Telegram Mini AppsClosingBehavior
Implements Telegram Mini Apps closing behavior functionality.
Initialization
Component constructor accepts closing confirmation needed flag and optional function to call Telegram Mini Apps methods.
typescript
import { ClosingBehavior, postEvent } from '@tma.js/sdk';
const closingBehaviour = new ClosingBehavior(false, postEvent);import { ClosingBehavior, postEvent } from '@tma.js/sdk';
const closingBehaviour = new ClosingBehavior(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:
| Event | Listener | Triggered when |
|---|---|---|
| change | () => void | Something in component changed |
| change:isConfirmationNeeded | (value: boolean) => void | isConfirmationNeeded property changed |