Function spawn

apps/sim/lib/execution/isolated-vm.test.ts:107–120

()

  let lastExecutionId = 0

  const spawn: SpawnFactory = () => {
    const current = createBaseProc()
    current.send = (message: unknown) => {
      const msg = message as { type?: string; executionId?: number }
      if (msg.type === 'execute') {
        lastExecutionId = msg.executionId ?? 0
        markDispatched()
      }
      return true
    }
    setImmediate(() => current.emit('message', { type: 'ready' }))
    proc = current
    return current
  }

  const release = (result: unknown = 'released') => {
    proc?.emit('message', {