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August 29, 2024 16:33
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Run React and ReactFlow cdn
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Document</title> | |
| <link rel="stylesheet" href="https://esm.sh/@xyflow/[email protected]/dist/style.css?dev"> | |
| <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script> | |
| <script type="text/babel" data-type="module"> | |
| import React, { useCallback } from "https://esm.sh/[email protected]/?dev" | |
| import ReactDOMClient from "https://esm.sh/[email protected]/client?dev" | |
| import { | |
| ReactFlow, | |
| MiniMap, | |
| Controls, | |
| Background, | |
| useNodesState, | |
| useEdgesState, | |
| addEdge, | |
| } from "https://esm.sh/@xyflow/[email protected]/?dev" | |
| const rootElement = ReactDOMClient.createRoot(document.getElementById('root')); | |
| 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 Graph() { | |
| 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} | |
| > | |
| <Controls /> | |
| <MiniMap /> | |
| <Background variant="dots" gap={12} size={1} /> | |
| </ReactFlow> | |
| } | |
| rootElement.render(<Graph />); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="root" | |
| style="width: 100vw; height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;"> | |
| </div> | |
| </body> | |
| </html> |
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