Guidelines for implementing a vuex getter within the onMounted hook in Vue

Currently, my process involves fetching data from a database and storing it in vuex. I am able to retrieve the data using a getter in the setup method, but I would like to manipulate some of that data before the page is rendered, ideally in the onMounted method. However, I am unsure how to achieve this using the Compositions API. Here is a snippet of my code:

setup() {
   const store = useStore();

   //store.dispatch(Actions.LOAD_COMMUNITY);
   onMounted(() => {
     store.dispatch(Actions.LOAD_COMMUNITY);
     setCurrentPageTitle(this.community.communityName);
   });

   return {
     community: computed(() => store.getters.currentCommunity),
   };
 },

Unfortunately, when attempting this approach, I encounter a "Cannot find name 'community'" error and using this.community does not resolve the issue.

If anyone has any insights or solutions on how to tackle this problem, I would greatly appreciate your assistance.

Answer №1

this should not be utilized when using the composition API and setup. The component instance is not accessible in setup but can be retrieved using getCurrentInstance() under special circumstances.

The correct approach would be:

   const group = computed(() => store.getters.currentGroup),

   onMounted(() => {
     ...
     setCurrentPageTitle(unref(group).groupName);
   });

   return { group };

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