1 | (function (global, factory) {
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2 | typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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3 | typeof define === 'function' && define.amd ? define(factory) :
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4 | (global = global || self, global.i18nextXHRBackend = factory());
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5 | }(this, function () { 'use strict';
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6 |
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7 | function _classCallCheck(instance, Constructor) {
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8 | if (!(instance instanceof Constructor)) {
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9 | throw new TypeError("Cannot call a class as a function");
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10 | }
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11 | }
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12 |
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13 | function _defineProperties(target, props) {
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14 | for (var i = 0; i < props.length; i++) {
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15 | var descriptor = props[i];
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16 | descriptor.enumerable = descriptor.enumerable || false;
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17 | descriptor.configurable = true;
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18 | if ("value" in descriptor) descriptor.writable = true;
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19 | Object.defineProperty(target, descriptor.key, descriptor);
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20 | }
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21 | }
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22 |
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23 | function _createClass(Constructor, protoProps, staticProps) {
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24 | if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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25 | if (staticProps) _defineProperties(Constructor, staticProps);
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26 | return Constructor;
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27 | }
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28 |
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29 | var arr = [];
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30 | var each = arr.forEach;
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31 | var slice = arr.slice;
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32 | function defaults(obj) {
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33 | each.call(slice.call(arguments, 1), function (source) {
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34 | if (source) {
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35 | for (var prop in source) {
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36 | if (obj[prop] === undefined) obj[prop] = source[prop];
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37 | }
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38 | }
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39 | });
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40 | return obj;
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41 | }
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42 |
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43 | function _typeof2(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); }
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44 |
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45 | function _typeof(obj) {
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46 | if (typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol") {
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47 | _typeof = function _typeof(obj) {
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48 | return _typeof2(obj);
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49 | };
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50 | } else {
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51 | _typeof = function _typeof(obj) {
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52 | return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj);
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53 | };
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54 | }
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55 |
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56 | return _typeof(obj);
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57 | }
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58 |
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59 | function addQueryString(url, params) {
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60 | if (params && _typeof(params) === 'object') {
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61 | var queryString = '',
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62 | e = encodeURIComponent;
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63 |
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64 | for (var paramName in params) {
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65 | queryString += '&' + e(paramName) + '=' + e(params[paramName]);
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66 | }
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67 |
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68 | if (!queryString) {
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69 | return url;
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70 | }
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71 |
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72 | url = url + (url.indexOf('?') !== -1 ? '&' : '?') + queryString.slice(1);
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73 | }
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74 |
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75 | return url;
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76 | }
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77 |
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78 |
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79 | function ajax(url, options, callback, data, cache) {
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80 | if (data && _typeof(data) === 'object') {
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81 | if (!cache) {
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82 | data['_t'] = new Date();
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83 | }
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84 |
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85 |
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86 | data = addQueryString('', data).slice(1);
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87 | }
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88 |
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89 | if (options.queryStringParams) {
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90 | url = addQueryString(url, options.queryStringParams);
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91 | }
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92 |
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93 | try {
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94 | var x;
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95 |
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96 | if (XMLHttpRequest) {
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97 | x = new XMLHttpRequest();
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98 | } else {
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99 | x = new ActiveXObject('MSXML2.XMLHTTP.3.0');
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100 | }
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101 |
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102 | x.open(data ? 'POST' : 'GET', url, 1);
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103 |
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104 | if (!options.crossDomain) {
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105 | x.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
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106 | }
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107 |
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108 | x.withCredentials = !!options.withCredentials;
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109 |
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110 | if (data) {
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111 | x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
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112 | }
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113 |
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114 | if (x.overrideMimeType) {
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115 | x.overrideMimeType("application/json");
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116 | }
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117 |
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118 | var h = options.customHeaders;
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119 | h = typeof h === 'function' ? h() : h;
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120 |
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121 | if (h) {
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122 | for (var i in h) {
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123 | x.setRequestHeader(i, h[i]);
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124 | }
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125 | }
