nuxt-locale/src/helpers/locale.js

Localisation for Nuxt.js

var LocaleCurrency = require('locale-currency');

export function validateLocale(locale) {

    if (typeof locale.iso !== 'string') {
        throw new Error('Locale should specify a ISO code');
    }

    if (!(/^[a-zA-Z]{2}-[a-zA-Z]{2}/.test(locale.iso))) {
        throw new Error('Locale ISO not correct');
    }
}

export function completeLocale(locale) {

    validateLocale(locale);

    const [language, regio] = locale.iso.split('-');

    // ISO correctness:
    locale.iso = language.toLowerCase() + '-' + regio.toUpperCase();

    // Language:
    if (!locale.language) {
        locale.language = language.toLowerCase();
    }

    // Regio:
    if (!locale.regio) {
        locale.regio = regio.toUpperCase();
    }

    // Currency:
    if (!locale.currency) {
        locale.currency = LocaleCurrency.getCurrency(locale.iso);
    }

    return locale;
}

export function completeLocaleISO(iso) {

    const [language, regio] = iso.split('-');
    
    return language.toLowerCase() + '-' + regio.toUpperCase();
}