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function _setPrototypeOf(o, p) {\n      o.__proto__ = p;\n      return o;\n    };\n\n    return _setPrototypeOf(o, p);\n  }\n\n  function _isNativeReflectConstruct() {\n    if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n    if (Reflect.construct.sham) return false;\n    if (typeof Proxy === \"function\") return true;\n\n    try {\n      Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  function _construct(Parent, args, Class) {\n    if (_isNativeReflectConstruct()) {\n      _construct = Reflect.construct;\n    } else {\n      _construct = function _construct(Parent, args, Class) {\n        var a = [null];\n        a.push.apply(a, args);\n        var Constructor = Function.bind.apply(Parent, a);\n        var instance = new Constructor();\n        if (Class) _setPrototypeOf(instance, Class.prototype);\n        return instance;\n      };\n    }\n\n    return _construct.apply(null, arguments);\n  }\n\n  function _toConsumableArray(arr) {\n    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();\n  }\n\n  function _arrayWithoutHoles(arr) {\n    if (Array.isArray(arr)) return _arrayLikeToArray(arr);\n  }\n\n  function _iterableToArray(iter) {\n    if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter);\n  }\n\n  function _unsupportedIterableToArray(o, minLen) {\n    if (!o) return;\n    if (typeof o === \"string\") return _arrayLikeToArray(o, minLen);\n    var n = Object.prototype.toString.call(o).slice(8, -1);\n    if (n === \"Object\" && o.constructor) n = o.constructor.name;\n    if (n === \"Map\" || n === \"Set\") return Array.from(o);\n    if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);\n  }\n\n  function _arrayLikeToArray(arr, len) {\n    if (len == null || len > arr.length) len = arr.length;\n\n    for (var i = 0, arr2 = new Array(len); i < len; i++) {\n      arr2[i] = arr[i];\n    }\n\n    return arr2;\n  }\n\n  function _nonIterableSpread() {\n    throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n  }\n\n  var hasOwnProperty = Object.hasOwnProperty,\n      setPrototypeOf = Object.setPrototypeOf,\n      isFrozen = Object.isFrozen,\n      getPrototypeOf = Object.getPrototypeOf,\n      getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n  var freeze = Object.freeze,\n      seal = Object.seal,\n      create = Object.create; // eslint-disable-line import/no-mutable-exports\n\n  var _ref = typeof Reflect !== 'undefined' && Reflect,\n      apply = _ref.apply,\n      construct = _ref.construct;\n\n  if (!apply) {\n    apply = function apply(fun, thisValue, args) {\n      return fun.apply(thisValue, args);\n    };\n  }\n\n  if (!freeze) {\n    freeze = function freeze(x) {\n      return x;\n    };\n  }\n\n  if (!seal) {\n    seal = function seal(x) {\n      return x;\n    };\n  }\n\n  if (!construct) {\n    construct = function construct(Func, args) {\n      return _construct(Func, _toConsumableArray(args));\n    };\n  }\n\n  var arrayForEach = unapply(Array.prototype.forEach);\n  var arrayPop = unapply(Array.prototype.pop);\n  var arrayPush = unapply(Array.prototype.push);\n  var stringToLowerCase = unapply(String.prototype.toLowerCase);\n  var stringMatch = unapply(String.prototype.match);\n  var stringReplace = unapply(String.prototype.replace);\n  var stringIndexOf = unapply(String.prototype.indexOf);\n  var stringTrim = unapply(String.prototype.trim);\n  var regExpTest = unapply(RegExp.prototype.test);\n  var typeErrorCreate = unconstruct(TypeError);\n\n  function unapply(func) {\n    return function (thisArg) {\n      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n        args[_key - 1] = arguments[_key];\n      }\n\n      return apply(func, thisArg, args);\n    };\n  }\n\n  function unconstruct(func) {\n    return function () {\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      return construct(func, args);\n    };\n  }\n  /* Add properties to a lookup table */\n\n\n  function addToSet(set, array, transformCaseFunc) {\n    transformCaseFunc = transformCaseFunc ? transformCaseFunc : stringToLowerCase;\n\n    if (setPrototypeOf) {\n      // Make 'in' and truthy checks like Boolean(set.constructor)\n      // independent of any properties defined on Object.prototype.\n      // Prevent prototype setters from intercepting set as a this value.\n      setPrototypeOf(set, null);\n    }\n\n    var l = array.length;\n\n    while (l--) {\n      var element = array[l];\n\n      if (typeof element === 'string') {\n        var lcElement = transformCaseFunc(element);\n\n        if (lcElement !== element) {\n          // Config presets (e.g. tags.js, attrs.js) are immutable.\n          if (!isFrozen(array)) {\n            array[l] = lcElement;\n          }\n\n          element = lcElement;\n        }\n      }\n\n      set[element] = true;\n    }\n\n    return set;\n  }\n  /* Shallow clone an object */\n\n\n  function clone(object) {\n    var newObject = create(null);\n    var property;\n\n    for (property in object) {\n      if (apply(hasOwnProperty, object, [property])) {\n        newObject[property] = object[property];\n      }\n    }\n\n    return newObject;\n  }\n  /* IE10 doesn't support __lookupGetter__ so lets'\n   * simulate it. It also automatically checks\n   * if the prop is function or getter and behaves\n   * accordingly. */\n\n\n  function lookupGetter(object, prop) {\n    while (object !== null) {\n      var desc = getOwnPropertyDescriptor(object, prop);\n\n      if (desc) {\n        if (desc.get) {\n          return unapply(desc.get);\n        }\n\n        if (typeof desc.value === 'function') {\n          return unapply(desc.value);\n        }\n      }\n\n      object = getPrototypeOf(object);\n    }\n\n    function fallbackValue(element) {\n      console.warn('fallback value for', element);\n      return null;\n    }\n\n    return fallbackValue;\n  }\n\n  var html$1 = freeze(['a', 'abbr', 'acronym', 'address', 'area', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo', 'big', 'blink', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'content', 'data', 'datalist', 'dd', 'decorator', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'element', 'em', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html', 'i', 'img', 'input', 'ins', 'kbd', 'label', 'legend', 'li', 'main', 'map', 'mark', 'marquee', 'menu', 'menuitem', 'meter', 'nav', 'nobr', 'ol', 'optgroup', 'option', 'output', 'p', 'picture', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'section', 'select', 'shadow', 'small', 'source', 'spacer', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr']); // SVG\n\n  var svg$1 = freeze(['svg', 'a', 'altglyph', 'altglyphdef', 'altglyphitem', 'animatecolor', 'animatemotion', 'animatetransform', 'circle', 'clippath', 'defs', 'desc', 'ellipse', 'filter', 'font', 'g', 'glyph', 'glyphref', 'hkern', 'image', 'line', 'lineargradient', 'marker', 'mask', 'metadata', 'mpath', 'path', 'pattern', 'polygon', 'polyline', 'radialgradient', 'rect', 'stop', 'style', 'switch', 'symbol', 'text', 'textpath', 'title', 'tref', 'tspan', 'view', 'vkern']);\n  var svgFilters = freeze(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode', 'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile', 'feTurbulence']); // List of SVG elements that are disallowed by default.\n  // We still need to know them so that we can do namespace\n  // checks properly in case one wants to add them to\n  // allow-list.