#434

frontend/src/lib/dialogues/useDialogue.ts

@@ -41,6 +41,7 @@ type DialogueFormOptions = { title:         ReactNode
 			     description?:  ReactNode
 			     body:          (controls: DialogueFormControls) => ReactNode
 			     cancelText?:   ReactNode
+			     onCancel?:     () => Promise<boolean | void> | boolean | void
 			     footerLayout?: 'inline'
 			     size?:         'default' | 'large' | 'viewport' }