mirror of
https://github.com/coder/code-server.git
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Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'
This commit is contained in:
Joe Previte
314
lib/vscode/src/vs/base/node/languagePacks.js
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314
lib/vscode/src/vs/base/node/languagePacks.js
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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//@ts-check
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/**
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* @param {NodeRequire} nodeRequire
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* @param {typeof import('path')} path
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* @param {typeof import('fs')} fs
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* @param {typeof import('../common/performance')} perf
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*/
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function factory(nodeRequire, path, fs, perf) {
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/**
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* @param {string} file
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* @returns {Promise<boolean>}
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*/
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function exists(file) {
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return new Promise(c => fs.exists(file, c));
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}
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/**
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* @param {string} file
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* @returns {Promise<void>}
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*/
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function touch(file) {
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return new Promise((c, e) => { const d = new Date(); fs.utimes(file, d, d, err => err ? e(err) : c()); });
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}
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/**
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* @param {string} file
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* @returns {Promise<object>}
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*/
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function lstat(file) {
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return new Promise((c, e) => fs.lstat(file, (err, stats) => err ? e(err) : c(stats)));
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}
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/**
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* @param {string} dir
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* @returns {Promise<string[]>}
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*/
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function readdir(dir) {
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return new Promise((c, e) => fs.readdir(dir, (err, files) => err ? e(err) : c(files)));
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}
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/**
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* @param {string} dir
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* @returns {Promise<string>}
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*/
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function mkdirp(dir) {
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return new Promise((c, e) => fs.mkdir(dir, { recursive: true }, err => (err && err.code !== 'EEXIST') ? e(err) : c(dir)));
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}
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/**
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* @param {string} dir
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* @returns {Promise<void>}
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*/
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function rmdir(dir) {
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return new Promise((c, e) => fs.rmdir(dir, err => err ? e(err) : c(undefined)));
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}
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/**
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* @param {string} file
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* @returns {Promise<void>}
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*/
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function unlink(file) {
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return new Promise((c, e) => fs.unlink(file, err => err ? e(err) : c(undefined)));
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}
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/**
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* @param {string} location
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* @returns {Promise<void>}
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*/
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function rimraf(location) {
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return lstat(location).then(stat => {
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if (stat.isDirectory() && !stat.isSymbolicLink()) {
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return readdir(location)
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.then(children => Promise.all(children.map(child => rimraf(path.join(location, child)))))
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.then(() => rmdir(location));
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} else {
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return unlink(location);
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}
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}, err => {
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if (err.code === 'ENOENT') {
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return undefined;
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}
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throw err;
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});
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}
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function readFile(file) {
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return new Promise(function (resolve, reject) {
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fs.readFile(file, 'utf8', function (err, data) {
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if (err) {
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reject(err);
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return;
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}
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resolve(data);
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});
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});
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}
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/**
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* @param {string} file
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* @param {string} content
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* @returns {Promise<void>}
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*/
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function writeFile(file, content) {
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return new Promise(function (resolve, reject) {
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fs.writeFile(file, content, 'utf8', function (err) {
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if (err) {
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reject(err);
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return;
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}
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resolve();
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});
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});
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}
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/**
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* @param {string} userDataPath
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* @returns {object}
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*/
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function getLanguagePackConfigurations(userDataPath) {
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const configFile = path.join(userDataPath, 'languagepacks.json');
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try {
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return nodeRequire(configFile);
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} catch (err) {
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// Do nothing. If we can't read the file we have no
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// language pack config.
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}
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return undefined;
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}
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/**
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* @param {object} config
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* @param {string} locale
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*/
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function resolveLanguagePackLocale(config, locale) {
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try {
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while (locale) {
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if (config[locale]) {
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return locale;
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} else {
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const index = locale.lastIndexOf('-');
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if (index > 0) {
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locale = locale.substring(0, index);
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} else {
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return undefined;
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}
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}
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}
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} catch (err) {
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console.error('Resolving language pack configuration failed.', err);
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}
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return undefined;
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}
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/**
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* @param {string} commit
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* @param {string} userDataPath
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* @param {string} metaDataFile
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* @param {string} locale
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*/
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function getNLSConfiguration(commit, userDataPath, metaDataFile, locale) {
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if (locale === 'pseudo') {
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return Promise.resolve({ locale: locale, availableLanguages: {}, pseudo: true });
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}
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if (process.env['VSCODE_DEV']) {
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return Promise.resolve({ locale: locale, availableLanguages: {} });
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}
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// We have a built version so we have extracted nls file. Try to find
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// the right file to use.
