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2019-04-12 19:28:21 +02:00
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node_modules/i18next/dist/commonjs/Translator.js generated vendored Normal file
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"use strict";
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread"));
var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _logger = _interopRequireDefault(require("./logger.js"));
var _EventEmitter2 = _interopRequireDefault(require("./EventEmitter.js"));
var _postProcessor = _interopRequireDefault(require("./postProcessor.js"));
var utils = _interopRequireWildcard(require("./utils.js"));
var Translator =
/*#__PURE__*/
function (_EventEmitter) {
(0, _inherits2.default)(Translator, _EventEmitter);
function Translator(services) {
var _this;
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
(0, _classCallCheck2.default)(this, Translator);
_this = (0, _possibleConstructorReturn2.default)(this, (0, _getPrototypeOf2.default)(Translator).call(this));
_EventEmitter2.default.call((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this))); // <=IE10 fix (unable to call parent constructor)
utils.copy(['resourceStore', 'languageUtils', 'pluralResolver', 'interpolator', 'backendConnector', 'i18nFormat'], services, (0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)));
_this.options = options;
if (_this.options.keySeparator === undefined) {
_this.options.keySeparator = '.';
}
_this.logger = _logger.default.create('translator');
return _this;
}
(0, _createClass2.default)(Translator, [{
key: "changeLanguage",
value: function changeLanguage(lng) {
if (lng) this.language = lng;
}
}, {
key: "exists",
value: function exists(key) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
interpolation: {}
};
var resolved = this.resolve(key, options);
return resolved && resolved.res !== undefined;
}
}, {
key: "extractFromKey",
value: function extractFromKey(key, options) {
var nsSeparator = options.nsSeparator || this.options.nsSeparator;
if (nsSeparator === undefined) nsSeparator = ':';
var keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;
var namespaces = options.ns || this.options.defaultNS;
if (nsSeparator && key.indexOf(nsSeparator) > -1) {
var 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: key,
namespaces: namespaces
};
}
}, {
key: "translate",
value: function translate(keys, options) {
var _this2 = this;
if ((0, _typeof2.default)(options) !== 'object' && this.options.overloadTranslationOptionHandler) {
/* eslint prefer-rest-params: 0 */
options = this.options.overloadTranslationOptionHandler(arguments);
}
if (!options) options = {}; // non valid keys handling
if (keys === undefined || keys === null) return '';
if (!Array.isArray(keys)) keys = [String(keys)]; // separators
var keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator; // get namespace(s)
var _this$extractFromKey = this.extractFromKey(keys[keys.length - 1], options),
key = _this$extractFromKey.key,
namespaces = _this$extractFromKey.namespaces;
var namespace = namespaces[namespaces.length - 1]; // return key on CIMode
var lng = options.lng || this.language;
var appendNamespaceToCIMode = options.appendNamespaceToCIMode || this.options.appendNamespaceToCIMode;
if (lng && lng.toLowerCase() === 'cimode') {
if (appendNamespaceToCIMode) {
var nsSeparator = options.nsSeparator || this.options.nsSeparator;
return namespace + nsSeparator + key;
}
return key;
} // resolve from store
var resolved = this.resolve(keys, options);
var res = resolved && resolved.res;
var resUsedKey = resolved && resolved.usedKey || key;
var resExactUsedKey = resolved && resolved.exactUsedKey || key;
var resType = Object.prototype.toString.apply(res);
var noObject = ['[object Number]', '[object Function]', '[object RegExp]'];
var joinArrays = options.joinArrays !== undefined ? options.joinArrays : this.options.joinArrays; // object
var handleAsObjectInI18nFormat = !this.i18nFormat || this.i18nFormat.handleAsObject;
var 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) {
this.logger.warn('accessing an object - but returnObjects options is not enabled!');
return this.options.returnedObjectHandler ? this.options.returnedObjectHandler(resUsedKey, res, options) : "key '".concat(key, " (").concat(this.language, ")' returned an object instead of string.");
} // if we got a separator we loop over children - else we just return object as is
// as having it set to false means no hierarchy so no lookup for nested values
if (keySeparator) {
var resTypeIsArray = resType === '[object Array]';
var copy = resTypeIsArray ? [] : {}; // apply child translation on a copy
/* eslint no-restricted-syntax: 0 */
var newKeyToUse = resTypeIsArray ? resExactUsedKey : resUsedKey;
for (var m in res) {
if (Object.prototype.hasOwnProperty.call(res, m)) {
var deepKey = "".concat(newKeyToUse).concat(keySeparator).concat(m);
copy[m] = this.translate(deepKey, (0, _objectSpread2.default)({}, options, {
joinArrays: false,
ns: namespaces
}));
if (copy[m] === deepKey) copy[m] = res[m]; // if nothing found use orginal value as fallback
}
}
res = copy;
}
} else if (handleAsObjectInI18nFormat && typeof joinArrays === 'string' && resType === '[object Array]') {
// array special treatment
res = res.join(joinArrays);
if (res) res = this.extendTranslation(res, keys, options);
} else {
// string, empty or null
var usedDefault = false;
var usedKey = false; // fallback value
if (!this.isValidLookup(res) && options.defaultValue !== undefined) {
usedDefault = true;
if (options.count !== undefined) {
var suffix = this.pluralResolver.getSuffix(lng, options.count);
res = options["defaultValue".concat(suffix)];
}
if (!res) res = options.defaultValue;
}
if (!this.isValidLookup(res)) {
usedKey = true;
res = key;
} // save missing