\n\n  var svgDisallowed = freeze(['animate', 'color-profile', 'cursor', 'discard', 'fedropshadow', 'font-face', 'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri', 'foreignobject', 'hatch', 'hatchpath', 'mesh', 'meshgradient', 'meshpatch', 'meshrow', 'missing-glyph', 'script', 'set', 'solidcolor', 'unknown', 'use']);\n  var mathMl$1 = freeze(['math', 'menclose', 'merror', 'mfenced', 'mfrac', 'mglyph', 'mi', 'mlabeledtr', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mroot', 'mrow', 'ms', 'mspace', 'msqrt', 'mstyle', 'msub', 'msup', 'msubsup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover']); // Similarly to SVG, we want to know all MathML elements,\n  // even those that we disallow by default.\n\n  var mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);\n  var text = freeze(['#text']);\n  var html = freeze(['accept', 'action', 'align', 'alt', 'autocapitalize', 'autocomplete', 'autopictureinpicture', 'autoplay', 'background', 'bgcolor', 'border', 'capture', 'cellpadding', 'cellspacing', 'checked', 'cite', 'class', 'clear', 'color', 'cols', 'colspan', 'controls', 'controlslist', 'coords', 'crossorigin', 'datetime', 'decoding', 'default', 'dir', 'disabled', 'disablepictureinpicture', 'disableremoteplayback', 'download', 'draggable', 'enctype', 'enterkeyhint', 'face', 'for', 'headers', 'height', 'hidden', 'high', 'href', 'hreflang', 'id', 'inputmode', 'integrity', 'ismap', 'kind', 'label', 'lang', 'list', 'loading', 'loop', 'low', 'max', 'maxlength', 'media', 'method', 'min', 'minlength', 'multiple', 'muted', 'name', 'nonce', 'noshade', 'novalidate', 'nowrap', 'open', 'optimum', 'pattern', 'placeholder', 'playsinline', 'poster', 'preload', 'pubdate', 'radiogroup', 'readonly', 'rel', 'required', 'rev', 'reversed', 'role', 'rows', 'rowspan', 'spellcheck', 'scope', 'selected', 'shape', 'size', 'sizes', 'span', 'srclang', 'start', 'src', 'srcset', 'step', 'style', 'summary', 'tabindex', 'title', 'translate', 'type', 'usemap', 'valign', 'value', 'width', 'xmlns', 'slot']);\n  var svg = freeze(['accent-height', 'accumulate', 'additive', 'alignment-baseline', 'ascent', 'attributename', 'attributetype', 'azimuth', 'basefrequency', 'baseline-shift', 'begin', 'bias', 'by', 'class', 'clip', 'clippathunits', 'clip-path', 'clip-rule', 'color', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'cx', 'cy', 'd', 'dx', 'dy', 'diffuseconstant', 'direction', 'display', 'divisor', 'dur', 'edgemode', 'elevation', 'end', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'filterunits', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'fx', 'fy', 'g1', 'g2', 'glyph-name', 'glyphref', 'gradientunits', 'gradienttransform', 'height', 'href', 'id', 'image-rendering', 'in', 'in2', 'k', 'k1', 'k2', 'k3', 'k4', 'kerning', 'keypoints', 'keysplines', 'keytimes', 'lang', 'lengthadjust', 'letter-spacing', 'kernelmatrix', 'kernelunitlength', 'lighting-color', 'local', 'marker-end', 'marker-mid', 'marker-start', 'markerheight', 'markerunits', 'markerwidth', 'maskcontentunits', 'maskunits', 'max', 'mask', 'media', 'method', 'mode', 'min', 'name', 'numoctaves', 'offset', 'operator', 'opacity', 'order', 'orient', 'orientation', 'origin', 'overflow', 'paint-order', 'path', 'pathlength', 'patterncontentunits', 'patterntransform', 'patternunits', 'points', 'preservealpha', 'preserveaspectratio', 'primitiveunits', 'r', 'rx', 'ry', 'radius', 'refx', 'refy', 'repeatcount', 'repeatdur', 'restart', 'result', 'rotate', 'scale', 'seed', 'shape-rendering', 'specularconstant', 'specularexponent', 'spreadmethod', 'startoffset', 'stddeviation', 'stitchtiles', 'stop-color', 'stop-opacity', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke', 'stroke-width', 'style', 'surfacescale', 'systemlanguage', 'tabindex', 'targetx', 'targety', 'transform', 'transform-origin', 'text-anchor', 'text-decoration', 'text-rendering', 'textlength', 'type', 'u1', 'u2', 'unicode', 'values', 'viewbox', 'visibility', 'version', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'width', 'word-spacing', 'wrap', 'writing-mode', 'xchannelselector', 'ychannelselector', 'x', 'x1', 'x2', 'xmlns', 'y', 'y1', 'y2', 'z', 'zoomandpan']);\n  var mathMl = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']);\n  var xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);\n  var MUSTACHE_EXPR = seal(/\\{\\{[\\w\\W]*|[\\w\\W]*\\}\\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode\n\n  var ERB_EXPR = seal(/<%[\\w\\W]*|[\\w\\W]*%>/gm);\n  var DATA_ATTR = seal(/^data-[\\-\\w.\\u00B7-\\uFFFF]/); // eslint-disable-line no-useless-escape\n\n  var ARIA_ATTR = seal(/^aria-[\\-\\w]+$/); // eslint-disable-line no-useless-escape\n\n  var IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|cid|xmpp):|[^a-z]|[a-z+.\\-]+(?:[^a-z+.\\-:]|$))/i // eslint-disable-line no-useless-escape\n  );\n  var IS_SCRIPT_OR_DATA = seal(/^(?:\\w+script|data):/i);\n  var ATTR_WHITESPACE = seal(/[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205F\\u3000]/g // eslint-disable-line no-control-regex\n  );\n  var DOCTYPE_NAME = seal(/^html$/i);\n\n  var getGlobal = function getGlobal() {\n    return typeof window === 'undefined' ? null : window;\n  };\n  /**\n   * Creates a no-op policy for internal use only.\n   * Don't export this function outside this module!\n   * @param {?TrustedTypePolicyFactory} trustedTypes The policy factory.\n   * @param {Document} document The document object (to determine policy name suffix)\n   * @return {?TrustedTypePolicy} The policy created (or null, if Trusted Types\n   * are not supported).\n   */\n\n\n  var _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, document) {\n    if (_typeof(trustedTypes) !== 'object' || typeof trustedTypes.createPolicy !== 'function') {\n      return null;\n    } // Allow the callers to control the unique policy name\n    // by adding a data-tt-policy-suffix to the script element with the DOMPurify.\n    // Policy creation with duplicate names throws in Trusted Types.\n\n\n    var suffix = null;\n    var ATTR_NAME = 'data-tt-policy-suffix';\n\n    if (document.currentScript && document.currentScript.hasAttribute(ATTR_NAME)) {\n      suffix = document.currentScript.getAttribute(ATTR_NAME);\n    }\n\n    var policyName = 'dompurify' + (suffix ? '#' + suffix : '');\n\n    try {\n      return trustedTypes.createPolicy(policyName, {\n        createHTML: function createHTML(html) {\n          return html;\n        },\n        createScriptURL: function createScriptURL(scriptUrl) {\n          return scriptUrl;\n        }\n      });\n    } catch (_) {\n      // Policy creation failed (most likely another DOMPurify script has\n      // already run). Skip creating the policy, as this will only cause errors\n      // if TT are enforced.\n      console.warn('TrustedTypes policy ' + policyName + ' could not be created.');\n      return null;\n    }\n  };\n\n  function createDOMPurify() {\n    var window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();\n\n    var DOMPurify = function DOMPurify(root) {\n      return createDOMPurify(root);\n    };\n    /**\n     * Version label, exposed for easier checks\n     * if DOMPurify is up to date or not\n     */\n\n\n    DOMPurify.version = '2.3.12';\n    /**\n     * Array of elements that DOMPurify removed during sanitation.\n     * Empty if nothing was removed.\n     */\n\n    DOMPurify.removed = [];\n\n    if (!window || !window.document || window.document.nodeType !