i18next-http-backend
Version:
i18next-http-backend is a backend layer for i18next using in Node.js, in the browser and for Deno.
411 lines (406 loc) • 20.4 kB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.i18nextHttpBackend = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _utils = require("./utils.js");
var _request = _interopRequireDefault(require("./request.js"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var getDefaults = function getDefaults() {
return {
loadPath: '/locales/{{lng}}/{{ns}}.json',
addPath: '/locales/add/{{lng}}/{{ns}}',
parse: function parse(data) {
return JSON.parse(data);
},
stringify: JSON.stringify,
parsePayload: function parsePayload(namespace, key, fallbackValue) {
return _defineProperty({}, key, fallbackValue || '');
},
parseLoadPayload: function parseLoadPayload(languages, namespaces) {
return undefined;
},
request: _request.default,
reloadInterval: typeof window !== 'undefined' ? false : 60 * 60 * 1000,
customHeaders: {},
queryStringParams: {},
crossDomain: false,
withCredentials: false,
overrideMimeType: false,
requestOptions: {
mode: 'cors',
credentials: 'same-origin',
cache: 'default'
}
};
};
var Backend = function () {
function Backend(services) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var allOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
_classCallCheck(this, Backend);
this.services = services;
this.options = options;
this.allOptions = allOptions;
this.type = 'backend';
this.init(services, options, allOptions);
}
return _createClass(Backend, [{
key: "init",
value: function init(services) {
var _this = this;
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var allOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
this.services = services;
this.options = _objectSpread(_objectSpread(_objectSpread({}, getDefaults()), this.options || {}), options);
this.allOptions = allOptions;
if (this.services && this.options.reloadInterval) {
var timer = setInterval(function () {
return _this.reload();
}, this.options.reloadInterval);
if (_typeof(timer) === 'object' && typeof timer.unref === 'function') timer.unref();
}
}
}, {
key: "readMulti",
value: function readMulti(languages, namespaces, callback) {
this._readAny(languages, languages, namespaces, namespaces, callback);
}
}, {
key: "read",
value: function read(language, namespace, callback) {
this._readAny([language], language, [namespace], namespace, callback);
}
}, {
key: "_readAny",
value: function _readAny(languages, loadUrlLanguages, namespaces, loadUrlNamespaces, callback) {
var _this2 = this;
var loadPath = this.options.loadPath;
if (typeof this.options.loadPath === 'function') {
loadPath = this.options.loadPath(languages, namespaces);
}
loadPath = (0, _utils.makePromise)(loadPath);
loadPath.then(function (resolvedLoadPath) {
if (!resolvedLoadPath) return callback(null, {});
var url = _this2.services.interpolator.interpolate(resolvedLoadPath, {
lng: languages.join('+'),
ns: namespaces.join('+')
});
_this2.loadUrl(url, callback, loadUrlLanguages, loadUrlNamespaces);
});
}
}, {
key: "loadUrl",
value: function loadUrl(url, callback, languages, namespaces) {
var _this3 = this;
var lng = typeof languages === 'string' ? [languages] : languages;
var ns = typeof namespaces === 'string' ? [namespaces] : namespaces;
var payload = this.options.parseLoadPayload(lng, ns);
this.options.request(this.options, url, payload, function (err, res) {
if (res && (res.status >= 500 && res.status < 600 || !res.status)) return callback('failed loading ' + url + '; status code: ' + res.status, true);
if (res && res.status >= 400 && res.status < 500) return callback('failed loading ' + url + '; status code: ' + res.status, false);
if (!res && err && err.message) {
var errorMessage = err.message.toLowerCase();
var isNetworkError = ['failed', 'fetch', 'network', 'load'].find(function (term) {
return errorMessage.indexOf(term) > -1;
});
if (isNetworkError) {
return callback('failed loading ' + url + ': ' + err.message, true);
}
}
if (err) return callback(err, false);
var ret, parseErr;
try {
if (typeof res.data === 'string') {
ret = _this3.options.parse(res.data, languages, namespaces);
} else {
ret = res.data;
}
} catch (e) {
parseErr = 'failed parsing ' + url + ' to json';
