mirror of https://github.com/node-red/node-red.git
65 lines
2.0 KiB
JavaScript
65 lines
2.0 KiB
JavaScript
/**
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* Copyright 2015 IBM Corp.
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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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var fs = require('fs');
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var path = require('path');
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var i18n;
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var supportedLangs = [];
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var apiLocalDir = path.resolve(path.join(__dirname,"locales"));
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var initSupportedLangs = function() {
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fs.readdir(apiLocalDir, function(err,files) {
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if(!err) {
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supportedLangs = files;
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}
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});
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}
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function determineLangFromHeaders(acceptedLanguages){
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var lang = i18n.defaultLang;
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acceptedLanguages = acceptedLanguages || [];
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for (var i=0;i<acceptedLanguages.length;i++){
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if (supportedLangs.indexOf(acceptedLanguages[i]) !== -1){
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lang = acceptedLanguages[i];
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break;
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// check the language without the country code
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} else if (supportedLangs.indexOf(acceptedLanguages[i].split("-")[0]) !== -1) {
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lang = acceptedLanguages[i].split("-")[0];
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break;
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}
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}
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return lang;
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}
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module.exports = {
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init: function(runtime) {
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i18n = runtime.i18n;
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initSupportedLangs();
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},
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get: function(req,res) {
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var namespace = req.params[0];
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namespace = namespace.replace(/\.json$/,"");
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var lang = determineLangFromHeaders(req.acceptsLanguages() || []);
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var prevLang = i18n.i.lng();
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i18n.i.setLng(lang, function(){
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var catalog = i18n.catalog(namespace,lang);
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res.json(catalog||{});
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});
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i18n.i.setLng(prevLang);
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},
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determineLangFromHeaders: determineLangFromHeaders
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}
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