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@license DOMPurify | (c) Cure53 and other contributors | Released under the Apache license 2.0 and Mozilla Public License 2.0 | github.com/cure53/DOMPurify/blob/2.2.2/LICENSE */\n\n(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (global = global || self, global.DOMPurify = factory());\n}(this, function () { 'use strict';\n\n function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }\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 new (Function.prototype.bind.apply(Func, [null].concat(_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\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\n var regExpTest = unapply(RegExp.prototype.test);\n\n var typeErrorCreate = unconstruct(TypeError);\n\n function unapply(func) {\n return function (thisArg) {\n for (var _len = arguments.length, args = 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 = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n return construct(func, args);\n };\n }\n\n /* Add properties to a lookup table */\n function addToSet(set, array) {\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 while (l--) {\n var element = array[l];\n if (typeof element === 'string') {\n var lcElement = stringToLowerCase(element);\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\n /* Shallow clone an object */\n function clone(object) {\n var newObject = create(null);\n\n var property = void 0;\n for (property in object) {\n if (apply(hasOwnProperty, object, [property])) {\n newObject[property] = object[property];\n }\n }\n\n return newObject;\n }\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 function lookupGetter(object, prop) {\n while (object !== null) {\n var desc = getOwnPropertyDescriptor(object, prop);\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 = 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', 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'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']);\n\n // Similarly to SVG, we want to know all MathML elements,\n // even those that we disallow by default.\n var mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);\n\n var text = freeze(['#text']);\n\n var html$1 = 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', '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\n var svg$1 = 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', '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\n var mathMl$1 = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']);\n\n var xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);\n\n // eslint-disable-next-line unicorn/better-regex\n var MUSTACHE_EXPR = seal(/\\{\\{[\\s\\S]*|[\\s\\S]*\\}\\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode\n var ERB_EXPR = seal(/<%[\\s\\S]*|[\\s\\S]*%>/gm);\n var DATA_ATTR = seal(/^data-[\\-\\w.\\u00B7-\\uFFFF]/); // eslint-disable-line no-useless-escape\n var ARIA_ATTR = seal(/^aria-[\\-\\w]+$/); // eslint-disable-line no-useless-escape\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\n var _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\n function _toConsumableArray$1(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }\n\n var getGlobal = function getGlobal() {\n return typeof window === 'undefined' ? null : window;\n };\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 var _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, document) {\n if ((typeof trustedTypes === 'undefined' ? 'undefined' : _typeof(trustedTypes)) !== 'object' || typeof trustedTypes.createPolicy !== 'function') {\n return null;\n }\n\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 var suffix = null;\n var ATTR_NAME = 'data-tt-policy-suffix';\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$$1) {\n return html$$1;\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 /**\n * Version label, exposed for easier checks\n * if DOMPurify is up to date or not\n */\n DOMPurify.version = '2.2.8';\n\n /**\n * Array of elements that DOMPurify removed during sanitation.\n * Empty if nothing was removed.