jarv.is/components/relative-time.tsx

"use client";

import { useMountedState } from "react-use";
import TimeAgo from "react-timeago";
import Time from "@/components/time";
import type { ComponentPropsWithoutRef } from "react";

const RelativeTime = ({
  date,
  ...rest
}: ComponentPropsWithoutRef<"time"> & {
  date: string;
}) => {
  // play nice with SSR -- only use relative time on the client, since it'll quickly become outdated on the server and
  // cause a react hydration mismatch error.
  const isMounted = useMountedState();

  if (!isMounted) {
    return <Time date={date} format="MMM d, y" {...rest} />;
  }

  return <TimeAgo date={date} {...rest} />;
};

export default RelativeTime;