react-i18n/translate.js

i18n-js integration with React

var assign = require('object-assign');

function fallback(i18n, message, options) {
  var lookup = i18n.lookup(message);
  return lookup == undefined ? fallbackSearch(i18n, message, options) : lookup;
}

function fallbackSearch(i18n, message, options) {
  scope = options['scope'] || '';
  var scopes = scope.split('.');

  if (scopes.length == 1) {
    // no more fallback
    return undefined;
  } else {
    scopes = scopes.slice(0, scopes.length - 1);
    options = assign({}, options);
    options['scope'] = scopes.join('.');

    var translated = i18n.translate(message, options);
    return !translated || translated.indexOf('[missing') == 0
      ? fallbackSearch(i18n, message, options)
      : translated;
  }
}

module.exports = function(message, options) {
  var i18n = typeof I18n === 'undefined' ? require('i18n-js') : I18n;
  var translated = i18n.translate(message, options || {});

  return !translated || translated.indexOf('[missing') == 0
    ? fallback(i18n, message, options || {}) || translated
    : translated;
};