\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\n return DOMPurify;\n }\n\n var originalDocument = window.document;\n\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 === undefined ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap,\n Text = window.Text,\n Comment = window.Comment,\n DOMParser = window.DOMParser,\n trustedTypes = window.trustedTypes;\n\n\n var ElementPrototype = Element.prototype;\n\n var cloneNode = lookupGetter(ElementPrototype, 'cloneNode');\n var getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');\n var getChildNodes = lookupGetter(ElementPrototype, 'childNodes');\n var getParentNode = lookupGetter(ElementPrototype, 'parentNode');\n\n // 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 if (typeof HTMLTemplateElement === 'function') {\n var template = document.createElement('template');\n if (template.content && template.content.ownerDocument) {\n document = template.content.ownerDocument;\n }\n }\n\n var trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, originalDocument);\n var emptyHTML = trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML('') : '';\n\n var _document = document,\n implementation = _document.implementation,\n createNodeIterator = _document.createNodeIterator,\n createDocumentFragment = _document.createDocumentFragment;\n var importNode = originalDocument.importNode;\n\n\n var documentMode = {};\n try {\n documentMode = clone(document).documentMode ? document.documentMode : {};\n } catch (_) {}\n\n var hooks = {};\n\n /**\n * Expose whether this browser supports running the full DOMPurify.\n */\n DOMPurify.isSupported = typeof getParentNode === 'function' && implementation && typeof implementation.createHTMLDocument !== 'undefined' && documentMode !== 9;\n\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 /**\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$1(html), _toConsumableArray$1(svg), _toConsumableArray$1(svgFilters), _toConsumableArray$1(mathMl), _toConsumableArray$1(text)));\n\n /* Allowed attribute names */\n var ALLOWED_ATTR = null;\n var DEFAULT_ALLOWED_ATTR = addToSet({}, [].concat(_toConsumableArray$1(html$1), _toConsumableArray$1(svg$1), _toConsumableArray$1(mathMl$1), _toConsumableArray$1(xml)));\n\n /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */\n var FORBID_TAGS = null;\n\n /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */\n var FORBID_ATTR = null;\n\n /* Decide if ARIA attributes are okay */\n var ALLOW_ARIA_ATTR = true;\n\n /* Decide if custom data attributes are okay */\n var ALLOW_DATA_ATTR = true;\n\n /* Decide if unknown protocols are okay */\n var ALLOW_UNKNOWN_PROTOCOLS = false;\n\n /* Output should be safe for common template engines.\n * This means, DOMPurify removes data attributes, mustaches and ERB\n */\n var SAFE_FOR_TEMPLATES = false;\n\n /* Decide if document with <html>... should be returned */\n var WHOLE_DOCUMENT = false;\n\n /* Track whether config is already set on this instance of DOMPurify. */\n var SET_CONFIG = false;\n\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 var FORCE_BODY = false;\n\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 var RETURN_DOM = false;\n\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 var RETURN_DOM_FRAGMENT = false;\n\n /* If `RETURN_DOM` or `RETURN_DOM_FRAGMENT` is enabled, decide if the returned DOM\n * `Node` is imported into the current `Document`. If this flag is not enabled the\n * `Node` will belong (its ownerDocument) to a fresh `HTMLDocument`, created by\n * DOMPurify.\n *\n * This defaults to `true` starting DOMPurify 2.2.0. Note that setting it to `false`\n * might cause XSS from attacks hidden in closed shadowroots in case the browser\n * supports Declarative Shadow: DOM https://web.dev/declarative-shadow-dom/\n */\n var RETURN_DOM_IMPORT = true;\n\n /* Try to return a Trusted Type object instead of a string, return a string in\n * case Trusted Types are not supported */\n var RETURN_TRUSTED_TYPE = false;\n\n /* Output should be free from DOM clobbering attacks? */\n var SANITIZE_DOM = true;\n\n /* Keep element content when removing element? */\n var KEEP_CONTENT = true;\n\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 var IN_PLACE = false;\n\n /* Allow usage of profiles like html, svg and mathMl */\n var USE_PROFILES = {};\n\n /* Tags to ignore content of when KEEP_CONTENT is true */\n var 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\n /* Tags that are safe for data: URIs */\n var DATA_URI_TAGS = null;\n var DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);\n\n /* Attributes safe for values like \"javascript:\" */\n var URI_SAFE_ATTRIBUTES = null;\n var DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'summary', 'title', 'value', 'style', 'xmlns']);\n\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 var NAMESPACE = HTML_NAMESPACE;\n\n /* Keep a reference to config to pass to hooks */\n var CONFIG = null;\n\n /* Ideally, do not touch anything below this line */\n /* ______________________________________________ */\n\n var formElement = document.createElement('form');\n\n /**\n * _parseConfig\n *\n * @param {Object} cfg optional config literal\n */\n // eslint-disable-next-line complexity\n var _parseConfig = function _parseConfig(cfg) {\n if (CONFIG && CONFIG === cfg) {\n return;\n }\n\n /* Shield configuration object from tampering */\n if (!cfg || (typeof cfg === 'undefined' ? 