🐛 Fixed error when search too short

ProjetProgWeb/app.js

@@ -72,7 +72,13 @@ function apiRequestThese(search, offset) {
             .then(data => {
                 fetch(`api.php?q=count&search=${searchString}&option=${queryOption}&offset=0`)
                     .then(response => response.json())
-                    .then(aCount => displayResults(data, aCount.data[0]))
+                    .then(aCount => {
+                        if (aCount.data) {
+                            displayResults(data, aCount.data[0])
+                        } else {
+                            displayResults(data, 0)
+                        }
+                    })
             })
     } else {
         alert('Veuillez attendre une seconde entre chaque recherche.')