File size: 731 Bytes
8fdc036
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
31
import { tick } from "svelte";

/**
 * Svelte action to handle clicks outside of a DOM node
 * @param node DOM node to check the click is outside of
 * @param callback callback function to call if click is outside
 * @returns svelte action return object with destroy method to remove event listener
 */
export function click_outside(
	node: Node,
	callback: (arg: MouseEvent) => void
): any {
	const handle_click = (event: MouseEvent): void => {
		if (
			node &&
			!node.contains(event.target as Node) &&
			!event.defaultPrevented
		) {
			callback(event);
		}
	};

	document.addEventListener("mousedown", handle_click, true);

	return {
		destroy() {
			document.removeEventListener("mousedown", handle_click, true);
		}
	};
}