.

src/lib/site.ts

@@ -0,0 +1,33 @@
+export const SITE_URL = 'https://blog.wypark.me';
+export const SITE_NAME = 'WYPark Blog';
+export const DEFAULT_DESCRIPTION = '개발 블로그';
+
+const API_DATE_TIMEZONE = '+09:00';
+const TIMEZONE_SUFFIX_PATTERN = /(z|[+-]\d{2}:?\d{2})$/i;
+
+const trimSubMilliseconds = (value: string) => {
+  return value.replace(/(\.\d{3})\d+/, '$1');
+};
+
+const withApiTimezone = (value: string) => {
+  if (TIMEZONE_SUFFIX_PATTERN.test(value)) return value;
+  if (/^\d{4}-\d{2}-\d{2}$/.test(value)) return `${value}T00:00:00${API_DATE_TIMEZONE}`;
+
+  return `${value}${API_DATE_TIMEZONE}`;
+};
+
+export const getCanonicalUrl = (path = '/') => {
+  return new URL(path, SITE_URL).toString();
+};
+
+export const parseApiDate = (value?: string | null, fallback = new Date()) => {
+  if (!value) return fallback;
+
+  const date = new Date(withApiTimezone(trimSubMilliseconds(value.trim())));
+
+  if (Number.isNaN(date.getTime())) return fallback;
+
+  const now = new Date();
+  return date > now ? now : date;
+};
+