'undefined' : _typeof(cfg)) !== 'object') {\n cfg = {};\n }\n\n /* Shield configuration object from prototype pollution */\n cfg = clone(cfg);\n\n /* Set configuration parameters */\n ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS) : DEFAULT_ALLOWED_TAGS;\n ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR) : DEFAULT_ALLOWED_ATTR;\n URI_SAFE_ATTRIBUTES = 'ADD_URI_SAFE_ATTR' in cfg ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), cfg.ADD_URI_SAFE_ATTR) : DEFAULT_URI_SAFE_ATTRIBUTES;\n DATA_URI_TAGS = 'ADD_DATA_URI_TAGS' in cfg ? addToSet(clone(DEFAULT_DATA_URI_TAGS), cfg.ADD_DATA_URI_TAGS) : DEFAULT_DATA_URI_TAGS;\n FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS) : {};\n FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR) : {};\n USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false;\n ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true\n ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true\n ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false\n SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false\n WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false\n RETURN_DOM = cfg.RETURN_DOM || false; // Default false\n RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false\n RETURN_DOM_IMPORT = cfg.RETURN_DOM_IMPORT !== false; // Default true\n RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false\n FORCE_BODY = cfg.FORCE_BODY || false; // Default false\n SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true\n KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true\n IN_PLACE = cfg.IN_PLACE || false; // Default false\n IS_ALLOWED_URI$$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI$$1;\n NAMESPACE = cfg.NAMESPACE || NAMESPACE;\n if (SAFE_FOR_TEMPLATES) {\n ALLOW_DATA_ATTR = false;\n }\n\n if (RETURN_DOM_FRAGMENT) {\n RETURN_DOM = true;\n }\n\n /* Parse profile info */\n if (USE_PROFILES) {\n ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(text)));\n ALLOWED_ATTR = [];\n if (USE_PROFILES.html === true) {\n addToSet(ALLOWED_TAGS, html);\n addToSet(ALLOWED_ATTR, html$1);\n }\n\n if (USE_PROFILES.svg === true) {\n addToSet(ALLOWED_TAGS, svg);\n addToSet(ALLOWED_ATTR, svg$1);\n addToSet(ALLOWED_ATTR, xml);\n }\n\n if (USE_PROFILES.svgFilters === true) {\n addToSet(ALLOWED_TAGS, svgFilters);\n addToSet(ALLOWED_ATTR, svg$1);\n addToSet(ALLOWED_ATTR, xml);\n }\n\n if (USE_PROFILES.mathMl === true) {\n addToSet(ALLOWED_TAGS, mathMl);\n addToSet(ALLOWED_ATTR, mathMl$1);\n addToSet(ALLOWED_ATTR, xml);\n }\n }\n\n /* Merge configuration parameters */\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);\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);\n }\n\n if (cfg.ADD_URI_SAFE_ATTR) {\n addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR);\n }\n\n /* Add #text in case KEEP_CONTENT is set to true */\n if (KEEP_CONTENT) {\n ALLOWED_TAGS['#text'] = true;\n }\n\n /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */\n if (WHOLE_DOCUMENT) {\n addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);\n }\n\n /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */\n if (ALLOWED_TAGS.table) {\n addToSet(ALLOWED_TAGS, ['tbody']);\n delete FORBID_TAGS.tbody;\n }\n\n // Prevent further manipulation of configuration.\n // Not available in IE8, Safari 5, etc.\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\n var HTML_INTEGRATION_POINTS = addToSet({}, ['foreignobject', 'desc', 'title', 'annotation-xml']);\n\n /* Keep track of all possible SVG and MathML tags\n * so that we can perform the namespace checks\n * correctly. */\n var ALL_SVG_TAGS = addToSet({}, svg);\n addToSet(ALL_SVG_TAGS, svgFilters);\n addToSet(ALL_SVG_TAGS, svgDisallowed);\n\n var ALL_MATHML_TAGS = addToSet({}, mathMl);\n addToSet(ALL_MATHML_TAGS, mathMlDisallowed);\n\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 var _checkValidNamespace = function _checkValidNamespace(element) {\n var parent = getParentNode(element);\n\n // In JSDOM, if we're inside shadow DOM, then parentNode\n // can be null. We just simulate parent in this case.\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 }\n\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 if (parent.namespaceURI === MATHML_NAMESPACE) {\n return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]);\n }\n\n // We only allow elements that are defined in SVG\n // spec. All others are disallowed in SVG namespace.