== 9) {\n      // Not running in a browser, provide a factory function\n      // so that you can pass your own Window\n      DOMPurify.isSupported = false;\n      return DOMPurify;\n    }\n\n    var originalDocument = window.document;\n    var document = window.document;\n    var DocumentFragment = window.DocumentFragment,\n        HTMLTemplateElement = window.HTMLTemplateElement,\n        Node = window.Node,\n        Element = window.Element,\n        NodeFilter = window.NodeFilter,\n        _window$NamedNodeMap = window.NamedNodeMap,\n        NamedNodeMap = _window$NamedNodeMap === void 0 ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap,\n        HTMLFormElement = window.HTMLFormElement,\n        DOMParser = window.DOMParser,\n        trustedTypes = window.trustedTypes;\n    var ElementPrototype = Element.prototype;\n    var cloneNode = lookupGetter(ElementPrototype, 'cloneNode');\n    var getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');\n    var getChildNodes = lookupGetter(ElementPrototype, 'childNodes');\n    var getParentNode = lookupGetter(ElementPrototype, 'parentNode'); // As per issue #47, the web-components registry is inherited by a\n    // new document created via createHTMLDocument. As per the spec\n    // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)\n    // a new empty registry is used when creating a template contents owner\n    // document, so we use that as our parent document to ensure nothing\n    // is inherited.\n\n    if (typeof HTMLTemplateElement === 'function') {\n      var template = document.createElement('template');\n\n      if (template.content && template.content.ownerDocument) {\n        document = template.content.ownerDocument;\n      }\n    }\n\n    var trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, originalDocument);\n\n    var emptyHTML = trustedTypesPolicy ? trustedTypesPolicy.createHTML('') : '';\n    var _document = document,\n        implementation = _document.implementation,\n        createNodeIterator = _document.createNodeIterator,\n        createDocumentFragment = _document.createDocumentFragment,\n        getElementsByTagName = _document.getElementsByTagName;\n    var importNode = originalDocument.importNode;\n    var documentMode = {};\n\n    try {\n      documentMode = clone(document).documentMode ? document.documentMode : {};\n    } catch (_) {}\n\n    var hooks = {};\n    /**\n     * Expose whether this browser supports running the full DOMPurify.\n     */\n\n    DOMPurify.isSupported = typeof getParentNode === 'function' && implementation && typeof implementation.createHTMLDocument !== 'undefined' && documentMode !== 9;\n    var MUSTACHE_EXPR$1 = MUSTACHE_EXPR,\n        ERB_EXPR$1 = ERB_EXPR,\n        DATA_ATTR$1 = DATA_ATTR,\n        ARIA_ATTR$1 = ARIA_ATTR,\n        IS_SCRIPT_OR_DATA$1 = IS_SCRIPT_OR_DATA,\n        ATTR_WHITESPACE$1 = ATTR_WHITESPACE;\n    var IS_ALLOWED_URI$1 = IS_ALLOWED_URI;\n    /**\n     * We consider the elements and attributes below to be safe. Ideally\n     * don't add any new ones but feel free to remove unwanted ones.\n     */\n\n    /* allowed element names */\n\n    var ALLOWED_TAGS = null;\n    var DEFAULT_ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray(html$1), _toConsumableArray(svg$1), _toConsumableArray(svgFilters), _toConsumableArray(mathMl$1), _toConsumableArray(text)));\n    /* Allowed attribute names */\n\n    var ALLOWED_ATTR = null;\n    var DEFAULT_ALLOWED_ATTR = addToSet({}, [].concat(_toConsumableArray(html), _toConsumableArray(svg), _toConsumableArray(mathMl), _toConsumableArray(xml)));\n    /*\n     * Configure how DOMPUrify should handle custom elements and their attributes as well as customized built-in elements.\n     * @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements)\n     * @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list)\n     * @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`.\n     */\n\n    var CUSTOM_ELEMENT_HANDLING = Object.seal(Object.create(null, {\n      tagNameCheck: {\n        writable: true,\n        configurable: false,\n        enumerable: true,\n        value: null\n      },\n      attributeNameCheck: {\n        writable: true,\n        configurable: false,\n        enumerable: true,\n        value: null\n      },\n      allowCustomizedBuiltInElements: {\n        writable: true,\n        configurable: false,\n        enumerable: true,\n        value: false\n      }\n    }));\n    /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */\n\n    var FORBID_TAGS = null;\n    /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */\n\n    var FORBID_ATTR = null;\n    /* Decide if ARIA attributes are okay */\n\n    var ALLOW_ARIA_ATTR = true;\n    /* Decide if custom data attributes are okay */\n\n    var ALLOW_DATA_ATTR = true;\n    /* Decide if unknown protocols are okay */\n\n    var ALLOW_UNKNOWN_PROTOCOLS = false;\n    /* Output should be safe for common template engines.\n     * This means, DOMPurify removes data attributes, mustaches and ERB\n     */\n\n    var SAFE_FOR_TEMPLATES = false;\n    /* Decide if document with <html>... should be returned */\n\n    var WHOLE_DOCUMENT = false;\n    /* Track whether config is already set on this instance of DOMPurify. */\n\n    var SET_CONFIG = false;\n    /* Decide if all elements (e.g. style, script) must be children of\n     * document.body. By default, browsers might move them to document.head */\n\n    var FORCE_BODY = false;\n    /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html\n     * string (or a TrustedHTML object if Trusted Types are supported).\n     * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead\n     */\n\n    var RETURN_DOM = false;\n    /* Decide if a DOM `DocumentFragment` should be returned, instead of a html\n     * string  (or a TrustedHTML object if Trusted Types are supported) */\n\n    var RETURN_DOM_FRAGMENT = false;\n    /* Try to return a Trusted Type object instead of a string, return a string in\n     * case Trusted Types are not supported  */\n\n    var RETURN_TRUSTED_TYPE = false;\n    /* Output should be free from DOM clobbering attacks?\n     * This sanitizes markups named with colliding, clobberable built-in DOM APIs.\n     */\n\n    var SANITIZE_DOM = true;\n    /* Achieve full DOM Clobbering protection by isolating the namespace of named\n     * properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules.\n     *\n     * HTML/DOM spec rules that enable DOM Clobbering:\n     *   - Named Access on Window (§7.3.3)\n     *   - DOM Tree Accessors (§3.1.5)\n     *   - Form Element Parent-Child Relations (§4.10.3)\n     *   - Iframe srcdoc / Nested WindowProxies (§4.8.5)\n     *   - HTMLCollection (§4.2.10.2)\n     *\n     * Namespace isolation is implemented by prefixing `id` and `name` attributes\n     * with a constant string, i.e., `user-content-`\n     */\n\n    var SANITIZE_NAMED_PROPS = false;\n    var SANITIZE_NAMED_PROPS_PREFIX = 'user-content-';\n    /* Keep element content when removing element? */\n\n    var KEEP_CONTENT = true;\n    /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead\n     * of importing it into a new Document and returning a sanitized copy */\n\n    var IN_PLACE = false;\n    /* Allow usage of profiles like html, svg and mathMl */\n\n    var USE_PROFILES = {};\n    /* Tags to ignore content of when KEEP_CONTENT is true */\n\n    var FORBID_CONTENTS = null;\n    var DEFAULT_FORBID_CONTENTS = addToSet({}, ['annotation-xml', 'audio', 'colgroup', 'desc', 'foreignobject', 'head', 'iframe', 'math', 'mi', 'mn', 'mo', 'ms', 'mtext', 'noembed', 'noframes', 'noscript', 'plaintext', 'script', 'style', 'svg', 'template', 'thead', 'title', 'video', 'xmp']);\n    /* Tags that are safe for data: URIs */\n\n    var DATA_URI_TAGS = null;\n    var DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);\n    /* Attributes safe for values like \"javascript:\" */\n\n    var URI_SAFE_ATTRIBUTES = null;\n    var DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'role', 'summary', 'title', 'value', 'style', 'xmlns']);\n    var MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';\n    var SVG_NAMESPACE = 'http://www.w3.org/2000/svg';\n    