export const isNumeric = (num: string | number) =>
	(typeof num === 'number' || (typeof num === 'string' && num.trim() !== '')) &&
	!isNaN(num as number);

export const pad = (n: string | number) => {
	if (n === null || n === undefined) {
		return '';
	}
	return ('0' + n).slice(-2);
};

export function debounce<F extends (...args: unknown[]) => unknown>(
	func: F,
	timeout = 100
): (this: ThisParameterType<F>, ...args: Parameters<F>) => void {
	let timer: ReturnType<typeof setTimeout>;
	return function (this: ThisParameterType<F>, ...args: Parameters<F>) {
		clearTimeout(timer);
		timer = setTimeout(() => {
			func.apply(this, args);
		}, timeout);
	};
}