FIX [review] processing review, but stuck at transformation of json string to array

src/Bundle/ChillMainBundle/Resources/public/vuejs/PickEntity/PickEntity.vue

@@ -17,7 +17,8 @@
             </add-persons>
         </li>
     </ul>
-    <ul v-if="suggested !== null" class="list-suggest add-items inline">
+    <ul v-if="Object.keys(suggested).length > 0" class="list-suggest add-items inline">
+      <p>hello {{ Object.keys(suggested) }}</p>
       <li v-for="s in suggested" :key="s.id" @click="addNewSuggested(s)"><span>{{ s.text }}</span></li>
     </ul>
 </template>
@@ -55,7 +56,7 @@ export default {
         },
         suggested: {
           type: Array,
-          default: null
+          default: []
         }
     },
     emits: ['addNewEntity', 'removeEntity'],