src/I18n.js


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import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { inject, observer } from 'mobx-react';
import { IntlProvider } from 'react-intl';

import { oneOrManyChildElements } from './prop-types';
import translations from './i18n/translations';
import UserStore from './stores/UserStore';

@inject('stores') @observer
export default class I18N extends Component {
  render() {
    const { stores, children } = this.props;
    const { locale } = stores.app;
    return (
      <IntlProvider {...{ locale, key: locale, messages: translations[locale] }}>
        {children}
      </IntlProvider>
    );
  }
}

I18N.wrappedComponent.propTypes = {
  stores: PropTypes.shape({
    user: PropTypes.instanceOf(UserStore).isRequired,
  }).isRequired,
  children: oneOrManyChildElements.isRequired,
};