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77 lines
2.0 KiB
JavaScript
77 lines
2.0 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const path = require('path');
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const utils = require('./utils');
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const paths = require('./constants').paths;
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const Languages = module.exports;
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const languagesPath = path.join(__dirname, '../build/public/language');
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const files = fs.readdirSync(path.join(paths.nodeModules, '/timeago/locales'));
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Languages.timeagoCodes = files.filter(f => f.startsWith('jquery.timeago')).map(f => f.split('.')[2]);
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Languages.get = async function (language, namespace) {
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const data = await fs.promises.readFile(path.join(languagesPath, language, namespace + '.json'), 'utf8');
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return JSON.parse(data) || {};
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};
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let codeCache = null;
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Languages.listCodes = async function () {
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if (codeCache && codeCache.length) {
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return codeCache;
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}
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try {
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const file = await fs.promises.readFile(path.join(languagesPath, 'metadata.json'), 'utf8');
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const parsed = JSON.parse(file);
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codeCache = parsed.languages;
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return parsed.languages;
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} catch (err) {
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if (err.code === 'ENOENT') {
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return [];
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}
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throw err;
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}
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};
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let listCache = null;
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Languages.list = async function () {
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if (listCache && listCache.length) {
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return listCache;
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}
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const codes = await Languages.listCodes();
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let languages = await Promise.all(codes.map(async function (folder) {
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try {
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const configPath = path.join(languagesPath, folder, 'language.json');
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const file = await fs.promises.readFile(configPath, 'utf8');
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const lang = JSON.parse(file);
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return lang;
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} catch (err) {
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if (err.code === 'ENOENT') {
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return;
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}
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throw err;
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}
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}));
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// filter out invalid ones
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languages = languages.filter(lang => lang && lang.code && lang.name && lang.dir);
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listCache = languages;
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return languages;
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};
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Languages.userTimeagoCode = async function (userLang) {
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const languageCodes = await Languages.listCodes();
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const timeagoCode = utils.userLangToTimeagoCode(userLang);
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if (languageCodes.includes(userLang) && Languages.timeagoCodes.includes(timeagoCode)) {
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return timeagoCode;
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}
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return '';
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};
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require('./promisify')(Languages);
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