var updateMissing = options.defaultValue && options.defaultValue !== res && this.options.updateMissing;
if (usedKey || usedDefault || updateMissing) {
this.logger.log(updateMissing ? 'updateKey' : 'missingKey', lng, namespace, key, updateMissing ? options.defaultValue : res);
var lngs = [];
var fallbackLngs = this.languageUtils.getFallbackCodes(this.options.fallbackLng, options.lng || this.language);
if (this.options.saveMissingTo === 'fallback' && fallbackLngs && fallbackLngs[0]) {
for (var 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);
}
var send = function send(l, k) {
if (_this2.options.missingKeyHandler) {
_this2.options.missingKeyHandler(l, namespace, k, updateMissing ? options.defaultValue : res, updateMissing, options);
} else if (_this2.backendConnector && _this2.backendConnector.saveMissing) {
_this2.backendConnector.saveMissing(l, namespace, k, updateMissing ? options.defaultValue : res, updateMissing, options);
}
_this2.emit('missingKey', l, namespace, k, res);
};
if (this.options.saveMissing) {
var needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';
if (this.options.saveMissingPlurals && needsPluralHandling) {
lngs.forEach(function (l) {
var plurals = _this2.pluralResolver.getPluralFormsOfKey(l, key);
plurals.forEach(function (p) {
return send([l], p);
});
});
} else {
send(lngs, key);
}
}
} // extend
res = this.extendTranslation(res, keys, options, resolved); // append namespace if still key
if (usedKey && res === key && this.options.appendNamespaceToMissingKey) res = "".concat(namespace, ":").concat(key); // parseMissingKeyHandler
if (usedKey && this.options.parseMissingKeyHandler) res = this.options.parseMissingKeyHandler(res);
} // return
return res;
}
}, {
key: "extendTranslation",
value: function extendTranslation(res, key, options, resolved) {
var _this3 = this;
if (this.i18nFormat && this.i18nFormat.parse) {
res = this.i18nFormat.parse(res, options, resolved.usedLng, resolved.usedNS, resolved.usedKey, {
resolved: resolved
});
} else if (!options.skipInterpolation) {
// i18next.parsing
if (options.interpolation) this.interpolator.init((0, _objectSpread2.default)({}, options, {
interpolation: (0, _objectSpread2.default)({}, this.options.interpolation, options.interpolation)
})); // interpolate
var data = options.replace && typeof options.replace !== 'string' ? options.replace : options;
if (this.options.interpolation.defaultVariables) data = (0, _objectSpread2.default)({}, this.options.interpolation.defaultVariables, data);
res = this.interpolator.interpolate(res, data, options.lng || this.language, options); // nesting
if (options.nest !== false) res = this.interpolator.nest(res, function () {
return _this3.translate.apply(_this3, arguments);
}, options);
if (options.interpolation) this.interpolator.reset();
} // post process
var postProcess = options.postProcess || this.options.postProcess;
var postProcessorNames = typeof postProcess === 'string' ? [postProcess] : postProcess;
if (res !== undefined && res !== null && postProcessorNames && postProcessorNames.length && options.applyPostProcessor !== false) {
res = _postProcessor.default.handle(postProcessorNames, res, key, options, this);
}
return res;
}
}, {
key: "resolve",
value: function resolve(keys) {
var _this4 = this;
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var found;
var usedKey; // plain key
var exactUsedKey; // key with context / plural
var usedLng;
var usedNS;
if (typeof keys === 'string') keys = [keys]; // forEach possible key
keys.forEach(function (k) {
if (_this4.isValidLookup(found)) return;
var extracted = _this4.extractFromKey(k, options);
var key = extracted.key;
usedKey = key;
var namespaces = extracted.namespaces;
if (_this4.options.fallbackNS) namespaces = namespaces.concat(_this4.options.fallbackNS);
var needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';
var needsContextHandling = options.context !== undefined && typeof options.context === 'string' && options.context !== '';
var codes = options.lngs ? options.lngs : _this4.languageUtils.toResolveHierarchy(options.lng || _this4.language, options.fallbackLng);
namespaces.forEach(function (ns) {
if (_this4.isValidLookup(found)) return;
usedNS = ns;
codes.forEach(function (code) {
if (_this4.isValidLookup(found)) return;
usedLng = code;
var finalKey = key;
var finalKeys = [finalKey];
if (_this4.i18nFormat && _this4.i18nFormat.addLookupKeys) {
_this4.i18nFormat.addLookupKeys(finalKeys, key, code, ns, options);
} else {
var pluralSuffix;
if (needsPluralHandling) pluralSuffix = _this4.pluralResolver.getSuffix(code, options.count); // fallback for plural if context not found
if (needsPluralHandling && needsContextHandling) finalKeys.push(finalKey + pluralSuffix); // get key for context if needed
if (needsContextHandling) finalKeys.push(finalKey += "".concat(_this4.options.contextSeparator).concat(options.context)); // get key for plural if needed
if (needsPluralHandling) finalKeys.push(finalKey += pluralSuffix);
} // iterate over finalKeys starting with most specific pluralkey (-> contextkey only) -> singularkey only
var possibleKey;
/* eslint no-cond-assign: 0 */
while (possibleKey = finalKeys.pop()) {
if (!_this4.isValidLookup(found)) {
exactUsedKey = possibleKey;
found = _this4.getResource(code, ns, possibleKey, options);
}
}
});
});
});
return {
res: found,
usedKey: usedKey,
exactUsedKey: exactUsedKey,
usedLng: usedLng,
usedNS: usedNS
};
}
}, {
key: "isValidLookup",
value: function isValidLookup(res) {
return res !== undefined && !(!this.options.returnNull && res === null) && !(!this.options.returnEmptyString && res === '');
}
}, {
key: "getResource",
value: function getResource(code, ns, key) {
var 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);
}
}]);
return Translator;
}(_EventEmitter2.default);
var _default = Translator;
exports.default = _default;