monetochka/monetochka.cjs.js

Simple, fast and zero-dependency currency formatting library

'use strict';

const symbols = {
    BTC: '₿',
    LTC: null,
    ETH: null,
    USDT: 'USD₮',
    JPYT: 'JPY₮',
    EURT: 'EUR₮',
    BCH: null,
    DASH: 'Dash',
    AED: 'د.إ.‏',
    ARS: '$',
    AUD: 'A$',
    BRL: 'R$',
    CAD: 'CA$',
    CHF: 'CHF',
    CLP: '$',
    CNY: '¥',
    COP: '$',
    CZK: 'Kč',
    DKK: 'kr',
    DOP: 'RD$',
    EGP: '£',
    EUR: '€',
    GBP: '£',
    HKD: 'HK$',
    HRK: 'kn',
    HUF: 'Ft',
    IDR: 'Rp',
    INR: '₹',
    IRR: '﷼',
    JPY: '¥',
    KES: 'KSh',
    KRW: '₩',
    KZT: '₸',
    MAD: '.د.م',
    MXN: 'MX$',
    MYR: 'RM',
    NGN: '₦',
    NOK: 'kr',
    NZD: 'NZ$',
    PEN: 'S/.',
    PHP: '₱',
    PKR: '₨',
    PLN: 'zł',
    RON: 'lei',
    RUB: '₽',
    SAR: '.ر.س',
    SEK: 'kr',
    SGD: 'S$',
    THB: '฿',
    TRY: '₺',
    TZS: 'TSh',
    UAH: '₴',
    USD: '$',
    VEF: 'Bs',
    VND: '₫',
    ZAR: 'R',
};
const defaultLocales = {
    BTC: 'crypto',
    LTC: 'crypto',
    ETH: 'crypto',
    USDT: 'crypto',
    JPYT: 'crypto',
    EURT: 'crypto',
    BCH: 'crypto',
    DASH: 'crypto',
    AED: 'ar-AE',
    ARS: 'es-AR',
    AUD: 'en',
    BRL: 'pt-BR',
    CAD: 'en-CA',
    CHF: 'de-CH',
    CLP: 'es-CL',
    CNY: 'zh-Hans-CN',
    COP: 'es-CO',
    CZK: 'cs',
    DKK: 'da-DK',
    DOP: 'es-DO',
    EGP: 'ar-EG',
    EUR: 'en',
    GBP: 'en',
    HKD: 'zh-Hans-HK',
    HRK: 'hr-HR',
    HUF: 'hu-HU',
    IDR: 'id',
    INR: 'en-IN',
    IRR: 'fa-IR',
    JPY: 'ja',
    KES: 'en-KE',
    KRW: 'ko-KR',
    KZT: 'kk',
    MAD: 'ar',
    MXN: 'es-MX',
    MYR: 'ms-MY',
    NGN: 'en-NG',
    NOK: 'nb-NO',
    NZD: 'en-NZ',
    PEN: 'es-PE',
    PHP: 'fil',
    PKR: 'ur-PK',
    PLN: 'pl',
    RON: 'ro',
    RUB: 'ru',
    SAR: 'ar-SA',
    SEK: 'sv-SE',
    SGD: 'en-SG',
    THB: 'th',
    TRY: 'tr-TR',
    TZS: 'sw-TZ',
    UAH: 'uk',
    USD: 'en-US',
    VEF: 'es-VE',
    VND: 'vi',
    ZAR: 'zu',
};
const locales = {
    'crypto': { g: ',', d: '.', fMax: 8, t: '@ !' },
    'ar': { g: ',', d: '.', f: 2, t: '! @' },
    'ar-AE': { h: 'ar' },
    'ar-EG': { h: 'ar' },
    'ar-SA': { h: 'ar' },
    'cs': { g: ' ', d: ',', f: 2, t: '@ !' },
    'da': { g: '.', d: ',', f: 2, t: '@ !' },
    'da-DK': { h: 'da' },
    'de-CH': { g: '’', d: '.', f: 2, t: '! @' },
    'en': { g: ',', d: '.', f: 2, t: '!@' },
    'en-CA': { h: 'en' },
    'en-IN': { g: ',', d: '.', f: 2, t: '! @' },
    'en-KE': { h: 'en' },
    'en-NG': { h: 'en' },
    'en-NZ': { h: 'en' },
    'en-SG': { h: 'en' },
    'en-US': { h: 'en' },
    'es': { g: '.', d: ',', f: 2, t: '@ !' },
    'es-AR': { g: '.', d: ',', f: 2, t: '! @' },
    'es-CL': { g: '.', d: ',', f: 0, t: '!@' },
    'es-CO': { g: '.', d: ',', f: 2, t: '! @' },
    'es-DO': { h: 'es' },
    'es-MX': { h: 'es' },
    'es-PE': { h: 'es' },
    'es-VE': { g: '.', d: ',', f: 2, t: '!@' },
    'fa': { g: ',', d: '.', f: 2, t: '!@' },
    'fa-IR': { h: 'fa' },
    'fil': { g: ',', d: '.', f: 2, t: '!@' },
    'hr': { g: '.', d: ',', f: 2, t: '@ !' },
    'hr-HR': { h: 'hr' },
    'hu': { g: ' ', d: ',', f: 2, t: '@ !' },
    'hu-HU': { h: 'hu' },
    'id': { g: '.', d: ',', f: 2, t: '!@' },
    'ja': { g: ',', d: '.', f: 0, t: '!@' },
    'kk': { g: ' ', d: ',', f: 2, t: '@ !' },
    'ko': { g: ',', d: '.', f: 0, t: '!@' },
    'ko-KR': { h: 'ko' },
    'ms': { g: ',', d: '.', f: 2, t: '!@' },
    'ms-MY': { h: 'ms' },
    'nb': { g: ' ', d: ',', f: 2, t: '! @' },
    'nb-NO': { h: 'nb' },
    'pl': { g: ' ', d: ',', f: 2, t: '@ !' },
    'pt': { g: '.', d: ',', f: 2, t: '!@' },
    'pt-BR': { h: 'pt' },
    'ro': { g: '.', d: ',', f: 2, t: '@ !' },
    'ru': { g: ' ', d: ',', f: 2, t: '@ !' },
    'sv': { g: ' ', d: ',', f: 2, t: '@ !' },
    'sv-SE': { h: 'sv' },
    'sw': { g: ',', d: '.', f: 2, t: '!@' },
    'sw-TZ': { h: 'sw' },
    'th': { g: ',', d: '.', f: 2, t: '!@' },
    'tr': { g: '.', d: ',', f: 2, t: '@ !' },
    'tr-TR': { h: 'tr' },
    'uk': { g: ' ', d: ',', f: 2, t: '@ !' },
    'ur': { g: ',', d: '.', f: 2, t: '! @' },
    'ur-PK': { h: 'ur' },
    'vi': { g: '.', d: ',', f: 0, t: '@ !' },
    'zh': { g: ',', d: '.', f: 2, t: '!@' },
    'zh-Hans-CN': { h: 'zh' },
    'zh-Hans-HK': { h: 'zh' },
    'zu': { g: ',', d: '.', f: 2, t: '!@' },
};