}
if (parseErr) return callback(parseErr, false);
callback(null, ret);
});
}
}, {
key: "create",
value: function create(languages, namespace, key, fallbackValue, callback) {
var _this4 = this;
if (!this.options.addPath) return;
if (typeof languages === 'string') languages = [languages];
var payload = this.options.parsePayload(namespace, key, fallbackValue);
var finished = 0;
var dataArray = [];
var resArray = [];
languages.forEach(function (lng) {
var addPath = _this4.options.addPath;
if (typeof _this4.options.addPath === 'function') {
addPath = _this4.options.addPath(lng, namespace);
}
var url = _this4.services.interpolator.interpolate(addPath, {
lng: lng,
ns: namespace
});
_this4.options.request(_this4.options, url, payload, function (data, res) {
finished += 1;
dataArray.push(data);
resArray.push(res);
if (finished === languages.length) {
if (typeof callback === 'function') callback(dataArray, resArray);
}
});
});
}
}, {
key: "reload",
value: function reload() {
var _this5 = this;
var _this$services = this.services,
backendConnector = _this$services.backendConnector,
languageUtils = _this$services.languageUtils,
logger = _this$services.logger;
var currentLanguage = backendConnector.language;
if (currentLanguage && currentLanguage.toLowerCase() === 'cimode') return;
var toLoad = [];
var append = function append(lng) {
var lngs = languageUtils.toResolveHierarchy(lng);
lngs.forEach(function (l) {
if (toLoad.indexOf(l) < 0) toLoad.push(l);
});
};
append(currentLanguage);
if (this.allOptions.preload) this.allOptions.preload.forEach(function (l) {
return append(l);
});
toLoad.forEach(function (lng) {
_this5.allOptions.ns.forEach(function (ns) {
backendConnector.read(lng, ns, 'read', null, null, function (err, data) {
if (err) logger.warn("loading namespace ".concat(ns, " for language ").concat(lng, " failed"), err);
if (!err && data) logger.log("loaded namespace ".concat(ns, " for language ").concat(lng), data);
backendConnector.loaded("".concat(lng, "|").concat(ns), err, data);
});
});
});
}
}]);
}();
Backend.type = 'backend';
var _default = exports.default = Backend;
module.exports = exports.default;
},{"./request.js":2,"./utils.js":3}],2:[function(require,module,exports){
(function (global){(function (){
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _utils = require("./utils.js");
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
var fetchApi = typeof fetch === 'function' ? fetch : undefined;
if (typeof global !== 'undefined' && global.fetch) {
fetchApi = global.fetch;
} else if (typeof window !== 'undefined' && window.fetch) {
fetchApi = window.fetch;
}
var XmlHttpRequestApi;
if ((0, _utils.hasXMLHttpRequest)()) {
if (typeof global !== 'undefined' && global.XMLHttpRequest) {
XmlHttpRequestApi = global.XMLHttpRequest;
} else if (typeof window !== 'undefined' && window.XMLHttpRequest) {
XmlHttpRequestApi = window.XMLHttpRequest;
}
}
var ActiveXObjectApi;
if (typeof ActiveXObject === 'function') {
if (typeof global !== 'undefined' && global.ActiveXObject) {
ActiveXObjectApi = global.ActiveXObject;
} else if (typeof window !== 'undefined' && window.ActiveXObject) {
ActiveXObjectApi = window.ActiveXObject;
}
}
if (typeof fetchApi !== 'function') fetchApi = undefined;
if (!fetchApi && !XmlHttpRequestApi && !ActiveXObjectApi) {
try {
fetchApi = require('cross-fetch');
} catch (e) {}
}
var addQueryString = function addQueryString(url, params) {
if (params && _typeof(params) === 'object') {
var queryString = '';
for (var paramName in params) {
queryString += '&' + encodeURIComponent(paramName) + '=' + encodeURIComponent(params[paramName]);
}
if (!queryString) return url;
url = url + (url.indexOf('?') !== -1 ? '&' : '?') + queryString.slice(1);
}
return url;
};
var fetchIt = function fetchIt(url, fetchOptions, callback, altFetch) {
var resolver = function resolver(response) {
if (!response.ok) return callback(response.statusText || 'Error', {
status: response.status
});
response.text().then(function (data) {
callback(null, {
status: response.status,
data: data
});
}).catch(callback);
};
if (altFetch) {
var altResponse = altFetch(url, fetchOptions);
if (altResponse instanceof Promise) {
altResponse.then(resolver).catch(callback);
return;
}
}
