41 lines
1.8 KiB
TypeScript
41 lines
1.8 KiB
TypeScript
// Pure display formatters for the client panes (v0.9.0) — no game logic, unit-testable in node.
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const CURRENCY = new Intl.NumberFormat('en-US', { style: 'currency', currency: 'EUR' });
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export function formatCash(value: number): string {
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return CURRENCY.format(value);
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}
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// "6300 / 6300 L" — current value rounded (live fuel is fractional mid-flight).
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export function formatFuel(fuel: number, maxFuel: number): string {
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return `${Math.round(fuel)} / ${maxFuel} L`;
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}
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// The sim clock is epoch ms (seeded from real time) — shown as a UTC wall-clock with
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// seconds so the display is deterministic regardless of the viewer's timezone.
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export function formatSimClock(clockMs: number): string {
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const d = new Date(clockMs);
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const pad = (n: number) => String(n).padStart(2, '0');
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return `${d.getUTCFullYear()}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())} ${pad(d.getUTCHours())}:${pad(d.getUTCMinutes())}:${pad(d.getUTCSeconds())} UTC`;
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}
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// Compact game-time duration rounded to the minute: "2d 3h" / "14h 30m" / "45m".
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export function formatDuration(ms: number): string {
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const totalMin = Math.max(0, Math.round(ms / 60_000));
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const d = Math.floor(totalMin / (24 * 60));
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const h = Math.floor((totalMin % (24 * 60)) / 60);
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const m = totalMin % 60;
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if (d > 0) return `${d}d ${h}h`;
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if (h > 0) return `${h}h ${m}m`;
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return `${m}m`;
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}
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// Contract deadline relative to the sim clock: "in 14h 30m"; a passed deadline reads
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// "overdue" and a sub-minute one "now". Pure — unit-testable, no game logic.
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export function formatDeadlineRelative(deadlineMs: number, nowMs: number): string {
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const diff = deadlineMs - nowMs;
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if (diff <= 0) return 'overdue';
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if (diff < 60_000) return 'now'; // sub-minute — "in 1m" starts at a full minute
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return `in ${formatDuration(diff)}`;
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}
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