Files
im_webapp/scripts/i18n.js
T

128 lines
4.4 KiB
JavaScript

// 1. Updates translations files with new messages, mark no longer needed translations as obsolete.
// 2. Takes all translations and groups them into a single file.
// 3. When called with parameters 'missing' or 'obsolete' writes missing and obsolete translations to console.
const fs = require('fs');
const path = require('path');
const globSync = require('glob').sync;
const mkdirpSync = require('mkdirp').sync;
const EXTRACTED_STRINGS = './src/i18n/ex/base-en.json';
const BASE_LANG = 'en';
const LANG_DIR = './src/i18n/';
const LANG_PATTERN = './src/i18n/*.json';
const LANG_PATTERN_ONE = './src/i18n/%s.json';
const FINAL_FILE = './src/messages.json';
const args = process.argv.slice(2);
function getLocaleFromFileName(filename) {
const parts = filename.split('/');
return parts[parts.length - 1].split('.json')[0];
}
function printf(str) {
const args = [].slice.call(arguments, 1);
let i = 0;
return str.replace(/%s/g, () => args[i++]);
}
// Called with one or two parameters?
if (args[0] == 'missing' || args[0] == 'obsolete') {
// Extract missing or obsolete translations as requested.
// Read either all or just one translation.
const pattern = args[1] ? printf(LANG_PATTERN_ONE, args[1]) : LANG_PATTERN;
const extracted = globSync(pattern)
.map((filename) => {
const locale = getLocaleFromFileName(filename);
const translated = JSON.parse(fs.readFileSync(filename, 'utf8'));
const dest = {};
// Copy messages while skipping missing and obsolete ones.
for (let key in translated) {
if ((args[0] == 'missing' && translated[key].missing) ||
(args[0] == 'obsolete' && translated[key].obsolete)) {
dest[key] = translated[key];
}
}
return { [locale]: dest };
})
.reduce((collection, descriptors) => {
return { ...collection, ...descriptors };
}, {});
console.log(JSON.stringify(extracted, null, 2)+"\n");
return;
}
// The formatjs/cli saves extracted messages into a file {'message_id': {defaultMessage: 'default message text', description: '...'}, ...}.
// Rewrite them into a single file en.json {'message_id': 'default message text', }.
// Read master-set of messages in default language.
const baseMessages = JSON.parse(fs.readFileSync(EXTRACTED_STRINGS, 'utf8'));
// Find messages present in baseMessages but missing in translations and vice versa.
// Mark missing or obsolete messages as such.
globSync(LANG_PATTERN)
.map((filename) => {
const translated = JSON.parse(fs.readFileSync(filename, 'utf8'));
const locale = getLocaleFromFileName(filename);
// Refresh existing entries with possible new descriptions and default messages, add missing.
Object.entries(baseMessages).forEach((ent) => {
const [key, value] = ent;
let translation = translated[key] ? translated[key].translation : "";
if (!translation && locale == BASE_LANG) {
translation = value.defaultMessage;
}
translated[key] = {
translation: translation,
defaultMessage: value.defaultMessage,
description: value.description,
missing: !translation,
obsolete: false
};
});
// Find no longer needed messages.
Object.entries(translated).forEach((ent) => {
const [key, value] = ent;
if (!baseMessages[key] && translated[key]) {
// Obsolete, no longer missing.
translated[key].missing = !translated[key].translation;
translated[key].obsolete = true;
}
});
fs.writeFileSync(filename, JSON.stringify(translated, null, 2)+"\n");
});
// Combine all translations into a single json {"lang_1": {...}, "lang_2: {...}"}
// while removing messages marked as missing or obsolete.
// Read all translations.
const messages = globSync(LANG_PATTERN)
.map((filename) => {
const locale = getLocaleFromFileName(filename);
const translated = JSON.parse(fs.readFileSync(filename, 'utf8'));
const dest = {};
// Copy messages while skipping missing and obsolete ones.
for (let key in translated) {
if (!translated[key].missing && !translated[key].obsolete) {
dest[key] = translated[key].translation;
}
}
return { [locale]: dest };
})
.reduce((collection, descriptors) => {
return { ...collection, ...descriptors };
}, {});
// Write a file with all translations combined.
mkdirpSync(path.dirname(FINAL_FILE));
fs.writeFileSync(FINAL_FILE, JSON.stringify(messages));