var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';\n    /* Document namespace */\n\n    var NAMESPACE = HTML_NAMESPACE;\n    var IS_EMPTY_INPUT = false;\n    /* Parsing of strict XHTML documents */\n\n    var PARSER_MEDIA_TYPE;\n    var SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];\n    var DEFAULT_PARSER_MEDIA_TYPE = 'text/html';\n    var transformCaseFunc;\n    /* Keep a reference to config to pass to hooks */\n\n    var CONFIG = null;\n    /* Ideally, do not touch anything below this line */\n\n    /* ______________________________________________ */\n\n    var formElement = document.createElement('form');\n\n    var isRegexOrFunction = function isRegexOrFunction(testValue) {\n      return testValue instanceof RegExp || testValue instanceof Function;\n    };\n    /**\n     * _parseConfig\n     *\n     * @param  {Object} cfg optional config literal\n     */\n    // eslint-disable-next-line complexity\n\n\n    var _parseConfig = function _parseConfig(cfg) {\n      if (CONFIG && CONFIG === cfg) {\n        return;\n      }\n      /* Shield configuration object from tampering */\n\n\n      if (!cfg || _typeof(cfg) !== 'object') {\n        cfg = {};\n      }\n      /* Shield configuration object from prototype pollution */\n\n\n      cfg = clone(cfg);\n      PARSER_MEDIA_TYPE = // eslint-disable-next-line unicorn/prefer-includes\n      SUPPORTED_PARSER_MEDIA_TYPES.indexOf(cfg.PARSER_MEDIA_TYPE) === -1 ? PARSER_MEDIA_TYPE = DEFAULT_PARSER_MEDIA_TYPE : PARSER_MEDIA_TYPE = cfg.PARSER_MEDIA_TYPE; // HTML tags and attributes are not case-sensitive, converting to lowercase. Keeping XHTML as is.\n\n      transformCaseFunc = PARSER_MEDIA_TYPE === 'application/xhtml+xml' ? function (x) {\n        return x;\n      } : stringToLowerCase;\n      /* Set configuration parameters */\n\n      ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS, transformCaseFunc) : DEFAULT_ALLOWED_TAGS;\n      ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR, transformCaseFunc) : DEFAULT_ALLOWED_ATTR;\n      URI_SAFE_ATTRIBUTES = 'ADD_URI_SAFE_ATTR' in cfg ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), // eslint-disable-line indent\n      cfg.ADD_URI_SAFE_ATTR, // eslint-disable-line indent\n      transformCaseFunc // eslint-disable-line indent\n      ) // eslint-disable-line indent\n      : DEFAULT_URI_SAFE_ATTRIBUTES;\n      DATA_URI_TAGS = 'ADD_DATA_URI_TAGS' in cfg ? addToSet(clone(DEFAULT_DATA_URI_TAGS), // eslint-disable-line indent\n      cfg.ADD_DATA_URI_TAGS, // eslint-disable-line indent\n      transformCaseFunc // eslint-disable-line indent\n      ) // eslint-disable-line indent\n      : DEFAULT_DATA_URI_TAGS;\n      FORBID_CONTENTS = 'FORBID_CONTENTS' in cfg ? addToSet({}, cfg.FORBID_CONTENTS, transformCaseFunc) : DEFAULT_FORBID_CONTENTS;\n      FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS, transformCaseFunc) : {};\n      FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR, transformCaseFunc) : {};\n      USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false;\n      ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true\n\n      ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true\n\n      ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false\n\n      SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false\n\n      WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false\n\n      RETURN_DOM = cfg.RETURN_DOM || false; // Default false\n\n      RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false\n\n      RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false\n\n      FORCE_BODY = cfg.FORCE_BODY || false; // Default false\n\n      SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true\n\n      SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false\n\n      KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true\n\n      IN_PLACE = cfg.IN_PLACE || false; // Default false\n\n      IS_ALLOWED_URI$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI$1;\n      NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE;\n\n      if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck)) {\n        CUSTOM_ELEMENT_HANDLING.tagNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck;\n      }\n\n      if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck)) {\n        CUSTOM_ELEMENT_HANDLING.attributeNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck;\n      }\n\n      if (cfg.CUSTOM_ELEMENT_HANDLING && typeof cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements === 'boolean') {\n        CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements = cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements;\n      }\n\n      if (SAFE_FOR_TEMPLATES) {\n        ALLOW_DATA_ATTR = false;\n      }\n\n      if (RETURN_DOM_FRAGMENT) {\n        RETURN_DOM = true;\n      }\n      /* Parse profile info */\n\n\n      if (USE_PROFILES) {\n        ALLOWED_TAGS = addToSet({}, _toConsumableArray(text));\n        ALLOWED_ATTR = [];\n\n        if (USE_PROFILES.html === true) {\n          addToSet(ALLOWED_TAGS, html$1);\n          addToSet(ALLOWED_ATTR, html);\n        }\n\n        if (USE_PROFILES.svg === true) {\n          addToSet(ALLOWED_TAGS, svg$1);\n          addToSet(ALLOWED_ATTR, svg);\n          addToSet(ALLOWED_ATTR, xml);\n        }\n\n        if (USE_PROFILES.svgFilters === true) {\n          addToSet(ALLOWED_TAGS, svgFilters);\n          addToSet(ALLOWED_ATTR, svg);\n          addToSet(ALLOWED_ATTR, xml);\n        }\n\n        if (USE_PROFILES.mathMl === true) {\n          addToSet(ALLOWED_TAGS, mathMl$1);\n          addToSet(ALLOWED_ATTR, mathMl);\n          addToSet(ALLOWED_ATTR, xml);\n        }\n      }\n      /* Merge configuration parameters */\n\n\n      if (cfg.ADD_TAGS) {\n        if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {\n          ALLOWED_TAGS = clone(ALLOWED_TAGS);\n        }\n\n        addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc);\n      }\n\n      if (cfg.ADD_ATTR) {\n        if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {\n          ALLOWED_ATTR = clone(ALLOWED_ATTR);\n        }\n\n        addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc);\n      }\n\n      if (cfg.ADD_URI_SAFE_ATTR) {\n        addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc);\n      }\n\n      if (cfg.FORBID_CONTENTS) {\n        if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {\n          FORBID_CONTENTS = clone(FORBID_CONTENTS);\n        }\n\n        addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc);\n      }\n      /* Add #text in case KEEP_CONTENT is set to true */\n\n\n      if (KEEP_CONTENT) {\n        ALLOWED_TAGS['#text'] = true;\n      }\n      /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */\n\n\n      if (WHOLE_DOCUMENT) {\n        addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);\n      }\n      /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */\n\n\n      if (ALLOWED_TAGS.table) {\n        addToSet(ALLOWED_TAGS, ['tbody']);\n        delete FORBID_TAGS.tbody;\n      } // Prevent further manipulation of configuration.\n      // Not available in IE8, Safari 5, etc.\n\n\n      if (freeze) {\n        freeze(cfg);\n      }\n\n      CONFIG = cfg;\n    };\n\n    var MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, ['mi', 'mo', 'mn', 'ms', 'mtext']);\n    var HTML_INTEGRATION_POINTS = addToSet({}, ['foreignobject', 'desc', 'title', 'annotation-xml']); // Certain elements are allowed in both SVG and HTML\n    // namespace. We need to specify them explicitly\n    // so that they don't get erroneously deleted from\n    // HTML namespace.