formbricks/apps/web/lib/utils/debounce.ts

export type DebouncedFunction<T extends (...args: any[]) => void> = ((...args: Parameters<T>) => void) & {
  cancel: () => void;
};

export const debounce = <T extends (...args: any[]) => void>(
  callback: T,
  delay: number
): DebouncedFunction<T> => {
  let timeoutId: ReturnType<typeof setTimeout> | undefined;

  const debounced = ((...args: Parameters<T>) => {
    if (timeoutId !== undefined) {
      clearTimeout(timeoutId);
    }

    timeoutId = setTimeout(() => callback(...args), delay);
  }) as DebouncedFunction<T>;

  debounced.cancel = () => {
    if (timeoutId !== undefined) {
      clearTimeout(timeoutId);
      timeoutId = undefined;
    }
  };

  return debounced;
};