RocketChat/Rocket.Chat

#!/usr/bin/env ts-node

import { readFile } from 'fs/promises';
import path from 'path';

const translationDir = path.resolve(__dirname, '../packages/rocketchat-i18n/i18n/');

async function translationDiff(source: string, target: string) {
    console.debug('loading translations from', translationDir);

    function diffKeys(a: Record<string, string>, b: Record<string, string>) {
        const diff = {};
        Object.keys(a).forEach((key) => {
            if (!b[key]) {
                diff[key] = a[key];
            }
        });

        return diff;
    }

    const sourceTranslations = JSON.parse(await readFile(`${translationDir}/${source}.i18n.json`, 'utf8'));
    const targetTranslations = JSON.parse(await readFile(`${translationDir}/${target}.i18n.json`, 'utf8'));

    return diffKeys(sourceTranslations, targetTranslations);
}

const sourceLang = process.argv[2] || 'en';
const targetLang = process.argv[3] || 'de';
translationDiff(sourceLang, targetLang).then((diff) => {
    console.log('Diff between', sourceLang, 'and', targetLang);
    console.log(JSON.stringify(diff, undefined, 2));
});