fix ci

frontend/main.ts

@@ -29,6 +29,16 @@ function setCurrentdate(input: HTMLInputElement) {
   }
 }
 
+interface ChoiceBoatEvent extends Event{
+  detail: {
+    value: string; 
+    label: string,
+    customProperties: {
+	amount_seats: number,
+    }
+  };
+}
+
 function selectBoatChange() {
   const boatSelect = <HTMLSelectElement>document.querySelector('#boat_id');
 
@@ -41,7 +51,8 @@ function selectBoatChange() {
     } as any);
 
     boatSelect.addEventListener('addItem', function(e) {
-	const amount_seats = e.detail.customProperties.amount_seats;
+	const event = e as ChoiceBoatEvent;
+	const amount_seats = event.detail.customProperties.amount_seats;
 	setMaxAmountRowers("newrower", amount_seats);
 
         const inputElement = document.getElementById("departure") as HTMLInputElement;
@@ -75,7 +86,7 @@ function reloadPage() {
 function setMaxAmountRowers(name: string, rowers: number) {
 	console.log("called fct: name="+name+"; rowers="+rowers);
   if(choiceObjects[name]) {
-    choiceObjects[name].removeActiveItems();
+    choiceObjects[name].removeActiveItems(-1);
     //let curSelection = choiceObjects[name].getValue(true);
     //let amount_to_delete = (<any>curSelection).length - rowers;
 
@@ -157,7 +168,6 @@ interface ChoiceEvent extends Event{
 	is_cox: boolean,
 	steers: boolean,
 	cox_on_boat: boolean,
-	amount_seats: number,
     }
   };
 }