csv-import-react/build/index.js

Open-source CSV, TSV, and XLS/XLSX file importer for React and JavaScript

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var jsxRuntime = require('react/jsx-runtime');
var React = require('react');
var react = require('@emotion/react');
var reactDom = require('react-dom');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

function _interopNamespace(e) {
  if (e && e.__esModule) return e;
  var n = Object.create(null);
  if (e) {
    Object.keys(e).forEach(function (k) {
      if (k !== 'default') {
        var d = Object.getOwnPropertyDescriptor(e, k);
        Object.defineProperty(n, k, d.get ? d : {
          enumerable: true,
          get: function () { return e[k]; }
        });
      }
    });
  }
  n["default"] = e;
  return Object.freeze(n);
}

var React__namespace = /*#__PURE__*/_interopNamespace(React);
var React__default = /*#__PURE__*/_interopDefaultLegacy(React);

/******************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */

var __assign$1 = function() {
  __assign$1 = Object.assign || function __assign(t) {
      for (var s, i = 1, n = arguments.length; i < n; i++) {
          s = arguments[i];
          for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
      }
      return t;
  };
  return __assign$1.apply(this, arguments);
};

function __rest$1(s, e) {
  var t = {};
  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
      t[p] = s[p];
  if (s != null && typeof Object.getOwnPropertySymbols === "function")
      for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
          if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
              t[p[i]] = s[p[i]];
      }
  return t;
}

function __awaiter(thisArg, _arguments, P, generator) {
  function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
  return new (P || (P = Promise))(function (resolve, reject) {
      function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
      function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
      function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
      step((generator = generator.apply(thisArg, _arguments || [])).next());
  });
}

function __generator(thisArg, body) {
  var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
  return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
  function verb(n) { return function (v) { return step([n, v]); }; }
  function step(op) {
      if (f) throw new TypeError("Generator is already executing.");
      while (g && (g = 0, op[0] && (_ = 0)), _) try {
          if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
          if (y = 0, t) op = [op[0] & 2, t.value];
          switch (op[0]) {
              case 0: case 1: t = op; break;
              case 4: _.label++; return { value: op[1], done: false };
              case 5: _.label++; y = op[1]; op = [0]; continue;
              case 7: op = _.ops.pop(); _.trys.pop(); continue;
              default:
                  if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                  if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                  if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                  if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                  if (t[2]) _.ops.pop();
                  _.trys.pop(); continue;
          }
          op = body.call(thisArg, _);
      } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
      if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
  }
}

function __read(o, n) {
  var m = typeof Symbol === "function" && o[Symbol.iterator];
  if (!m) return o;
  var i = m.call(o), r, ar = [], e;
  try {
      while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
  }
  catch (error) { e = { error: error }; }
  finally {
      try {
          if (r && !r.done && (m = i["return"])) m.call(i);
      }
      finally { if (e) throw e.error; }
  }
  return ar;
}

function __spreadArray(to, from, pack) {
  if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
      if (ar || !(i in from)) {
          if (!ar) ar = Array.prototype.slice.call(from, 0, i);
          ar[i] = from[i];
      }
  }
  return to.concat(ar || Array.prototype.slice.call(from));
}

typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
  var e = new Error(message);
  return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
};

function warn() {
  if (console && console.warn) {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    if (typeof args[0] === 'string') args[0] = `react-i18next:: ${args[0]}`;
    console.warn(...args);
  }
}
const alreadyWarned = {};
function warnOnce$1() {
  for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
    args[_key2] = arguments[_key2];
  }
  if (typeof args[0] === 'string' && alreadyWarned[args[0]]) return;
  if (typeof args[0] === 'string') alreadyWarned[args[0]] = new Date();
  warn(...args);
}
const loadedClb = (i18n, cb) => () => {
  if (i18n.isInitialized) {
    cb();
  } else {
    const initialized = () => {
      setTimeout(() => {
        i18n.off('initialized', initialized);
      }, 0);
      cb();
    };
    i18n.on('initialized', initialized);
  }
};
function loadNamespaces(i18n, ns, cb) {
  i18n.loadNamespaces(ns, loadedClb(i18n, cb));
}
function loadLanguages(i18n, lng, ns, cb) {
  if (typeof ns === 'string') ns = [ns];
  ns.forEach(n => {
    if (i18n.options.ns.indexOf(n) < 0) i18n.options.ns.push(n);
  });
  i18n.loadLanguages(lng, loadedClb(i18n, cb));
}
function oldI18nextHasLoadedNamespace(ns, i18n) {
  let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  const lng = i18n.languages[0];
  const fallbackLng = i18n.options ? i18n.options.fallbackLng : false;
  const lastLng = i18n.languages[i18n.languages.length - 1];
  if (lng.toLowerCase() === 'cimode') return true;
  const loadNotPending = (l, n) => {
    const loadState = i18n.services.backendConnector.state[`${l}|${n}`];
    return loadState === -1 || loadState === 2;
  };
  if (options.bindI18n && options.bindI18n.indexOf('languageChanging') > -1 && i18n.services.backendConnector.backend && i18n.isLanguageChangingTo && !loadNotPending(i18n.isLanguageChangingTo, ns)) return false;
  if (i18n.hasResourceBundle(lng, ns)) return true;
  if (!i18n.services.backendConnector.backend || i18n.options.resources && !i18n.options.partialBundledLanguages) return true;
  if (loadNotPending(lng, ns) && (!fallbackLng || loadNotPending(lastLng, ns))) return true;
  return false;
}
function hasLoadedNamespace(ns, i18n) {
  let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  if (!i18n.languages || !i18n.languages.length) {
    warnOnce$1('i18n.languages were undefined or empty', i18n.languages);
    return true;
  }
  const isNewerI18next = i18n.options.ignoreJSONStructure !== undefined;
  if (!isNewerI18next) {
    return oldI18nextHasLoadedNamespace(ns, i18n, options);
  }
  return i18n.hasLoadedNamespace(ns, {
    lng: options.lng,
    precheck: (i18nInstance, loadNotPending) => {
      if (options.bindI18n && options.bindI18n.indexOf('languageChanging') > -1 && i18nInstance.services.backendConnector.backend && i18nInstance.isLanguageChangingTo && !loadNotPending(i18nInstance.isLanguageChangingTo, ns)) return false;
    }
  });
}

