Express.js multilanguage with i18n-node

Question

Express.js multilanguage with i18n-node

How to call controller with express.js routing?

app.get('*', function(req, res, next) {
    var regExp = /^\/([a-z]{2})(\/|$)/gi,
        exec = regExp.exec(req.url);

    exec = exec != null ? exec[1] : undefined;

    if(exec == undefined) {
        // add language prefix to link
    }
    else {
        i18n.setLocale(exec);
        // add language prefix to link
    }
    next();
});

If I open the page /about I need to get url like this: http://example.com/en/about. How I can do it and how to display call 'about' controller?

app.get('/about', function(req, res) {
    console.log('Here is about');
    res.send('Hello, World');
});

Not suitable: app.get('(en|de|ru)/about', ...)

Thanks in advance.

javascript
node.js
express

Answer 1

You could do something like

app.get('/:language/about', function(req, res) {
    var language = req.params.language;
    i18n.setLocale(language);
});

For multiple routes you could maybe do this

controllers.js

module.exports = {
    about: function(req, res) {
        res.send('about');
    }
}

app.js

var controllers = require('./controllers');
app.all('/:language/:controller', function(req, res) {
    i18n.setLocale(req.params.language);
    controllers[req.params.controller](req, res);
});