Update lib/rules/no-negated-v-if-condition.js

Co-authored-by: Flo Edelmann <[email protected]>

Author: waynzh

lib/rules/no-negated-v-if-condition.js

@@ -153,8 +153,9 @@ module.exports = {
      * @returns {string}
      */
     function getElementContent(element) {
-      if (element.children.length === 0) return ''
-      if (!element.endTag) return ''
+      if (element.children.length === 0 || !element.endTag) {
+        return ''
+      }
 
       const contentStart = element.startTag.range[1]
       const contentEnd = element.endTag.range[0]