| 1 | "use client"; |
| 2 | |
| 3 | import { useState, useEffect } from "react"; |
| 4 | |
| 5 | function format(ms: number): string { |
| 6 | if (ms < 1000) return "<1s"; |
| 7 | const s = Math.floor(ms / 1000); |
| 8 | if (s < 60) return `${s}s`; |
| 9 | const m = Math.floor(s / 60); |
| 10 | const rem = s % 60; |
| 11 | return rem > 0 ? `${m}m ${rem}s` : `${m}m`; |
| 12 | } |
| 13 | |
| 14 | function parseDate(dateStr: string): number { |
| 15 | const normalized = dateStr.endsWith("Z") || dateStr.includes("+") || dateStr.includes("T") |
| 16 | ? dateStr |
| 17 | : dateStr + "Z"; |
| 18 | return new Date(normalized).getTime(); |
| 19 | } |
| 20 | |
| 21 | export function ElapsedTime({ since }: { since: string }) { |
| 22 | const [elapsed, setElapsed] = useState<number | null>(null); |
| 23 | |
| 24 | useEffect(() => { |
| 25 | const update = () => { |
| 26 | setElapsed(Math.max(0, Date.now() - parseDate(since))); |
| 27 | }; |
| 28 | update(); |
| 29 | const interval = setInterval(() => { |
| 30 | update(); |
| 31 | }, 1000); |
| 32 | return () => clearInterval(interval); |
| 33 | }, [since]); |
| 34 | |
| 35 | if (elapsed === null) return <>--</>; |
| 36 | return <>{format(elapsed)}</>; |
| 37 | } |
| 38 | |