isEdge()

Source on GitHub 

Test whether an object is usable as an Edge. In TypeScript this is a type guard that will narrow the type of whatever you pass in to Edge if it returns true.

import { isEdge } from '@xyflow/react';
 
const edge = {
  id: 'edge-a',
  source: 'a',
  target: 'b',
};
 
if (isEdge(edge)) {
  // ...
}

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