|                                                                                                                                                                                                                                                                                                                                                                                                                                           |  | (function (global, factory) {  if (typeof define === "function" && define.amd) {    define(["exports"], factory);  } else if (typeof exports !== "undefined") {    factory(exports);  } else {    var mod = {      exports: {}    };    factory(mod.exports);    global.jstoxml = mod.exports;  }})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {  "use strict";
  Object.defineProperty(_exports, "__esModule", {    value: true  });  _exports.toXML = _exports.default = void 0;
  function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
  function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
  function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
  function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
  function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
  function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
  function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
  function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
  function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
  function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
  var ARRAY = "array";  var BOOLEAN = "boolean";  var DATE = "date";  var NULL = "null";  var NUMBER = "number";  var OBJECT = "object";  var SPECIAL_OBJECT = "special-object";  var STRING = "string";  var PRIVATE_VARS = ["_selfCloseTag", "_attrs"];  var PRIVATE_VARS_REGEXP = new RegExp(PRIVATE_VARS.join("|"), "g");  /**   * Determines the indent string based on current tree depth.   */
  var getIndentStr = function getIndentStr() {    var indent = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "";    var depth = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;    return indent.repeat(depth);  };  /**   * Sugar function supplementing JS's quirky typeof operator, plus some extra help to detect   * "special objects" expected by jstoxml.   * Example:   * getType(new Date());   * -> 'date'   */
  var getType = function getType(val) {    return Array.isArray(val) && ARRAY || _typeof(val) === OBJECT && val !== null && val._name && SPECIAL_OBJECT || val instanceof Date && DATE || val === null && NULL || _typeof(val);  };  /**   * Replaces matching values in a string with a new value.   * Example:   * filterStr('foo&bar', { '&': '&' });   * -> 'foo&bar'   */
  var filterStr = function filterStr() {    var inputStr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "";    var filter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    // Passthrough/no-op for nonstrings (e.g. number, boolean).
    if (typeof inputStr !== "string") {      return inputStr;    }
    var regexp = new RegExp("(".concat(Object.keys(filter).join("|"), ")(?!(\\w|#)*;)"), "g");    return String(inputStr).replace(regexp, function (str, entity) {      return filter[entity] || "";    });  };  /**   * Maps an object or array of arribute keyval pairs to a string.   * Examples:   * { foo: 'bar', baz: 'g' } -> 'foo="bar" baz="g"'   * [ { ⚡: true }, { foo: 'bar' } ] -> '⚡ foo="bar"'   */
  var getAttributeKeyVals = function getAttributeKeyVals() {    var attributes = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};    var filter = arguments.length > 1 ? arguments[1] : undefined;    var keyVals = [];
    if (Array.isArray(attributes)) {      // Array containing complex objects and potentially duplicate attributes.
      keyVals = attributes.map(function (attr) {        var key = Object.keys(attr)[0];        var val = attr[key];        var filteredVal = filter ? filterStr(val, filter) : val;        var valStr = filteredVal === true ? "" : "=\"".concat(filteredVal, "\"");        return "".concat(key).concat(valStr);      });    } else {      var keys = Object.keys(attributes);      keyVals = keys.map(function (key) {        // Simple object - keyval pairs.
        // For boolean true, simply output the key.
