Function getScopeDropReason

apps/sim/stores/workflows/workflow/edge-validation.ts:24–48

(edge: Edge, blocks: Record<string, BlockState>)

}

function getScopeDropReason(edge: Edge, blocks: Record<string, BlockState>): string | null {
  const sourceBlock = blocks[edge.source]
  const targetBlock = blocks[edge.target]

  if (!sourceBlock || !targetBlock) {
    return 'edge references a missing block'
  }

  const sourceParent = getParentId(sourceBlock)
  const targetParent = getParentId(targetBlock)

  if (sourceParent === targetParent) {
    return null
  }

  if (targetParent === edge.source && isContainerBlock(sourceBlock)) {
    return null
  }

  if (sourceParent === edge.target && isContainerBlock(targetBlock)) {
    return null
  }

  return `blocks are in different scopes (${sourceParent ?? 'root'} -> ${targetParent ?? 'root'})`
}

export function validateEdges(
  edges: Edge[],