31 lines
875 B
TypeScript
31 lines
875 B
TypeScript
import { useEffect, useState } from "react";
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import { NostrEvent } from "@snort/system";
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import { unixNow } from "@snort/shared";
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import { findTag } from "../utils";
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export function StreamTimer({ ev }: { ev?: NostrEvent }) {
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const [time, setTime] = useState("");
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function updateTime() {
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const starts = Number(findTag(ev, "starts") ?? unixNow());
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const diff = unixNow() - starts;
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const min = 60;
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const hour = min * 60;
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const hours = Math.floor(diff / hour);
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const mins = Math.floor((diff % hour) / min);
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const secs = Math.floor(diff % min);
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setTime(`${hours.toFixed(0).padStart(2, "0")}:${mins.toFixed(0).padStart(2, "0")}:${secs.toFixed(0).padStart(2, "0")}`);
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}
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useEffect(() => {
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updateTime();
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const t = setInterval(() => {
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updateTime();
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}, 1000);
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return () => clearInterval(t);
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}, []);
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return time;
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}
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