Function createBlock

packages/runtime-core/src/vnode.ts:369–386

(
  type: VNodeTypes | ClassComponent,
  props?: Record<string, any> | null,
  children?: any,
  patchFlag?: number,
  dynamicProps?: string[],
)

 * @private
 */
export function createBlock(
  type: VNodeTypes | ClassComponent,
  props?: Record<string, any> | null,
  children?: any,
  patchFlag?: number,
  dynamicProps?: string[],
): VNode {
  return setupBlock(
    createVNode(
      type,
      props,
      children,
      patchFlag,
      dynamicProps,
      true /* isBlock: prevent a block from tracking itself */,
    ),
  )
}

export function isVNode(value: any): value is VNode {
  return value ? value.__v_isVNode === true : false