refactor(x): 调整 getElementById 实现

Author: zhetengbiji

packages/uni-app-plus/src/x/api/dom/getElementById.ts

@@ -5,16 +5,10 @@ import { getCurrentPage } from '@dcloudio/uni-core'
 export const getElementById = defineSyncApi<GetElementById>(
   'getElementById',
   (id: string.IDString | string): UniElement | null => {
-    const page = (getCurrentPage() as unknown as UniPage).vm
+    const page = getCurrentPage() as unknown as UniPage
     if (page == null) {
       return null
     }
-
-    const bodyNode = page.$el?.parentNode
-    if (bodyNode == null) {
-      console.warn('bodyNode is null')
-      return null
-    }
-    return bodyNode.querySelector(`#${id}`)
+    return page.getElementById(id)
   }
 )

packages/uni-app-plus/src/x/framework/page/setup.ts

@@ -50,16 +50,7 @@ export function setupXPage(
       return new UTSJSONObject(pageVm.$basePage.options)
     },
   })
-  uniPage.getElementById = (
-    id: string.IDString | string
-  ): UniElement | null => {
-    const containerNode = pageVm.$el?.parentElement
-    if (containerNode == null) {
-      console.warn('bodyNode is null')
-      return null
-    }
-    return containerNode.querySelector(`#${id}`)
-  }
+
   uniPage.vm = pageVm
   uniPage.$vm = pageVm