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Update graph.ts

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added check to verify handle exists in node
This commit is contained in:
jasonpul
2020-10-11 17:51:08 -04:00
committed by GitHub
parent 8742fa5cb8
commit abf00187bb
1 changed files with 8 additions and 4 deletions
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src/utils/graph.ts
+8 -4
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@@ -65,10 +65,14 @@ export const addEdge = (edgeParams: Edge | Connection, elements: Elements): Elem
throw new Error(`Can't create edge. Node with id=${id} does not exist.`); throw new Error(`Can't create edge. Node with id=${id} does not exist.`);
} }
}); });
// need to check if handles exist
// // make sure that the handles exists in each node
// const handleElements = Array.from(document.getElementsByClassName("react-flow__handle")) as HTMLDivElement[]
// [[edgeParams.source, edgeParams.sourceHandle], [edgeParams.target, edgeParams.targetHandle]].forEach(([nodeId, handleId]) => {
if (!handleElements.find((he) => he.getAttribute('data-nodeid') === nodeId && he.getAttribute('data-handleid') === handleId)) {
throw new Error(`Can't create edge. Handle with id=${handleId} does not exist within Node with id=${nodeId}.`);
}
})
let edge: Edge let edge: Edge
if (isEdge(edgeParams)) { if (isEdge(edgeParams)) {