Method initializeStarterBlock

apps/sim/executor/execution/executor.ts:576–627

(
    context: ExecutionContext,
    state: ExecutionState,
    triggerBlockId?: string
  )

  }

  private initializeStarterBlock(
    context: ExecutionContext,
    state: ExecutionState,
    triggerBlockId?: string
  ): void {
    let startResolution: ReturnType<typeof resolveExecutorStartBlock> | null = null

    if (triggerBlockId) {
      const triggerBlock = this.workflow.blocks.find((b) => b.id === triggerBlockId)
      if (!triggerBlock) {
        this.execLogger.error('Specified trigger block not found in workflow', {
          triggerBlockId,
        })
        throw new Error(`Trigger block not found: ${triggerBlockId}`)
      }

      startResolution = buildResolutionFromBlock(triggerBlock)

      if (!startResolution) {
        startResolution = {
          blockId: triggerBlock.id,
          block: triggerBlock,
          path: StartBlockPath.SPLIT_MANUAL,
        }
      }
    } else {
      startResolution = resolveExecutorStartBlock(this.workflow.blocks, {
        execution: 'manual',
        isChildWorkflow: false,
      })

      if (!startResolution?.block) {
        this.execLogger.warn('No start block found in workflow')
        return
      }
    }

    if (state.getBlockStates().has(startResolution.block.id)) {
      return
    }

    const blockOutput = buildStartBlockOutput({
      resolution: startResolution,
      workflowInput: this.workflowInput,
    })

    state.setBlockState(startResolution.block.id, {
      output: blockOutput,
      executed: false,
      executionTime: 0,
    })
  }
}