Function extractBlockParams

apps/sim/serializer/index.ts:432–524

(block: BlockState)

 * params exactly the way execution (serializeBlock) does.
 */
export function extractBlockParams(block: BlockState): Record<string, any> {
  if (block.type === 'loop' || block.type === 'parallel') {
    return {}
  }

  const blockConfig = getBlock(block.type)
  if (!blockConfig) {
    throw new Error(`Invalid block type: ${block.type}`)
  }

  const params: Record<string, any> = {}
  const legacyAdvancedMode = block.advancedMode ?? false
  const canonicalModeOverrides = block.data?.canonicalModes
  const isStarterBlock = block.type === 'starter'
  const isAgentBlock = block.type === 'agent'
  const isTriggerContext = block.triggerMode ?? false
  const isTriggerCategory = blockConfig.category === 'triggers'
  const canonicalIndex = buildCanonicalIndex(blockConfig.subBlocks)
  const allValues = buildSubBlockValues(block.subBlocks)

  Object.entries(block.subBlocks).forEach(([id, subBlock]) => {
    const matchingConfigs = blockConfig.subBlocks.filter((config) => config.id === id)

    const hasStarterInputFormatValues =
      isStarterBlock &&
      id === 'inputFormat' &&
      Array.isArray(subBlock.value) &&
      subBlock.value.length > 0

    const isLegacyAgentField =
      isAgentBlock && ['systemPrompt', 'userPrompt', 'memories'].includes(id)

    const shouldInclude =
      matchingConfigs.length === 0 ||
      matchingConfigs.some((config) =>
        shouldSerializeSubBlock(
          config,
          allValues,
          legacyAdvancedMode,
          isTriggerContext,
          isTriggerCategory,
          canonicalIndex,
          canonicalModeOverrides
        )
      )

    if (
      (matchingConfigs.length > 0 && shouldInclude) ||
      hasStarterInputFormatValues ||
      isLegacyAgentField
    ) {
      params[id] = subBlock.value
    }
  })

  blockConfig.subBlocks.forEach((subBlockConfig) => {
    const id = subBlockConfig.id
    if (