77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
import assert from 'node:assert';
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import cloudron from './cloudron.js';
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import logger from './logger.js';
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import fs from 'node:fs';
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import path from 'node:path';
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import paths from './paths.js';
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import safe from 'safetydance';
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const { log } = logger('translation');
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// to be used together with getTranslations() => { translations, fallback }
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function translate(input, assets) {
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assert.strictEqual(typeof input, 'string');
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assert.strictEqual(typeof assets, 'object');
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assert.strictEqual(typeof assets.translations, 'object');
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assert.strictEqual(typeof assets.fallback, 'object');
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const { translations, fallback } = assets;
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const tokens = input.match(/{{(.*?)}}/gm);
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if (!tokens) return input;
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let output = input;
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for (const token of tokens) {
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const key = token.slice(2).slice(0, -2).trim();
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let value = key.split('.').reduce(function (acc, cur) {
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if (acc === null) return null;
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return typeof acc[cur] !== 'undefined' ? acc[cur] : null;
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}, translations);
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// try fallback
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if (value === null) value = key.split('.').reduce(function (acc, cur) {
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if (acc === null) return null;
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return typeof acc[cur] !== 'undefined' ? acc[cur] : null;
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}, fallback);
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if (value === null) value = token;
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output = output.replace(token, value);
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}
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return output;
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}
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async function getTranslations() {
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const fallbackData = fs.readFileSync(path.join(paths.TRANSLATIONS_DIR, 'en.json'), 'utf8');
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if (!fallbackData) log(`getTranslations: Fallback language en not found. ${safe.error.message}`);
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const fallback = safe.JSON.parse(fallbackData) || {};
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const lang = await cloudron.getLanguage();
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const translationData = safe.fs.readFileSync(path.join(paths.TRANSLATIONS_DIR, `${lang}.json`), 'utf8');
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if (!translationData) log(`getTranslations: Requested language ${lang} not found. ${safe.error.message}`);
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const translations = safe.JSON.parse(translationData) || {};
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return { translations, fallback };
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}
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async function listLanguages() {
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const [error, result] = await safe(fs.promises.readdir(paths.TRANSLATIONS_DIR));
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if (error) {
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log(`listLanguages: Failed to list translations. %${error.message}`);
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return [ 'en' ]; // we always return english to avoid dashboard breakage
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}
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const jsonFiles = result.filter(function (file) { return path.extname(file) === '.json'; });
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const languages = jsonFiles.map(function (file) { return path.basename(file, '.json'); });
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return languages;
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}
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export default {
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translate,
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getTranslations,
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listLanguages
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};
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