@dbp-toolkit/check-in-place-select/dist/shared/check-in-place-select.b9181cbe.es.js

You can install this component via npm:

/**
 * Parses a link header
 *
 * The node module parse-link-header didn't work, so https://gist.github.com/niallo/3109252 became handy
 *
 * @param header
 */
const parseLinkHeader = (header) => {
    if (header.length === 0) {
        throw new Error("input must not be of zero length");
    }

    // Split parts by comma
    const parts = header.split(',');
    const links = {};

    // Parse each part into a named link
    for(let i=0; i<parts.length; i++) {
        const section = parts[i].split(';');
        if (section.length !== 2) {
            throw new Error("section could not be split on ';'");
        }
        const url = section[0].replace(/<(.*)>/, '$1').trim();
        const name = section[1].replace(/rel="(.*)"/, '$1').trim();
        links[name] = url;
    }

    return links;
};

/**
 * Parses the base url from an url
 *
 * @param url
 * @returns {string}
 */
const parseBaseUrl = (url) => {
    const pathArray = url.split('/');
    const protocol = pathArray[0];
    const host = pathArray[2];
    return protocol + '//' + host;
};

/**
 * Like customElements.define() but tries to display an error in case the browser doesn't
 * support everything we need.
 *
 * Returns false in case define failed, true otherwise.
 *
 * @returns {boolean}
 */

/**
 * 
 * @param {string} name 
 * @param {Function} constructor 
 * @param {object} options 
 */
const defineCustomElement = (name, constructor, options) => {
    // In case the constructor is already defined just do nothing
    if (customElements.get(name) === constructor) {
        return true;
    }
    // Checks taken from https://github.com/webcomponents/webcomponentsjs/blob/master/webcomponents-loader.js
    if (!('attachShadow' in Element.prototype && 'getRootNode' in Element.prototype && window.customElements)) {
        var elements = document.getElementsByTagName(name);
        for(var i=0; i < elements.length; i++) {
            elements[i].innerHTML = "<span style='border: 1px solid red; font-size: 0.8em; "
                + "opacity: 0.5; padding: 0.2em;'>☹ Your browser is not supported ☹</span>";
        }
       return false;
    }
    customElements.define(name, constructor, options);
    return true;
};

/**
 * Creates a random id
 *
 * taken from: https://stackoverflow.com/a/1349426/1581487
 *
 * @param length
 * @returns {string}
 */
const makeId = (length) => {
    let result           = '';
    const characters       = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    const charactersLength = characters.length;
    for ( let i = 0; i < length; i++ ) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }

    return result;
};

/**
 * Get an absolute path for assets given a relative path to the js bundle.
 *
 * @param {string} pkg The package which provides the asset
 * @param {string} path The relative path based on the js bundle path
 */
const getAssetURL = (pkg, path) => {
    let fullPath = '';
    if (path === undefined) {
        // backwards compat: in case only one parameter is passed
        // assume it is a full path
        fullPath = pkg;
    } else {
        fullPath = 'local/' + pkg + '/' + path;
    }
    return new URL(fullPath, new URL('..', import.meta.url).href).href;
};


/**
 * Poll <fn> every <interval> ms until <timeout> ms
 *
 * @param fn
 * @param timeout
 * @param interval
 */
const pollFunc = (fn, timeout, interval) => {
    var startTime = (new Date()).getTime();
    interval = interval || 1000;

    (function p() {
        // don't retry if we took longer than timeout ms
        if (((new Date).getTime() - startTime ) > timeout) {
            return;
        }

        // retry until fn() returns true
        if (!fn())  {
            setTimeout(p, interval);
        }
    })();
};

/**
 * Finds an object in a JSON result by identifier
 *
 * @param identifier
 * @param results
 * @param identifierAttribute
 */
const findObjectInApiResults = (identifier, results, identifierAttribute = "@id") => {
    const members = results["hydra:member"];

    if (members === undefined) {
        return;
    }

    for (const object of members){
        if (object[identifierAttribute] === identifier) {
            return object;
        }
    }
};

/**
 * Content from https://github.com/select2/select2/blob/master/src/js/select2/i18n/de.js
 */
function select2LangDe () {
    // German
    return {
        errorLoading: function () {
            return 'Die Ergebnisse konnten nicht geladen werden.';
        },
        inputTooLong: function (args) {
            var overChars = args.input.length - args.maximum;

            return 'Bitte ' + overChars + ' Zeichen weniger eingeben';
        },
        inputTooShort: function (args) {
            var remainingChars = args.minimum - args.input.length;

            return 'Bitte ' + remainingChars + ' Zeichen mehr eingeben, es kann nach mehreren Teilen von Namen gesucht werden';
        },
        loadingMore: function () {
            return 'Lade mehr Ergebnisse…';
        },
        maximumSelected: function (args) {
            var message = 'Sie können nur ' + args.maximum + ' Eintr';

            if (args.maximum === 1) {
                message += 'ag';
            } else {
                message += 'äge';
            }

            message += ' auswählen';

            return message;
        },
        noResults: function () {
            return 'Keine Übereinstimmungen gefunden';
        },
        searching: function () {
            return 'Suche…';
        },
        removeAllItems: function () {
            return 'Entferne alle Gegenstände';
        }
    };
}

/**
 * Content from https://github.com/select2/select2/blob/master/src/js/select2/i18n/en.js
 */
function select2LangEn () {
    // English
    return {
        errorLoading: function () {
            return 'The results could not be loaded.';
        },
        inputTooLong: function (args) {
            var overChars = args.input.length - args.maximum;

            var message = 'Please delete ' + overChars + ' character';

            if (overChars != 1) {
                message += 's';
            }

            return message;
        },
        inputTooShort: function (args) {
            var remainingChars = args.minimum - args.input.length;

            var message = 'Please enter ' + remainingChars + ' or more characters, you can also search for multiple parts of names';

            return message;
        },
        loadingMore: function () {
            return 'Loading more results…';
        },
        maximumSelected: function (args) {
            var message = 'You can only select ' + args.maximum + ' item';

            if (args.maximum != 1) {
                message += 's';
            }

            return message;
        },
        noResults: function () {
            return 'No results found';
        },
        searching: function () {
            return 'Searching…';
        },
        removeAllItems: function () {
            return 'Remove all items';
        }
    };
}

