// require modules | |
var express = require('express'), | |
i18n = require('i18n'), | |
hbs = require('hbs'), | |
app = module.exports = express(); | |
i18n.configure({ | |
locales: ['en', 'fr'], | |
cookie: 'locale', | |
directory: "" + __dirname + "/locales" | |
}); | |
app.configure(function () { | |
// setup hbs | |
app.set('views', "" + __dirname + "/views"); | |
app.set('view engine', 'hbs'); | |
app.engine('hbs', hbs.__express); | |
// you'll need cookies | |
app.use(express.cookieParser()); | |
// init i18n module for this loop | |
app.use(i18n.init); | |
}); | |
// register hbs helpers in res.locals' context which provides this.locale | |
hbs.registerHelper('__', function () { | |
return i18n.__.apply(this, arguments); | |
}); | |
hbs.registerHelper('__n', function () { | |
return i18n.__n.apply(this, arguments); | |
}); | |
// serving homepage | |
app.get('/', function (req, res) { | |
res.render('index'); | |
}); | |
// startup | |
app.listen(3000); |
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@Ajar-Ajar, second that. I'm using cordova, closure.js, handlebars and i18n for a project. So far, it's quite difficult to integrate i18n with closure.js. @mashpie, is there any way to get this working with those libraries? |
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How are those two Handlebars helpers defined in the res.local context? They're outside of any middleware. |
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@mashpie Unfortunately my implementation following this tutorial doesn't work. Default Hungarian translation works, but any content from app.js: var express = require('express'),
bodyParser = require('body-parser'),
cookieParser = require('cookie-parser'),
exphbs = require('express-handlebars'),
i18n = require('i18n');
var app = express();
app.engine('.hbs', exphbs({
extname: '.hbs',
defaultLayout: 'main',
helpers: {
__: function() { return i18n.__.apply(this, arguments); },
__n: function() { return i18n.__n.apply(this, arguments); }
}
}));
app.set('view engine', '.hbs');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
i18n.configure({
locales: ['hu', 'en'],
fallbacks: {'en': 'hu'},
defaultLocale: 'hu',
cookie: 'locale',
queryParameter: 'lang',
directory: __dirname + '/locales',
directoryPermissions: '755',
autoReload: true,
updateFiles: true,
api: {
'__': '__', //now req.__ becomes req.__
'__n': '__n' //and req.__n can be called as req.__n
}
});
app.use(i18n.init);
app.use('/', require('./routes/portfolio')); views/portfolio.hbs: <span id="text">{{{__ "text to test"}}}</span> locales/hu.json: {
"text to test": "text to test on hungarian"
} locales/en.json: {
"text to test": "text to test on english"
} Edit: Solved with placing i18n's code in front of the routers and I activating the language switch simply with cookies: // http://127.0.0.1:3000/hu
app.get('/hu', function (req, res) {
res.cookie('locale', 'hu', { maxAge: 900000, httpOnly: true });
res.redirect('back');
});
// http://127.0.0.1:3000/en
app.get('/en', function (req, res) {
res.cookie('locale', 'en', { maxAge: 900000, httpOnly: true });
res.redirect('back');
}); |
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@mashpie This way my translation called only with cookies, no way to know from the urls which language is used. domain.com/about-me url can be both hungarian and english translated page, depends on the cookie. Is it problem for search engines, like Google? |
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I had to move the helpers into a middleware, or all messages resolved in the context of app.use(function(req, res, next) {
hbs.registerHelper('__', function() {
return i18n.__.apply(req, arguments);
});
hbs.registerHelper('__n', function() {
return i18n.__n.apply(req, arguments);
});
next();
}); UPDATE: Don't do what I did -- re-registering with hbs on each request creates concurrency issues. Indeed, doing this inside of middleware is not necessary at all, as hbs has access to the current locale through the |
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I'm confused. the title of this document reads "express + i18n-node + handlebars", referring to |
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@eloquence thanks a lot! your method is fucking working! solved my problem. |
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hello, How is it reading the json files, Mine is going to the views/**.hbs but it is not reading the json file properly. need help |
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Thank you, this piece helped me |
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Hi @mashpie
Are there any other examples for using handlebars with i18n-node, this is great for a first "hello world" example but what about real life examples? different grammar, hence different word locations in different locales etc... it would also help to see along with i18n configuration+route logic+view template - the generated json file for static text and working along with dynamic data localized text coming from the db.
This is what developers will end up wanting to do pretty quickly while localizing an app and the example is leaving you to guess all of these trivial parts...