intl_messages 2.0.3

Simple and easy internationalization and localization messages framework for Dart (integrated with package 'intl').

intl_messages

A Simple and easy library for Message Internationalization and Localization (I18N).

Main features:

• Structure of messages by package/module.

• Dynamic load of assets/files of messages.

• Global notification of locale change and registration/discovery of localized messages.

Usage

A simple usage example:

• Internationalization file msgs-en.intl:

  hello=Hello world! ## A description of the key.
  

• Internationalization file msgs-fr.intl:

  hello=Bonjour le monde!
  

• Dart code:

  import 'package:intl_messages/intl_messages.dart';
    
  main() async {
    
      var messages = IntlMessages.package("demo");
        
      IntlResourceDiscover discover = IntlResourceDiscover("assets/msgs-", ".intl") ;
      await messages.registerResourceDiscover(discover) ; // Default locale: 'en'. Discovered: assets/msgs-en.intl
        
      MessageBuilder msgHello = messages.msg("hello") ;
        
      print( msgHello.build() ) ; // Hello world!
        
      await messages.setLocale( 'fr' ) ; // Locale set to: 'fr'. Discovered: assets/msgs-fr.intl
        
      print( msgHello.build() ) ; // Bonjour le monde!
    
  }
  

Plurals:

Yes we have plurals ;-)

To use plurals you should declare messages using {...} blocks with conditions zero, one, two and many and respective variable name.

Here's an example of plural usage with variable n:

• Internationalization file msgs-en.intl:

  total_emails={zero[n]:No e-mails for \$user.|one[n]:One e-mail for \$user.|two[n]:A pair of e-mails for \$user.|many[n]:Received \$n e-mails for \$user.}
  

• Dart code:

  import 'package:intl_messages/intl_messages.dart';
    
  main() async {
    
      var messages = IntlMessages.package("demo-plural");
        
      IntlResourceDiscover discover = IntlResourceDiscover("assets/msgs-", ".intl") ;
      await messages.registerResourceDiscover(discover) ; // Default locale: 'en'. Discovered: assets/msgs-en.intl
        
      MessageBuilder msgEmail = messages.msg("total_emails") ;
        
      print( msgEmail.build({'n': 0, 'user': '[e-mail]'}) ) ; // No e-mails for [e-mail].
      print( msgEmail.build({'n': 1, 'user': '[e-mail]'}) ) ; // One e-mail for [e-mail].
      print( msgEmail.build({'n': 2, 'user': '[e-mail]'}) ) ; // A pair of e-mails for [e-mail].
      print( msgEmail.build({'n': 8, 'user': '[e-mail]'}) ) ; // Received 8 e-mails for [e-mail].
    
  }
  

Features and bugs

Please file feature requests and bugs at the issue tracker.

Author

Graciliano M. Passos: gmpassos@GitHub.

License

Dart free & open-source license.