/**
 * Sends a notification via the event
 *
 * Type can be info/success/warning/danger
 *
 * example options:
 *
 * {
 *   "summary": "Item deleted",
 *   "body": "Item foo was deleted!",
 *   "type": "info",
 *   "timeout": 5,
 * }
 *
 * @param options
 */
function send(options) {
    const event = new CustomEvent("dbp-notification-send", {
        bubbles: true,
        cancelable: true,
        detail: options,
    });

    const result = window.dispatchEvent(event);

    // true means the event was not handled
    if (result) {
        alert((options.summary !== undefined && options.summary !== "" ? options.summary + ": " : "") + options.body);
        console.log("Use the web component dbp-notification to show fancy notifications.");
    }
}

function _typeof(obj) {
  "@babel/helpers - typeof";

  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof = function _typeof(obj) {
      return typeof obj;
    };
  } else {
    _typeof = function _typeof(obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    };
  }

  return _typeof(obj);
}

function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}

function _objectSpread(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? Object(arguments[i]) : {};
    var ownKeys = Object.keys(source);

    if (typeof Object.getOwnPropertySymbols === 'function') {
      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
      }));
    }

    ownKeys.forEach(function (key) {
      _defineProperty(target, key, source[key]);
    });
  }

  return target;
}

function _classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}

function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
  if (staticProps) _defineProperties(Constructor, staticProps);
  return Constructor;
}

function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return self;
}

function _possibleConstructorReturn(self, call) {
  if (call && (_typeof(call) === "object" || typeof call === "function")) {
    return call;
  }

  return _assertThisInitialized(self);
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}

function _inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function");
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      writable: true,
      configurable: true
    }
  });
  if (superClass) _setPrototypeOf(subClass, superClass);
}

var consoleLogger = {
  type: 'logger',
  log: function log(args) {
    this.output('log', args);
  },
  warn: function warn(args) {
    this.output('warn', args);
  },
  error: function error(args) {
    this.output('error', args);
  },
  output: function output(type, args) {
    if (console && console[type]) console[type].apply(console, args);
  }
};

var Logger$1 = function () {
  function Logger(concreteLogger) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, Logger);

    this.init(concreteLogger, options);
  }

  _createClass(Logger, [{
    key: "init",
    value: function init(concreteLogger) {
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      this.prefix = options.prefix || 'i18next:';
      this.logger = concreteLogger || consoleLogger;
      this.options = options;
      this.debug = options.debug;
    }
  }, {
    key: "setDebug",
    value: function setDebug(bool) {
      this.debug = bool;
    }
  }, {
    key: "log",
    value: function log() {
      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      return this.forward(args, 'log', '', true);
    }
  }, {
    key: "warn",
    value: function warn() {
      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }

      return this.forward(args, 'warn', '', true);
    }
  }, {
    key: "error",
    value: function error() {
      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
        args[_key3] = arguments[_key3];
      }

      return this.forward(args, 'error', '');
    }
  }, {
    key: "deprecate",
    value: function deprecate() {
      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
        args[_key4] = arguments[_key4];
      }

      return this.forward(args, 'warn', 'WARNING DEPRECATED: ', true);
    }
  }, {
    key: "forward",
    value: function forward(args, lvl, prefix, debugOnly) {
      if (debugOnly && !this.debug) return null;
      if (typeof args[0] === 'string') args[0] = "".concat(prefix).concat(this.prefix, " ").concat(args[0]);
      return this.logger[lvl](args);
    }
  }, {
    key: "create",
    value: function create(moduleName) {
      return new Logger(this.logger, _objectSpread({}, {
        prefix: "".concat(this.prefix, ":").concat(moduleName, ":")
      }, this.options));
    }
  }]);

  return Logger;
}();

var baseLogger = new Logger$1();

var EventEmitter = function () {
  function EventEmitter() {
    _classCallCheck(this, EventEmitter);

    this.observers = {};
  }

  _createClass(EventEmitter, [{
    key: "on",
    value: function on(events, listener) {
      var _this = this;

      events.split(' ').forEach(function (event) {
        _this.observers[event] = _this.observers[event] || [];

        _this.observers[event].push(listener);
      });
      return this;
    }
  }, {
    key: "off",
    value: function off(event, listener) {
      if (!this.observers[event]) return;

      if (!listener) {
        delete this.observers[event];
        return;
      }

      this.observers[event] = this.observers[event].filter(function (l) {
        return l !== listener;
      });
    }
  }, {
    key: "emit",
    value: function emit(event) {
      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
      }

      if (this.observers[event]) {
        var cloned = [].concat(this.observers[event]);
        cloned.forEach(function (observer) {
          observer.apply(void 0, args);
        });
      }

      if (this.observers['*']) {
        var _cloned = [].concat(this.observers['*']);

