/*! @license DOMPurify 3.0.5 | (c) Cure53 and other contributors | Released under the Apache license 2.0 and Mozilla Public License 2.0 | github.com/cure53/DOMPurify/blob/3.0.5/LICENSE */

const {
	entries,
	setPrototypeOf,
	isFrozen,
	getPrototypeOf,
	getOwnPropertyDescriptor
} = Object;
let {
	freeze,
	seal,
	create
} = Object; // eslint-disable-line import/no-mutable-exports

let {
	apply,
	construct
} = typeof Reflect !== 'undefined' && Reflect;

if (!apply) {
	apply = function apply(fun, thisValue, args) {
		return fun.apply(thisValue, args);
	};
}

if (!freeze) {
	freeze = function freeze(x) {
		return x;
	};
}

if (!seal) {
	seal = function seal(x) {
		return x;
	};
}

if (!construct) {
	construct = function construct(Func, args) {
		return new Func(...args);
	};
}

const arrayForEach = unapply(Array.prototype.forEach);
const arrayPop = unapply(Array.prototype.pop);
const arrayPush = unapply(Array.prototype.push);
const stringToLowerCase = unapply(String.prototype.toLowerCase);
const stringToString = unapply(String.prototype.toString);
const stringMatch = unapply(String.prototype.match);
const stringReplace = unapply(String.prototype.replace);
const stringIndexOf = unapply(String.prototype.indexOf);
const stringTrim = unapply(String.prototype.trim);
const regExpTest = unapply(RegExp.prototype.test);
const typeErrorCreate = unconstruct(TypeError);
function unapply(func) {
	return function (thisArg) {
		for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
			args[_key - 1] = arguments[_key];
		}

		return apply(func, thisArg, args);
	};
}
function unconstruct(func) {
	return function () {
		for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
			args[_key2] = arguments[_key2];
		}

		return construct(func, args);
	};
}
/* Add properties to a lookup table */

function addToSet(set, array, transformCaseFunc) {
	var _transformCaseFunc;

	transformCaseFunc = (_transformCaseFunc = transformCaseFunc) !== null && _transformCaseFunc !== void 0 ? _transformCaseFunc : stringToLowerCase;

	if (setPrototypeOf) {
		// Make 'in' and truthy checks like Boolean(set.constructor)
		// independent of any properties defined on Object.prototype.
		// Prevent prototype setters from intercepting set as a this value.
		setPrototypeOf(set, null);
	}

	let l = array.length;

	while (l--) {
		let element = array[l];

		if (typeof element === 'string') {
			const lcElement = transformCaseFunc(element);

			if (lcElement !== element) {
				// Config presets (e.g. tags.js, attrs.js) are immutable.
				if (!isFrozen(array)) {
					array[l] = lcElement;
				}

				element = lcElement;
			}
		}

		set[element] = true;
	}

	return set;
}
/* Shallow clone an object */

function clone(object) {
	const newObject = create(null);

	for (const [property, value] of entries(object)) {
		newObject[property] = value;
	}

	return newObject;
}
/* This method automatically checks if the prop is function
 * or getter and behaves accordingly. */

function lookupGetter(object, prop) {
	while (object !== null) {
		const desc = getOwnPropertyDescriptor(object, prop);

		if (desc) {
			if (desc.get) {
				return unapply(desc.get);
			}

			if (typeof desc.value === 'function') {
				return unapply(desc.value);
			}
		}

		object = getPrototypeOf(object);
	}

	function fallbackValue(element) {
		console.warn('fallback value for', element);
		return null;
	}

	return fallbackValue;
}

const 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

const 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']);
const svgFilters = freeze(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feDropShadow', '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.
// We still need to know them so that we can do namespace
// checks properly in case one wants to add them to
// allow-list.

const svgDisallowed = freeze(['animate', 'color-profile', 'cursor', 'discard', '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']);
const 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', 'mprescripts']); // Similarly to SVG, we want to know all MathML elements,
// even those that we disallow by default.

const mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);
const text = freeze(['#text']);

const 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']);
const 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']);
const 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']);
const xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);

const MUSTACHE_EXPR = seal(/\{\{[\w\W]*|[\w\W]*\}\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode

const ERB_EXPR = seal(/<%[\w\W]*|[\w\W]*%>/gm);
const TMPLIT_EXPR = seal(/\${[\w\W]*}/gm);
const DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]/); // eslint-disable-line no-useless-escape

const ARIA_ATTR = seal(/^aria-[\-\w]+$/); // eslint-disable-line no-useless-escape

const IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|sms|cid|xmpp):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i // eslint-disable-line no-useless-escape
);
const IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i);
const ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205F\u3000]/g // eslint-disable-line no-control-regex
);
const DOCTYPE_NAME = seal(/^html$/i);

var EXPRESSIONS = /*#__PURE__*/Object.freeze({
	__proto__: null,
	MUSTACHE_EXPR: MUSTACHE_EXPR,
	ERB_EXPR: ERB_EXPR,
	TMPLIT_EXPR: TMPLIT_EXPR,
	DATA_ATTR: DATA_ATTR,
	ARIA_ATTR: ARIA_ATTR,
	IS_ALLOWED_URI: IS_ALLOWED_URI,
	IS_SCRIPT_OR_DATA: IS_SCRIPT_OR_DATA,
	ATTR_WHITESPACE: ATTR_WHITESPACE,
	DOCTYPE_NAME: DOCTYPE_NAME
});

const getGlobal = () => typeof window === 'undefined' ? null : window;
/**
 * Creates a no-op policy for internal use only.
 * Don't export this function outside this module!
 * @param {?TrustedTypePolicyFactory} trustedTypes The policy factory.
 * @param {HTMLScriptElement} purifyHostElement The Script element used to load DOMPurify (to determine policy name suffix).
 * @return {?TrustedTypePolicy} The policy created (or null, if Trusted Types
 * are not supported or creating the policy failed).
 */


const _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, purifyHostElement) {
	if (typeof trustedTypes !== 'object' || typeof trustedTypes.createPolicy !== 'function') {
		return null;
	} // Allow the callers to control the unique policy name
	// by adding a data-tt-policy-suffix to the script element with the DOMPurify.
	// Policy creation with duplicate names throws in Trusted Types.


	let suffix = null;
	const ATTR_NAME = 'data-tt-policy-suffix';

	if (purifyHostElement && purifyHostElement.hasAttribute(ATTR_NAME)) {
		suffix = purifyHostElement.getAttribute(ATTR_NAME);
	}

	const policyName = 'dompurify' + (suffix ? '#' + suffix : '');

	try {
		return trustedTypes.createPolicy(policyName, {
			createHTML(html) {
				return html;
			},

			createScriptURL(scriptUrl) {
				return scriptUrl;
			}

		});
	} catch (_) {
		// Policy creation failed (most likely another DOMPurify script has
		// already run). Skip creating the policy, as this will only cause errors
		// if TT are enforced.
		console.warn('TrustedTypes policy ' + policyName + ' could not be created.');
		return null;
	}
};

function createDOMPurify() {
	let window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();

	const DOMPurify = root => createDOMPurify(root);
	/**
	 * Version label, exposed for easier checks
	 * if DOMPurify is up to date or not
	 */


	DOMPurify.version = '3.0.5';
	/**
	 * Array of elements that DOMPurify removed during sanitation.
	 * Empty if nothing was removed.
	 */

	DOMPurify.removed = [];

	if (!window || !window.document || window.document.nodeType !== 9) {
		// Not running in a browser, provide a factory function
		// so that you can pass your own Window
		DOMPurify.isSupported = false;
		return DOMPurify;
	}

	const originalDocument = window.document;
	const currentScript = originalDocument.currentScript;
	let {
		document
	} = window;
	const {
		DocumentFragment,
		HTMLTemplateElement,
		Node,
		Element,
		NodeFilter,
		NamedNodeMap = window.NamedNodeMap || window.MozNamedAttrMap,
		HTMLFormElement,
		DOMParser,
		trustedTypes
	} = window;
	const ElementPrototype = Element.prototype;
	const cloneNode = lookupGetter(ElementPrototype, 'cloneNode');
	const getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');
	const getChildNodes = lookupGetter(ElementPrototype, 'childNodes');
	const getParentNode = lookupGetter(ElementPrototype, 'parentNode'); // As per issue #47, the web-components registry is inherited by a
	// new document created via createHTMLDocument. As per the spec
	// (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)
	// a new empty registry is used when creating a template contents owner
	// document, so we use that as our parent document to ensure nothing
	// is inherited.

