// core-main/packages/server-renderer/src/render.ts
function renderElementVNode(
  push: PushFn,
  vnode: VNode,
  parentComponent: ComponentInternalInstance,
  slotScopeId: string | undefined,
) {
  const tag = vnode.type as string
  let { props, children, shapeFlag, scopeId, dirs } = vnode
  let openTag = `<${tag}`
  ...
  if (scopeId) {
    openTag += ` ${scopeId}`
  }
  // inherit parent chain scope id if this is the root node
  let curParent: ComponentInternalInstance | null = parentComponent
  let curVnode = vnode
  while (curParent &amp;&amp; curVnode === curParent.subTree) {
    curVnode = curParent.vnode
    if (curVnode.scopeId) {
      openTag += ` ${curVnode.scopeId}`
    }
    curParent = curParent.parent
  }
  if (slotScopeId) {
    openTag += ` ${slotScopeId}`
  }
  push(openTag + `>`)
  ...
}