Function validateEdges

apps/sim/stores/workflows/workflow/edge-validation.ts:50–86

(
  edges: Edge[],
  blocks: Record<string, BlockState>
)

}

export function validateEdges(
  edges: Edge[],
  blocks: Record<string, BlockState>
): EdgeValidationResult {
  const valid: Edge[] = []
  const dropped: DroppedEdge[] = []

  for (const edge of edges) {
    const sourceBlock = blocks[edge.source]
    const targetBlock = blocks[edge.target]

    if (!sourceBlock || !targetBlock) {
      dropped.push({ edge, reason: 'edge references a missing block' })
      continue
    }

    if (isAnnotationOnlyBlock(sourceBlock.type) || isAnnotationOnlyBlock(targetBlock.type)) {
      dropped.push({ edge, reason: 'edge references an annotation-only block' })
      continue
    }

    if (TriggerUtils.isTriggerBlock(targetBlock)) {
      dropped.push({ edge, reason: 'trigger blocks cannot be edge targets' })
      continue
    }

    const scopeDropReason = getScopeDropReason(edge, blocks)
    if (scopeDropReason) {
      dropped.push({ edge, reason: scopeDropReason })
      continue
    }

    valid.push(edge)
  }

  return { valid, dropped }
}