        _cloned.forEach(function (observer) {
          observer.apply(observer, [event].concat(args));
        });
      }
    }
  }]);

  return EventEmitter;
}();

function defer() {
  var res;
  var rej;
  var promise = new Promise(function (resolve, reject) {
    res = resolve;
    rej = reject;
  });
  promise.resolve = res;
  promise.reject = rej;
  return promise;
}
function makeString(object) {
  if (object == null) return '';
  return '' + object;
}
function copy(a, s, t) {
  a.forEach(function (m) {
    if (s[m]) t[m] = s[m];
  });
}

function getLastOfPath(object, path, Empty) {
  function cleanKey(key) {
    return key && key.indexOf('###') > -1 ? key.replace(/###/g, '.') : key;
  }

  function canNotTraverseDeeper() {
    return !object || typeof object === 'string';
  }

  var stack = typeof path !== 'string' ? [].concat(path) : path.split('.');

  while (stack.length > 1) {
    if (canNotTraverseDeeper()) return {};
    var key = cleanKey(stack.shift());
    if (!object[key] && Empty) object[key] = new Empty();

    if (Object.prototype.hasOwnProperty.call(object, key)) {
      object = object[key];
    } else {
      object = {};
    }
  }

  if (canNotTraverseDeeper()) return {};
  return {
    obj: object,
    k: cleanKey(stack.shift())
  };
}

function setPath(object, path, newValue) {
  var _getLastOfPath = getLastOfPath(object, path, Object),
      obj = _getLastOfPath.obj,
      k = _getLastOfPath.k;

  obj[k] = newValue;
}
function pushPath(object, path, newValue, concat) {
  var _getLastOfPath2 = getLastOfPath(object, path, Object),
      obj = _getLastOfPath2.obj,
      k = _getLastOfPath2.k;

  obj[k] = obj[k] || [];
  if (concat) obj[k] = obj[k].concat(newValue);
  if (!concat) obj[k].push(newValue);
}
function getPath(object, path) {
  var _getLastOfPath3 = getLastOfPath(object, path),
      obj = _getLastOfPath3.obj,
      k = _getLastOfPath3.k;

  if (!obj) return undefined;
  return obj[k];
}
function getPathWithDefaults(data, defaultData, key) {
  var value = getPath(data, key);

  if (value !== undefined) {
    return value;
  }

  return getPath(defaultData, key);
}
function deepExtend(target, source, overwrite) {
  for (var prop in source) {
    if (prop !== '__proto__' && prop !== 'constructor') {
      if (prop in target) {
        if (typeof target[prop] === 'string' || target[prop] instanceof String || typeof source[prop] === 'string' || source[prop] instanceof String) {
          if (overwrite) target[prop] = source[prop];
        } else {
          deepExtend(target[prop], source[prop], overwrite);
        }
      } else {
        target[prop] = source[prop];
      }
    }
  }

  return target;
}
function regexEscape(str) {
  return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
}
var _entityMap = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#39;',
  '/': '&#x2F;'
};
function escape(data) {
  if (typeof data === 'string') {
    return data.replace(/[&<>"'\/]/g, function (s) {
      return _entityMap[s];
    });
  }

  return data;
}
var isIE10 = typeof window !== 'undefined' && window.navigator && window.navigator.userAgent && window.navigator.userAgent.indexOf('MSIE') > -1;

function deepFind(obj, path) {
  var keySeparator = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '.';
  if (!obj) return undefined;
  if (obj[path]) return obj[path];
  var paths = path.split(keySeparator);
  var current = obj;

  for (var i = 0; i < paths.length; ++i) {
    if (typeof current[paths[i]] === 'string' && i + 1 < paths.length) {
      return undefined;
    }

    if (current[paths[i]] === undefined) {
      var j = 2;
      var p = paths.slice(i, i + j).join(keySeparator);
      var mix = current[p];

      while (mix === undefined && paths.length > i + j) {
        j++;
        p = paths.slice(i, i + j).join(keySeparator);
        mix = current[p];
      }

      if (mix === undefined) return undefined;
      if (typeof mix === 'string') return mix;
      if (p && typeof mix[p] === 'string') return mix[p];
      var joinedPath = paths.slice(i + j).join(keySeparator);
      if (joinedPath) return deepFind(mix, joinedPath, keySeparator);
      return undefined;
    }

    current = current[paths[i]];
  }

  return current;
}

var ResourceStore = function (_EventEmitter) {
  _inherits(ResourceStore, _EventEmitter);

  function ResourceStore(data) {
    var _this;

    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
      ns: ['translation'],
      defaultNS: 'translation'
    };

    _classCallCheck(this, ResourceStore);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(ResourceStore).call(this));

    if (isIE10) {
      EventEmitter.call(_assertThisInitialized(_this));
    }

    _this.data = data || {};
    _this.options = options;

    if (_this.options.keySeparator === undefined) {
      _this.options.keySeparator = '.';
    }

    if (_this.options.ignoreJSONStructure === undefined) {
      _this.options.ignoreJSONStructure = true;
    }

    return _this;
  }

  _createClass(ResourceStore, [{
    key: "addNamespaces",
    value: function addNamespaces(ns) {
      if (this.options.ns.indexOf(ns) < 0) {
        this.options.ns.push(ns);
      }
    }
  }, {
    key: "removeNamespaces",
    value: function removeNamespaces(ns) {
      var index = this.options.ns.indexOf(ns);

      if (index > -1) {
        this.options.ns.splice(index, 1);
      }
    }
  }, {
    key: "getResource",
    value: function getResource(lng, ns, key) {
      var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
      var keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
      var ignoreJSONStructure = options.ignoreJSONStructure !== undefined ? options.ignoreJSONStructure : this.options.ignoreJSONStructure;
      var path = [lng, ns];
      if (key && typeof key !== 'string') path = path.concat(key);
      if (key && typeof key === 'string') path = path.concat(keySeparator ? key.split(keySeparator) : key);

      if (lng.indexOf('.') > -1) {
        path = lng.split('.');
      }

      var result = getPath(this.data, path);
      if (result || !ignoreJSONStructure || typeof key !== 'string') return result;
      return deepFind(this.data && this.data[lng] && this.data[lng][ns], key, keySeparator);
    }
  }, {
    key: "addResource",
    value: function addResource(lng, ns, key, value) {
      var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {
        silent: false
      };
      var keySeparator = this.options.keySeparator;
      if (keySeparator === undefined) keySeparator = '.';
      var path = [lng, ns];
      if (key) path = path.concat(keySeparator ? key.split(keySeparator) : key);

