mirror of https://github.com/node-red/node-red.git
86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
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/**
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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 i18n = require("i18next");
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var when = require("when");
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var path = require("path");
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var fs = require("fs");
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var resourceMap = {
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"messages": path.resolve(__dirname+"/../locales")
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}
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function registerMessageCatalog(namespace,dir) {
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return when.promise(function(resolve,reject) {
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resourceMap[namespace] = dir;
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i18n.loadNamespace(namespace,function() {
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resolve();
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});
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});
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}
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var MessageFileLoader = {
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fetchOne: function(lng, ns, callback) {
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if (resourceMap[ns]) {
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var file = path.join(resourceMap[ns],lng,"messages.json");
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fs.readFile(file,"utf8",function(err,content) {
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if (err) {
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callback(err);
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} else {
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try {
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callback(null, JSON.parse(content.replace(/^\uFEFF/, '')));
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} catch(e) {
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callback(e);
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}
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}
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});
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} else {
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callback(new Error("Unrecognised namespace"));
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}
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}
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}
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function init() {
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return when.promise(function(resolve,reject) {
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i18n.backend(MessageFileLoader);
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i18n.init({
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ns: {
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namespaces: ["messages"],
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defaultNs: "messages"
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},
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fallbackLng: ['en-US']
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},function() {
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resolve();
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});
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});
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}
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var obj = module.exports = {
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init: init,
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registerMessageCatalog: registerMessageCatalog
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}
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obj['_'] = function() {
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//var opts = {};
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//if (def) {
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// opts.defaultValue = def;
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//}
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return i18n.t.apply(null,arguments);
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}
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