add message if no parameters

client-nuxt/components/WorkflowInvocation.vue

@@ -17,7 +17,12 @@
           </template>
         </v-expansion-panel-header>
         <v-expansion-panel-content>
-          <v-list-item v-for="k in Object.keys(step.job.params)" :key="k" dense>
+          <v-template v-if="Object.keys(step.job.params).length > 0">
+            <v-list-item
+              v-for="k in Object.keys(step.job.params)"
+              :key="k"
+              dense
+            >
               <template #default>
                 <v-list-item-content>
                   <v-list-item-subtitle>
@@ -31,6 +36,14 @@
                 </v-list-item-content></template
               >
             </v-list-item>
+          </v-template>
+          <v-card v-else flat>
+            <v-card-text>
+              <v-alert text type="info">
+                No parameter to set
+              </v-alert></v-card-text
+            ></v-card
+          >
         </v-expansion-panel-content></v-expansion-panel
       >
     </v-expansion-panels>