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// Check if we have an English or English US locale. If so fall to default since that is our
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// English translation (we don't ship *.nls.en.json files)
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if (locale && (locale === 'en' || locale === 'en-us')) {
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return Promise.resolve({ locale: locale, availableLanguages: {} });
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}
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const initialLocale = locale;
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perf.mark('nlsGeneration:start');
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const defaultResult = function (locale) {
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perf.mark('nlsGeneration:end');
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return Promise.resolve({ locale: locale, availableLanguages: {} });
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};
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try {
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if (!commit) {
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return defaultResult(initialLocale);
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}
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const configs = getLanguagePackConfigurations(userDataPath);
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if (!configs) {
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return defaultResult(initialLocale);
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}
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locale = resolveLanguagePackLocale(configs, locale);
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if (!locale) {
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return defaultResult(initialLocale);
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}
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const packConfig = configs[locale];
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let mainPack;
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if (!packConfig || typeof packConfig.hash !== 'string' || !packConfig.translations || typeof (mainPack = packConfig.translations['vscode']) !== 'string') {
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return defaultResult(initialLocale);
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}
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return exists(mainPack).then(fileExists => {
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if (!fileExists) {
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return defaultResult(initialLocale);
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}
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const packId = packConfig.hash + '.' + locale;
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const cacheRoot = path.join(userDataPath, 'clp', packId);
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const coreLocation = path.join(cacheRoot, commit);
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const translationsConfigFile = path.join(cacheRoot, 'tcf.json');
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const corruptedFile = path.join(cacheRoot, 'corrupted.info');
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const result = {
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locale: initialLocale,
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availableLanguages: { '*': locale },
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_languagePackId: packId,
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_translationsConfigFile: translationsConfigFile,
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_cacheRoot: cacheRoot,
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_resolvedLanguagePackCoreLocation: coreLocation,
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_corruptedFile: corruptedFile
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};
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return exists(corruptedFile).then(corrupted => {
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// The nls cache directory is corrupted.
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let toDelete;
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if (corrupted) {
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toDelete = rimraf(cacheRoot);
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} else {
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toDelete = Promise.resolve(undefined);
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}
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return toDelete.then(() => {
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return exists(coreLocation).then(fileExists => {
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if (fileExists) {
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// We don't wait for this. No big harm if we can't touch
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touch(coreLocation).catch(() => { });
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perf.mark('nlsGeneration:end');
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return result;
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}
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return mkdirp(coreLocation).then(() => {
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return Promise.all([readFile(metaDataFile), readFile(mainPack)]);
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}).then(values => {
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const metadata = JSON.parse(values[0]);
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const packData = JSON.parse(values[1]).contents;
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const bundles = Object.keys(metadata.bundles);
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const writes = [];
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for (const bundle of bundles) {
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const modules = metadata.bundles[bundle];
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const target = Object.create(null);
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for (const module of modules) {
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const keys = metadata.keys[module];
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const defaultMessages = metadata.messages[module];
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const translations = packData[module];
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let targetStrings;
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if (translations) {
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targetStrings = [];
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for (let i = 0; i < keys.length; i++) {
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const elem = keys[i];
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const key = typeof elem === 'string' ? elem : elem.key;
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let translatedMessage = translations[key];
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if (translatedMessage === undefined) {
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translatedMessage = defaultMessages[i];
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}
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targetStrings.push(translatedMessage);
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}
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} else {
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targetStrings = defaultMessages;
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}
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target[module] = targetStrings;
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}
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writes.push(writeFile(path.join(coreLocation, bundle.replace(/\//g, '!') + '.nls.json'), JSON.stringify(target)));
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}
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writes.push(writeFile(translationsConfigFile, JSON.stringify(packConfig.translations)));
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return Promise.all(writes);
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}).then(() => {
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perf.mark('nlsGeneration:end');
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return result;
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}).catch(err => {
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console.error('Generating translation files failed.', err);
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return defaultResult(locale);
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});
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});
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});
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});
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});
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} catch (err) {
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console.error('Generating translation files failed.', err);
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return defaultResult(locale);
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}
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}
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return {
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getNLSConfiguration
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};
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}
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if (typeof define === 'function') {
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// amd
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define(['path', 'fs', 'vs/base/common/performance'], function (path, fs, perf) { return factory(require.__$__nodeRequire, path, fs, perf); });
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} else if (typeof module === 'object' && typeof module.exports === 'object') {
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const path = require('path');
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const fs = require('fs');
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const perf = require('../common/performance');
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module.exports = factory(require, path, fs, perf);
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} else {
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throw new Error('Unknown context');
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}
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