      if (lng.indexOf('.') > -1) {
        path = lng.split('.');
        value = ns;
        ns = path[1];
      }

      this.addNamespaces(ns);
      setPath(this.data, path, value);
      if (!options.silent) this.emit('added', lng, ns, key, value);
    }
  }, {
    key: "addResources",
    value: function addResources(lng, ns, resources) {
      var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {
        silent: false
      };

      for (var m in resources) {
        if (typeof resources[m] === 'string' || Object.prototype.toString.apply(resources[m]) === '[object Array]') this.addResource(lng, ns, m, resources[m], {
          silent: true
        });
      }

      if (!options.silent) this.emit('added', lng, ns, resources);
    }
  }, {
    key: "addResourceBundle",
    value: function addResourceBundle(lng, ns, resources, deep, overwrite) {
      var options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {
        silent: false
      };
      var path = [lng, ns];

      if (lng.indexOf('.') > -1) {
        path = lng.split('.');
        deep = resources;
        resources = ns;
        ns = path[1];
      }

      this.addNamespaces(ns);
      var pack = getPath(this.data, path) || {};

      if (deep) {
        deepExtend(pack, resources, overwrite);
      } else {
        pack = _objectSpread({}, pack, resources);
      }

      setPath(this.data, path, pack);
      if (!options.silent) this.emit('added', lng, ns, resources);
    }
  }, {
    key: "removeResourceBundle",
    value: function removeResourceBundle(lng, ns) {
      if (this.hasResourceBundle(lng, ns)) {
        delete this.data[lng][ns];
      }

      this.removeNamespaces(ns);
      this.emit('removed', lng, ns);
    }
  }, {
    key: "hasResourceBundle",
    value: function hasResourceBundle(lng, ns) {
      return this.getResource(lng, ns) !== undefined;
    }
  }, {
    key: "getResourceBundle",
    value: function getResourceBundle(lng, ns) {
      if (!ns) ns = this.options.defaultNS;
      if (this.options.compatibilityAPI === 'v1') return _objectSpread({}, {}, this.getResource(lng, ns));
      return this.getResource(lng, ns);
    }
  }, {
    key: "getDataByLanguage",
    value: function getDataByLanguage(lng) {
      return this.data[lng];
    }
  }, {
    key: "toJSON",
    value: function toJSON() {
      return this.data;
    }
  }]);

  return ResourceStore;
}(EventEmitter);

var postProcessor = {
  processors: {},
  addPostProcessor: function addPostProcessor(module) {
    this.processors[module.name] = module;
  },
  handle: function handle(processors, value, key, options, translator) {
    var _this = this;

    processors.forEach(function (processor) {
      if (_this.processors[processor]) value = _this.processors[processor].process(value, key, options, translator);
    });
    return value;
  }
};

var checkedLoadedFor = {};

var Translator = function (_EventEmitter) {
  _inherits(Translator, _EventEmitter);

  function Translator(services) {
    var _this;

    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, Translator);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Translator).call(this));

    if (isIE10) {
      EventEmitter.call(_assertThisInitialized(_this));
    }

    copy(['resourceStore', 'languageUtils', 'pluralResolver', 'interpolator', 'backendConnector', 'i18nFormat', 'utils'], services, _assertThisInitialized(_this));
    _this.options = options;

    if (_this.options.keySeparator === undefined) {
      _this.options.keySeparator = '.';
    }

    _this.logger = baseLogger.create('translator');
    return _this;
  }

  _createClass(Translator, [{
    key: "changeLanguage",
    value: function changeLanguage(lng) {
      if (lng) this.language = lng;
    }
  }, {
    key: "exists",
    value: function exists(key) {
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
        interpolation: {}
      };
      var resolved = this.resolve(key, options);
      return resolved && resolved.res !== undefined;
    }
  }, {
    key: "extractFromKey",
    value: function extractFromKey(key, options) {
      var nsSeparator = options.nsSeparator !== undefined ? options.nsSeparator : this.options.nsSeparator;
      if (nsSeparator === undefined) nsSeparator = ':';
      var keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
      var namespaces = options.ns || this.options.defaultNS;

      if (nsSeparator && key.indexOf(nsSeparator) > -1) {
        var m = key.match(this.interpolator.nestingRegexp);

        if (m && m.length > 0) {
          return {
            key: key,
            namespaces: namespaces
          };
        }

        var parts = key.split(nsSeparator);
        if (nsSeparator !== keySeparator || nsSeparator === keySeparator && this.options.ns.indexOf(parts[0]) > -1) namespaces = parts.shift();
        key = parts.join(keySeparator);
      }

      if (typeof namespaces === 'string') namespaces = [namespaces];
      return {
        key: key,
        namespaces: namespaces
      };
    }
  }, {
    key: "translate",
    value: function translate(keys, options, lastKey) {
      var _this2 = this;

      if (_typeof(options) !== 'object' && this.options.overloadTranslationOptionHandler) {
        options = this.options.overloadTranslationOptionHandler(arguments);
      }

      if (!options) options = {};
      if (keys === undefined || keys === null) return '';
      if (!Array.isArray(keys)) keys = [String(keys)];
      var keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;

      var _this$extractFromKey = this.extractFromKey(keys[keys.length - 1], options),
          key = _this$extractFromKey.key,
          namespaces = _this$extractFromKey.namespaces;

      var namespace = namespaces[namespaces.length - 1];
      var lng = options.lng || this.language;
      var appendNamespaceToCIMode = options.appendNamespaceToCIMode || this.options.appendNamespaceToCIMode;

