37 lines
1.2 KiB
TypeScript
37 lines
1.2 KiB
TypeScript
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export function formatTime(totalSeconds: number): string {
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const hours = Math.floor(totalSeconds / 3600);
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const minutes = Math.floor((totalSeconds % 3600) / 60);
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const seconds = Math.floor(totalSeconds % 60);
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const millis = Math.round((totalSeconds % 1) * 1000);
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const mm = String(minutes).padStart(2, '0');
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const ss = String(seconds).padStart(2, '0');
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const ms = String(millis).padStart(3, '0');
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if (hours > 0) {
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return `${hours}:${mm}:${ss}.${ms}`;
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}
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return `${mm}:${ss}.${ms}`;
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}
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export function parseTime(str: string): number | null {
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const hmsMatch = str.match(/^(\d+):(\d{2}):(\d{2})(?:\.(\d{1,3}))?$/);
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if (hmsMatch) {
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const h = parseInt(hmsMatch[1], 10);
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const m = parseInt(hmsMatch[2], 10);
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const s = parseInt(hmsMatch[3], 10);
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const ms = hmsMatch[4] ? parseInt(hmsMatch[4].padEnd(3, '0'), 10) : 0;
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return h * 3600 + m * 60 + s + ms / 1000;
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}
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const msMatch = str.match(/^(\d{2}):(\d{2})(?:\.(\d{1,3}))?$/);
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if (msMatch) {
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const m = parseInt(msMatch[1], 10);
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const s = parseInt(msMatch[2], 10);
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const ms = msMatch[3] ? parseInt(msMatch[3].padEnd(3, '0'), 10) : 0;
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return m * 60 + s + ms / 1000;
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}
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return null;
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}
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