\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 }\n\n // The only way to switch from SVG to MathML is via\n // <math> and HTML integration points\n if (parent.namespaceURI === SVG_NAMESPACE) {\n return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];\n }\n\n // We only allow elements that are defined in MathML\n // spec. All others are disallowed in MathML namespace.\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 }\n\n // Certain elements are allowed in both SVG and HTML\n // namespace. We need to specify them explicitly\n // so that they don't get erronously deleted from\n // HTML namespace.\n var commonSvgAndHTMLElements = addToSet({}, ['title', 'style', 'font', 'a', 'script']);\n\n // We disallow tags that are specific for MathML\n // or SVG and should never appear in HTML namespace\n return !ALL_MATHML_TAGS[tagName] && (commonSvgAndHTMLElements[tagName] || !ALL_SVG_TAGS[tagName]);\n }\n\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 return false;\n };\n\n /**\n * _forceRemove\n *\n * @param {Node} node a DOM node\n */\n var _forceRemove = function _forceRemove(node) {\n arrayPush(DOMPurify.removed, { element: node });\n try {\n node.parentNode.removeChild(node);\n } catch (_) {\n try {\n node.outerHTML = emptyHTML;\n } catch (_) {\n node.remove();\n }\n }\n };\n\n /**\n * _removeAttribute\n *\n * @param {String} name an Attribute name\n * @param {Node} node a DOM node\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);\n\n // We void attribute values for unremovable \"is\"\" attributes\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 /**\n * _initDocument\n *\n * @param {String} dirty a string of dirty markup\n * @return {Document} a DOM, filled with the dirty markup\n */\n var _initDocument = function _initDocument(dirty) {\n /* Create a HTML document */\n var doc = void 0;\n var leadingWhitespace = void 0;\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 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 if (NAMESPACE === HTML_NAMESPACE) {\n try {\n doc = new DOMParser().parseFromString(dirtyPayload, 'text/html');\n } catch (_) {}\n }\n\n /* Use createHTMLDocument in case DOMParser is not available */\n if (!doc || !doc.documentElement) {\n doc = implementation.createDocument(NAMESPACE, 'template', null);\n doc.documentElement.innerHTML = dirtyPayload;\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\n /* Work on whole document or just its body */\n return WHOLE_DOCUMENT ? doc.documentElement : body;\n };\n\n /**\n * _createIterator\n *\n * @param {Document} root document/fragment to create iterator for\n * @return {Iterator} iterator instance\n */\n var _createIterator = function _createIterator(root) {\n return createNodeIterator.call(root.ownerDocument || root, root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, function () {\n return NodeFilter.FILTER_ACCEPT;\n }, false);\n };\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 var _isClobbered = function _isClobbered(elm) {\n if (elm instanceof Text || elm instanceof Comment) {\n return false;\n }\n\n if (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 return true;\n }\n\n return false;\n };\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 var _isNode = function _isNode(object) {\n return (typeof Node === 'undefined' ? 'undefined' : _typeof(Node)) === 'object' ? object instanceof Node : object && (typeof object === 'undefined' ? 'undefined' : _typeof(object)) === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string';\n };\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 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 /**\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 var _sanitizeElements = function _sanitizeElements(currentNode) {\n var content = void 0;\n\n /* Execute a hook if present */\n _executeHook('beforeSanitizeElements', currentNode, null);\n\n /* Check if element is clobbered or can clobber */\n if (_isClobbered(currentNode)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Check if tagname contains Unicode */\n if (stringMatch(currentNode.nodeName, /[\\u0080-\\uFFFF]/)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Now let's check the element's type and name */\n var tagName = stringToLowerCase(currentNode.nodeName);\n\n /* Execute a hook if present */\n _executeHook('uponSanitizeElement', currentNode, {\n tagName: tagName,\n allowedTags: ALLOWED_TAGS\n });\n\n /* Detect mXSS attempts abusing namespace confusion */\n if (!_isNode(currentNode.firstElementChild) && (!_isNode(currentNode.content) || !