@aws-amplify/core
Version:
Core category of aws-amplify
114 lines (111 loc) • 3.14 kB
JavaScript
import { ConsoleLogger } from '../Logger/ConsoleLogger.mjs';
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
const logger = new ConsoleLogger('I18n');
/**
* Language translation utility.
*/
let I18n$1 = class I18n {
constructor() {
/**
* @private
*/
this._options = null;
/**
* @private
*/
this._lang = null;
/**
* @private
*/
this._dict = {};
}
/**
* Sets the default language from the configuration when required.
*/
setDefaultLanguage() {
// Default to window language if not set in instance
if (!this._lang &&
typeof window !== 'undefined' &&
window &&
window.navigator) {
this._lang = window.navigator.language;
}
logger.debug(this._lang);
}
/**
* @method
* Explicitly setting language
* @param {String} lang
*/
setLanguage(lang) {
this._lang = lang;
}
/**
* @method
* Get value
* @param {String} key
* @param {String} defVal - Default value
*/
get(key, defVal = undefined) {
this.setDefaultLanguage();
if (!this._lang) {
return typeof defVal !== 'undefined' ? defVal : key;
}
const lang = this._lang;
let val = this.getByLanguage(key, lang);
if (val) {
return val;
}
if (lang.indexOf('-') > 0) {
val = this.getByLanguage(key, lang.split('-')[0]);
}
if (val) {
return val;
}
return typeof defVal !== 'undefined' ? defVal : key;
}
/**
* @method
* Get value according to specified language
* @param {String} key
* @param {String} language - Specified langurage to be used
* @param {String} defVal - Default value
*/
getByLanguage(key, language, defVal = null) {
if (!language) {
return defVal;
}
const langDict = this._dict[language];
if (!langDict) {
return defVal;
}
return langDict[key];
}
/**
* @method
* Add vocabularies for one language
* @param {String} language - Language of the dictionary
* @param {Object} vocabularies - Object that has key-value as dictionary entry
*/
putVocabulariesForLanguage(language, vocabularies) {
let langDict = this._dict[language];
if (!langDict) {
langDict = this._dict[language] = {};
}
this._dict[language] = { ...langDict, ...vocabularies };
}
/**
* @method
* Add vocabularies for one language
* @param {Object} vocabularies - Object that has language as key,
* vocabularies of each language as value
*/
putVocabularies(vocabularies) {
Object.keys(vocabularies).forEach(key => {
this.putVocabulariesForLanguage(key, vocabularies[key]);
});
}
};
export { I18n$1 as I18n };
//# sourceMappingURL=I18n.mjs.map