const matchHtmlEntity = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34|nbsp|#160|copy|#169|reg|#174|hellip|#8230|#x2F|#47);/g;
const htmlEntities = {
  '&amp;': '&',
  '&#38;': '&',
  '&lt;': '<',
  '&#60;': '<',
  '&gt;': '>',
  '&#62;': '>',
  '&apos;': "'",
  '&#39;': "'",
  '&quot;': '"',
  '&#34;': '"',
  '&nbsp;': ' ',
  '&#160;': ' ',
  '&copy;': '©',
  '&#169;': '©',
  '&reg;': '®',
  '&#174;': '®',
  '&hellip;': '…',
  '&#8230;': '…',
  '&#x2F;': '/',
  '&#47;': '/'
};
const unescapeHtmlEntity = m => htmlEntities[m];
const unescape = text => text.replace(matchHtmlEntity, unescapeHtmlEntity);

let defaultOptions = {
  bindI18n: 'languageChanged',
  bindI18nStore: '',
  transEmptyNodeValue: '',
  transSupportBasicHtmlNodes: true,
  transWrapTextNodes: '',
  transKeepBasicHtmlNodesFor: ['br', 'strong', 'i', 'p'],
  useSuspense: true,
  unescape
};
function setDefaults() {
  let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  defaultOptions = {
    ...defaultOptions,
    ...options
  };
}
function getDefaults$1() {
  return defaultOptions;
}

let i18nInstance;
function setI18n(instance) {
  i18nInstance = instance;
}
function getI18n() {
  return i18nInstance;
}

const initReactI18next = {
  type: '3rdParty',
  init(instance) {
    setDefaults(instance.options.react);
    setI18n(instance);
  }
};

const I18nContext = React.createContext();
class ReportNamespaces {
  constructor() {
    this.usedNamespaces = {};
  }
  addUsedNamespaces(namespaces) {
    namespaces.forEach(ns => {
      if (!this.usedNamespaces[ns]) this.usedNamespaces[ns] = true;
    });
  }
  getUsedNamespaces() {
    return Object.keys(this.usedNamespaces);
  }
}

