blob: fcadbef95b3893711ae11edf710034cf58790e9a (
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
31
32
33
34
35
36
37
38
39
40
|
/* eslint-disable import/prefer-default-export */
/**
* @name debounce
* @description
* Creates a debounced function that delays invoking func until
* after delayMs milliseconds have elapsed since the last time the
* debounced function was invoked.
*
* @param delayMs - delay in milliseconds
* @param immediate - Specify invoking on the leading edge of the timeout
* (Defaults to trailing)
*
*(f: F): (...args: Parameters<F>) => void
*/
export function debounce<F extends (...args: any[]) => any>(
fn: F,
delayMs: number,
immediate = false,
): (...args: Parameters<F>) => void {
let timerId;
return function debounced(...args) {
const shouldCallNow = immediate && !timerId;
clearTimeout(timerId);
if (shouldCallNow) {
fn.apply(this, args);
}
timerId = setTimeout(() => {
timerId = null;
if (!immediate) {
fn.apply(this, args);
}
}, delayMs);
};
}
export const DEFAULT_MOUSE_OVER_DELAY = 300;
|
