load remote translations

node_modules/i18next-xhr-backend/i18nextXHRBackend.js

@@ -0,0 +1,198 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global.i18nextXHRBackend = factory());
+}(this, (function () { 'use strict';
+
+var arr = [];
+var each = arr.forEach;
+var slice = arr.slice;
+
+function defaults(obj) {
+  each.call(slice.call(arguments, 1), function (source) {
+    if (source) {
+      for (var prop in source) {
+        if (obj[prop] === undefined) obj[prop] = source[prop];
+      }
+    }
+  });
+  return obj;
+}
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+function addQueryString(url, params) {
+  if (params && (typeof params === 'undefined' ? 'undefined' : _typeof(params)) === 'object') {
+    var queryString = '',
+        e = encodeURIComponent;
+
+    // Must encode data
+    for (var paramName in params) {
+      queryString += '&' + e(paramName) + '=' + e(params[paramName]);
+    }
+
+    if (!queryString) {
+      return url;
+    }
+
+    url = url + (url.indexOf('?') !== -1 ? '&' : '?') + queryString.slice(1);
+  }
+
+  return url;
+}
+
+// https://gist.github.com/Xeoncross/7663273
+function ajax(url, options, callback, data, cache) {
+
+  if (data && (typeof data === 'undefined' ? 'undefined' : _typeof(data)) === 'object') {
+    if (!cache) {
+      data['_t'] = new Date();
+    }
+    // URL encoded form data must be in querystring format
+    data = addQueryString('', data).slice(1);
+  }
+
+  if (options.queryStringParams) {
+    url = addQueryString(url, options.queryStringParams);
+  }
+
+  try {
+    var x;
+    if (XMLHttpRequest) {
+      x = new XMLHttpRequest();
+    } else {
+      x = new ActiveXObject('MSXML2.XMLHTTP.3.0');
+    }
+    x.open(data ? 'POST' : 'GET', url, 1);
+    if (!options.crossDomain) {
+      x.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
+    }
+    x.withCredentials = !!options.withCredentials;
+    if (data) {
+      x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+    }
+    if (x.overrideMimeType) {
+      x.overrideMimeType("application/json");
+    }
+    var h = options.customHeaders;
+    if (h) {
+      for (var i in h) {
+        x.setRequestHeader(i, h[i]);
+      }
+    }
+    x.onreadystatechange = function () {
+      x.readyState > 3 && callback && callback(x.responseText, x);
+    };
+    x.send(data);
+  } catch (e) {
+    console && console.log(e);
+  }
+}
+
+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; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function getDefaults() {
+  return {
+    loadPath: '/locales/{{lng}}/{{ns}}.json',
+    addPath: '/locales/add/{{lng}}/{{ns}}',
+    allowMultiLoading: false,
+    parse: JSON.parse,
+    crossDomain: false,
+    ajax: ajax
+  };
+}
+
+var Backend = function () {
+  function Backend(services) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    _classCallCheck(this, Backend);
+
+    this.init(services, options);
+
+    this.type = 'backend';
+  }
+
+  _createClass(Backend, [{
+    key: 'init',
+    value: function init(services) {
+      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+      this.services = services;
+      this.options = defaults(options, this.options || {}, getDefaults());
+    }
+  }, {
+    key: 'readMulti',
+    value: function readMulti(languages, namespaces, callback) {
+      var loadPath = this.options.loadPath;
+      if (typeof this.options.loadPath === 'function') {
+        loadPath = this.options.loadPath(languages, namespaces);
+      }
+
+      var url = this.services.interpolator.interpolate(loadPath, { lng: languages.join('+'), ns: namespaces.join('+') });
+
+      this.loadUrl(url, callback);
+    }
+  }, {
+    key: 'read',
+    value: function read(language, namespace, callback) {
+      var loadPath = this.options.loadPath;
+      if (typeof this.options.loadPath === 'function') {
+        loadPath = this.options.loadPath([language], [namespace]);
+      }
+
+      var url = this.services.interpolator.interpolate(loadPath, { lng: language, ns: namespace });
+
+      this.loadUrl(url, callback);
+    }
+  }, {
+    key: 'loadUrl',
+    value: function loadUrl(url, callback) {
+      var _this = this;
+
+      this.options.ajax(url, this.options, function (data, xhr) {
+        if (xhr.status >= 500 && xhr.status < 600) return callback('failed loading ' + url, true /* retry */);
+        if (xhr.status >= 400 && xhr.status < 500) return callback('failed loading ' + url, false /* no retry */);
+
+        var ret = void 0,
+            err = void 0;
+        try {
+          ret = _this.options.parse(data, url);
+        } catch (e) {
+          err = 'failed parsing ' + url + ' to json';
+        }
+        if (err) return callback(err, false);
+        callback(null, ret);
+      });
+    }
+  }, {
+    key: 'create',
+    value: function create(languages, namespace, key, fallbackValue) {
+      var _this2 = this;
+
+      if (typeof languages === 'string') languages = [languages];
+
+      var payload = {};
+      payload[key] = fallbackValue || '';
+
+      languages.forEach(function (lng) {
+        var url = _this2.services.interpolator.interpolate(_this2.options.addPath, { lng: lng, ns: namespace });
+
+        _this2.options.ajax(url, _this2.options, function (data, xhr) {
+          //const statusCode = xhr.status.toString();
+          // TODO: if statusCode === 4xx do log
+        }, payload);
+      });
+    }
+  }]);
+
+  return Backend;
+}();
+
+Backend.type = 'backend';
+
+return Backend;
+
+})));