gab-social/app/javascript/gabsocial/containers/notifications_container.js

import { injectIntl } from 'react-intl'
import { NotificationStack } from 'react-notification'
import { dismissAlert } from '../actions/alerts'
import { getAlerts } from '../selectors'

const mapStateToProps = (state, { intl }) => {
  const notifications = getAlerts(state)

  notifications.forEach(notification => ['title', 'message'].forEach(key => {
    const value = notification[key]

    if (typeof value === 'object') {
      notification[key] = intl.formatMessage(value)
    }
  }))

  return { notifications }
}

const mapDispatchToProps = (dispatch) => {
  return {
    onDismiss: alert => {
      dispatch(dismissAlert(alert))
    },
  }
}

export default injectIntl(connect(mapStateToProps, mapDispatchToProps)(NotificationStack))