const usePrevious = (value, ignore) => {
  const ref = React.useRef();
  React.useEffect(() => {
    ref.current = ignore ? ref.current : value;
  }, [value, ignore]);
  return ref.current;
};
function alwaysNewT(i18n, language, namespace, keyPrefix) {
  return i18n.getFixedT(language, namespace, keyPrefix);
}
function useMemoizedT(i18n, language, namespace, keyPrefix) {
  return React.useCallback(alwaysNewT(i18n, language, namespace, keyPrefix), [i18n, language, namespace, keyPrefix]);
}
function useTranslation(ns) {
  let props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  const {
    i18n: i18nFromProps
  } = props;
  const {
    i18n: i18nFromContext,
    defaultNS: defaultNSFromContext
  } = React.useContext(I18nContext) || {};
  const i18n = i18nFromProps || i18nFromContext || getI18n();
  if (i18n && !i18n.reportNamespaces) i18n.reportNamespaces = new ReportNamespaces();
  if (!i18n) {
    warnOnce$1('You will need to pass in an i18next instance by using initReactI18next');
    const notReadyT = (k, optsOrDefaultValue) => {
      if (typeof optsOrDefaultValue === 'string') return optsOrDefaultValue;
      if (optsOrDefaultValue && typeof optsOrDefaultValue === 'object' && typeof optsOrDefaultValue.defaultValue === 'string') return optsOrDefaultValue.defaultValue;
      return Array.isArray(k) ? k[k.length - 1] : k;
    };
    const retNotReady = [notReadyT, {}, false];
    retNotReady.t = notReadyT;
    retNotReady.i18n = {};
    retNotReady.ready = false;
    return retNotReady;
  }
  if (i18n.options.react && i18n.options.react.wait !== undefined) warnOnce$1('It seems you are still using the old wait option, you may migrate to the new useSuspense behaviour.');
  const i18nOptions = {
    ...getDefaults$1(),
    ...i18n.options.react,
    ...props
  };
  const {
    useSuspense,
    keyPrefix
  } = i18nOptions;
  let namespaces = ns || defaultNSFromContext || i18n.options && i18n.options.defaultNS;
  namespaces = typeof namespaces === 'string' ? [namespaces] : namespaces || ['translation'];
  if (i18n.reportNamespaces.addUsedNamespaces) i18n.reportNamespaces.addUsedNamespaces(namespaces);
  const ready = (i18n.isInitialized || i18n.initializedStoreOnce) && namespaces.every(n => hasLoadedNamespace(n, i18n, i18nOptions));
  const memoGetT = useMemoizedT(i18n, props.lng || null, i18nOptions.nsMode === 'fallback' ? namespaces : namespaces[0], keyPrefix);
  const getT = () => memoGetT;
  const getNewT = () => alwaysNewT(i18n, props.lng || null, i18nOptions.nsMode === 'fallback' ? namespaces : namespaces[0], keyPrefix);
  const [t, setT] = React.useState(getT);
  let joinedNS = namespaces.join();
  if (props.lng) joinedNS = `${props.lng}${joinedNS}`;
  const previousJoinedNS = usePrevious(joinedNS);
  const isMounted = React.useRef(true);
  React.useEffect(() => {
    const {
      bindI18n,
      bindI18nStore
    } = i18nOptions;
    isMounted.current = true;
    if (!ready && !useSuspense) {
      if (props.lng) {
        loadLanguages(i18n, props.lng, namespaces, () => {
          if (isMounted.current) setT(getNewT);
        });
      } else {
        loadNamespaces(i18n, namespaces, () => {
          if (isMounted.current) setT(getNewT);
        });
      }
    }
    if (ready && previousJoinedNS && previousJoinedNS !== joinedNS && isMounted.current) {
      setT(getNewT);
    }
    function boundReset() {
      if (isMounted.current) setT(getNewT);
    }
    if (bindI18n && i18n) i18n.on(bindI18n, boundReset);
    if (bindI18nStore && i18n) i18n.store.on(bindI18nStore, boundReset);
    return () => {
      isMounted.current = false;
      if (bindI18n && i18n) bindI18n.split(' ').forEach(e => i18n.off(e, boundReset));
      if (bindI18nStore && i18n) bindI18nStore.split(' ').forEach(e => i18n.store.off(e, boundReset));
    };
  }, [i18n, joinedNS]);
  React.useEffect(() => {
    if (isMounted.current && ready) {
      setT(getT);
    }
  }, [i18n, keyPrefix, ready]);
  const ret = [t, i18n, ready];
  ret.t = t;
  ret.i18n = i18n;
  ret.ready = ready;
  if (ready) return ret;
  if (!ready && !useSuspense) return ret;
  throw new Promise(resolve => {
    if (props.lng) {
      loadLanguages(i18n, props.lng, namespaces, () => resolve());
    } else {
      loadNamespaces(i18n, namespaces, () => resolve());
    }
  });
}

const consoleLogger = {
  type: 'logger',
  log(args) {
    this.output('log', args);
  },
  warn(args) {
    this.output('warn', args);
  },
  error(args) {
    this.output('error', args);
  },
  output(type, args) {
    if (console && console[type]) console[type].apply(console, args);
  }
};
class Logger {
  constructor(concreteLogger) {
    let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    this.init(concreteLogger, options);
  }
  init(concreteLogger) {
    let 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;
  }
  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);
  }
  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);
  }
  error() {
    for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
      args[_key3] = arguments[_key3];
    }
    return this.forward(args, 'error', '');
  }
  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);
  }
  forward(args, lvl, prefix, debugOnly) {
    if (debugOnly && !this.debug) return null;
    if (typeof args[0] === 'string') args[0] = `${prefix}${this.prefix} ${args[0]}`;
    return this.logger[lvl](args);
  }
  create(moduleName) {
    return new Logger(this.logger, {
      ...{
        prefix: `${this.prefix}:${moduleName}:`
      },
      ...this.options
    });
  }
  clone(options) {
    options = options || this.options;
    options.prefix = options.prefix || this.prefix;
    return new Logger(this.logger, options);
  }
}
var baseLogger = new Logger();

class EventEmitter {
  constructor() {
    this.observers = {};
  }
  on(events, listener) {
    events.split(' ').forEach(event => {
      if (!this.observers[event]) this.observers[event] = new Map();
      const numListeners = this.observers[event].get(listener) || 0;
      this.observers[event].set(listener, numListeners + 1);
    });
    return this;
  }
  off(event, listener) {
    if (!this.observers[event]) return;
    if (!listener) {
      delete this.observers[event];
      return;
    }
    this.observers[event].delete(listener);
  }
  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]) {
      const cloned = Array.from(this.observers[event].entries());
      cloned.forEach(_ref => {
        let [observer, numTimesAdded] = _ref;
        for (let i = 0; i < numTimesAdded; i++) {
          observer(...args);
        }
      });
    }
    if (this.observers['*']) {
      const cloned = Array.from(this.observers['*'].entries());
      cloned.forEach(_ref2 => {
        let [observer, numTimesAdded] = _ref2;
        for (let i = 0; i < numTimesAdded; i++) {
          observer.apply(observer, [event, ...args]);
        }
      });
    }
  }
}