      if (lng && lng.toLowerCase() === 'cimode') {
        if (appendNamespaceToCIMode) {
          var nsSeparator = options.nsSeparator || this.options.nsSeparator;
          return namespace + nsSeparator + key;
        }

        return key;
      }

      var resolved = this.resolve(keys, options);
      var res = resolved && resolved.res;
      var resUsedKey = resolved && resolved.usedKey || key;
      var resExactUsedKey = resolved && resolved.exactUsedKey || key;
      var resType = Object.prototype.toString.apply(res);
      var noObject = ['[object Number]', '[object Function]', '[object RegExp]'];
      var joinArrays = options.joinArrays !== undefined ? options.joinArrays : this.options.joinArrays;
      var handleAsObjectInI18nFormat = !this.i18nFormat || this.i18nFormat.handleAsObject;
      var handleAsObject = typeof res !== 'string' && typeof res !== 'boolean' && typeof res !== 'number';

      if (handleAsObjectInI18nFormat && res && handleAsObject && noObject.indexOf(resType) < 0 && !(typeof joinArrays === 'string' && resType === '[object Array]')) {
        if (!options.returnObjects && !this.options.returnObjects) {
          if (!this.options.returnedObjectHandler) {
            this.logger.warn('accessing an object - but returnObjects options is not enabled!');
          }

          return this.options.returnedObjectHandler ? this.options.returnedObjectHandler(resUsedKey, res, _objectSpread({}, options, {
            ns: namespaces
          })) : "key '".concat(key, " (").concat(this.language, ")' returned an object instead of string.");
        }

        if (keySeparator) {
          var resTypeIsArray = resType === '[object Array]';
          var copy = resTypeIsArray ? [] : {};
          var newKeyToUse = resTypeIsArray ? resExactUsedKey : resUsedKey;

          for (var m in res) {
            if (Object.prototype.hasOwnProperty.call(res, m)) {
              var deepKey = "".concat(newKeyToUse).concat(keySeparator).concat(m);
              copy[m] = this.translate(deepKey, _objectSpread({}, options, {
                joinArrays: false,
                ns: namespaces
              }));
              if (copy[m] === deepKey) copy[m] = res[m];
            }
          }

          res = copy;
        }
      } else if (handleAsObjectInI18nFormat && typeof joinArrays === 'string' && resType === '[object Array]') {
        res = res.join(joinArrays);
        if (res) res = this.extendTranslation(res, keys, options, lastKey);
      } else {
        var usedDefault = false;
        var usedKey = false;
        var needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';
        var hasDefaultValue = Translator.hasDefaultValue(options);
        var defaultValueSuffix = needsPluralHandling ? this.pluralResolver.getSuffix(lng, options.count) : '';
        var defaultValue = options["defaultValue".concat(defaultValueSuffix)] || options.defaultValue;

        if (!this.isValidLookup(res) && hasDefaultValue) {
          usedDefault = true;
          res = defaultValue;
        }

        if (!this.isValidLookup(res)) {
          usedKey = true;
          res = key;
        }

        var updateMissing = hasDefaultValue && defaultValue !== res && this.options.updateMissing;

        if (usedKey || usedDefault || updateMissing) {
          this.logger.log(updateMissing ? 'updateKey' : 'missingKey', lng, namespace, key, updateMissing ? defaultValue : res);

          if (keySeparator) {
            var fk = this.resolve(key, _objectSpread({}, options, {
              keySeparator: false
            }));
            if (fk && fk.res) this.logger.warn('Seems the loaded translations were in flat JSON format instead of nested. Either set keySeparator: false on init or make sure your translations are published in nested format.');
          }

          var lngs = [];
          var fallbackLngs = this.languageUtils.getFallbackCodes(this.options.fallbackLng, options.lng || this.language);

          if (this.options.saveMissingTo === 'fallback' && fallbackLngs && fallbackLngs[0]) {
            for (var i = 0; i < fallbackLngs.length; i++) {
              lngs.push(fallbackLngs[i]);
            }
          } else if (this.options.saveMissingTo === 'all') {
            lngs = this.languageUtils.toResolveHierarchy(options.lng || this.language);
          } else {
            lngs.push(options.lng || this.language);
          }

          var send = function send(l, k, fallbackValue) {
            if (_this2.options.missingKeyHandler) {
              _this2.options.missingKeyHandler(l, namespace, k, updateMissing ? fallbackValue : res, updateMissing, options);
            } else if (_this2.backendConnector && _this2.backendConnector.saveMissing) {
              _this2.backendConnector.saveMissing(l, namespace, k, updateMissing ? fallbackValue : res, updateMissing, options);
            }

            _this2.emit('missingKey', l, namespace, k, res);
          };

          if (this.options.saveMissing) {
            if (this.options.saveMissingPlurals && needsPluralHandling) {
              lngs.forEach(function (language) {
                _this2.pluralResolver.getSuffixes(language).forEach(function (suffix) {
                  send([language], key + suffix, options["defaultValue".concat(suffix)] || defaultValue);
                });
              });
            } else {
              send(lngs, key, defaultValue);
            }
          }
        }

        res = this.extendTranslation(res, keys, options, resolved, lastKey);
        if (usedKey && res === key && this.options.appendNamespaceToMissingKey) res = "".concat(namespace, ":").concat(key);
        if (usedKey && this.options.parseMissingKeyHandler) res = this.options.parseMissingKeyHandler(res);
      }

      return res;
    }
  }, {
    key: "extendTranslation",
    value: function extendTranslation(res, key, options, resolved, lastKey) {
      var _this3 = this;

      if (this.i18nFormat && this.i18nFormat.parse) {
        res = this.i18nFormat.parse(res, options, resolved.usedLng, resolved.usedNS, resolved.usedKey, {
          resolved: resolved
        });
      } else if (!options.skipInterpolation) {
        if (options.interpolation) this.interpolator.init(_objectSpread({}, options, {
          interpolation: _objectSpread({}, this.options.interpolation, options.interpolation)
        }));
        var skipOnVariables = options.interpolation && options.interpolation.skipOnVariables || this.options.interpolation.skipOnVariables;
        var nestBef;

