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README.md

react-flow

React Flow is a library for building node-based graphs. You can easily implement custom node types and it comes with components like a mini-map and graph controls. Feel free to check out the examples or read the blog post to get started.

Installation

npm install react-flow-renderer

Quick Start

This is a very basic example of how to use React Flow. You can find more advanced examples on the website.

import React from 'react';
import ReactFlow from 'react-flow-renderer';

const elements = [
  { id: '1', data: { label: 'Node 1' }, position: { x: 250, y: 5 } },
  // you can also pass a React component as a label
  { id: '2', data: { label: <div>Node 2</div> }, position: { x: 100, y: 100 } },
  { id: 'e1-2', source: '1', target: '2', animated: true },
];

const BasicFlow = () => <ReactFlow elements={elements} />;

Development

Before you start you need to install the React Flow dependencies via npm install.

If you want to contribute or develop custom features the easiest way is to start the dev server:

npm run dev

This serves the content of the example folder and watches changes inside the src folder. The examples are using the source of the src folder.

Testing

Testing is done with cypress. You can find the tests in the integration/flow folder. In order to run the tests do:

npm run test

Support

If you need custom support or features for your application we are happy to hear from you.

Thanks!

Special thanks to Andy Lindemann for a lot of helpful contributions!


React Flow is maintained by webkid, a data visualization agency from Berlin. If you need help or want to develop react-based tools or data visualizations, get in touch!