\n\n    var COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, ['title', 'style', 'font', 'a', 'script']);\n    /* Keep track of all possible SVG and MathML tags\n     * so that we can perform the namespace checks\n     * correctly. */\n\n    var ALL_SVG_TAGS = addToSet({}, svg$1);\n    addToSet(ALL_SVG_TAGS, svgFilters);\n    addToSet(ALL_SVG_TAGS, svgDisallowed);\n    var ALL_MATHML_TAGS = addToSet({}, mathMl$1);\n    addToSet(ALL_MATHML_TAGS, mathMlDisallowed);\n    /**\n     *\n     *\n     * @param  {Element} element a DOM element whose namespace is being checked\n     * @returns {boolean} Return false if the element has a\n     *  namespace that a spec-compliant parser would never\n     *  return. Return true otherwise.\n     */\n\n    var _checkValidNamespace = function _checkValidNamespace(element) {\n      var parent = getParentNode(element); // In JSDOM, if we're inside shadow DOM, then parentNode\n      // can be null. We just simulate parent in this case.\n\n      if (!parent || !parent.tagName) {\n        parent = {\n          namespaceURI: HTML_NAMESPACE,\n          tagName: 'template'\n        };\n      }\n\n      var tagName = stringToLowerCase(element.tagName);\n      var parentTagName = stringToLowerCase(parent.tagName);\n\n      if (element.namespaceURI === SVG_NAMESPACE) {\n        // The only way to switch from HTML namespace to SVG\n        // is via <svg>. If it happens via any other tag, then\n        // it should be killed.\n        if (parent.namespaceURI === HTML_NAMESPACE) {\n          return tagName === 'svg';\n        } // The only way to switch from MathML to SVG is via\n        // svg if parent is either <annotation-xml> or MathML\n        // text integration points.\n\n\n        if (parent.namespaceURI === MATHML_NAMESPACE) {\n          return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]);\n        } // We only allow elements that are defined in SVG\n        // spec. All others are disallowed in SVG namespace.\n\n\n        return Boolean(ALL_SVG_TAGS[tagName]);\n      }\n\n      if (element.namespaceURI === MATHML_NAMESPACE) {\n        // The only way to switch from HTML namespace to MathML\n        // is via <math>. If it happens via any other tag, then\n        // it should be killed.\n        if (parent.namespaceURI === HTML_NAMESPACE) {\n          return tagName === 'math';\n        } // The only way to switch from SVG to MathML is via\n        // <math> and HTML integration points\n\n\n        if (parent.namespaceURI === SVG_NAMESPACE) {\n          return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];\n        } // We only allow elements that are defined in MathML\n        // spec. All others are disallowed in MathML namespace.\n\n\n        return Boolean(ALL_MATHML_TAGS[tagName]);\n      }\n\n      if (element.namespaceURI === HTML_NAMESPACE) {\n        // The only way to switch from SVG to HTML is via\n        // HTML integration points, and from MathML to HTML\n        // is via MathML text integration points\n        if (parent.namespaceURI === SVG_NAMESPACE && !HTML_INTEGRATION_POINTS[parentTagName]) {\n          return false;\n        }\n\n        if (parent.namespaceURI === MATHML_NAMESPACE && !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]) {\n          return false;\n        } // We disallow tags that are specific for MathML\n        // or SVG and should never appear in HTML namespace\n\n\n        return !ALL_MATHML_TAGS[tagName] && (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName]);\n      } // The code should never reach this place (this means\n      // that the element somehow got namespace that is not\n      // HTML, SVG or MathML). Return false just in case.\n\n\n      return false;\n    };\n    /**\n     * _forceRemove\n     *\n     * @param  {Node} node a DOM node\n     */\n\n\n    var _forceRemove = function _forceRemove(node) {\n      arrayPush(DOMPurify.removed, {\n        element: node\n      });\n\n      try {\n        // eslint-disable-next-line unicorn/prefer-dom-node-remove\n        node.parentNode.removeChild(node);\n      } catch (_) {\n        try {\n          node.outerHTML = emptyHTML;\n        } catch (_) {\n          node.remove();\n        }\n      }\n    };\n    /**\n     * _removeAttribute\n     *\n     * @param  {String} name an Attribute name\n     * @param  {Node} node a DOM node\n     */\n\n\n    var _removeAttribute = function _removeAttribute(name, node) {\n      try {\n        arrayPush(DOMPurify.removed, {\n          attribute: node.getAttributeNode(name),\n          from: node\n        });\n      } catch (_) {\n        arrayPush(DOMPurify.removed, {\n          attribute: null,\n          from: node\n        });\n      }\n\n      node.removeAttribute(name); // We void attribute values for unremovable \"is\"\" attributes\n\n      if (name === 'is' && !ALLOWED_ATTR[name]) {\n        if (RETURN_DOM || RETURN_DOM_FRAGMENT) {\n          try {\n            _forceRemove(node);\n          } catch (_) {}\n        } else {\n          try {\n            node.setAttribute(name, '');\n          } catch (_) {}\n        }\n      }\n    };\n    /**\n     * _initDocument\n     *\n     * @param  {String} dirty a string of dirty markup\n     * @return {Document} a DOM, filled with the dirty markup\n     */\n\n\n    var _initDocument = function _initDocument(dirty) {\n      /* Create a HTML document */\n      var doc;\n      var leadingWhitespace;\n\n      if (FORCE_BODY) {\n        dirty = '<remove></remove>' + dirty;\n      } else {\n        /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */\n        var matches = stringMatch(dirty, /^[\\r\\n\\t ]+/);\n        leadingWhitespace = matches && matches[0];\n      }\n\n      if (PARSER_MEDIA_TYPE === 'application/xhtml+xml') {\n        // Root of XHTML doc must contain xmlns declaration (see https://www.w3.org/TR/xhtml1/normative.html#strict)\n        dirty = '<html xmlns=\"http://www.w3.org/1999/xhtml\"><head></head><body>' + dirty + '</body></html>';\n      }\n\n      var dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty;\n      /*\n       * Use the DOMParser API by default, fallback later if needs be\n       * DOMParser not work for svg when has multiple root element.\n       */\n\n      if (NAMESPACE === HTML_NAMESPACE) {\n        try {\n          doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE);\n        } catch (_) {}\n      }\n      /* Use createHTMLDocument in case DOMParser is not available */\n\n\n      if (!doc || !doc.documentElement) {\n        doc = implementation.createDocument(NAMESPACE, 'template', null);\n\n        try {\n          doc.documentElement.innerHTML = IS_EMPTY_INPUT ? '' : dirtyPayload;\n        } catch (_) {// Syntax error if dirtyPayload is invalid xml\n        }\n      }\n\n      var body = doc.body || doc.documentElement;\n\n      if (dirty && leadingWhitespace) {\n        body.insertBefore(document.createTextNode(leadingWhitespace), body.childNodes[0] || null);\n      }\n      /* Work on whole document or just its body */\n\n\n      if (NAMESPACE === HTML_NAMESPACE) {\n        return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];\n      }\n\n      return WHOLE_DOCUMENT ? doc.documentElement : body;\n    };\n    /**\n     * _createIterator\n     *\n     * @param  {Document} root document/fragment to create iterator for\n     * @return {Iterator} iterator instance\n     */\n\n\n    var _createIterator = function _createIterator(root) {\n      return createNodeIterator.call(root.ownerDocument || root, root, // eslint-disable-next-line no-bitwise\n      NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, null, false);\n    };\n    /**\n     * _isClobbered\n     *\n     * @param  {Node} elm element to check for clobbering attacks\n     * @return {Boolean} true if clobbered, false if safe\n     */\n\n\n    var _isClobbered = function _isClobbered(elm) {\n      return elm instanceof HTMLFormElement && (typeof elm.nodeName !