Manage display of book covers

front/src/api.js

@@ -3,6 +3,11 @@ import { useAuthStore } from './auth.store.js'
 
 const baseUrl = "http://localhost:8080"
 
+export function getImagePathOrDefault(path) {
+  return (path == "" || typeof path === 'undefined') ?
+  "../defaultbook.png" : "http://localhost:8080" + path;
+}
+
 function useFetch(url) {
   const data = ref(null);
   const error = ref(null);