@sodacore/i18n
Version:
Sodacore i18n is a plugin that offers internationalisation and localisation support for the Sodacore framework.
108 lines (107 loc) • 4.66 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { BaseService, Service } from '@sodacore/core';
import { Inject } from '@sodacore/di';
import { Glob } from 'bun';
import { resolve } from 'node:path';
import process from 'node:process';
let I18nService = class I18nService extends BaseService {
constructor() {
super(...arguments);
this._hasTranslations = false;
this.translations = {};
}
async init() {
this.logger.info('[I18N]: Initialising the i18n service.');
// Set the translations path based on the config or default to './translations'.
this.translationsPath = this.config?.translationsPath
? this.config.translationsPath.startsWith('./')
? resolve(process.cwd(), this.config.translationsPath)
: this.config.translationsPath
: resolve(process.cwd(), './translations');
// Get the file paths.
const tFilePaths = await this.getFilePaths();
if (!tFilePaths || tFilePaths.length === 0) {
this.logger.error('[I18N]: No translation files found or unable to access the translations directory.');
return;
}
// Let's load the contents of the translation files.
this.translations = await this.loadTranslations(tFilePaths);
// Log the found translation files.
this.logger.info(`[I18N]: Found ${tFilePaths.length} translation file(s).`);
}
hasTranslations() {
return this._hasTranslations;
}
translate(query, languageCode, fallback) {
if (!this._hasTranslations)
throw new Error('[I18N]: No translations available.');
if (this.translations[languageCode]) {
return this.translations[languageCode][query] || (fallback ?? query); // Return the translation or the original query if not found.
}
return (fallback ?? query); // Return the original query if the language code is not found.
}
getAvailableLanguages(lower) {
if (!this._hasTranslations)
return [];
const defaultLang = this.config?.defaultLang || 'en-GB';
const availableLanguages = lower ? Object.keys(this.translations).map(lang => lang.toLowerCase()) : Object.keys(this.translations);
return [defaultLang, ...availableLanguages];
}
async getFilePaths() {
const files = [];
const glob = new Glob(`*.json`);
try {
// Scan and add the files.
for await (const file of glob.scan({
cwd: this.translationsPath,
onlyFiles: true,
absolute: true,
})) {
files.push(file);
this._hasTranslations = true;
}
return files;
}
catch {
return null;
}
}
async loadTranslations(filePaths) {
const translations = {};
for (const filePath of filePaths) {
try {
const content = await Bun.file(filePath).json();
const fileName = filePath.split('/').pop()?.replace('.json', '');
if (!fileName)
throw new Error(`Invalid file name: ${filePath}`);
const [lang, country] = fileName.toLowerCase().split('-') || [];
translations[fileName.toLowerCase()] = {
_lang: lang ?? 'en',
_code: fileName,
_country: country ?? 'gb',
...content,
};
}
catch (error) {
this.logger.error(`[I18N]: Error loading translation file "${filePath}": ${error}`);
}
}
return translations;
}
};
__decorate([
Inject('@i18n:config'),
__metadata("design:type", Object)
], I18nService.prototype, "config", void 0);
I18nService = __decorate([
Service()
], I18nService);
export default I18nService;