45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
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/**
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* This file is part of the SplendidBear Websites' projects.
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*
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* Copyright (c) 2026 @ www.splendidbear.org
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/** Formats a duration in seconds as MM:SS. */
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export const formatTime = seconds => {
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const mins = Math.floor(seconds / 60);
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const secs = seconds % 60;
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return `${String(mins).padStart(2, '0')}:${String(secs).padStart(2, '0')}`;
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};
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/**
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* Formats the difference between two 'YYYY-MM-DD HH:mm' strings as a
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* human-readable duration (e.g. "1h 4m 23s", "4m 23s", "23s").
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* Returns null when the inputs are missing or the diff is not positive.
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*/
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export const formatDuration = (from, to) => {
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if (!from || !to) return null;
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const diffMs = new Date(to.replace(' ', 'T')) - new Date(from.replace(' ', 'T'));
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if (isNaN(diffMs) || 0 >= diffMs) return null;
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const totalSec = Math.floor(diffMs / 1000);
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const h = Math.floor(totalSec / 3600);
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const m = Math.floor((totalSec % 3600) / 60);
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const s = totalSec % 60;
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if (0 < h) return `${h}h ${m}m ${s}s`;
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if (0 < m) return `${m}m ${s}s`;
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return `${s}s`;
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};
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/**
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* Formats an ISO timestamp as a "X min ago" string (minute resolution).
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* Returns 'just now' for differences under one minute.
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*/
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export const formatSince = isoStr => {
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const diff = Math.floor((Date.now() - new Date(isoStr)) / 60000);
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if (1 > diff) return 'just now';
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if (1 === diff) return '1 min ago';
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return `${diff} min ago`;
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};
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