26 lines
1.3 KiB
JavaScript
26 lines
1.3 KiB
JavaScript
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const cache = {}
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function nf(lang, opts) {
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const key = lang + JSON.stringify(opts)
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// 'always' groups 4-digit amounts too (pt-PT would otherwise print 9888,00 but 19 888,00)
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if (!cache[key]) cache[key] = new Intl.NumberFormat(lang === 'en' ? 'en-IE' : 'pt-PT', { useGrouping: 'always', ...opts })
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return cache[key]
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}
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export const eur = (v, lang, digits = 2) =>
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v == null ? '—' : nf(lang, { style: 'currency', currency: 'EUR', minimumFractionDigits: digits, maximumFractionDigits: digits }).format(v)
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export const num = (v, lang, digits = 2) =>
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v == null ? '—' : nf(lang, { minimumFractionDigits: digits, maximumFractionDigits: digits }).format(v)
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export const pct = (v, lang) =>
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v == null ? '—' : (v > 0 ? '+' : '') + nf(lang, { minimumFractionDigits: 2, maximumFractionDigits: 2 }).format(v) + '%'
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export const signedEur = (v, lang) => (v == null ? '—' : (v > 0 ? '+' : '') + eur(v, lang))
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export const dateTime = (iso, lang) =>
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iso ? new Date(iso).toLocaleString(lang === 'en' ? 'en-GB' : 'pt-PT', { dateStyle: 'short', timeStyle: 'short' }) : ''
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// Shows a stored expression in the user's decimal style: "839.67*12" -> "839,67*12" in Portuguese.
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export const exprForDisplay = (expr, lang) => (lang === 'pt' ? String(expr ?? '').replace(/\./g, ',') : String(expr ?? ''))
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