react-flow

React Flow enables building interactive node-based diagrams with customizable nodes and edges. Define nodes and edges, configure handles for connections, and use viewport controls like fitView and zoom to manage the canvas display.

Yes, React Flow supports custom node components through NodeProps typing and multiple handle configurations. Build custom nodes by defining component logic, applying NodeProps types, and positioning multiple handles to control connection points.

React Flow provides path utilities including getBezierPath, getStraightPath, and getSmoothStepPath to render different edge routing styles. Apply EdgeProps typing and edge customization to add labels, control appearance, and define connection behavior between nodes.

Use the useReactFlow hook and fitView to programmatically control viewport positioning and zoom levels. These utilities let you center the diagram, fit all nodes in view, and adjust zoom programmatically based on user actions or data changes.

React Flow abstracts node-based graph complexity, but understanding React component patterns and handle concepts accelerates development. Start with basic node and edge definitions, then layer customization as needed for your workflow requirements.

React Flow handles interactive diagrams with customizable nodes and edges, but performance depends on node count and complexity. Consider layout patterns, viewport management, and custom node optimization for production-scale workflows with hundreds of nodes.