jyapayne/langflow
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added security check to avoid errors on building empty flows

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anovazzi1 2023-06-12 20:26:56 -03:00
commit a41cc95abb
1 changed files with 3 additions and 0 deletions
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src/frontend/src/utils.ts
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@ -744,6 +744,9 @@ export function validateNode(n: NodeType, reactFlowInstance:ReactFlowInstance):A
} }
export function validateNodes(reactFlowInstance:ReactFlowInstance){ export function validateNodes(reactFlowInstance:ReactFlowInstance){
if(reactFlowInstance.getNodes().length === 0){
return ["No nodes found in the flow. Please add at least one node to the flow."];
}
return reactFlowInstance return reactFlowInstance
.getNodes() .getNodes()
.flatMap((n: NodeType) => validateNode(n, reactFlowInstance)); .flatMap((n: NodeType) => validateNode(n, reactFlowInstance));