean

  • Indicates whether the supplied element is contained within a hierarchy.

    Parameters

    • element: TNode

    Returns boolean

parent

  • parent(element: TNode): TNode | undefined

  • Gets the parent element for the supplied element.

    Parameters

    • element: TNode

    Returns TNode | undefined

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