app router

src/app/utils/index.ts

@@ -0,0 +1,19 @@
+export default function age() {
+	const BIRTHDATE = process.env.NEXT_PUBLIC_BIRTHDATE;
+	if (!BIRTHDATE) {
+		console.warn("Missing environment variable: BIRTHDATE");
+		return 0;
+	}
+
+	return Math.floor(
+		(new Date().getTime() - new Date(BIRTHDATE).getTime()) / 3.15576e10,
+	);
+}
+
+export const truncate = (str: string, n: number): string => {
+	if (str.length > n) {
+		const truncated = str.slice(0, n - 3).trimEnd();
+		return `${truncated}...`;
+	}
+	return str.trim();
+};