app/composables/data/useEntityFetch.ts

import {useAsyncData, AsyncData} from "#app";
import {File} from "~/models/Core/File";
import {useEntityManager} from "~/composables/data/useEntityManager";
import ApiResource from "~/models/ApiResource";
import {Ref} from "@vue/reactivity";

export const useEntityFetch = (model: typeof ApiResource, id: Ref<number>, lazy: boolean = false): AsyncData<ApiResource, ApiResource | true> => {
    const em = useEntityManager()

    //@ts-ignore
    return useAsyncData(
        File.entity + '_' + id.value, // TODO: je me demande si on a besoin de cette clé? (https://v3.nuxtjs.org/api/composables/use-async-data#params)
        () => em.fetch(File, id.value),
        { lazy }
    )
}