@lumina-study/graph/dist/utils/autoLayout.d.ts

Graph library for Lumina Study

import { Node, Edge } from '@xyflow/react';
import { TreeNodeData } from '../types';
export type LayoutDirection = 'vertical' | 'horizontal';
export interface LayoutOptions {
    /**
     * Direction of the tree layout
     * @default 'vertical'
     */
    direction?: LayoutDirection;
    /**
     * Horizontal spacing between nodes
     * @default 300
     */
    horizontalSpacing?: number;
    /**
     * Vertical spacing between nodes
     * @default 150
     */
    verticalSpacing?: number;
}
/**
 * Calculate positions for tree nodes using a simple hierarchical layout
 *
 * @example
 * ```typescript
 * const nodes = [
 *   { id: '1', data: { label: 'Root' } },
 *   { id: '2', data: { label: 'Child 1' } },
 *   { id: '3', data: { label: 'Child 2' } }
 * ];
 * const edges = [
 *   { id: 'e1-2', source: '1', target: '2' },
 *   { id: 'e1-3', source: '1', target: '3' }
 * ];
 *
 * const layoutedNodes = autoLayout(nodes, edges);
 * ```
 */
export declare function autoLayout<T extends TreeNodeData = TreeNodeData>(nodes: Omit<Node<T>, 'position'>[], edges: Edge[], options?: LayoutOptions): Node<T>[];
/**
 * Helper to create a tree from a simple parent-child structure
 *
 * @example
 * ```typescript
 * const tree = createTreeFromHierarchy([
 *   { id: '1', data: { label: 'Root' } },
 *   { id: '2', parentId: '1', data: { label: 'Child 1' } },
 *   { id: '3', parentId: '1', data: { label: 'Child 2' } }
 * ]);
 * // Returns { nodes, edges }
 * ```
 */
export declare function createTreeFromHierarchy<T extends TreeNodeData>(items: Array<{
    id: string;
    parentId?: string;
    data: T;
}>): {
    nodes: Node<T>[];
    edges: Edge[];
};
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