add support for blog

composables/relativeDate.ts

@@ -0,0 +1,10 @@
+import dayjs from 'dayjs'
+import relativeTime from 'dayjs/plugin/relativeTime'
+import 'dayjs/locale/en'
+
+dayjs.extend(relativeTime)
+
+export const useRelativeDate = (date: string) => {
+  dayjs.locale('en')
+  return dayjs().to(dayjs(date))
+}