	if (typeof HTMLTemplateElement === 'function') {
		const template = document.createElement('template');

		if (template.content && template.content.ownerDocument) {
			document = template.content.ownerDocument;
		}
	}

	let trustedTypesPolicy;
	let emptyHTML = '';
	const {
		implementation,
		createNodeIterator,
		createDocumentFragment,
		getElementsByTagName
	} = document;
	const {
		importNode
	} = originalDocument;
	let hooks = {};
	/**
	 * Expose whether this browser supports running the full DOMPurify.
	 */

	DOMPurify.isSupported = typeof entries === 'function' && typeof getParentNode === 'function' && implementation && implementation.createHTMLDocument !== undefined;
	const {
		MUSTACHE_EXPR,
		ERB_EXPR,
		TMPLIT_EXPR,
		DATA_ATTR,
		ARIA_ATTR,
		IS_SCRIPT_OR_DATA,
		ATTR_WHITESPACE
	} = EXPRESSIONS;
	let {
		IS_ALLOWED_URI: IS_ALLOWED_URI$1
	} = EXPRESSIONS;
	/**
	 * We consider the elements and attributes below to be safe. Ideally
	 * don't add any new ones but feel free to remove unwanted ones.
	 */

	/* allowed element names */

	let ALLOWED_TAGS = null;
	const DEFAULT_ALLOWED_TAGS = addToSet({}, [...html$1, ...svg$1, ...svgFilters, ...mathMl$1, ...text]);
	/* Allowed attribute names */

	let ALLOWED_ATTR = null;
	const DEFAULT_ALLOWED_ATTR = addToSet({}, [...html, ...svg, ...mathMl, ...xml]);
	/*
	 * Configure how DOMPUrify should handle custom elements and their attributes as well as customized built-in elements.
	 * @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements)
	 * @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list)
	 * @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`.
	 */

	let CUSTOM_ELEMENT_HANDLING = Object.seal(Object.create(null, {
		tagNameCheck: {
			writable: true,
			configurable: false,
			enumerable: true,
			value: null
		},
		attributeNameCheck: {
			writable: true,
			configurable: false,
			enumerable: true,
			value: null
		},
		allowCustomizedBuiltInElements: {
			writable: true,
			configurable: false,
			enumerable: true,
			value: false
		}
	}));
	/* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */

	let FORBID_TAGS = null;
	/* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */

	let FORBID_ATTR = null;
	/* Decide if ARIA attributes are okay */

	let ALLOW_ARIA_ATTR = true;
	/* Decide if custom data attributes are okay */

	let ALLOW_DATA_ATTR = true;
	/* Decide if unknown protocols are okay */

	let ALLOW_UNKNOWN_PROTOCOLS = false;
	/* Decide if self-closing tags in attributes are allowed.
	 * Usually removed due to a mXSS issue in jQuery 3.0 */

	let ALLOW_SELF_CLOSE_IN_ATTR = true;
	/* Output should be safe for common template engines.
	 * This means, DOMPurify removes data attributes, mustaches and ERB
	 */

	let SAFE_FOR_TEMPLATES = false;
	/* Decide if document with <html>... should be returned */

	let WHOLE_DOCUMENT = false;
	/* Track whether config is already set on this instance of DOMPurify. */

	let SET_CONFIG = false;
	/* Decide if all elements (e.g. style, script) must be children of
	 * document.body. By default, browsers might move them to document.head */

	let FORCE_BODY = false;
	/* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html
	 * string (or a TrustedHTML object if Trusted Types are supported).
	 * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead
	 */