if (typeof fetch === 'function') {
fetch(url, fetchOptions).then(resolver).catch(callback);
} else {
fetchApi(url, fetchOptions).then(resolver).catch(callback);
}
};
var omitFetchOptions = false;
var requestWithFetch = function requestWithFetch(options, url, payload, callback) {
if (options.queryStringParams) {
url = addQueryString(url, options.queryStringParams);
}
var headers = _objectSpread({}, typeof options.customHeaders === 'function' ? options.customHeaders() : options.customHeaders);
if (typeof window === 'undefined' && typeof global !== 'undefined' && typeof global.process !== 'undefined' && global.process.versions && global.process.versions.node) {
headers['User-Agent'] = "i18next-http-backend (node/".concat(global.process.version, "; ").concat(global.process.platform, " ").concat(global.process.arch, ")");
}
if (payload) headers['Content-Type'] = 'application/json';
var reqOptions = typeof options.requestOptions === 'function' ? options.requestOptions(payload) : options.requestOptions;
var fetchOptions = _objectSpread({
method: payload ? 'POST' : 'GET',
body: payload ? options.stringify(payload) : undefined,
headers: headers
}, omitFetchOptions ? {} : reqOptions);
var altFetch = typeof options.alternateFetch === 'function' && options.alternateFetch.length >= 1 ? options.alternateFetch : undefined;
try {
fetchIt(url, fetchOptions, callback, altFetch);
} catch (e) {
if (!reqOptions || Object.keys(reqOptions).length === 0 || !e.message || e.message.indexOf('not implemented') < 0) {
return callback(e);
}
try {
Object.keys(reqOptions).forEach(function (opt) {
delete fetchOptions[opt];
});
fetchIt(url, fetchOptions, callback, altFetch);
omitFetchOptions = true;
} catch (err) {
callback(err);
}
}
};
var requestWithXmlHttpRequest = function requestWithXmlHttpRequest(options, url, payload, callback) {
if (payload && _typeof(payload) === 'object') {
payload = addQueryString('', payload).slice(1);
}
if (options.queryStringParams) {
url = addQueryString(url, options.queryStringParams);
}
try {
var x = XmlHttpRequestApi ? new XmlHttpRequestApi() : new ActiveXObjectApi('MSXML2.XMLHTTP.3.0');
x.open(payload ? 'POST' : 'GET', url, 1);
if (!options.crossDomain) {
x.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
}
x.withCredentials = !!options.withCredentials;
if (payload) {
x.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}
if (x.overrideMimeType) {
x.overrideMimeType('application/json');
}
var h = options.customHeaders;
h = typeof h === 'function' ? h() : h;
if (h) {
for (var i in h) {
x.setRequestHeader(i, h[i]);
}
}
x.onreadystatechange = function () {
x.readyState > 3 && callback(x.status >= 400 ? x.statusText : null, {
status: x.status,
data: x.responseText
});
};
x.send(payload);
} catch (e) {
console && console.log(e);
}
};
var request = function request(options, url, payload, callback) {
if (typeof payload === 'function') {
callback = payload;
payload = undefined;
}
callback = callback || function () {};
if (fetchApi && url.indexOf('file:') !== 0) {
return requestWithFetch(options, url, payload, callback);
}
if ((0, _utils.hasXMLHttpRequest)() || typeof ActiveXObject === 'function') {
return requestWithXmlHttpRequest(options, url, payload, callback);
}
callback(new Error('No fetch and no xhr implementation found!'));
};
var _default = exports.default = request;
module.exports = exports.default;
}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./utils.js":3,"cross-fetch":4}],3:[function(require,module,exports){
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.defaults = defaults;
exports.hasXMLHttpRequest = hasXMLHttpRequest;
exports.makePromise = makePromise;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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;
}
function hasXMLHttpRequest() {
return typeof XMLHttpRequest === 'function' || (typeof XMLHttpRequest === "undefined" ? "undefined" : _typeof(XMLHttpRequest)) === 'object';
}
function isPromise(maybePromise) {
return !!maybePromise && typeof maybePromise.then === 'function';
}
function makePromise(maybePromise) {
if (isPromise(maybePromise)) {
return maybePromise;
}
return Promise.resolve(maybePromise);
}
},{}],4:[function(require,module,exports){
},{}]},{},[1])(1)
});