_isNode(currentNode.content.firstElementChild)) && regExpTest(/<[/\\w]/g, currentNode.innerHTML) && regExpTest(/<[/\\w]/g, currentNode.textContent)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Remove element if anything forbids its presence */\n if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {\n /* Keep content except for bad-listed elements */\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 return true;\n }\n\n /* Check whether element has a valid namespace */\n if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {\n _forceRemove(currentNode);\n return true;\n }\n\n if ((tagName === 'noscript' || tagName === 'noembed') && regExpTest(/<\\/no(script|embed)/i, currentNode.innerHTML)) {\n _forceRemove(currentNode);\n return true;\n }\n\n /* Sanitize element content to be template-safe */\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$$1, ' ');\n if (currentNode.textContent !== content) {\n arrayPush(DOMPurify.removed, { element: currentNode.cloneNode() });\n currentNode.textContent = content;\n }\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeElements', currentNode, null);\n\n return false;\n };\n\n /**\n * _isValidAttribute\n *\n * @param {string} lcTag Lowercase tag name of containing element.\n * @param {string} lcName Lowercase attribute name.\n * @param {string} value Attribute value.\n * @return {Boolean} Returns true if `value` is valid, otherwise false.\n */\n // eslint-disable-next-line complexity\n var _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {\n /* Make sure attribute cannot clobber */\n if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {\n return false;\n }\n\n /* Allow valid data-* attributes: At least one character after \"-\"\n (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)\n XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)\n We don't need to check the value; it's always URI safe. */\n if (ALLOW_DATA_ATTR && regExpTest(DATA_ATTR$$1, lcName)) ; else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR$$1, lcName)) ; else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {\n return false;\n\n /* Check value is safe. First, is attr inert? If so, is safe */\n } else if (URI_SAFE_ATTRIBUTES[lcName]) ; else if (regExpTest(IS_ALLOWED_URI$$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$$1, ''))) ; else if (!value) ; else {\n return false;\n }\n\n return true;\n };\n\n /**\n * _sanitizeAttributes\n *\n * @protect attributes\n * @protect nodeName\n * @protect removeAttribute\n * @protect setAttribute\n *\n * @param {Node} currentNode to sanitize\n */\n var _sanitizeAttributes = function _sanitizeAttributes(currentNode) {\n var attr = void 0;\n var value = void 0;\n var lcName = void 0;\n var l = void 0;\n /* Execute a hook if present */\n _executeHook('beforeSanitizeAttributes', currentNode, null);\n\n var attributes = currentNode.attributes;\n\n /* Check if we have attributes; if not we might have a text node */\n\n if (!attributes) {\n return;\n }\n\n var hookEvent = {\n attrName: '',\n attrValue: '',\n keepAttr: true,\n allowedAttributes: ALLOWED_ATTR\n };\n l = attributes.length;\n\n /* Go backwards over all attributes; safely remove bad ones */\n while (l--) {\n attr = attributes[l];\n var _attr = attr,\n name = _attr.name,\n namespaceURI = _attr.namespaceURI;\n\n value = stringTrim(attr.value);\n lcName = stringToLowerCase(name);\n\n /* Execute a hook if present */\n hookEvent.attrName = lcName;\n hookEvent.attrValue = value;\n hookEvent.keepAttr = true;\n hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set\n _executeHook('uponSanitizeAttribute', currentNode, hookEvent);\n value = hookEvent.attrValue;\n /* Did the hooks approve of the attribute? */\n if (hookEvent.forceKeepAttr) {\n continue;\n }\n\n /* Remove attribute */\n _removeAttribute(name, currentNode);\n\n /* Did the hooks approve of the attribute? */\n if (!hookEvent.keepAttr) {\n continue;\n }\n\n /* Work around a security issue in jQuery 3.0 */\n if (regExpTest(/\\/>/i, value)) {\n _removeAttribute(name, currentNode);\n continue;\n }\n\n /* Sanitize attribute content to be template-safe */\n if (SAFE_FOR_TEMPLATES) {\n value = stringReplace(value, MUSTACHE_EXPR$$1, ' ');\n value = stringReplace(value, ERB_EXPR$$1, ' ');\n }\n\n /* Is `value` valid for this attribute? */\n var lcTag = currentNode.nodeName.toLowerCase();\n if (!