init

lib/format.ts

@@ -0,0 +1,30 @@
+import { format } from "date-fns";
+import { pl } from "date-fns/locale";
+
+export function formatDate(date: Date): string {
+  return format(date, "d MMMM yyyy, HH:mm", { locale: pl });
+}
+
+export function formatDateShort(date: Date): string {
+  return format(date, "d MMM yyyy", { locale: pl });
+}
+
+export function formatDuration(seconds: number): string {
+  const h = Math.floor(seconds / 3600);
+  const m = Math.floor((seconds % 3600) / 60);
+  const s = Math.floor(seconds % 60);
+  if (h > 0) {
+    return `${h}:${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`;
+  }
+  return `${m}:${String(s).padStart(2, "0")}`;
+}
+
+export function formatDistance(meters: number): string {
+  return `${(meters / 1000).toFixed(2)} km`;
+}
+
+export function formatPace(secPerKm: number): string {
+  const m = Math.floor(secPerKm / 60);
+  const s = Math.round(secPerKm % 60);
+  return `${m}:${String(s).padStart(2, "0")} /km`;
+}