Telegram Mini AppsClosingBehaviour
Controls the application closing behavior. There is more information about this functionality in this documentation.
Initialization
Component constructor accepts closing confirmation needed flag and optional function to call Telegram Mini Apps methods.
typescript
import { postEvent } from '@tma.js/bridge';
import { ClosingBehaviour } from '@tma.js/sdk';
const closingBehaviour = new ClosingBehaviour(false, postEvent);import { postEvent } from '@tma.js/bridge';
import { ClosingBehaviour } from '@tma.js/sdk';
const closingBehaviour = new ClosingBehaviour(false, postEvent);Closing confirmation
To enable and disable closing confirmation, it is required to use enableConfirmation() and disableConfirmation() methods. These methods update isConfirmationNeeded property:
typescript
closingBehaviour.enableConfirmation();
console.log(closingBehaviour.isConfirmationNeeded); // true
closingBehaviour.disableConfirmation();
console.log(closingBehaviour.isConfirmationNeeded); // falseclosingBehaviour.enableConfirmation();
console.log(closingBehaviour.isConfirmationNeeded); // true
closingBehaviour.disableConfirmation();
console.log(closingBehaviour.isConfirmationNeeded); // falseEvents
List of events, which could be used in on and off component instance methods:
isConfirmationNeededChanged: (isConfirmationNeeded: boolean) => void