blob: 6e841794f812ed7fa92d268599f31ff72330eedb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/**
* Copyright (c) 2018 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IDisposable } from 'common/Types';
/**
* Adds a disposable listener to a node in the DOM, returning the disposable.
* @param type The event type.
* @param handler The handler for the listener.
*/
export function addDisposableDomListener(
node: Element | Window | Document,
type: string,
handler: (e: any) => void,
options?: boolean | AddEventListenerOptions
): IDisposable {
node.addEventListener(type, handler, options);
let disposed = false;
return {
dispose: () => {
if (disposed) {
return;
}
disposed = true;
node.removeEventListener(type, handler, options);
}
};
}
|
