79 lines
1.8 KiB
JavaScript
79 lines
1.8 KiB
JavaScript
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/*
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* Copyright 2022 Sangoma Technologies Corporation
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* Kevin Harwell <kharwell@sangoma.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const utils = require("./utils");
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/**
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* Supported languages
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*/
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const supported = [
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"en-US",
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];
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/**
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* Converts languages to a comma separated string of language names.
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*
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* @param {Object|Object[]} objs - Languages to convert
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* @return {string} A comma separated string of language names.
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*/
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function toString(objs) {
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if (!Array.isArray(objs)) {
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objs = [objs];
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}
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return objs.join(", ");
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}
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/** @class Languages. */
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class Languages {
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/**
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* Creates an instance of Languages.
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*
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* @param {Object} options - Language options
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*/
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constructor(options) {
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this.languages = options.languages ?
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utils.intersect(supported, options.languages) : supported;
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this.selected = this.languages[0]; // Default to first in list
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}
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/**
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* Selects the first matching language between supported and given languages
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*
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* @param {Object|Object[]} languages - Languages to intersect with supported
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* @return The first selected language
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*/
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first(languages) {
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try {
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let res = utils.first(this.languages, languages);
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if (res) {
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return res;
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}
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} catch (e) {
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}
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throw new Error("Language " + toString(languages) + " not supported");
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}
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};
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module.exports = {
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Languages,
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}
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