== 'string' || typeof elm.textContent !== 'string' || typeof elm.removeChild !== 'function' || !(elm.attributes instanceof NamedNodeMap) || typeof elm.removeAttribute !== 'function' || typeof elm.setAttribute !== 'function' || typeof elm.namespaceURI !== 'string' || typeof elm.insertBefore !== 'function');\n    };\n    /**\n     * _isNode\n     *\n     * @param  {Node} obj object to check whether it's a DOM node\n     * @return {Boolean} true is object is a DOM node\n     */\n\n\n    var _isNode = function _isNode(object) {\n      return _typeof(Node) === 'object' ? object instanceof Node : object && _typeof(object) === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string';\n    };\n    /**\n     * _executeHook\n     * Execute user configurable hooks\n     *\n     * @param  {String} entryPoint  Name of the hook's entry point\n     * @param  {Node} currentNode node to work on with the hook\n     * @param  {Object} data additional hook parameters\n     */\n\n\n    var _executeHook = function _executeHook(entryPoint, currentNode, data) {\n      if (!hooks[entryPoint]) {\n        return;\n      }\n\n      arrayForEach(hooks[entryPoint], function (hook) {\n        hook.call(DOMPurify, currentNode, data, CONFIG);\n      });\n    };\n    /**\n     * _sanitizeElements\n     *\n     * @protect nodeName\n     * @protect textContent\n     * @protect removeChild\n     *\n     * @param   {Node} currentNode to check for permission to exist\n     * @return  {Boolean} true if node was killed, false if left alive\n     */\n\n\n    var _sanitizeElements = function _sanitizeElements(currentNode) {\n      var content;\n      /* Execute a hook if present */\n\n      _executeHook('beforeSanitizeElements', currentNode, null);\n      /* Check if element is clobbered or can clobber */\n\n\n      if (_isClobbered(currentNode)) {\n        _forceRemove(currentNode);\n\n        return true;\n      }\n      /* Check if tagname contains Unicode */\n\n\n      if (regExpTest(/[\\u0080-\\uFFFF]/, currentNode.nodeName)) {\n        _forceRemove(currentNode);\n\n        return true;\n      }\n      /* Now let's check the element's type and name */\n\n\n      var tagName = transformCaseFunc(currentNode.nodeName);\n      /* Execute a hook if present */\n\n      _executeHook('uponSanitizeElement', currentNode, {\n        tagName: tagName,\n        allowedTags: ALLOWED_TAGS\n      });\n      /* Detect mXSS attempts abusing namespace confusion */\n\n\n      if (currentNode.hasChildNodes() && !_isNode(currentNode.firstElementChild) && (!_isNode(currentNode.content) || !_isNode(currentNode.content.firstElementChild)) && regExpTest(/<[/\\w]/g, currentNode.innerHTML) && regExpTest(/<[/\\w]/g, currentNode.textContent)) {\n        _forceRemove(currentNode);\n\n        return true;\n      }\n      /* Mitigate a problem with templates inside select */\n\n\n      if (tagName === 'select' && regExpTest(/<template/i, currentNode.innerHTML)) {\n        _forceRemove(currentNode);\n\n        return true;\n      }\n      /* Remove element if anything forbids its presence */\n\n\n      if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n        /* Check if we have a custom element to handle */\n        if (!FORBID_TAGS[tagName] && _basicCustomElementTest(tagName)) {\n          if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, tagName)) return false;\n          if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(tagName)) return false;\n        }\n        /* Keep content except for bad-listed elements */\n\n\n        if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {\n          var parentNode = getParentNode(currentNode) || currentNode.parentNode;\n          var childNodes = getChildNodes(currentNode) || currentNode.childNodes;\n\n          if (childNodes && parentNode) {\n            var childCount = childNodes.length;\n\n            for (var i = childCount - 1; i >= 0; --i) {\n              parentNode.insertBefore(cloneNode(childNodes[i], true), getNextSibling(currentNode));\n            }\n          }\n        }\n\n        _forceRemove(currentNode);\n\n        return true;\n      }\n      /* Check whether element has a valid namespace */\n\n\n      if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {\n        _forceRemove(currentNode);\n\n        return true;\n      }\n\n      if ((tagName === 'noscript' || tagName === 'noembed') && regExpTest(/<\\/no(script|embed)/i, currentNode.innerHTML)) {\n        _forceRemove(currentNode);\n\n        return true;\n      }\n      /* Sanitize element content to be template-safe */\n\n\n      if (SAFE_FOR_TEMPLATES && currentNode.nodeType === 3) {\n        /* Get the element's text content */\n        content = currentNode.textContent;\n        content = stringReplace(content, MUSTACHE_EXPR$1, ' ');\n        content = stringReplace(content, ERB_EXPR$1, ' ');\n\n        if (currentNode.textContent !== content) {\n          arrayPush(DOMPurify.removed, {\n            element: currentNode.cloneNode()\n          });\n          currentNode.textContent = content;\n        }\n      }\n      /* Execute a hook if present */\n\n\n      _executeHook('afterSanitizeElements', currentNode, null);\n\n      return false;\n    };\n    /**\n     * _isValidAttribute\n     *\n     * @param  {string} lcTag Lowercase tag name of containing element.\n     * @param  {string} lcName Lowercase attribute name.\n     * @param  {string} value Attribute value.\n     * @return {Boolean} Returns true if `value` is valid, otherwise false.\n     */\n    // eslint-disable-next-line complexity\n\n\n    var _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {\n      /* Make sure attribute cannot clobber */\n      if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {\n        return false;\n      }\n      /* Allow valid data-* attributes: At least one character after \"-\"\n          (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)\n          XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)\n          We don't need to check the value; it's always URI safe. */\n\n\n      if (ALLOW_DATA_ATTR && !FORBID_ATTR[lcName] && regExpTest(DATA_ATTR$1, lcName)) ;else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR$1, lcName)) ;else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {\n        if ( // First condition does a very basic check if a) it's basically a valid custom element tagname AND\n        // b) if the tagName passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck\n        // and c) if the attribute name passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.attributeNameCheck\n        _basicCustomElementTest(lcTag) && (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, lcTag) || CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(lcTag)) && (CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.attributeNameCheck, lcName) || CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.attributeNameCheck(lcName)) || // Alternative, second condition checks if it's an `is`-attribute, AND\n        // the value passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck\n        lcName === 'is' && CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements && (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, value) || CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(value))) ;else {\n          return false;\n        }\n        /* Check value is safe. First, is attr inert? If so, is safe */\n      } else if (URI_SAFE_ATTRIBUTES[lcName]) ;else if (regExpTest(IS_ALLOWED_URI$1, stringReplace(value, ATTR_WHITESPACE$1, ''))) ;else if ((lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') && lcTag !