function defer() {
  let res;
  let rej;
  const promise = new Promise((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$1(a, s, t) {
  a.forEach(m => {
    if (s[m]) t[m] = s[m];
  });
}
const lastOfPathSeparatorRegExp = /###/g;
function getLastOfPath(object, path, Empty) {
  function cleanKey(key) {
    return key && key.indexOf('###') > -1 ? key.replace(lastOfPathSeparatorRegExp, '.') : key;
  }
  function canNotTraverseDeeper() {
    return !object || typeof object === 'string';
  }
  const stack = typeof path !== 'string' ? path : path.split('.');
  let stackIndex = 0;
  while (stackIndex < stack.length - 1) {
    if (canNotTraverseDeeper()) return {};
    const key = cleanKey(stack[stackIndex]);
    if (!object[key] && Empty) object[key] = new Empty();
    if (Object.prototype.hasOwnProperty.call(object, key)) {
      object = object[key];
    } else {
      object = {};
    }
    ++stackIndex;
  }
  if (canNotTraverseDeeper()) return {};
  return {
    obj: object,
    k: cleanKey(stack[stackIndex])
  };
}
function setPath(object, path, newValue) {
  const {
    obj,
    k
  } = getLastOfPath(object, path, Object);
  if (obj !== undefined || path.length === 1) {
    obj[k] = newValue;
    return;
  }
  let e = path[path.length - 1];
  let p = path.slice(0, path.length - 1);
  let last = getLastOfPath(object, p, Object);
  while (last.obj === undefined && p.length) {
    e = `${p[p.length - 1]}.${e}`;
    p = p.slice(0, p.length - 1);
    last = getLastOfPath(object, p, Object);
    if (last && last.obj && typeof last.obj[`${last.k}.${e}`] !== 'undefined') {
      last.obj = undefined;
    }
  }
  last.obj[`${last.k}.${e}`] = newValue;
}
function pushPath(object, path, newValue, concat) {
  const {
    obj,
    k
  } = getLastOfPath(object, path, Object);
  obj[k] = obj[k] || [];
  if (concat) obj[k] = obj[k].concat(newValue);
  if (!concat) obj[k].push(newValue);
}
function getPath(object, path) {
  const {
    obj,
    k
  } = getLastOfPath(object, path);
  if (!obj) return undefined;
  return obj[k];
}
function getPathWithDefaults(data, defaultData, key) {
  const value = getPath(data, key);
  if (value !== undefined) {
    return value;
  }
  return getPath(defaultData, key);
}
function deepExtend(target, source, overwrite) {
  for (const 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$2(data) {
  if (typeof data === 'string') {
    return data.replace(/[&<>"'\/]/g, s => _entityMap[s]);
  }
  return data;
}
class RegExpCache {
  constructor(capacity) {
    this.capacity = capacity;
    this.regExpMap = new Map();
    this.regExpQueue = [];
  }
  getRegExp(pattern) {
    const regExpFromCache = this.regExpMap.get(pattern);
    if (regExpFromCache !== undefined) {
      return regExpFromCache;
    }
    const regExpNew = new RegExp(pattern);
    if (this.regExpQueue.length === this.capacity) {
      this.regExpMap.delete(this.regExpQueue.shift());
    }
    this.regExpMap.set(pattern, regExpNew);
    this.regExpQueue.push(pattern);
    return regExpNew;
  }
}
const chars = [' ', ',', '?', '!', ';'];
const looksLikeObjectPathRegExpCache = new RegExpCache(20);
function looksLikeObjectPath(key, nsSeparator, keySeparator) {
  nsSeparator = nsSeparator || '';
  keySeparator = keySeparator || '';
  const possibleChars = chars.filter(c => nsSeparator.indexOf(c) < 0 && keySeparator.indexOf(c) < 0);
  if (possibleChars.length === 0) return true;
  const r = looksLikeObjectPathRegExpCache.getRegExp(`(${possibleChars.map(c => c === '?' ? '\\?' : c).join('|')})`);
  let matched = !r.test(key);
  if (!matched) {
    const ki = key.indexOf(keySeparator);
    if (ki > 0 && !r.test(key.substring(0, ki))) {
      matched = true;
    }
  }
  return matched;
}
function deepFind(obj, path) {
  let keySeparator = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '.';
  if (!obj) return undefined;
  if (obj[path]) return obj[path];
  const tokens = path.split(keySeparator);
  let current = obj;
  for (let i = 0; i < tokens.length;) {
    if (!current || typeof current !== 'object') {
      return undefined;
    }
    let next;
    let nextPath = '';
    for (let j = i; j < tokens.length; ++j) {
      if (j !== i) {
        nextPath += keySeparator;
      }
      nextPath += tokens[j];
      next = current[nextPath];
      if (next !== undefined) {
        if (['string', 'number', 'boolean'].indexOf(typeof next) > -1 && j < tokens.length - 1) {
          continue;
        }
        i += j - i + 1;
        break;
      }
    }
    current = next;
  }
  return current;
}
function getCleanedCode(code) {
  if (code && code.indexOf('_') > 0) return code.replace('_', '-');
  return code;
}

class ResourceStore extends EventEmitter {
  constructor(data) {
    let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
      ns: ['translation'],
      defaultNS: 'translation'
    };
    super();
    this.data = data || {};
    this.options = options;
    if (this.options.keySeparator === undefined) {
      this.options.keySeparator = '.';
    }
    if (this.options.ignoreJSONStructure === undefined) {
      this.options.ignoreJSONStructure = true;
    }
  }
  addNamespaces(ns) {
    if (this.options.ns.indexOf(ns) < 0) {
      this.options.ns.push(ns);
    }
  }
  removeNamespaces(ns) {
    const index = this.options.ns.indexOf(ns);
    if (index > -1) {
      this.options.ns.splice(index, 1);
    }
  }
  getResource(lng, ns, key) {
    let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
    const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
    const ignoreJSONStructure = options.ignoreJSONStructure !== undefined ? options.ignoreJSONStructure : this.options.ignoreJSONStructure;
    let path;
    if (lng.indexOf('.') > -1) {
      path = lng.split('.');
    } else {
      path = [lng, ns];
      if (key) {
        if (Array.isArray(key)) {
          path.push(...key);
        } else if (typeof key === 'string' && keySeparator) {
          path.push(...key.split(keySeparator));
        } else {
          path.push(key);
        }
      }
    }
    const result = getPath(this.data, path);
    if (!result && !ns && !key && lng.indexOf('.') > -1) {
      lng = path[0];
      ns = path[1];
      key = path.slice(2).join('.');
    }
    if (result || !ignoreJSONStructure || typeof key !== 'string') return result;
    return deepFind(this.data && this.data[lng] && this.data[lng][ns], key, keySeparator);
  }
  addResource(lng, ns, key, value) {
    let options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {
      silent: false
    };
    const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
    let 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);
  }
  addResources(lng, ns, resources) {
    let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {
      silent: false
    };
    for (const 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);
  }
  addResourceBundle(lng, ns, resources, deep, overwrite) {
    let options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {
      silent: false,
      skipCopy: false
    };
    let path = [lng, ns];
    if (lng.indexOf('.') > -1) {
      path = lng.split('.');
      deep = resources;
      resources = ns;
      ns = path[1];
    }
    this.addNamespaces(ns);
    let pack = getPath(this.data, path) || {};
    if (!options.skipCopy) resources = JSON.parse(JSON.stringify(resources));
    if (deep) {
      deepExtend(pack, resources, overwrite);
    } else {
      pack = {
        ...pack,
        ...resources
      };
    }
    setPath(this.data, path, pack);
    if (!options.silent) this.emit('added', lng, ns, resources);
  }
  removeResourceBundle(lng, ns) {
    if (this.hasResourceBundle(lng, ns)) {
      delete this.data[lng][ns];
    }
    this.removeNamespaces(ns);
    this.emit('removed', lng, ns);
  }
  hasResourceBundle(lng, ns) {
    return this.getResource(lng, ns) !== undefined;
  }
  getResourceBundle(lng, ns) {
    if (!ns) ns = this.options.defaultNS;
    if (this.options.compatibilityAPI === 'v1') return {
      ...{},
      ...this.getResource(lng, ns)
    };
    return this.getResource(lng, ns);
  }
  getDataByLanguage(lng) {
    return this.data[lng];
  }
  hasLanguageSomeTranslations(lng) {
    const data = this.getDataByLanguage(lng);
    const n = data && Object.keys(data) || [];
    return !!n.find(v => data[v] && Object.keys(data[v]).length > 0);
  }
  toJSON() {
    return this.data;
  }
}

var postProcessor = {
  processors: {},
  addPostProcessor(module) {
    this.processors[module.name] = module;
  },
  handle(processors, value, key, options, translator) {
    processors.forEach(processor => {
      if (this.processors[processor]) value = this.processors[processor].process(value, key, options, translator);
    });
    return value;
  }
};

const checkedLoadedFor = {};
class Translator extends EventEmitter {
  constructor(services) {
    let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    super();
    copy$1(['resourceStore', 'languageUtils', 'pluralResolver', 'interpolator', 'backendConnector', 'i18nFormat', 'utils'], services, this);
    this.options = options;
    if (this.options.keySeparator === undefined) {
      this.options.keySeparator = '.';
    }
    this.logger = baseLogger.create('translator');
  }
  changeLanguage(lng) {
    if (lng) this.language = lng;
  }
  exists(key) {
    let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
      interpolation: {}
    };
    if (key === undefined || key === null) {
      return false;
    }
    const resolved = this.resolve(key, options);
    return resolved && resolved.res !== undefined;
  }
  extractFromKey(key, options) {
    let nsSeparator = options.nsSeparator !== undefined ? options.nsSeparator : this.options.nsSeparator;
    if (nsSeparator === undefined) nsSeparator = ':';
    const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
    let namespaces = options.ns || this.options.defaultNS || [];
    const wouldCheckForNsInKey = nsSeparator && key.indexOf(nsSeparator) > -1;
    const seemsNaturalLanguage = !this.options.userDefinedKeySeparator && !options.keySeparator && !this.options.userDefinedNsSeparator && !options.nsSeparator && !looksLikeObjectPath(key, nsSeparator, keySeparator);
    if (wouldCheckForNsInKey && !seemsNaturalLanguage) {
      const m = key.match(this.interpolator.nestingRegexp);
      if (m && m.length > 0) {
        return {
          key,
          namespaces
        };
      }
      const 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,
      namespaces
    };
  }
  translate(keys, options, lastKey) {
    if (typeof options !== 'object' && this.options.overloadTranslationOptionHandler) {
      options = this.options.overloadTranslationOptionHandler(arguments);
    }
    if (typeof options === 'object') options = {
      ...options
    };
    if (!options) options = {};
    if (keys === undefined || keys === null) return '';
    if (!Array.isArray(keys)) keys = [String(keys)];
    const returnDetails = options.returnDetails !== undefined ? options.returnDetails : this.options.returnDetails;
    const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
    const {
      key,
      namespaces
    } = this.extractFromKey(keys[keys.length - 1], options);
    const namespace = namespaces[namespaces.length - 1];
    const lng = options.lng || this.language;
    const appendNamespaceToCIMode = options.appendNamespaceToCIMode || this.options.appendNamespaceToCIMode;
    if (lng && lng.toLowerCase() === 'cimode') {
      if (appendNamespaceToCIMode) {
        const nsSeparator = options.nsSeparator || this.options.nsSeparator;
        if (returnDetails) {
          return {
            res: `${namespace}${nsSeparator}${key}`,
            usedKey: key,
            exactUsedKey: key,
            usedLng: lng,
            usedNS: namespace,
            usedParams: this.getUsedParamsDetails(options)
          };
        }
        return `${namespace}${nsSeparator}${key}`;
      }
      if (returnDetails) {
        return {
          res: key,
          usedKey: key,
          exactUsedKey: key,
          usedLng: lng,
          usedNS: namespace,
          usedParams: this.getUsedParamsDetails(options)
        };
      }
      return key;
    }
    const resolved = this.resolve(keys, options);
    let res = resolved && resolved.res;
    const resUsedKey = resolved && resolved.usedKey || key;
    const resExactUsedKey = resolved && resolved.exactUsedKey || key;
    const resType = Object.prototype.toString.apply(res);
    const noObject = ['[object Number]', '[object Function]', '[object RegExp]'];
    const joinArrays = options.joinArrays !== undefined ? options.joinArrays : this.options.joinArrays;
    const handleAsObjectInI18nFormat = !this.i18nFormat || this.i18nFormat.handleAsObject;
    const handleAsObject = typeof res !== 'string' && typeof res !== 'boolean' && typeof res !== 'number';
    if (handleAsObjectInI18nFormat && res && handleAsObject && noObject.indexOf(resType) < 0 && !(typeof joinArrays === 'string' && resType === '[object Array]')) {
      if (!options.returnObjects && !this.options.returnObjects) {
        if (!this.options.returnedObjectHandler) {
          this.logger.warn('accessing an object - but returnObjects options is not enabled!');
        }
        const r = this.options.returnedObjectHandler ? this.options.returnedObjectHandler(resUsedKey, res, {
          ...options,
          ns: namespaces
        }) : `key '${key} (${this.language})' returned an object instead of string.`;
        if (returnDetails) {
          resolved.res = r;
          resolved.usedParams = this.getUsedParamsDetails(options);
          return resolved;
        }
        return r;
      }
      if (keySeparator) {
        const resTypeIsArray = resType === '[object Array]';
        const copy = resTypeIsArray ? [] : {};
        const newKeyToUse = resTypeIsArray ? resExactUsedKey : resUsedKey;
        for (const m in res) {
          if (Object.prototype.hasOwnProperty.call(res, m)) {
            const deepKey = `${newKeyToUse}${keySeparator}${m}`;
            copy[m] = this.translate(deepKey, {
              ...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 {
      let usedDefault = false;
      let usedKey = false;
      const needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';
      const hasDefaultValue = Translator.hasDefaultValue(options);
      const defaultValueSuffix = needsPluralHandling ? this.pluralResolver.getSuffix(lng, options.count, options) : '';
      const defaultValueSuffixOrdinalFallback = options.ordinal && needsPluralHandling ? this.pluralResolver.getSuffix(lng, options.count, {
        ordinal: false
      }) : '';
      const needsZeroSuffixLookup = needsPluralHandling && !options.ordinal && options.count === 0 && this.pluralResolver.shouldUseIntlApi();
      const defaultValue = needsZeroSuffixLookup && options[`defaultValue${this.options.pluralSeparator}zero`] || options[`defaultValue${defaultValueSuffix}`] || options[`defaultValue${defaultValueSuffixOrdinalFallback}`] || options.defaultValue;
      if (!this.isValidLookup(res) && hasDefaultValue) {
        usedDefault = true;
        res = defaultValue;
      }
      if (!this.isValidLookup(res)) {
        usedKey = true;
        res = key;
      }
      const missingKeyNoValueFallbackToKey = options.missingKeyNoValueFallbackToKey || this.options.missingKeyNoValueFallbackToKey;
      const resForMissing = missingKeyNoValueFallbackToKey && usedKey ? undefined : res;
      const 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) {
          const fk = this.resolve(key, {
            ...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.');
        }
        let lngs = [];
        const fallbackLngs = this.languageUtils.getFallbackCodes(this.options.fallbackLng, options.lng || this.language);
        if (this.options.saveMissingTo === 'fallback' && fallbackLngs && fallbackLngs[0]) {
          for (let 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);
        }
        const send = (l, k, specificDefaultValue) => {
          const defaultForMissing = hasDefaultValue && specificDefaultValue !== res ? specificDefaultValue : resForMissing;
          if (this.options.missingKeyHandler) {
            this.options.missingKeyHandler(l, namespace, k, defaultForMissing, updateMissing, options);
          } else if (this.backendConnector && this.backendConnector.saveMissing) {
            this.backendConnector.saveMissing(l, namespace, k, defaultForMissing, updateMissing, options);
          }
          this.emit('missingKey', l, namespace, k, res);
        };
        if (this.options.saveMissing) {
          if (this.options.saveMissingPlurals && needsPluralHandling) {
            lngs.forEach(language => {
              const suffixes = this.pluralResolver.getSuffixes(language, options);
              if (needsZeroSuffixLookup && options[`defaultValue${this.options.pluralSeparator}zero`] && suffixes.indexOf(`${this.options.pluralSeparator}zero`) < 0) {
                suffixes.push(`${this.options.pluralSeparator}zero`);
              }
              suffixes.forEach(suffix => {
                send([language], key + suffix, options[`defaultValue${suffix}`] || defaultValue);
              });
            });
          } else {
            send(lngs, key, defaultValue);
          }
        }
      }
      res = this.extendTranslation(res, keys, options, resolved, lastKey);
      if (usedKey && res === key && this.options.appendNamespaceToMissingKey) res = `${namespace}:${key}`;
      if ((usedKey || usedDefault) && this.options.parseMissingKeyHandler) {
        if (this.options.compatibilityAPI !== 'v1') {
          res = this.options.parseMissingKeyHandler(this.options.appendNamespaceToMissingKey ? `${namespace}:${key}` : key, usedDefault ? res : undefined);
        } else {
          res = this.options.parseMissingKeyHandler(res);
        }
      }
    }
    if (returnDetails) {
      resolved.res = res;
      resolved.usedParams = this.getUsedParamsDetails(options);
      return resolved;
    }
    return res;
  }
  extendTranslation(res, key, options, resolved, lastKey) {
    var _this = this;
    if (this.i18nFormat && this.i18nFormat.parse) {
      res = this.i18nFormat.parse(res, {
        ...this.options.interpolation.defaultVariables,
        ...options
      }, options.lng || this.language || resolved.usedLng, resolved.usedNS, resolved.usedKey, {
        resolved
      });
    } else if (!options.skipInterpolation) {
      if (options.interpolation) this.interpolator.init({
        ...options,
        ...{
          interpolation: {
            ...this.options.interpolation,
            ...options.interpolation
          }
        }
      });
      const skipOnVariables = typeof res === 'string' && (options && options.interpolation && options.interpolation.skipOnVariables !== undefined ? options.interpolation.skipOnVariables : this.options.interpolation.skipOnVariables);
      let nestBef;
      if (skipOnVariables) {
        const nb = res.match(this.interpolator.nestingRegexp);
        nestBef = nb && nb.length;
      }
      let data = options.replace && typeof options.replace !== 'string' ? options.replace : options;
      if (this.options.interpolation.defaultVariables) data = {
        ...this.options.interpolation.defaultVariables,
        ...data
      };
      res = this.interpolator.interpolate(res, data, options.lng || this.language, options);
      if (skipOnVariables) {
        const na = res.match(this.interpolator.nestingRegexp);
        const nestAft = na && na.length;
        if (nestBef < nestAft) options.nest = false;
      }
      if (!options.lng && this.options.compatibilityAPI !== 'v1' && resolved && resolved.res) options.lng = resolved.usedLng;
      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) {
          _this.logger.warn(`It seems you are nesting recursively key: ${args[0]} in key: ${key[0]}`);
          return null;
        }
        return _this.translate(...args, key);
      }, options);
      if (options.interpolation) this.interpolator.reset();
    }
    const postProcess = options.postProcess || this.options.postProcess;
    const 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 ? {
        i18nResolved: {
          ...resolved,
          usedParams: this.getUsedParamsDetails(options)
        },
        ...options
      } : options, this);
    }
    return res;
  }
  resolve(keys) {
    let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    let found;
    let usedKey;
    let exactUsedKey;
    let usedLng;
    let usedNS;
    if (typeof keys === 'string') keys = [keys];
    keys.forEach(k => {
      if (this.isValidLookup(found)) return;
      const extracted = this.extractFromKey(k, options);
      const key = extracted.key;
      usedKey = key;
      let namespaces = extracted.namespaces;
      if (this.options.fallbackNS) namespaces = namespaces.concat(this.options.fallbackNS);
      const needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';
      const needsZeroSuffixLookup = needsPluralHandling && !options.ordinal && options.count === 0 && this.pluralResolver.shouldUseIntlApi();
      const needsContextHandling = options.context !== undefined && (typeof options.context === 'string' || typeof options.context === 'number') && options.context !== '';
      const codes = options.lngs ? options.lngs : this.languageUtils.toResolveHierarchy(options.lng || this.language, options.fallbackLng);
      namespaces.forEach(ns => {
        if (this.isValidLookup(found)) return;
        usedNS = ns;
        if (!checkedLoadedFor[`${codes[0]}-${ns}`] && this.utils && this.utils.hasLoadedNamespace && !this.utils.hasLoadedNamespace(usedNS)) {
          checkedLoadedFor[`${codes[0]}-${ns}`] = true;
          this.logger.warn(`key "${usedKey}" for languages "${codes.join(', ')}" won't get resolved as namespace "${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(code => {
          if (this.isValidLookup(found)) return;
          usedLng = code;
          const finalKeys = [key];
          if (this.i18nFormat && this.i18nFormat.addLookupKeys) {
            this.i18nFormat.addLookupKeys(finalKeys, key, code, ns, options);
          } else {
            let pluralSuffix;
            if (needsPluralHandling) pluralSuffix = this.pluralResolver.getSuffix(code, options.count, options);
            const zeroSuffix = `${this.options.pluralSeparator}zero`;
            const ordinalPrefix = `${this.options.pluralSeparator}ordinal${this.options.pluralSeparator}`;
            if (needsPluralHandling) {
              finalKeys.push(key + pluralSuffix);
              if (options.ordinal && pluralSuffix.indexOf(ordinalPrefix) === 0) {
                finalKeys.push(key + pluralSuffix.replace(ordinalPrefix, this.options.pluralSeparator));
              }
              if (needsZeroSuffixLookup) {
                finalKeys.push(key + zeroSuffix);
              }
            }
            if (needsContextHandling) {
              const contextKey = `${key}${this.options.contextSeparator}${options.context}`;
              finalKeys.push(contextKey);
              if (needsPluralHandling) {
                finalKeys.push(contextKey + pluralSuffix);
                if (options.ordinal && pluralSuffix.indexOf(ordinalPrefix) === 0) {
                  finalKeys.push(contextKey + pluralSuffix.replace(ordinalPrefix, this.options.pluralSeparator));
                }
                if (needsZeroSuffixLookup) {
                  finalKeys.push(contextKey + zeroSuffix);
                }
              }
            }
          }
          let possibleKey;
          while (possibleKey = finalKeys.pop()) {
            if (!this.isValidLookup(found)) {
              exactUsedKey = possibleKey;
              found = this.getResource(code, ns, possibleKey, options);
            }
          }
        });
      });
    });
    return {
      res: found,
      usedKey,
      exactUsedKey,
      usedLng,
      usedNS
    };
  }
  isValidLookup(res) {
    return res !== undefined && !(!this.options.returnNull && res === null) && !(!this.options.returnEmptyString && res === '');
  }
  getResource(code, ns, key) {
    let 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);
  }
  getUsedParamsDetails() {
    let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    const optionsKeys = ['defaultValue', 'ordinal', 'context', 'replace', 'lng', 'lngs', 'fallbackLng', 'ns', 'keySeparator', 'nsSeparator', 'returnObjects', 'returnDetails', 'joinArrays', 'postProcess', 'interpolation'];
    const useOptionsReplaceForData = options.replace && typeof options.replace !== 'string';
    let data = useOptionsReplaceForData ? options.replace : options;
    if (useOptionsReplaceForData && typeof options.count !== 'undefined') {
      data.count = options.count;
    }
    if (this.options.interpolation.defaultVariables) {
      data = {
        ...this.options.interpolation.defaultVariables,
        ...data
      };
    }
    if (!useOptionsReplaceForData) {
      data = {
        ...data
      };
      for (const key of optionsKeys) {
        delete data[key];
      }
    }
    return data;
  }
  static hasDefaultValue(options) {
    const prefix = 'defaultValue';
    for (const option in options) {
      if (Object.prototype.hasOwnProperty.call(options, option) && prefix === option.substring(0, prefix.length) && undefined !== options[option]) {
        return true;
      }
    }
    return false;
  }
}

function capitalize(string) {
  return string.charAt(0).toUpperCase() + string.slice(1);
}
class LanguageUtil {
  constructor(options) {
    this.options = options;
    this.supportedLngs = this.options.supportedLngs || false;
    this.logger = baseLogger.create('languageUtils');
  }
  getScriptPartFromCode(code) {
    code = getCleanedCode(code);
    if (!code || code.indexOf('-') < 0) return null;
    const 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('-'));
  }
  getLanguagePartFromCode(code) {
    code = getCleanedCode(code);
    if (!code || code.indexOf('-') < 0) return code;
    const p = code.split('-');
    return this.formatLanguageCode(p[0]);
  }
  formatLanguageCode(code) {
    if (typeof code === 'string' && code.indexOf('-') > -1) {
      const specialCases = ['hans', 'hant', 'latn', 'cyrl', 'cans', 'mong', 'arab'];
      let p = code.split('-');
      if (this.options.lowerCaseLng) {
        p = p.map(part => 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