coverage

src/platforms/web/runtime/directives/show.js

@@ -20,6 +20,7 @@ export default {
     el.style.display = value ? '' : 'none'
   },
   update (el: HTMLElement, { value, oldValue }: VNodeDirective, vnode: VNodeWithData) {
+    /* istanbul ignore if */
     if (value === oldValue) return
     vnode = locateNode(vnode)
     const transition = vnode.data && vnode.data.transition