import fs from 'fs'; import {sync as globSync} from 'glob'; import {sync as mkdirpSync} from 'mkdirp'; import chalk from 'chalk'; import prompt from 'prompt'; const MESSAGES_PATTERN = `../dist/messages/**/*.json`; const LANG_DIR = `../src/i18n`; const DEFAULT_LOCALE = 'en'; const SUPPORTED_LANGS = [DEFAULT_LOCALE].concat('ru', 'be'); /** * Aggregates the default messages that were extracted from the app's * React components via the React Intl Babel plugin. An error will be thrown if * there are messages in different components that use the same `id`. The result * is a flat collection of `id: message` pairs for the app's default locale. */ let idToFileMap = {}; let duplicateIds = []; let defaultMessages = globSync(MESSAGES_PATTERN) .map((filename) => [filename, JSON.parse(fs.readFileSync(filename, 'utf8'))]) .reduce((collection, [file, descriptors]) => { descriptors.forEach(({id, defaultMessage}) => { if (collection.hasOwnProperty(id)) { duplicateIds.push(id); } collection[id] = defaultMessage; idToFileMap[id] = (idToFileMap[id] || []).concat(file); }); return collection; }, {}); if (duplicateIds.length) { console.log('\nFound duplicated ids:'); duplicateIds.forEach((id) => console.log(`${chalk.yellow(id)}:\n - ${idToFileMap[id].join('\n - ')}\n`)); console.log(chalk.red('Please correct the errors above to proceed further!')); return; } duplicateIds = null; idToFileMap = null; /** * Making a diff with the previous DEFAULT_LOCALE version */ const defaultMessagesPath = `${LANG_DIR}/${DEFAULT_LOCALE}.json`; let keysToUpdate = []; let keysToAdd = []; let keysToRemove = []; const isNotMarked = (value) => value.slice(0, 2) !== '--'; try { const prevMessages = JSON.parse(fs.readFileSync(defaultMessagesPath, 'utf8')); keysToAdd = Object.keys(defaultMessages).filter((key) => !prevMessages[key]); keysToRemove = Object.keys(prevMessages).filter((key) => !defaultMessages[key]).filter(isNotMarked); keysToUpdate = Object.entries(prevMessages).reduce((acc, [key, message]) => acc.concat(defaultMessages[key] && defaultMessages[key] !== message ? key : []) , []); } catch(err) { console.log(chalk.yellow(`Can not read ${defaultMessagesPath}. The new file will be created.`), err); } if (!keysToAdd.length && !keysToRemove.length && !keysToUpdate.length) { return console.log(chalk.green('Everything is up to date!')); } console.log(chalk.magenta(`The diff relative to default locale (${DEFAULT_LOCALE}) is:`)); if (keysToRemove.length) { console.log('The following keys will be removed:'); console.log(chalk.red('\n - ') + keysToRemove.join(chalk.red('\n - ')) + '\n'); } if (keysToAdd.length) { console.log('The following keys will be added:'); console.log(chalk.green('\n + ') + keysToAdd.join(chalk.green('\n + ')) + '\n'); } if (keysToUpdate.length) { console.log('The following keys will be updated:'); console.log(chalk.yellow('\n @ ') + keysToUpdate.join(chalk.yellow('\n @ ')) + '\n'); } prompt.start(); prompt.get({ properties: { apply: { description: 'Apply changes? [Y/n]', pattern: /^y|n$/i, message: 'Please enter "y" or "n"', default: 'y', before: (value) => value.toLowerCase() === 'y' } } }, (err, resp) => { console.log('\n'); if (err || !resp.apply) { return console.log(chalk.red('Aborted')); } buildLocales(); console.log(chalk.green('All locales was successfuly built')); }); function buildLocales() { mkdirpSync(LANG_DIR); SUPPORTED_LANGS.map((lang) => { const destPath = `${LANG_DIR}/${lang}.json`; let newMessages = {}; try { newMessages = JSON.parse(fs.readFileSync(destPath, 'utf8')); } catch (err) { console.log(chalk.yellow(`Can not read ${destPath}. The new file will be created.`), err); } keysToRemove.forEach((key) => { delete newMessages[key]; }); keysToUpdate.forEach((key) => { newMessages[`--${key}`] = newMessages[key]; }); keysToAdd.concat(keysToUpdate).forEach((key) => { newMessages[key] = defaultMessages[key]; }); const sortedKeys = Object.keys(newMessages).sort((a, b) => { a = a.replace(/^\-+/, ''); b = b.replace(/^\-+/, ''); return a < b || !isNotMarked(a) ? -1 : 1; }); const sortedNewMessages = sortedKeys.reduce((acc, key) => { acc[key] = newMessages[key]; return acc; }, {}); fs.writeFileSync(destPath, JSON.stringify(sortedNewMessages, null, 4) + '\n'); }); }