exclude custom prefix

src/app/components/toast/toast.component.html

 <div class="toast-holder">
     <div *ngFor="let toast of toasts | keyvalue">
-        <div class="toast {{toast.value.type}}">
+        <div class="toast {{getDrugstoneClass(toast.value.type)}}">
             <a (click)="close(toast.key)" aria-label="close" class="close">
                 <span class="icon" title="Close analysis">
                     <i class="fas fa-times" aria-hidden="true"></i>

src/app/components/toast/toast.component.ts

@@ -13,6 +13,8 @@ export class ToastComponent implements OnInit {
 
   public toastIdPrefix = 'drugstone-toast-id-';
 
+
+
   constructor(public toast: ToastService) { }
 
   ngOnInit(): void {
@@ -21,6 +23,10 @@ export class ToastComponent implements OnInit {
     })
   }
 
+  public getDrugstoneClass(type: string) {
+    return 'drugstone-plugin-' + type
+  }
+
   public close(id: number) {
     this.toast.deleteToast(id);
   }