Package Exports

react-i18nify

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Readme

react-i18nify

Simple i18n translation and localization components and helpers for React applications.

A working example of this package can be found here at Tonic.

If you're using Redux or Fluxible, feel free to use react-redux-i18n or react-fluxible-i18n instead.

Preparation

First install the package:

npm i react-i18nify --save

Next, load the translations and locale to be used:

var I18n = require('react-i18nify').I18n;

I18n.loadTranslations({
  en: {
    application: {
      title: 'Awesome app with i18n!',
      hello: 'Hello, %{name}!'
    },
    date: {
      long: 'MMMM Do, YYYY'
    },
    export_0: 'Nothing to export',
    export_1: 'Export %{count} item',
    export_plural: 'Export %{count} items'
  },
  nl: {
    application: {
      title: 'Toffe app met i18n!',
      hello: 'Hallo, %{name}!'
    },
    date: {
      long: 'D MMMM YYYY'
    },
    export_0: 'Niks te exporteren',
    export_1: 'Exporteer %{count} ding',
    export_plural: 'Exporteer %{count} dingen'
  }
});

I18n.setLocale('nl');

Alternatively, you can provide a callback to return the translations and locale to setTranslationsGetter and setLocaleGetter respectively.

var I18n = require('react-i18nify').I18n;

function translation() {
  return {
      en: {
        application: {
          title: 'Awesome app with i18n!',
          hello: 'Hello, %{name}!'
        },
        date: {
          long: 'MMMM Do, YYYY'
        },
        export: 'Export %{count} items'
        export_0: 'Nothing to export',
        export_1: 'Export %{count} item',
      },
      nl: {
        application: {
          title: 'Toffe app met i18n!',
          hello: 'Hallo, %{name}!'
        },
        date: {
          long: 'D MMMM YYYY'
        },
        export: 'Exporteer %{count} dingen'
        export_0: 'Niks te exporteren',
        export_1: 'Exporteer %{count} ding',
      }
  };
}

function locale() {
  return 'nl';
}

I18n.setTranslationsGetter(translation_plurals):
I18n.setLocaleGetter(locale);

Now you're all set up to start unleashing the power of react-i18nify!

Components

The easiest way to translate or localize in your React components is by using the Translate and Localize components:

var React = require('react');
var Translate = require('react-i18nify').Translate;
var Localize = require('react-i18nify').Localize;

var AwesomeComponent = React.createClass({
  render: function() {
    return (
      <div>
        <Translate value="application.title"/>
          // => returns '<span>Toffe app met i18n!</span>' for locale 'nl'
        <Translate value="application.hello" name="Aad"/>
          // => returns '<span>Hallo, Aad!</span>' for locale 'nl'
        <Localize value="2015-09-03" dateFormat="date.long"/>
          // => returns '<span>3 september 2015</span> for locale 'nl'
        <Localize value={10/3} options={{style: 'currency', currency: 'EUR', minimumFractionDigits: 2, maximumFractionDigits: 2}}/>
          // => returns '<span>€ 3,33</span> for locale 'nl'
        <Translate value="export" count={1} />
          // => returns '<span>Exporteer 1 ding</span> for locale 'nl'
        <Translate value="export" count={2} />
          // => returns '<span>Exporteer 2 dingen</span> for locale 'nl'
      </div>
    );
  }
});

Helpers

If for some reason, you cannot use the components, you can use the I18n.t and I18n.l helpers instead:

var I18n = require('react-i18nify').I18n;

I18n.t('application.title'); // => returns 'Toffe app met i18n!' for locale 'nl'
I18n.t('application.hello', {name: 'Aad'}); // => returns 'Hallo, Aad!' for locale 'nl'
I18n.t('export', {count: 0}); // => returns 'Niks te exporteren' for locale 'nl'
I18n.t('application.weird_key'); // => returns 'Weird key' as translation is missing

I18n.l(1385856000000, { dateFormat: 'date.long' }); // => returns '1 december 2013' for locale 'nl'
I18n.l(Math.PI, { maximumFractionDigits: 2 }); // => returns '3,14' for locale 'nl'

Supported localize options

The localize component and helper support all date formatting options as provided by the Javascript moment library. For the full list of options, see http://momentjs.com/docs/#/displaying/format/.

For number formatting, the localize component and helper support all options as provided by the Javascript built-in Intl.NumberFormat object. For the full list of options, see https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/NumberFormat.