wikijs-fork/server/core/localization.js

58 lines
1.5 KiB
JavaScript

const _ = require('lodash')
const dotize = require('dotize')
const i18nBackend = require('i18next-node-fs-backend')
const i18nMW = require('i18next-express-middleware')
const i18next = require('i18next')
const path = require('path')
const Promise = require('bluebird')
/* global WIKI */
module.exports = {
engine: null,
namespaces: [],
init() {
this.namespaces = WIKI.data.localeNamespaces
this.engine = i18next
this.engine.use(i18nBackend).init({
load: 'languageOnly',
ns: this.namespaces,
defaultNS: 'common',
saveMissing: false,
preload: [WIKI.config.site.lang],
lng: WIKI.config.site.lang,
fallbackLng: 'en',
backend: {
loadPath: path.join(WIKI.SERVERPATH, 'locales/{{lng}}/{{ns}}.yml')
}
})
return this
},
attachMiddleware (app) {
app.use(i18nMW.handle(this.engine))
},
async getByNamespace(locale, namespace) {
if (this.engine.hasResourceBundle(locale, namespace)) {
let data = this.engine.getResourceBundle(locale, namespace)
return _.map(dotize.convert(data), (value, key) => {
return {
key,
value
}
})
} else {
throw new Error('Invalid locale or namespace')
}
},
async loadLocale(locale) {
return Promise.fromCallback(cb => {
return this.engine.loadLanguages(locale, cb)
})
},
async setCurrentLocale(locale) {
return Promise.fromCallback(cb => {
return this.engine.changeLanguage(locale, cb)
})
}
}