Guide
I18n

i18n

The i18n_msg_manage function is a helper function for retrieving messages from the message catalog using the MessageCatalog class.

Parameters

  • code: The code of the message to retrieve.
  • language: The language code (e.g., 'en', 'es') specifying the language of the message to retrieve.

Message Catalogs

Message catalogs are JSON files containing key-value pairs where the keys represent message codes and the values represent the corresponding messages in the specified language.

Automatic i18n Directory Detection

Automatically detects the i18n directory within the project's directory structure. If found, it loads the catalog file corresponding to the specified language.

Example Message Catalogs

English (en.json):

{
    "NOT_FOUND": "Not found",
    "SUCCESS_LOGIN": "Success Login"
}

Spanish (es.json):

{
    "NOT_FOUND": "No hemos podido encontrarlo",
    "SUCCESS_LOGIN": "Inicio de Sesión satisfactorio"
}
// app.js
const express = require('express');
const { i18n_msg_manage } = require('apiutils.js');
 
const app = express();
 
app.use((req, res, next) => {
  req.headers.lng = req.headers['accept-language'] || 'en';
  next();
});
 
app.get('/users', (req, res) => {
  res.status(404).json({
    msg: i18n_msg_manage(req.headers.lng, 'NOT_FOUND')
  });
});
 
app.listen(3000, () => {
  console.log('Server running in port 3000');
});