== 'script' && stringIndexOf(value, 'data:') === 0 && DATA_URI_TAGS[lcTag]) ;else if (ALLOW_UNKNOWN_PROTOCOLS && !regExpTest(IS_SCRIPT_OR_DATA$1, stringReplace(value, ATTR_WHITESPACE$1, ''))) ;else if (!value) ;else {\n        return false;\n      }\n      return true;\n    };\n    /**\n     * _basicCustomElementCheck\n     * checks if at least one dash is included in tagName, and it's not the first char\n     * for more sophisticated checking see https://github.com/sindresorhus/validate-element-name\n     * @param {string} tagName name of the tag of the node to sanitize\n     */\n\n\n    var _basicCustomElementTest = function _basicCustomElementTest(tagName) {\n      return tagName.indexOf('-') > 0;\n    };\n    /**\n     * _sanitizeAttributes\n     *\n     * @protect attributes\n     * @protect nodeName\n     * @protect removeAttribute\n     * @protect setAttribute\n     *\n     * @param  {Node} currentNode to sanitize\n     */\n\n\n    var _sanitizeAttributes = function _sanitizeAttributes(currentNode) {\n      var attr;\n      var value;\n      var lcName;\n      var l;\n      /* Execute a hook if present */\n\n      _executeHook('beforeSanitizeAttributes', currentNode, null);\n\n      var attributes = currentNode.attributes;\n      /* Check if we have attributes; if not we might have a text node */\n\n      if (!attributes) {\n        return;\n      }\n\n      var hookEvent = {\n        attrName: '',\n        attrValue: '',\n        keepAttr: true,\n        allowedAttributes: ALLOWED_ATTR\n      };\n      l = attributes.length;\n      /* Go backwards over all attributes; safely remove bad ones */\n\n      while (l--) {\n        attr = attributes[l];\n        var _attr = attr,\n            name = _attr.name,\n            namespaceURI = _attr.namespaceURI;\n        value = name === 'value' ? attr.value : stringTrim(attr.value);\n        lcName = transformCaseFunc(name);\n        /* Execute a hook if present */\n\n        hookEvent.attrName = lcName;\n        hookEvent.attrValue = value;\n        hookEvent.keepAttr = true;\n        hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set\n\n        _executeHook('uponSanitizeAttribute', currentNode, hookEvent);\n\n        value = hookEvent.attrValue;\n        /* Did the hooks approve of the attribute? */\n\n        if (hookEvent.forceKeepAttr) {\n          continue;\n        }\n        /* Remove attribute */\n\n\n        _removeAttribute(name, currentNode);\n        /* Did the hooks approve of the attribute? */\n\n\n        if (!hookEvent.keepAttr) {\n          continue;\n        }\n        /* Work around a security issue in jQuery 3.0 */\n\n\n        if (regExpTest(/\\/>/i, value)) {\n          _removeAttribute(name, currentNode);\n\n          continue;\n        }\n        /* Sanitize attribute content to be template-safe */\n\n\n        if (SAFE_FOR_TEMPLATES) {\n          value = stringReplace(value, MUSTACHE_EXPR$1, ' ');\n          value = stringReplace(value, ERB_EXPR$1, ' ');\n        }\n        /* Is `value` valid for this attribute? */\n\n\n        var lcTag = transformCaseFunc(currentNode.nodeName);\n\n        if (!_isValidAttribute(lcTag, lcName, value)) {\n          continue;\n        }\n        /* Full DOM Clobbering protection via namespace isolation,\n         * Prefix id and name attributes with `user-content-`\n         */\n\n\n        if (SANITIZE_NAMED_PROPS && (lcName === 'id' || lcName === 'name')) {\n          // Remove the attribute with this value\n          _removeAttribute(name, currentNode); // Prefix the value and later re-create the attribute with the sanitized value\n\n\n          value = SANITIZE_NAMED_PROPS_PREFIX + value;\n        }\n        /* Handle attributes that require Trusted Types */\n\n\n        if (trustedTypesPolicy && _typeof(trustedTypes) === 'object' && typeof trustedTypes.getAttributeType === 'function') {\n          if (namespaceURI) ;else {\n            switch (trustedTypes.getAttributeType(lcTag, lcName)) {\n              case 'TrustedHTML':\n                value = trustedTypesPolicy.createHTML(value);\n                break;\n\n              case 'TrustedScriptURL':\n                value = trustedTypesPolicy.createScriptURL(value);\n                break;\n            }\n          }\n        }\n        /* Handle invalid data-* attribute set by try-catching it */\n\n\n        try {\n          if (namespaceURI) {\n            currentNode.setAttributeNS(namespaceURI, name, value);\n          } else {\n            /* Fallback to setAttribute() for browser-unrecognized namespaces e.g. \"x-schema\". */\n            currentNode.setAttribute(name, value);\n          }\n\n          arrayPop(DOMPurify.removed);\n        } catch (_) {}\n      }\n      /* Execute a hook if present */\n\n\n      _executeHook('afterSanitizeAttributes', currentNode, null);\n    };\n    /**\n     * _sanitizeShadowDOM\n     *\n     * @param  {DocumentFragment} fragment to iterate over recursively\n     */\n\n\n    var _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {\n      var shadowNode;\n\n      var shadowIterator = _createIterator(fragment);\n      /* Execute a hook if present */\n\n\n      _executeHook('beforeSanitizeShadowDOM', fragment, null);\n\n      while (shadowNode = shadowIterator.nextNode()) {\n        /* Execute a hook if present */\n        _executeHook('uponSanitizeShadowNode', shadowNode, null);\n        /* Sanitize tags and elements */\n\n\n        if (_sanitizeElements(shadowNode)) {\n          continue;\n        }\n        /* Deep shadow DOM detected */\n\n\n        if (shadowNode.content instanceof DocumentFragment) {\n          _sanitizeShadowDOM(shadowNode.content);\n        }\n        /* Check attributes, sanitize if necessary */\n\n\n        _sanitizeAttributes(shadowNode);\n      }\n      /* Execute a hook if present */\n\n\n      _executeHook('afterSanitizeShadowDOM', fragment, null);\n    };\n    /**\n     * Sanitize\n     * Public method providing core sanitation functionality\n     *\n     * @param {String|Node} dirty string or DOM node\n     * @param {Object} configuration object\n     */\n    // eslint-disable-next-line complexity\n\n\n    DOMPurify.sanitize = function (dirty) {\n      var cfg = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      var body;\n      var importedNode;\n      var currentNode;\n      var oldNode;\n      var returnNode;\n      /* Make sure we have a string to sanitize.\n        DO NOT return early, as this will return the wrong type if\n        the user has requested a DOM object rather than a string */\n\n      IS_EMPTY_INPUT = !dirty;\n\n      if (IS_EMPTY_INPUT) {\n        dirty = '<!-->';\n      }\n      /* Stringify, in case dirty is an object */\n\n\n      if (typeof dirty !== 'string' && !_isNode(dirty)) {\n        // eslint-disable-next-line no-negated-condition\n        if (typeof dirty.toString !== 'function') {\n          throw typeErrorCreate('toString is not a function');\n        } else {\n          dirty = dirty.toString();\n\n          if (typeof dirty !