        var filteredVal = filter ? filterStr(attributes[key], filter) : attributes[key];        var valStr = attributes[key] === true ? "" : "=\"".concat(filteredVal, "\"");        return "".concat(key).concat(valStr);      });    }
    return keyVals;  };  /**   * Converts an attributes object/array to a string of keyval pairs.   * Example:   * formatAttributes({ a: 1, b: 2 })   * -> 'a="1" b="2"'   */
  var formatAttributes = function formatAttributes() {    var attributes = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};    var filter = arguments.length > 1 ? arguments[1] : undefined;    var keyVals = getAttributeKeyVals(attributes, filter);    if (keyVals.length === 0) return "";    var keysValsJoined = keyVals.join(" ");    return " ".concat(keysValsJoined);  };  /**   * Converts an object to a jstoxml array.   * Example:   * objToArray({ foo: 'bar', baz: 2 });   * ->   * [   *   {   *     _name: 'foo',   *     _content: 'bar'   *   },   *   {   *     _name: 'baz',   *     _content: 2   *   }   * ]   */
  var objToArray = function objToArray() {    var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};    return Object.keys(obj).map(function (key) {      return {        _name: key,        _content: obj[key]      };    });  };  /**   * Determines if a value is a primitive JavaScript value (not including Symbol).   * Example:   * isPrimitive(4);   * -> true   */
  var PRIMITIVE_TYPES = [STRING, NUMBER, BOOLEAN];
  var isPrimitive = function isPrimitive(val) {    return PRIMITIVE_TYPES.includes(getType(val));  };  /**   * Determines if a value is a simple primitive type that can fit onto one line.  Needed for   * determining any needed indenting and line breaks.   * Example:   * isSimpleType(new Date());   * -> true   */
  var SIMPLE_TYPES = [].concat(PRIMITIVE_TYPES, [DATE, SPECIAL_OBJECT]);
  var isSimpleType = function isSimpleType(val) {    return SIMPLE_TYPES.includes(getType(val));  };  /**   * Determines if an XML string is a simple primitive, or contains nested data.   * Example:   * isSimpleXML('<foo />');   * -> false   */
  var isSimpleXML = function isSimpleXML(xmlStr) {    return !xmlStr.match("<");  };  /**   * Assembles an XML header as defined by the config.   */
  var DEFAULT_XML_HEADER = '<?xml version="1.0" encoding="UTF-8"?>';
  var getHeaderString = function getHeaderString(_ref) {    var header = _ref.header,        indent = _ref.indent,        isOutputStart = _ref.isOutputStart;    var shouldOutputHeader = header && isOutputStart;    if (!shouldOutputHeader) return "";    var shouldUseDefaultHeader = _typeof(header) === BOOLEAN; // return `${shouldUseDefaultHeader ? DEFAULT_XML_HEADER : header}${indent ? "\n" : ""
    //   }`;
    return shouldUseDefaultHeader ? DEFAULT_XML_HEADER : header;  };  /**   * Recursively traverses an object tree and converts the output to an XML string.   * Example:   * toXML({ foo: 'bar' });   * -> <foo>bar</foo>   */
  var defaultEntityFilter = {    "<": "<",    ">": ">",    "&": "&"  };
  var toXML = function toXML() {    var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};    var config = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var _config$depth = config.depth,        depth = _config$depth === void 0 ? 0 : _config$depth,        indent = config.indent,        _isFirstItem = config._isFirstItem,        _config$_isOutputStar = config._isOutputStart,        _isOutputStart = _config$_isOutputStar === void 0 ? true : _config$_isOutputStar,        header = config.header,        _config$attributesFil = config.attributesFilter,        rawAttributesFilter = _config$attributesFil === void 0 ? {} : _config$attributesFil,        _config$filter = config.filter,        rawFilter = _config$filter === void 0 ? {} : _config$filter;
    var shouldTurnOffAttributesFilter = typeof rawAttributesFilter === 'boolean' && !rawAttributesFilter;    var attributesFilter = shouldTurnOffAttributesFilter ? {} : _objectSpread(_objectSpread(_objectSpread({}, defaultEntityFilter), {      '"': """    }), rawAttributesFilter);    var shouldTurnOffFilter = typeof rawFilter === 'boolean' && !rawFilter;    var filter = shouldTurnOffFilter ? {} : _objectSpread(_objectSpread({}, defaultEntityFilter), rawFilter); // Determine indent string based on depth.
    var indentStr = getIndentStr(indent, depth); // For branching based on value type.
    var valType = getType(obj);    var headerStr = getHeaderString({      header: header,      indent: indent,      depth: depth,      isOutputStart: _isOutputStart    });    var isOutputStart = _isOutputStart && !headerStr && _isFirstItem && depth === 0;    var outputStr = "";
    switch (valType) {      case "special-object":        {          // Processes a specially-formatted object used by jstoxml.
          var _name = obj._name,              _content = obj._content; // Output text content without a tag wrapper.
          if (_content === null) {            outputStr = _name;            break;          } // Handles arrays of primitive values. (#33)
          var isArrayOfPrimitives = Array.isArray(_content) && _content.every(isPrimitive);
          if (isArrayOfPrimitives) {            var primitives = _content.map(function (a) {              return toXML({                _name: _name,                _content: a              }, _objectSpread(_objectSpread({}, config), {}, {                depth: depth,                _isOutputStart: false              }));            });
            return primitives.join('');          } // Don't output private vars (such as _attrs).
