wip improvements but still problematic

src/lib/utils/index.ts

@@ -0,0 +1,23 @@
+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);
+	};
+}