== 'string') {\n            throw typeErrorCreate('dirty is not a string, aborting');\n          }\n        }\n      }\n      /* Check we can run. Otherwise fall back or ignore */\n\n\n      if (!DOMPurify.isSupported) {\n        if (_typeof(window.toStaticHTML) === 'object' || typeof window.toStaticHTML === 'function') {\n          if (typeof dirty === 'string') {\n            return window.toStaticHTML(dirty);\n          }\n\n          if (_isNode(dirty)) {\n            return window.toStaticHTML(dirty.outerHTML);\n          }\n        }\n\n        return dirty;\n      }\n      /* Assign config vars */\n\n\n      if (!SET_CONFIG) {\n        _parseConfig(cfg);\n      }\n      /* Clean up removed elements */\n\n\n      DOMPurify.removed = [];\n      /* Check if dirty is correctly typed for IN_PLACE */\n\n      if (typeof dirty === 'string') {\n        IN_PLACE = false;\n      }\n\n      if (IN_PLACE) {\n        /* Do some early pre-sanitization to avoid unsafe root nodes */\n        if (dirty.nodeName) {\n          var tagName = transformCaseFunc(dirty.nodeName);\n\n          if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n            throw typeErrorCreate('root node is forbidden and cannot be sanitized in-place');\n          }\n        }\n      } else if (dirty instanceof Node) {\n        /* If dirty is a DOM element, append to an empty document to avoid\n           elements being stripped by the parser */\n        body = _initDocument('<!---->');\n        importedNode = body.ownerDocument.importNode(dirty, true);\n\n        if (importedNode.nodeType === 1 && importedNode.nodeName === 'BODY') {\n          /* Node is already a body, use as is */\n          body = importedNode;\n        } else if (importedNode.nodeName === 'HTML') {\n          body = importedNode;\n        } else {\n          // eslint-disable-next-line unicorn/prefer-dom-node-append\n          body.appendChild(importedNode);\n        }\n      } else {\n        /* Exit directly if we have nothing to do */\n        if (!RETURN_DOM && !SAFE_FOR_TEMPLATES && !WHOLE_DOCUMENT && // eslint-disable-next-line unicorn/prefer-includes\n        dirty.indexOf('<') === -1) {\n          return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty;\n        }\n        /* Initialize the document to work on */\n\n\n        body = _initDocument(dirty);\n        /* Check we have a DOM node from the data */\n\n        if (!body) {\n          return RETURN_DOM ? null : RETURN_TRUSTED_TYPE ? emptyHTML : '';\n        }\n      }\n      /* Remove first element node (ours) if FORCE_BODY is set */\n\n\n      if (body && FORCE_BODY) {\n        _forceRemove(body.firstChild);\n      }\n      /* Get node iterator */\n\n\n      var nodeIterator = _createIterator(IN_PLACE ? dirty : body);\n      /* Now start iterating over the created document */\n\n\n      while (currentNode = nodeIterator.nextNode()) {\n        /* Fix IE's strange behavior with manipulated textNodes #89 */\n        if (currentNode.nodeType === 3 && currentNode === oldNode) {\n          continue;\n        }\n        /* Sanitize tags and elements */\n\n\n        if (_sanitizeElements(currentNode)) {\n          continue;\n        }\n        /* Shadow DOM detected, sanitize it */\n\n\n        if (currentNode.content instanceof DocumentFragment) {\n          _sanitizeShadowDOM(currentNode.content);\n        }\n        /* Check attributes, sanitize if necessary */\n\n\n        _sanitizeAttributes(currentNode);\n\n        oldNode = currentNode;\n      }\n\n      oldNode = null;\n      /* If we sanitized `dirty` in-place, return it. */\n\n      if (IN_PLACE) {\n        return dirty;\n      }\n      /* Return sanitized string or DOM */\n\n\n      if (RETURN_DOM) {\n        if (RETURN_DOM_FRAGMENT) {\n          returnNode = createDocumentFragment.call(body.ownerDocument);\n\n          while (body.firstChild) {\n            // eslint-disable-next-line unicorn/prefer-dom-node-append\n            returnNode.appendChild(body.firstChild);\n          }\n        } else {\n          returnNode = body;\n        }\n\n        if (ALLOWED_ATTR.shadowroot) {\n          /*\n            AdoptNode() is not used because internal state is not reset\n            (e.g. the past names map of a HTMLFormElement), this is safe\n            in theory but we would rather not risk another attack vector.\n            The state that is cloned by importNode() is explicitly defined\n            by the specs.\n          */\n          returnNode = importNode.call(originalDocument, returnNode, true);\n        }\n\n        return returnNode;\n      }\n\n      var serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;\n      /* Serialize doctype if allowed */\n\n      if (WHOLE_DOCUMENT && ALLOWED_TAGS['!doctype'] && body.ownerDocument && body.ownerDocument.doctype && body.ownerDocument.doctype.name && regExpTest(DOCTYPE_NAME, body.ownerDocument.doctype.name)) {\n        serializedHTML = '<!DOCTYPE ' + body.ownerDocument.doctype.name + '>\\n' + serializedHTML;\n      }\n      /* Sanitize final string template-safe */\n\n\n      if (SAFE_FOR_TEMPLATES) {\n        serializedHTML = stringReplace(serializedHTML, MUSTACHE_EXPR$1, ' ');\n        serializedHTML = stringReplace(serializedHTML, ERB_EXPR$1, ' ');\n      }\n\n      return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML;\n    };\n    /**\n     * Public method to set the configuration once\n     * setConfig\n     *\n     * @param {Object} cfg configuration object\n     */\n\n\n    DOMPurify.setConfig = function (cfg) {\n      _parseConfig(cfg);\n\n      SET_CONFIG = true;\n    };\n    /**\n     * Public method to remove the configuration\n     * clearConfig\n     *\n     */\n\n\n    DOMPurify.clearConfig = function () {\n      CONFIG = null;\n      SET_CONFIG = false;\n    };\n    /**\n     * Public method to check if an attribute value is valid.\n     * Uses last set config, if any. Otherwise, uses config defaults.\n     * isValidAttribute\n     *\n     * @param  {string} tag Tag name of containing element.\n     * @param  {string} attr Attribute name.\n     * @param  {string} value Attribute value.\n     * @return {Boolean} Returns true if `value` is valid. Otherwise, returns false.\n     */\n\n\n    DOMPurify.isValidAttribute = function (tag, attr, value) {\n      /* Initialize shared config vars if necessary. */\n      if (!CONFIG) {\n        _parseConfig({});\n      }\n\n      var lcTag = transformCaseFunc(tag);\n      var lcName = transformCaseFunc(attr);\n      return _isValidAttribute(lcTag, lcName, value);\n    };\n    /**\n     * AddHook\n     * Public method to add DOMPurify hooks\n     *\n     * @param {String} entryPoint entry point for the hook to add\n     * @param {Function} hookFunction function to execute\n     */\n\n\n    DOMPurify.addHook = function (entryPoint, hookFunction) {\n      if (typeof hookFunction !== 'function') {\n        return;\n      }\n\n      hooks[entryPoint] = hooks[entryPoint] || [];\n      arrayPush(hooks[entryPoint], hookFunction);\n    };\n    /**\n     * RemoveHook\n     * Public method to remove a DOMPurify hook at a given entryPoint\n     * (pops it from the stack of hooks if more are present)\n     *\n     * @param {String} entryPoint entry point for the hook to remove\n     * @return {Function} removed(popped) hook\n     */\n\n\n    DOMPurify.removeHook = function (entryPoint) {\n      if (hooks[entryPoint]) {\n        return arrayPop(hooks[entryPoint]);\n      }\n    };\n    /**\n     * RemoveHooks\n     * Public method to remove all DOMPurify hooks at a given entryPoint\n     *\n     * @param  {String} entryPoint entry point for the hooks to remove\n     */\n\n\n    DOMPurify.removeHooks = function (entryPoint) {\n      if (hooks[entryPoint]) {\n        hooks[entryPoint] = [];\n      }\n    };\n    /**\n     * RemoveAllHooks\n     * Public method to remove all DOMPurify hooks\n     *\n     */\n\n\n    DOMPurify.removeAllHooks = function () {\n      hooks = {};\n    };\n\n    return DOMPurify;\n  }\n\n  var purify = createDOMPurify();\n  return purify;\n});"],"sourceRoot":""}