Function mountToTarget

packages/runtime-core/src/components/Teleport.ts:131–158

(vnode: TeleportVNode = n2)

    }

    const mountToTarget = (vnode: TeleportVNode = n2) => {
      const disabled = isTeleportDisabled(vnode.props)
      const target = (vnode.target = resolveTarget(vnode.props, querySelector))
      const targetAnchor = prepareAnchor(target, vnode, createText, insert)
      if (target) {
        // #2652 we could be teleporting from a non-SVG tree into an SVG tree
        if (namespace !== 'svg' && isTargetSVG(target)) {
          namespace = 'svg'
        } else if (namespace !== 'mathml' && isTargetMathML(target)) {
          namespace = 'mathml'
        }

        // track CE teleport targets
        if (parentComponent && parentComponent.isCE) {
          ;(
            parentComponent.ce!._teleportTargets ||
            (parentComponent.ce!._teleportTargets = new Set())
          ).add(target)
        }

        if (!disabled) {
          mount(vnode, target, targetAnchor)
          updateCssVars(vnode, false)
        }
      } else if (__DEV__ && !disabled) {
        warn('Invalid Teleport target on mount:', target, `(${typeof target})`)
      }
    }

    const queuePendingMount = (vnode: TeleportVNode) => {
      const mountJob: SchedulerJob = () => {