Function prepareBlockState

apps/sim/stores/workflows/utils.ts:114–197

(options: PrepareBlockStateOptions)

 * Generates subBlocks and outputs from the block registry.
 */
export function prepareBlockState(options: PrepareBlockStateOptions): BlockState {
  const { id, type, name, position, data, parentId, extent, triggerMode = false } = options

  const blockConfig = getBlock(type)

  const blockData: Record<string, unknown> = { ...(data || {}) }
  if (parentId) blockData.parentId = parentId
  if (extent) blockData.extent = extent

  if (!blockConfig) {
    return {
      id,
      type,
      name,
      position,
      data: blockData,
      subBlocks: {},
      outputs: {},
      enabled: true,
      horizontalHandles: true,
      advancedMode: false,
      triggerMode,
      height: 0,
    }
  }

  const subBlocks: Record<string, SubBlockState> = {}

  if (blockConfig.subBlocks) {
    blockConfig.subBlocks.forEach((subBlock) => {
      let initialValue: unknown = null

      if (typeof subBlock.value === 'function') {
        try {
          initialValue = subBlock.value({})
        } catch {
          initialValue = null
        }
      } else if (subBlock.defaultValue !== undefined) {
        initialValue = subBlock.defaultValue
      } else if (subBlock.type === 'input-format' || subBlock.type === 'response-format') {
        initialValue = [createDefaultInputFormatField()]
      } else if (subBlock.type === 'table') {
        initialValue = []
      }

      subBlocks[subBlock.id] = {
        id: subBlock.id,
        type: subBlock.type,
        value: initialValue as SubBlockState['value'],
      }
    })
  }

  const isTriggerCapable = hasTriggerCapability(blockConfig)
  const effectiveTriggerMode = Boolean(triggerMode && isTriggerCapable)
  const outputs = getEffectiveBlockOutputs(type, subBlocks, {
    triggerMode: effectiveTriggerMode,