@composable-svelte/code/dist/node-canvas/validation.d.ts

Code editor, syntax highlighting, and node-based canvas components for Composable Svelte - Built with Prism.js, CodeMirror, and SvelteFlow

/**
 * Connection Validation Utilities
 *
 * Type-safe connection validation for node-based editors.
 * Validates connections based on port types, multiplicity, and custom rules.
 */
import type { NodeCanvasState, ConnectionValidation, NodeTypeDefinition } from './types.js';
/**
 * Default connection validator with type-safe port validation.
 *
 * Validates:
 * - Nodes exist
 * - No self-connections
 * - Port types are compatible
 * - Port multiplicity (single vs multiple connections)
 * - Custom node-level validation
 */
export declare function createConnectionValidator(nodeTypes: Record<string, NodeTypeDefinition>): (state: NodeCanvasState<any, any>, sourceNodeId: string, sourceHandle: string | null, targetNodeId: string, targetHandle: string | null) => ConnectionValidation;
/**
 * Helper to create permissive validator (allows all connections).
 */
export declare function permissiveValidator(): ConnectionValidation;
/**
 * Helper to create strict validator (blocks all connections).
 */
export declare function strictValidator(error?: string): ConnectionValidation;
/**
 * Compose multiple validators (all must pass).
 */
export declare function composeValidators(...validators: ((state: NodeCanvasState<any, any>, sourceNodeId: string, sourceHandle: string | null, targetNodeId: string, targetHandle: string | null) => ConnectionValidation)[]): (state: NodeCanvasState<any, any>, sourceNodeId: string, sourceHandle: string | null, targetNodeId: string, targetHandle: string | null) => ConnectionValidation;
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