        if (skipOnVariables) {
          var nb = res.match(this.interpolator.nestingRegexp);
          nestBef = nb && nb.length;
        }

        var data = options.replace && typeof options.replace !== 'string' ? options.replace : options;
        if (this.options.interpolation.defaultVariables) data = _objectSpread({}, this.options.interpolation.defaultVariables, data);
        res = this.interpolator.interpolate(res, data, options.lng || this.language, options);

        if (skipOnVariables) {
          var na = res.match(this.interpolator.nestingRegexp);
          var nestAft = na && na.length;
          if (nestBef < nestAft) options.nest = false;
        }

        if (options.nest !== false) res = this.interpolator.nest(res, function () {
          for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
            args[_key] = arguments[_key];
          }

          if (lastKey && lastKey[0] === args[0] && !options.context) {
            _this3.logger.warn("It seems you are nesting recursively key: ".concat(args[0], " in key: ").concat(key[0]));

            return null;
          }

          return _this3.translate.apply(_this3, args.concat([key]));
        }, options);
        if (options.interpolation) this.interpolator.reset();
      }

      var postProcess = options.postProcess || this.options.postProcess;
      var postProcessorNames = typeof postProcess === 'string' ? [postProcess] : postProcess;

      if (res !== undefined && res !== null && postProcessorNames && postProcessorNames.length && options.applyPostProcessor !== false) {
        res = postProcessor.handle(postProcessorNames, res, key, this.options && this.options.postProcessPassResolved ? _objectSpread({
          i18nResolved: resolved
        }, options) : options, this);
      }

      return res;
    }
  }, {
    key: "resolve",
    value: function resolve(keys) {
      var _this4 = this;

      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      var found;
      var usedKey;
      var exactUsedKey;
      var usedLng;
      var usedNS;
      if (typeof keys === 'string') keys = [keys];
      keys.forEach(function (k) {
        if (_this4.isValidLookup(found)) return;

        var extracted = _this4.extractFromKey(k, options);

        var key = extracted.key;
        usedKey = key;
        var namespaces = extracted.namespaces;
        if (_this4.options.fallbackNS) namespaces = namespaces.concat(_this4.options.fallbackNS);
        var needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';
        var needsContextHandling = options.context !== undefined && typeof options.context === 'string' && options.context !== '';
        var codes = options.lngs ? options.lngs : _this4.languageUtils.toResolveHierarchy(options.lng || _this4.language, options.fallbackLng);
        namespaces.forEach(function (ns) {
          if (_this4.isValidLookup(found)) return;
          usedNS = ns;

          if (!checkedLoadedFor["".concat(codes[0], "-").concat(ns)] && _this4.utils && _this4.utils.hasLoadedNamespace && !_this4.utils.hasLoadedNamespace(usedNS)) {
            checkedLoadedFor["".concat(codes[0], "-").concat(ns)] = true;

            _this4.logger.warn("key \"".concat(usedKey, "\" for languages \"").concat(codes.join(', '), "\" won't get resolved as namespace \"").concat(usedNS, "\" was not yet loaded"), 'This means something IS WRONG in your setup. You access the t function before i18next.init / i18next.loadNamespace / i18next.changeLanguage was done. Wait for the callback or Promise to resolve before accessing it!!!');
          }

          codes.forEach(function (code) {
            if (_this4.isValidLookup(found)) return;
            usedLng = code;
            var finalKey = key;
            var finalKeys = [finalKey];

            if (_this4.i18nFormat && _this4.i18nFormat.addLookupKeys) {
              _this4.i18nFormat.addLookupKeys(finalKeys, key, code, ns, options);
            } else {
              var pluralSuffix;
              if (needsPluralHandling) pluralSuffix = _this4.pluralResolver.getSuffix(code, options.count);
              if (needsPluralHandling && needsContextHandling) finalKeys.push(finalKey + pluralSuffix);
              if (needsContextHandling) finalKeys.push(finalKey += "".concat(_this4.options.contextSeparator).concat(options.context));
              if (needsPluralHandling) finalKeys.push(finalKey += pluralSuffix);
            }

            var possibleKey;

            while (possibleKey = finalKeys.pop()) {
              if (!_this4.isValidLookup(found)) {
                exactUsedKey = possibleKey;
                found = _this4.getResource(code, ns, possibleKey, options);
              }
            }
          });
        });
      });
      return {
        res: found,
        usedKey: usedKey,
        exactUsedKey: exactUsedKey,
        usedLng: usedLng,
        usedNS: usedNS
      };
    }
  }, {
    key: "isValidLookup",
    value: function isValidLookup(res) {
      return res !== undefined && !(!this.options.returnNull && res === null) && !(!this.options.returnEmptyString && res === '');
    }
  }, {
    key: "getResource",
    value: function getResource(code, ns, key) {
      var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
      if (this.i18nFormat && this.i18nFormat.getResource) return this.i18nFormat.getResource(code, ns, key, options);
      return this.resourceStore.getResource(code, ns, key, options);
    }
  }], [{
    key: "hasDefaultValue",
    value: function hasDefaultValue(options) {
      var prefix = 'defaultValue';

      for (var option in options) {
        if (Object.prototype.hasOwnProperty.call(options, option) && prefix === option.substring(0, prefix.length) && undefined !== options[option]) {
          return true;
        }
      }

      return false;
    }
  }]);

  return Translator;
}(EventEmitter);

function capitalize(string) {
  return string.charAt(0).toUpperCase() + string.slice(1);
}

var LanguageUtil = function () {
  function LanguageUtil(options) {
    _classCallCheck(this, LanguageUtil);

    this.options = options;
    this.whitelist = this.options.supportedLngs || false;
    this.supportedLngs = this.options.supportedLngs || false;
    this.logger = baseLogger.create('languageUtils');
  }