_isValidAttribute(lcTag, lcName, value)) {\n continue;\n }\n\n /* Handle invalid data-* attribute set by try-catching it */\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\n /* Execute a hook if present */\n _executeHook('afterSanitizeAttributes', currentNode, null);\n };\n\n /**\n * _sanitizeShadowDOM\n *\n * @param {DocumentFragment} fragment to iterate over recursively\n */\n var _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {\n var shadowNode = void 0;\n var shadowIterator = _createIterator(fragment);\n\n /* Execute a hook if present */\n _executeHook('beforeSanitizeShadowDOM', fragment, null);\n\n while (shadowNode = shadowIterator.nextNode()) {\n /* Execute a hook if present */\n _executeHook('uponSanitizeShadowNode', shadowNode, null);\n\n /* Sanitize tags and elements */\n if (_sanitizeElements(shadowNode)) {\n continue;\n }\n\n /* Deep shadow DOM detected */\n if (shadowNode.content instanceof DocumentFragment) {\n _sanitizeShadowDOM(shadowNode.content);\n }\n\n /* Check attributes, sanitize if necessary */\n _sanitizeAttributes(shadowNode);\n }\n\n /* Execute a hook if present */\n _executeHook('afterSanitizeShadowDOM', fragment, null);\n };\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 DOMPurify.sanitize = function (dirty, cfg) {\n var body = void 0;\n var importedNode = void 0;\n var currentNode = void 0;\n var oldNode = void 0;\n var returnNode = void 0;\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 if (!dirty) {\n dirty = '<!-->';\n }\n\n /* Stringify, in case dirty is an object */\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 if (typeof dirty !== 'string') {\n throw typeErrorCreate('dirty is not a string, aborting');\n }\n }\n }\n\n /* Check we can run. Otherwise fall back or ignore */\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\n /* Assign config vars */\n if (!SET_CONFIG) {\n _parseConfig(cfg);\n }\n\n /* Clean up removed elements */\n DOMPurify.removed = [];\n\n /* Check if dirty is correctly typed for IN_PLACE */\n if (typeof dirty === 'string') {\n IN_PLACE = false;\n }\n\n if (IN_PLACE) ; 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 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-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 &&\n // eslint-disable-next-line unicorn/prefer-includes\n dirty.indexOf('<') === -1) {\n return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty;\n }\n\n /* Initialize the document to work on */\n body = _initDocument(dirty);\n\n /* Check we have a DOM node from the data */\n if (!body) {\n return RETURN_DOM ? null : emptyHTML;\n }\n }\n\n /* Remove first element node (ours) if FORCE_BODY is set */\n if (body && FORCE_BODY) {\n _forceRemove(body.firstChild);\n }\n\n /* Get node iterator */\n var nodeIterator = _createIterator(IN_PLACE ? dirty : body);\n\n /* Now start iterating over the created document */\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\n /* Sanitize tags and elements */\n if (_sanitizeElements(currentNode)) {\n continue;\n }\n\n /* Shadow DOM detected, sanitize it */\n if (currentNode.content instanceof DocumentFragment) {\n _sanitizeShadowDOM(currentNode.content);\n }\n\n /* Check attributes, sanitize if necessary */\n _sanitizeAttributes(currentNode);\n\n oldNode = currentNode;\n }\n\n oldNode = null;\n\n /* If we sanitized `dirty` in-place, return it. */\n if (IN_PLACE) {\n return dirty;\n }\n\n /* Return sanitized string or DOM */\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-node-append\n returnNode.appendChild(body.firstChild);\n }\n } else {\n returnNode = body;\n }\n\n if (RETURN_DOM_IMPORT) {\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\n /* Sanitize final string template-safe */\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 /**\n * Public method to set the configuration once\n * setConfig\n *\n * @param {Object} cfg configuration object\n */\n DOMPurify.setConfig = function (cfg) {\n _parseConfig(cfg);\n SET_CONFIG = true;\n };\n\n /**\n * Public method to remove the configuration\n * clearConfig\n *\n */\n DOMPurify.clearConfig = function () {\n CONFIG = null;\n SET_CONFIG = false;\n };\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 DOMPurify.isValidAttribute = function (tag, attr, value) {\n /* Initialize shared config vars if necessary. */\n if (!CONFIG) {\n _parseConfig({});\n }\n\n var lcTag = stringToLowerCase(tag);\n var lcName = stringToLowerCase(attr);\n return _isValidAttribute(lcTag, lcName, value);\n };\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 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 /**\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 */\n DOMPurify.removeHook = function (entryPoint) {\n if (hooks[entryPoint]) {\n arrayPop(hooks[entryPoint]);\n }\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 DOMPurify.removeHooks = function (entryPoint) {\n if (hooks[entryPoint]) {\n hooks[entryPoint] = [];\n }\n };\n\n /**\n * RemoveAllHooks\n * Public method to remove all DOMPurify hooks\n *\n */\n DOMPurify.removeAllHooks = function () {\n hooks = {};\n };\n\n return DOMPurify;\n }\n\n var purify = createDOMPurify();\n\n return purify;\n\n}));\n//# sourceMappingURL=purify.js.map\n"],"sourceRoot":""}
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