/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */ import UntypedJed from 'jed' ; import logging from '../utils/logging' ; import { Jed , TranslatorConfig , Locale , Translations , LocaleData , LanguagePack , } from './types' ; const DEFAULT_LANGUAGE_PACK = { domain : 'superset' , locale_data : { superset : { '' : { domain : 'superset' , lang : 'en' , plural_forms : 'nplurals=2; plural=(n != 1)' , } , } , } , } ; export default class Translator { i18n : Jed ; locale : Locale ; constructor ( config = { } ) { const { languagePack = DEFAULT_LANGUAGE_PACK } = config ; this . i18n = new UntypedJed ( languagePack ) as Jed ; this . locale = this . i18n . options . locale_data . superset [ '' ] . lang as Locale ; } /**
     * Add additional translations on the fly, used by plugins.
     */ addTranslation ( key , texts ) { const translations = this . i18n . options . locale_data . superset ; if ( key in translations ) { logging . warn ( `Duplicate translation key "${ key }", will override.` ) ; } translations [ key ] = texts ; } /**
     * Add a series of translations.
     */ addTranslations ( translations ) { if ( translations && ! Array . isArray ( translations ) ) { Object . entries ( translations ) . forEach ( ( [ key , vals ] ) => this . addTranslation ( key , vals ) ) ; } else { logging . warn ( 'Invalid translations' ) ; } } addLocaleData ( data ) { const translations = data ?. [ this . locale ] || data ?. en ; if ( translations ) { this . addTranslations ( translations ) ; } else { logging . warn ( 'Invalid locale data' ) ; } } translate ( input , ... args ) { return this . i18n . translate ( input ) . fetch ( ... args ) ; } translateWithNumber ( key , ... args ) { const [ plural , num , ... rest ] = args ; if ( typeof plural === 'number' ) { return this . i18n . translate ( key ) . ifPlural ( plural , key ) . fetch ( plural , num , ... args ) ; } return this . i18n . translate ( key ) . ifPlural ( num as number , plural as string ) . fetch ( ... rest ) ; } }