const siRound = (value, options) => {
    if (value < 1000 || !options.siRounding)
        return [value, ''];
    const units = options.siUnits;
    let decimal;
    for (let i = units.length - 1; i >= 0; i--) {
        decimal = Math.pow(1000, i + 1);
        if (value <= -decimal || value >= decimal) {
            return [value / decimal, units[i]];
        }
    }
};

const numberFormat = (siAmount, options, localeSettings) => {
    const [amount, siPostfix] = siAmount;
    let minimumFractionDigits = typeof localeSettings.f !== 'undefined'
        ? localeSettings.f
        : 0;
    if (typeof options.fractionDigits !== 'undefined' || typeof options.maximumFractionDigits !== 'undefined') {
        minimumFractionDigits = typeof options.fractionDigits === 'undefined'
            ? options.maximumFractionDigits
            : options.fractionDigits;
    }
    let maximumFractionDigits = typeof localeSettings.fMax !== 'undefined'
        ? localeSettings.fMax
        : typeof localeSettings.f !== 'undefined'
            ? localeSettings.f
            : options.fractionDigits;
    if (options.siRounding && amount < 1000) {
        minimumFractionDigits = options.siPrecision;
        maximumFractionDigits = options.siPrecision;
    }
    const localeString = amount.toLocaleString(`${options.locale}-u-nu-latn`, {
        minimumFractionDigits,
        maximumFractionDigits,
    });
    return `${localeString}${siPostfix}`;
};

const defaultSiUnits = ['K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
const defaultOptions = {
    isCrypto: false,
    siPrecision: 0,
    siRounding: false,
    siUnits: defaultSiUnits,
    throwOnError: false,
    errorValue: '—',
};
const throwErr = (message, options, e) => {
    if (options.throwOnError) {
        throw (e || new Error(message));
    }
    return options.errorValue;
};
const format = (amount, currency, options = {}) => {
    const mergedOptions = Object.assign({}, defaultOptions, options);
    if (Number.isNaN(amount) || !Number.isFinite(amount)) {
        return throwErr('The amount is not countable (NaN or Infinity)', mergedOptions);
    }
    if (typeof amount !== 'number') {
        return throwErr(`Wrong amount type (${typeof amount})`, mergedOptions);
    }
    if (typeof currency !== 'string') {
        return throwErr(`Wrong currency type (${typeof amount})`, mergedOptions);
    }
    const currencyLocale = defaultLocales[currency] ? defaultLocales[currency] : 'en';
    if (!mergedOptions.locale)
        mergedOptions.locale = currencyLocale;
    const currencySymbol = symbols[currency] && currencyLocale !== 'crypto' ? symbols[currency] : currency;
    const formatRules = locales[currencyLocale].h
        ? locales[locales[currencyLocale].h]
        : locales[currencyLocale];
    let amountWithSI;
    let formattedAmount;
    try {
        amountWithSI = siRound(amount, mergedOptions);
        formattedAmount = numberFormat(amountWithSI, mergedOptions, formatRules);
    }
    catch (e) {
        return throwErr(`Can't parse a value`, mergedOptions, e);
    }
    return formatRules.t
        .replace('!', currencySymbol)
        .replace('@', formattedAmount);
};

const parse = (string, currency) => {
    const currencyLocale = defaultLocales[currency] ? defaultLocales[currency] : 'en';
    const formatRules = locales[currencyLocale].h
        ? locales[locales[currencyLocale].h]
        : locales[currencyLocale];
    let cleanedString = string;
    if (symbols[currency])
        cleanedString = cleanedString.replace(symbols[currency], '');
    cleanedString = cleanedString.replace(currency, '');
    cleanedString = cleanedString.trim();
    cleanedString = cleanedString.split(formatRules.g).join('');
    cleanedString = cleanedString.replace(formatRules.d, '.');
    return parseFloat(cleanedString);
};

var index = { format, parse };

module.exports = index;