  _createClass(LanguageUtil, [{
    key: "getScriptPartFromCode",
    value: function getScriptPartFromCode(code) {
      if (!code || code.indexOf('-') < 0) return null;
      var p = code.split('-');
      if (p.length === 2) return null;
      p.pop();
      if (p[p.length - 1].toLowerCase() === 'x') return null;
      return this.formatLanguageCode(p.join('-'));
    }
  }, {
    key: "getLanguagePartFromCode",
    value: function getLanguagePartFromCode(code) {
      if (!code || code.indexOf('-') < 0) return code;
      var p = code.split('-');
      return this.formatLanguageCode(p[0]);
    }
  }, {
    key: "formatLanguageCode",
    value: function formatLanguageCode(code) {
      if (typeof code === 'string' && code.indexOf('-') > -1) {
        var specialCases = ['hans', 'hant', 'latn', 'cyrl', 'cans', 'mong', 'arab'];
        var p = code.split('-');

        if (this.options.lowerCaseLng) {
          p = p.map(function (part) {
            return part.toLowerCase();
          });
        } else if (p.length === 2) {
          p[0] = p[0].toLowerCase();
          p[1] = p[1].toUpperCase();
          if (specialCases.indexOf(p[1].toLowerCase()) > -1) p[1] = capitalize(p[1].toLowerCase());
        } else if (p.length === 3) {
          p[0] = p[0].toLowerCase();
          if (p[1].length === 2) p[1] = p[1].toUpperCase();
          if (p[0] !== 'sgn' && p[2].length === 2) p[2] = p[2].toUpperCase();
          if (specialCases.indexOf(p[1].toLowerCase()) > -1) p[1] = capitalize(p[1].toLowerCase());
          if (specialCases.indexOf(p[2].toLowerCase()) > -1) p[2] = capitalize(p[2].toLowerCase());
        }

        return p.join('-');
      }

      return this.options.cleanCode || this.options.lowerCaseLng ? code.toLowerCase() : code;
    }
  }, {
    key: "isWhitelisted",
    value: function isWhitelisted(code) {
      this.logger.deprecate('languageUtils.isWhitelisted', 'function "isWhitelisted" will be renamed to "isSupportedCode" in the next major - please make sure to rename it\'s usage asap.');
      return this.isSupportedCode(code);
    }
  }, {
    key: "isSupportedCode",
    value: function isSupportedCode(code) {
      if (this.options.load === 'languageOnly' || this.options.nonExplicitSupportedLngs) {
        code = this.getLanguagePartFromCode(code);
      }

      return !this.supportedLngs || !this.supportedLngs.length || this.supportedLngs.indexOf(code) > -1;
    }
  }, {
    key: "getBestMatchFromCodes",
    value: function getBestMatchFromCodes(codes) {
      var _this = this;

      if (!codes) return null;
      var found;
      codes.forEach(function (code) {
        if (found) return;

        var cleanedLng = _this.formatLanguageCode(code);

        if (!_this.options.supportedLngs || _this.isSupportedCode(cleanedLng)) found = cleanedLng;
      });

      if (!found && this.options.supportedLngs) {
        codes.forEach(function (code) {
          if (found) return;

          var lngOnly = _this.getLanguagePartFromCode(code);

          if (_this.isSupportedCode(lngOnly)) return found = lngOnly;
          found = _this.options.supportedLngs.find(function (supportedLng) {
            if (supportedLng.indexOf(lngOnly) === 0) return supportedLng;
          });
        });
      }

      if (!found) found = this.getFallbackCodes(this.options.fallbackLng)[0];
      return found;
    }
  }, {
    key: "getFallbackCodes",
    value: function getFallbackCodes(fallbacks, code) {
      if (!fallbacks) return [];
      if (typeof fallbacks === 'function') fallbacks = fallbacks(code);
      if (typeof fallbacks === 'string') fallbacks = [fallbacks];
      if (Object.prototype.toString.apply(fallbacks) === '[object Array]') return fallbacks;
      if (!code) return fallbacks["default"] || [];
      var found = fallbacks[code];
      if (!found) found = fallbacks[this.getScriptPartFromCode(code)];
      if (!found) found = fallbacks[this.formatLanguageCode(code)];
      if (!found) found = fallbacks[this.getLanguagePartFromCode(code)];
      if (!found) found = fallbacks["default"];
      return found || [];
    }
  }, {
    key: "toResolveHierarchy",
    value: function toResolveHierarchy(code, fallbackCode) {
      var _this2 = this;

      var fallbackCodes = this.getFallbackCodes(fallbackCode || this.options.fallbackLng || [], code);
      var codes = [];

      var addCode = function addCode(c) {
        if (!c) return;

        if (_this2.isSupportedCode(c)) {
          codes.push(c);
        } else {
          _this2.logger.warn("rejecting language code not found in supportedLngs: ".concat(c));
        }
      };

      if (typeof code === 'string' && code.indexOf('-') > -1) {
        if (this.options.load !== 'languageOnly') addCode(this.formatLanguageCode(code));
        if (this.options.load !== 'languageOnly' && this.options.load !== 'currentOnly') addCode(this.getScriptPartFromCode(code));
        if (this.options.load !== 'currentOnly') addCode(this.getLanguagePartFromCode(code));
      } else if (typeof code === 'string') {
        addCode(this.formatLanguageCode(code));
      }

      fallbackCodes.forEach(function (fc) {
        if (codes.indexOf(fc) < 0) addCode(_this2.formatLanguageCode(fc));
      });
      return codes;
    }
  }]);

  return LanguageUtil;
}();

