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var _ = require("lodash");
var path = require("path");
var fs = require("fs");
var i18n = require("i18n");
var I18N_PATH = path.resolve(__dirname, "../../theme/i18n/")
var DEFAULT_LANGUAGE = "en";
var LOCALES = _.map(fs.readdirSync(I18N_PATH), function(lang) {
return path.basename(lang, ".json");
});
i18n.configure({
locales: LOCALES,
directory: I18N_PATH,
defaultLocale: DEFAULT_LANGUAGE,
updateFiles: false
});
var compareLocales = function(lang, locale) {
var langMain = _.first(lang.split("-"));
var langSecond = _.last(lang.split("-"));
var localeMain = _.first(locale.split("-"));
var localeSecond = _.last(locale.split("-"));
if (locale == lang) return 100;
if (localeMain == langMain) return 50;
if (localeSecond == langSecond) return 20;
return 0;
};
var normalizeLanguage = _.memoize(function(lang) {
var language = _.chain(LOCALES)
.values()
.map(function(locale) {
return {
locale: locale,
score: compareLocales(lang, locale)
}
})
.filter(function(lang) {
return lang.score > 0;
})
.sortBy("score")
.pluck("locale")
.last()
.value();
return language || lang;
});
var translate = function(locale, phrase) {
var args = Array.prototype.slice.call(arguments, 2);
return i18n.__.apply({}, [{
locale: locale,
phrase: phrase
}].concat(args));
};
var getCatalog = function(locale) {
locale = normalizeLanguage(locale);
return i18n.getCatalog(locale);
};
var getLocales = function() {
return LOCALES;
};
var hasLocale = function(locale) {
return _.contains(LOCALES, locale);
}
module.exports = {
__: translate,
normalizeLanguage: normalizeLanguage,
getCatalog: getCatalog,
getLocales: getLocales,
hasLocale: hasLocale
};
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