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126 |
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127 | x.onreadystatechange = function () {
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128 | x.readyState > 3 && callback && callback(x.responseText, x);
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129 | };
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130 |
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131 | x.send(data);
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132 | } catch (e) {
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133 | console && console.log(e);
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134 | }
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135 | }
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136 |
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137 | function getDefaults() {
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138 | return {
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139 | loadPath: '/locales/{{lng}}/{{ns}}.json',
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140 | addPath: '/locales/add/{{lng}}/{{ns}}',
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141 | allowMultiLoading: false,
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142 | parse: JSON.parse,
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143 | crossDomain: false,
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144 | ajax: ajax
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145 | };
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146 | }
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147 |
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148 | var Backend =
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149 |
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150 | function () {
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151 | function Backend(services) {
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152 | var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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153 |
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154 | _classCallCheck(this, Backend);
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155 |
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156 | this.init(services, options);
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157 | this.type = 'backend';
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158 | }
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159 |
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160 | _createClass(Backend, [{
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161 | key: "init",
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162 | value: function init(services) {
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163 | var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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164 | this.services = services;
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165 | this.options = defaults(options, this.options || {}, getDefaults());
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166 | }
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167 | }, {
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168 | key: "readMulti",
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169 | value: function readMulti(languages, namespaces, callback) {
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170 | var loadPath = this.options.loadPath;
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171 |
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172 | if (typeof this.options.loadPath === 'function') {
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173 | loadPath = this.options.loadPath(languages, namespaces);
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174 | }
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175 |
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176 | var url = this.services.interpolator.interpolate(loadPath, {
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177 | lng: languages.join('+'),
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178 | ns: namespaces.join('+')
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179 | });
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180 | this.loadUrl(url, callback);
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181 | }
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182 | }, {
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183 | key: "read",
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184 | value: function read(language, namespace, callback) {
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185 | var loadPath = this.options.loadPath;
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186 |
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187 | if (typeof this.options.loadPath === 'function') {
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188 | loadPath = this.options.loadPath([language], [namespace]);
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189 | }
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190 |
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191 | var url = this.services.interpolator.interpolate(loadPath, {
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192 | lng: language,
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193 | ns: namespace
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194 | });
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195 | this.loadUrl(url, callback);
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196 | }
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197 | }, {
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198 | key: "loadUrl",
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199 | value: function loadUrl(url, callback) {
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200 | var _this = this;
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201 |
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202 | this.options.ajax(url, this.options, function (data, xhr) {
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203 | if (xhr.status >= 500 && xhr.status < 600) return callback('failed loading ' + url, true
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204 |
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205 | );
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206 | if (xhr.status >= 400 && xhr.status < 500) return callback('failed loading ' + url, false
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207 |
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208 | );
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209 | var ret, err;
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210 |
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211 | try {
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212 | ret = _this.options.parse(data, url);
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213 | } catch (e) {
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214 | err = 'failed parsing ' + url + ' to json';
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215 | }
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216 |
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217 | if (err) return callback(err, false);
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218 | callback(null, ret);
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219 | });
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220 | }
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221 | }, {
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222 | key: "create",
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223 | value: function create(languages, namespace, key, fallbackValue) {
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224 | var _this2 = this;
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225 |
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226 | if (typeof languages === 'string') languages = [languages];
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227 | var payload = {};
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228 | payload[key] = fallbackValue || '';
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229 | languages.forEach(function (lng) {
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230 | var url = _this2.services.interpolator.interpolate(_this2.options.addPath, {
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231 | lng: lng,
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232 | ns: namespace
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233 | });
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234 |
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235 | _this2.options.ajax(url, _this2.options, function (data, xhr) {
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236 |
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237 | }, payload);
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238 | });
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239 | }
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240 | }]);
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241 |
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242 | return Backend;
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243 | }();
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244 |
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245 | Backend.type = 'backend';
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246 |
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247 | return Backend;
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248 |
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249 | }));
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