var sets = [{
  lngs: ['ach', 'ak', 'am', 'arn', 'br', 'fil', 'gun', 'ln', 'mfe', 'mg', 'mi', 'oc', 'pt', 'pt-BR', 'tg', 'tl', 'ti', 'tr', 'uz', 'wa'],
  nr: [1, 2],
  fc: 1
}, {
  lngs: ['af', 'an', 'ast', 'az', 'bg', 'bn', 'ca', 'da', 'de', 'dev', 'el', 'en', 'eo', 'es', 'et', 'eu', 'fi', 'fo', 'fur', 'fy', 'gl', 'gu', 'ha', 'hi', 'hu', 'hy', 'ia', 'it', 'kk', 'kn', 'ku', 'lb', 'mai', 'ml', 'mn', 'mr', 'nah', 'nap', 'nb', 'ne', 'nl', 'nn', 'no', 'nso', 'pa', 'pap', 'pms', 'ps', 'pt-PT', 'rm', 'sco', 'se', 'si', 'so', 'son', 'sq', 'sv', 'sw', 'ta', 'te', 'tk', 'ur', 'yo'],
  nr: [1, 2],
  fc: 2
}, {
  lngs: ['ay', 'bo', 'cgg', 'fa', 'ht', 'id', 'ja', 'jbo', 'ka', 'km', 'ko', 'ky', 'lo', 'ms', 'sah', 'su', 'th', 'tt', 'ug', 'vi', 'wo', 'zh'],
  nr: [1],
  fc: 3
}, {
  lngs: ['be', 'bs', 'cnr', 'dz', 'hr', 'ru', 'sr', 'uk'],
  nr: [1, 2, 5],
  fc: 4
}, {
  lngs: ['ar'],
  nr: [0, 1, 2, 3, 11, 100],
  fc: 5
}, {
  lngs: ['cs', 'sk'],
  nr: [1, 2, 5],
  fc: 6
}, {
  lngs: ['csb', 'pl'],
  nr: [1, 2, 5],
  fc: 7
}, {
  lngs: ['cy'],
  nr: [1, 2, 3, 8],
  fc: 8
}, {
  lngs: ['fr'],
  nr: [1, 2],
  fc: 9
}, {
  lngs: ['ga'],
  nr: [1, 2, 3, 7, 11],
  fc: 10
}, {
  lngs: ['gd'],
  nr: [1, 2, 3, 20],
  fc: 11
}, {
  lngs: ['is'],
  nr: [1, 2],
  fc: 12
}, {
  lngs: ['jv'],
  nr: [0, 1],
  fc: 13
}, {
  lngs: ['kw'],
  nr: [1, 2, 3, 4],
  fc: 14
}, {
  lngs: ['lt'],
  nr: [1, 2, 10],
  fc: 15
}, {
  lngs: ['lv'],
  nr: [1, 2, 0],
  fc: 16
}, {
  lngs: ['mk'],
  nr: [1, 2],
  fc: 17
}, {
  lngs: ['mnk'],
  nr: [0, 1, 2],
  fc: 18
}, {
  lngs: ['mt'],
  nr: [1, 2, 11, 20],
  fc: 19
}, {
  lngs: ['or'],
  nr: [2, 1],
  fc: 2
}, {
  lngs: ['ro'],
  nr: [1, 2, 20],
  fc: 20
}, {
  lngs: ['sl'],
  nr: [5, 1, 2, 3],
  fc: 21
}, {
  lngs: ['he', 'iw'],
  nr: [1, 2, 20, 21],
  fc: 22
}];
var _rulesPluralsTypes = {
  1: function _(n) {
    return Number(n > 1);
  },
  2: function _(n) {
    return Number(n != 1);
  },
  3: function _(n) {
    return 0;
  },
  4: function _(n) {
    return Number(n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);
  },
  5: function _(n) {
    return Number(n == 0 ? 0 : n == 1 ? 1 : n == 2 ? 2 : n % 100 >= 3 && n % 100 <= 10 ? 3 : n % 100 >= 11 ? 4 : 5);
  },
  6: function _(n) {
    return Number(n == 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2);
  },
  7: function _(n) {
    return Number(n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);
  },
  8: function _(n) {
    return Number(n == 1 ? 0 : n == 2 ? 1 : n != 8 && n != 11 ? 2 : 3);
  },
  9: function _(n) {
    return Number(n >= 2);
  },
  10: function _(n) {
    return Number(n == 1 ? 0 : n == 2 ? 1 : n < 7 ? 2 : n < 11 ? 3 : 4);
  },
  11: function _(n) {
    return Number(n == 1 || n == 11 ? 0 : n == 2 || n == 12 ? 1 : n > 2 && n < 20 ? 2 : 3);
  },
  12: function _(n) {
    return Number(n % 10 != 1 || n % 100 == 11);
  },
  13: function _(n) {
    return Number(n !== 0);
  },
  14: function _(n) {
    return Number(n == 1 ? 0 : n == 2 ? 1 : n == 3 ? 2 : 3);
  },
  15: function _(n) {
    return Number(n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);
  },
  16: function _(n) {
    return Number(n % 10 == 1 && n % 100 != 11 ? 0 : n !== 0 ? 1 : 2);
  },
  17: function _(n) {
    return Number(n == 1 || n % 10 == 1 && n % 100 != 11 ? 0 : 1);
  },
  18: function _(n) {
    return Number(n == 0 ? 0 : n == 1 ? 1 : 2);
  },
  19: function _(n) {
    return Number(n == 1 ? 0 : n == 0 || n % 100 > 1 && n % 100 < 11 ? 1 : n % 100 > 10 && n % 100 < 20 ? 2 : 3);
  },
  20: function _(n) {
    return Number(n == 1 ? 0 : n == 0 || n % 100 > 0 && n % 100 < 20 ? 1 : 2);
  },
  21: