let i18nextBrowserLanguageDetector detect the lang
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322
node_modules/i18next-browser-languagedetector/i18nextBrowserLanguageDetector.js
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322
node_modules/i18next-browser-languagedetector/i18nextBrowserLanguageDetector.js
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global.i18nextBrowserLanguageDetector = factory());
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}(this, function () { 'use strict';
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var arr = [];
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var each = arr.forEach;
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var slice = arr.slice;
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function defaults(obj) {
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each.call(slice.call(arguments, 1), function (source) {
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if (source) {
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for (var prop in source) {
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if (obj[prop] === undefined) obj[prop] = source[prop];
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}
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}
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});
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return obj;
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}
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var cookie = {
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create: function create(name, value, minutes, domain) {
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var expires = void 0;
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if (minutes) {
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var date = new Date();
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date.setTime(date.getTime() + minutes * 60 * 1000);
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expires = '; expires=' + date.toGMTString();
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} else expires = '';
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domain = domain ? 'domain=' + domain + ';' : '';
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document.cookie = name + '=' + value + expires + ';' + domain + 'path=/';
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},
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read: function read(name) {
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var nameEQ = name + '=';
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var ca = document.cookie.split(';');
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for (var i = 0; i < ca.length; i++) {
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var c = ca[i];
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while (c.charAt(0) === ' ') {
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c = c.substring(1, c.length);
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}if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
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}
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return null;
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},
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remove: function remove(name) {
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this.create(name, '', -1);
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}
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};
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var cookie$1 = {
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name: 'cookie',
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lookup: function lookup(options) {
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var found = void 0;
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if (options.lookupCookie && typeof document !== 'undefined') {
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var c = cookie.read(options.lookupCookie);
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if (c) found = c;
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}
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return found;
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},
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cacheUserLanguage: function cacheUserLanguage(lng, options) {
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if (options.lookupCookie && typeof document !== 'undefined') {
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cookie.create(options.lookupCookie, lng, options.cookieMinutes, options.cookieDomain);
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}
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}
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};
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var querystring = {
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name: 'querystring',
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lookup: function lookup(options) {
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var found = void 0;
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if (typeof window !== 'undefined') {
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var query = window.location.search.substring(1);
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var params = query.split('&');
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for (var i = 0; i < params.length; i++) {
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var pos = params[i].indexOf('=');
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if (pos > 0) {
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var key = params[i].substring(0, pos);
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if (key === options.lookupQuerystring) {
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found = params[i].substring(pos + 1);
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}
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}
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}
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}
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return found;
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}
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};
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var hasLocalStorageSupport = void 0;
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try {
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hasLocalStorageSupport = window !== 'undefined' && window.localStorage !== null;
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var testKey = 'i18next.translate.boo';
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window.localStorage.setItem(testKey, 'foo');
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window.localStorage.removeItem(testKey);
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} catch (e) {
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hasLocalStorageSupport = false;
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}
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var localStorage = {
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name: 'localStorage',
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lookup: function lookup(options) {
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var found = void 0;
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if (options.lookupLocalStorage && hasLocalStorageSupport) {
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var lng = window.localStorage.getItem(options.lookupLocalStorage);
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if (lng) found = lng;
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}
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return found;
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},
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cacheUserLanguage: function cacheUserLanguage(lng, options) {
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if (options.lookupLocalStorage && hasLocalStorageSupport) {
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window.localStorage.setItem(options.lookupLocalStorage, lng);
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}
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}
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};
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var navigator$1 = {
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name: 'navigator',
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lookup: function lookup(options) {
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var found = [];
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if (typeof navigator !== 'undefined') {
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if (navigator.languages) {
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// chrome only; not an array, so can't use .push.apply instead of iterating
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for (var i = 0; i < navigator.languages.length; i++) {
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found.push(navigator.languages[i]);
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}
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}
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if (navigator.userLanguage) {
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found.push(navigator.userLanguage);
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}
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if (navigator.language) {
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found.push(navigator.language);
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}
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}
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return found.length > 0 ? found : undefined;
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}
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};
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var htmlTag = {
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name: 'htmlTag',
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lookup: function lookup(options) {
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var found = void 0;
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var htmlTag = options.htmlTag || (typeof document !== 'undefined' ? document.documentElement : null);
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if (htmlTag && typeof htmlTag.getAttribute === 'function') {
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found = htmlTag.getAttribute('lang');
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}
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return found;
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}
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};
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var path = {
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name: 'path',
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lookup: function lookup(options) {
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var found = void 0;
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if (typeof window !== 'undefined') {
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var language = window.location.pathname.match(/\/([a-zA-Z-]*)/g);
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if (language instanceof Array) {
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if (typeof options.lookupFromPathIndex === 'number') {
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if (typeof language[options.lookupFromPathIndex] !== 'string') {
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return undefined;
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}
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found = language[options.lookupFromPathIndex].replace('/', '');
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} else {
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found = language[0].replace('/', '');
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}
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}
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}
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return found;
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}
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};
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var subdomain = {
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name: 'subdomain',
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lookup: function lookup(options) {
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var found = void 0;
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if (typeof window !== 'undefined') {
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var language = window.location.href.match(/(?:http[s]*\:\/\/)*(.*?)\.(?=[^\/]*\..{2,5})/gi);
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if (language instanceof Array) {
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if (typeof options.lookupFromSubdomainIndex === 'number') {
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found = language[options.lookupFromSubdomainIndex].replace('http://', '').replace('https://', '').replace('.', '');
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} else {
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found = language[0].replace('http://', '').replace('https://', '').replace('.', '');
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}
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}
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}
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return found;
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}
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};
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var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function getDefaults() {
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return {
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order: ['querystring', 'cookie', 'localStorage', 'navigator', 'htmlTag'],
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lookupQuerystring: 'lng',
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lookupCookie: 'i18next',
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lookupLocalStorage: 'i18nextLng',
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// cache user language
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caches: ['localStorage'],
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excludeCacheFor: ['cimode']
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//cookieMinutes: 10,
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//cookieDomain: 'myDomain'
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};
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}
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var Browser = function () {
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function Browser(services) {
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var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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_classCallCheck(this, Browser);
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this.type = 'languageDetector';
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this.detectors = {};
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this.init(services, options);
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}
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_createClass(Browser, [{
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key: 'init',
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value: function init(services) {
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var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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var i18nOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
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this.services = services;
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this.options = defaults(options, this.options || {}, getDefaults());
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// backwards compatibility
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if (this.options.lookupFromUrlIndex) this.options.lookupFromPathIndex = this.options.lookupFromUrlIndex;
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this.i18nOptions = i18nOptions;
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this.addDetector(cookie$1);
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this.addDetector(querystring);
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this.addDetector(localStorage);
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this.addDetector(navigator$1);
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this.addDetector(htmlTag);
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this.addDetector(path);
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this.addDetector(subdomain);
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}
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}, {
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key: 'addDetector',
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value: function addDetector(detector) {
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this.detectors[detector.name] = detector;
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}
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}, {
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key: 'detect',
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value: function detect(detectionOrder) {
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var _this = this;
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if (!detectionOrder) detectionOrder = this.options.order;
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var detected = [];
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detectionOrder.forEach(function (detectorName) {
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if (_this.detectors[detectorName]) {
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var lookup = _this.detectors[detectorName].lookup(_this.options);
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if (lookup && typeof lookup === 'string') lookup = [lookup];
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if (lookup) detected = detected.concat(lookup);
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}
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});
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var found = void 0;
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detected.forEach(function (lng) {
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if (found) return;
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var cleanedLng = _this.services.languageUtils.formatLanguageCode(lng);
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if (_this.services.languageUtils.isWhitelisted(cleanedLng)) found = cleanedLng;
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});
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if (!found) {
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var fallbacks = this.i18nOptions.fallbackLng;
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if (typeof fallbacks === 'string') fallbacks = [fallbacks];
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if (!fallbacks) fallbacks = [];
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if (Object.prototype.toString.apply(fallbacks) === '[object Array]') {
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found = fallbacks[0];
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} else {
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found = fallbacks[0] || fallbacks.default && fallbacks.default[0];
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}
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};
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return found;
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}
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}, {
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key: 'cacheUserLanguage',
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value: function cacheUserLanguage(lng, caches) {
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var _this2 = this;
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if (!caches) caches = this.options.caches;
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if (!caches) return;
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if (this.options.excludeCacheFor && this.options.excludeCacheFor.indexOf(lng) > -1) return;
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caches.forEach(function (cacheName) {
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if (_this2.detectors[cacheName]) _this2.detectors[cacheName].cacheUserLanguage(lng, _this2.options);
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});
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}
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}]);
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return Browser;
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}();
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Browser.type = 'languageDetector';
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return Browser;
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}));
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