polish(teleport): do not warn missing target when teleport is disabled (#2021)

packages/runtime-core/src/components/Teleport.ts

@@ -14,7 +14,7 @@ import { warn } from '../warning'
 export type TeleportVNode = VNode<RendererNode, RendererElement, TeleportProps>
 
 export interface TeleportProps {
-  to: string | RendererElement
+  to: string | RendererElement | null | undefined
   disabled?: boolean
 }
 
@@ -50,7 +50,7 @@ const resolveTarget = <T = RendererElement>(
       return target as any
     }
   } else {
-    if (__DEV__ && !targetSelector) {
+    if (__DEV__ && !targetSelector && !isTeleportDisabled(props)) {
       warn(`Invalid Teleport target: ${targetSelector}`)
     }
     return targetSelector as any
@@ -94,7 +94,7 @@ export const TeleportImpl = {
       const targetAnchor = (n2.targetAnchor = createText(''))
       if (target) {
         insert(targetAnchor, target)
-      } else if (__DEV__) {
+      } else if (__DEV__ && !disabled) {
         warn('Invalid Teleport target on mount:', target, `(${typeof target})`)
       }