          if (_name.match(PRIVATE_VARS_REGEXP)) break; // Process the nested new value and create new config.
          var newVal = toXML(_content, _objectSpread(_objectSpread({}, config), {}, {            depth: depth + 1,            _isOutputStart: isOutputStart          }));          var newValType = getType(newVal);          var isNewValSimple = isSimpleXML(newVal); // Pre-tag output (indent and line breaks).
          var preIndentStr = indent && !isOutputStart ? "\n" : "";          var preTag = "".concat(preIndentStr).concat(indentStr); // Special handling for comments, preserving preceding line breaks/indents.
          if (_name === '_comment') {            outputStr += "".concat(preTag, "<!-- ").concat(_content, " -->");            break;          } // Tag output.
          var valIsEmpty = newValType === "undefined" || newVal === "";          var shouldSelfClose = _typeof(obj._selfCloseTag) === BOOLEAN ? valIsEmpty && obj._selfCloseTag : valIsEmpty;          var selfCloseStr = shouldSelfClose ? "/" : "";          var attributesString = formatAttributes(obj._attrs, attributesFilter);          var tag = "<".concat(_name).concat(attributesString).concat(selfCloseStr, ">"); // Post-tag output (closing tag, indent, line breaks).
          var preTagCloseStr = indent && !isNewValSimple ? "\n".concat(indentStr) : "";          var postTag = !shouldSelfClose ? "".concat(newVal).concat(preTagCloseStr, "</").concat(_name, ">") : "";          outputStr += "".concat(preTag).concat(tag).concat(postTag);          break;        }
      case "object":        {          // Iterates over keyval pairs in an object, converting each item to a special-object.
          var keys = Object.keys(obj);          var outputArr = keys.map(function (key, index) {            var newConfig = _objectSpread(_objectSpread({}, config), {}, {              _isFirstItem: index === 0,              _isLastItem: index + 1 === keys.length,              _isOutputStart: isOutputStart            });
            var outputObj = {              _name: key            };
            if (getType(obj[key]) === "object") {              // Sub-object contains an object.
              // Move private vars up as needed.  Needed to support certain types of objects
              // E.g. { foo: { _attrs: { a: 1 } } } -> <foo a="1"/>
              PRIVATE_VARS.forEach(function (privateVar) {                var val = obj[key][privateVar];
                if (typeof val !== "undefined") {                  outputObj[privateVar] = val;                  delete obj[key][privateVar];                }              });              var hasContent = typeof obj[key]._content !== "undefined";
              if (hasContent) {                // _content has sibling keys, so pass as an array (edge case).
                // E.g. { foo: 'bar', _content: { baz: 2 } } -> <foo>bar</foo><baz>2</baz>
                if (Object.keys(obj[key]).length > 1) {                  var newContentObj = Object.assign({}, obj[key]);                  delete newContentObj._content;                  outputObj._content = [].concat(_toConsumableArray(objToArray(newContentObj)), [obj[key]._content]);                }              }            } // Fallthrough: just pass the key as the content for the new special-object.
            if (typeof outputObj._content === "undefined") outputObj._content = obj[key];            var xml = toXML(outputObj, newConfig, key);            return xml;          }, config);          outputStr = outputArr.join('');          break;        }
      case "function":        {          // Executes a user-defined function and returns output.
          var fnResult = obj(config);          outputStr = toXML(fnResult, config);          break;        }
      case "array":        {          // Iterates and converts each value in an array.
          var _outputArr = obj.map(function (singleVal, index) {            var newConfig = _objectSpread(_objectSpread({}, config), {}, {              _isFirstItem: index === 0,              _isLastItem: index + 1 === obj.length,              _isOutputStart: isOutputStart            });
            return toXML(singleVal, newConfig);          });
          outputStr = _outputArr.join('');          break;        }      // number, string, boolean, date, null, etc
      default:        {          outputStr = filterStr(obj, filter);          break;        }    }
    return "".concat(headerStr).concat(outputStr);  };
  _exports.toXML = toXML;  var _default = {    toXML: toXML  };  _exports.default = _default;});
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