React Flow, open source libraries for node-based UIs with React or Svelte

5 hours ago 1

The xyflow repository is the home of four packages:

React Flow 12 @xyflow/react packages/react
React Flow 11 reactflow v11 branch
Svelte Flow @xyflow/svelte packages/svelte
Shared helper library @xyflow/system packages/system

Are you using React Flow or Svelte Flow for a personal project? Great! No sponsorship needed, you can support us by reporting any bugs you find, sending us screenshots of your projects, and starring us on Github 🌟

Are you using React Flow or Svelte Flow at your organization and making money from it? Awesome! We rely on your support to keep our libraries developed and maintained under an MIT License, just how we like it. For React Flow you can do that on the React Flow Pro website and for both of our libraries you can do it through Github Sponsors.

The best way to get started is to check out the React Flow or Svelte Flow learn section. However if you want to get a sneak peek of how to install and use the libraries you can see it here:

React Flow basic usage

npm install @xyflow/react

import { useCallback } from 'react'; import { ReactFlow, MiniMap, Controls, Background, useNodesState, useEdgesState, addEdge, } from '@xyflow/react'; import '@xyflow/react/dist/style.css'; const initialNodes = [ { id: '1', position: { x: 0, y: 0 }, data: { label: '1' } }, { id: '2', position: { x: 0, y: 100 }, data: { label: '2' } }, ]; const initialEdges = [{ id: 'e1-2', source: '1', target: '2' }]; function Flow() { const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes); const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges); const onConnect = useCallback((params) => setEdges((eds) => addEdge(params, eds)), [setEdges]); return ( <ReactFlow nodes={nodes} edges={edges} onNodesChange={onNodesChange} onEdgesChange={onEdgesChange} onConnect={onConnect} > <MiniMap /> <Controls /> <Background /> </ReactFlow> ); } export default Flow;

Svelte Flow basic usage

npm install @xyflow/svelte

For releasing packages we are using changesets in combination with the changeset Github action. The rough idea is:

create PRs for new features, updates and fixes (with a changeset if relevant for changelog)
merge into main
changset creates a PR that bumps all packages based on the changesets
merge changeset PR if you want to release to Github and npm

React Flow and Svelte Flow are maintained by the xyflow team. If you need help or want to talk to us about a collaboration, reach out through our contact form or by joining our Discord Server.

React Flow and Svelte Flow are MIT licensed.

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