47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
/** Pad number to 2 digits */
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export function pad(n) {
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return n.toString().padStart(2, "0");
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}
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/** Format seconds as M:SS (e.g. 1:05) */
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export function formatTime(seconds) {
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if (!seconds || isNaN(seconds)) return "0:00";
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const m = Math.floor(seconds / 60);
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const s = Math.floor(seconds % 60).toString().padStart(2, "0");
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return `${m}:${s}`;
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}
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/** Format seconds as human duration (e.g. 2m 30s) */
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export function formatDuration(seconds) {
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if (!seconds) return "";
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const m = Math.floor(seconds / 60);
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const s = Math.round(seconds % 60);
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return m > 0 ? `${m}m ${s}s` : `${s}s`;
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}
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/** Format ISO timestamp as D Mon HH:MM (e.g. 15 Mar 18:11) */
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export function formatTimestamp(iso) {
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if (!iso) return "";
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const d = new Date(iso);
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return d.toLocaleDateString("en-GB", { day: "numeric", month: "short" }) +
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" " + d.toLocaleTimeString("en-GB", { hour: "2-digit", minute: "2-digit" });
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}
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/** Format seconds as SRT timestamp (HH:MM:SS,mmm) */
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export function formatTimeSRT(seconds) {
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const h = Math.floor(seconds / 3600);
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const m = Math.floor((seconds % 3600) / 60);
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const s = Math.floor(seconds % 60);
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const ms = Math.floor((seconds % 1) * 1000);
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return `${pad(h)}:${pad(m)}:${pad(s)},${ms.toString().padStart(3, "0")}`;
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}
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/** Format seconds as VTT timestamp (HH:MM:SS.mmm) */
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export function formatTimeVTT(seconds) {
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const h = Math.floor(seconds / 3600);
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const m = Math.floor((seconds % 3600) / 60);
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const s = Math.floor(seconds % 60);
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const ms = Math.floor((seconds % 1) * 1000);
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return `${pad(h)}:${pad(m)}:${pad(s)}.${ms.toString().padStart(3, "0")}`;
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}
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