32 lines
862 B
TypeScript
32 lines
862 B
TypeScript
/**
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* Locale-aware walking-distance formatting.
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*
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* Distances are stored as Int meters. Under 1000 m they render as whole
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* meters, above that as kilometers with one decimal (e.g. "1.2 km"). Reused by
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* the tracking card, the team leaderboards and the profile distances.
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*/
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export function useFormatDistance() {
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const { locale } = useI18n();
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function formatDistance(meters: number | null | undefined): string {
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const value = meters ?? 0;
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const loc = locale.value || 'en';
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if (value < 1000) {
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return new Intl.NumberFormat(loc, {
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style: 'unit',
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unit: 'meter',
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maximumFractionDigits: 0
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}).format(Math.round(value));
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}
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return new Intl.NumberFormat(loc, {
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style: 'unit',
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unit: 'kilometer',
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maximumFractionDigits: 1
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}).format(value / 1000);
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}
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return { formatDistance };
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}
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