20 lines
461 B
TypeScript
20 lines
461 B
TypeScript
type Timer = ReturnType<typeof setTimeout>;
|
|
|
|
function debounce<T extends (...args: any[]) => any>(
|
|
func: T,
|
|
delay: number
|
|
): (...args: Parameters<T>) => void {
|
|
let timer: Timer;
|
|
|
|
return function (this: ThisParameterType<T>, ...args: Parameters<T>): void {
|
|
if (timer) {
|
|
clearTimeout(timer);
|
|
}
|
|
timer = setTimeout(() => {
|
|
func.apply(this, args);
|
|
}, delay);
|
|
};
|
|
}
|
|
|
|
export default debounce;
|