revert: fix(runtime-dom): ensure v-show respects display value set via v-bind (#10161)

This reverts commit 9b19f09121.

close #10294
reopen #10151

packages/runtime-dom/__tests__/directives/vShow.spec.ts

@@ -211,69 +211,4 @@ describe('runtime-dom: v-show directive', () => {
     await nextTick()
     expect($div.style.display).toEqual('')
   })
-
-  // #10151
-  test('should respect the display value when v-show value is true', async () => {
-    const isVisible = ref(false)
-    const useDisplayStyle = ref(true)
-    const compStyle = ref({
-      display: 'none',
-    })
-    const withoutDisplayStyle = {
-      margin: '10px',
-    }
-
-    const Component = {
-      setup() {
-        return () => {
-          return withVShow(
-            h('div', {
-              style: useDisplayStyle.value
-                ? compStyle.value
-                : withoutDisplayStyle,
-            }),
-            isVisible.value,
-          )
-        }
-      },
-    }
-    render(h(Component), root)
-
-    const $div = root.children[0]
-
-    expect($div.style.display).toEqual('none')
-
-    isVisible.value = true
-    await nextTick()
-    expect($div.style.display).toEqual('none')
-
-    compStyle.value.display = 'block'
-    await nextTick()
-    expect($div.style.display).toEqual('block')
-
-    compStyle.value.display = 'inline-block'
-    await nextTick()
-    expect($div.style.display).toEqual('inline-block')
-
-    isVisible.value = false
-    await nextTick()
-    expect($div.style.display).toEqual('none')
-
-    isVisible.value = true
-    await nextTick()
-    expect($div.style.display).toEqual('inline-block')
-
-    useDisplayStyle.value = false
-    await nextTick()
-    expect($div.style.display).toEqual('')
-    expect(getComputedStyle($div).display).toEqual('block')
-
-    isVisible.value = false
-    await nextTick()
-    expect($div.style.display).toEqual('none')
-
-    isVisible.value = true
-    await nextTick()
-    expect($div.style.display).toEqual('')
-  })
 })

packages/runtime-dom/src/directives/vShow.ts

@@ -22,7 +22,7 @@ export const vShow: ObjectDirective<VShowElement> & { name?: 'show' } = {
     }
   },
   updated(el, { value, oldValue }, { transition }) {
-    if (!value === !oldValue && el.style.display === el[vShowOldKey]) return
+    if (!value === !oldValue) return
     if (transition) {
       if (value) {
         transition.beforeEnter(el)

packages/runtime-dom/src/modules/style.ts

@@ -38,7 +38,6 @@ export function patchStyle(el: Element, prev: Style, next: Style) {
   // so we always keep the current `display` value regardless of the `style`
   // value, thus handing over control to `v-show`.
   if (vShowOldKey in el) {
-    el[vShowOldKey] = style.display
     style.display = currentDisplay
   }
 }