	let RETURN_DOM = false;
	/* Decide if a DOM `DocumentFragment` should be returned, instead of a html
	 * string  (or a TrustedHTML object if Trusted Types are supported) */

	let RETURN_DOM_FRAGMENT = false;
	/* Try to return a Trusted Type object instead of a string, return a string in
	 * case Trusted Types are not supported  */

	let RETURN_TRUSTED_TYPE = false;
	/* Output should be free from DOM clobbering attacks?
	 * This sanitizes markups named with colliding, clobberable built-in DOM APIs.
	 */

	let SANITIZE_DOM = true;
	/* Achieve full DOM Clobbering protection by isolating the namespace of named
	 * properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules.
	 *
	 * HTML/DOM spec rules that enable DOM Clobbering:
	 *   - Named Access on Window (§7.3.3)
	 *   - DOM Tree Accessors (§3.1.5)
	 *   - Form Element Parent-Child Relations (§4.10.3)
	 *   - Iframe srcdoc / Nested WindowProxies (§4.8.5)
	 *   - HTMLCollection (§4.2.10.2)
	 *
	 * Namespace isolation is implemented by prefixing `id` and `name` attributes
	 * with a constant string, i.e., `user-content-`
	 */

	let SANITIZE_NAMED_PROPS = false;
	const SANITIZE_NAMED_PROPS_PREFIX = 'user-content-';
	/* Keep element content when removing element? */

	let KEEP_CONTENT = true;
	/* If a `Node` is passed to sanitize(), then performs sanitization in-place instead
	 * of importing it into a new Document and returning a sanitized copy */

	let IN_PLACE = false;
	/* Allow usage of profiles like html, svg and mathMl */

	let USE_PROFILES = {};
	/* Tags to ignore content of when KEEP_CONTENT is true */

	let FORBID_CONTENTS = null;
	const 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']);
	/* Tags that are safe for data: URIs */

	let DATA_URI_TAGS = null;
	const DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);
	/* Attributes safe for values like "javascript:" */

	let URI_SAFE_ATTRIBUTES = null;
	const DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'role', 'summary', 'title', 'value', 'style', 'xmlns']);
	const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
	const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
	const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
	/* Document namespace */

	let NAMESPACE = HTML_NAMESPACE;
	let IS_EMPTY_INPUT = false;
	/* Allowed XHTML+XML namespaces */

	let ALLOWED_NAMESPACES = null;
	const DEFAULT_ALLOWED_NAMESPACES = addToSet({}, [MATHML_NAMESPACE, SVG_NAMESPACE, HTML_NAMESPACE], stringToString);
	/* Parsing of strict XHTML documents */

	let PARSER_MEDIA_TYPE;
	const SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];
	const DEFAULT_PARSER_MEDIA_TYPE = 'text/html';
	let transformCaseFunc;
	/* Keep a reference to config to pass to hooks */

	let CONFIG = null;
	/* Ideally, do not touch anything below this line */

	/* ______________________________________________ */

	const formElement = document.createElement('form');

	const isRegexOrFunction = function isRegexOrFunction(testValue) {
		return testValue instanceof RegExp || testValue instanceof Function;
	};
	/**
	 * _parseConfig
	 *
	 * @param  {Object} cfg optional config literal
	 */
	// eslint-disable-next-line complexity


	const _parseConfig = function _parseConfig(cfg) {
		if (CONFIG && CONFIG === cfg) {
			return;
		}
		/* Shield configuration object from tampering */


		if (!cfg || typeof cfg !== 'object') {
			cfg = {};
		}
		/* Shield configuration object from prototype pollution */


		cfg = clone(cfg);
		PARSER_MEDIA_TYPE = // eslint-disable-next-line unicorn/prefer-includes
			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.

		transformCaseFunc = PARSER_MEDIA_TYPE === 'application/xhtml+xml' ? stringToString : stringToLowerCase;
		/* Set configuration parameters */

		ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS, transformCaseFunc) : DEFAULT_ALLOWED_TAGS;
		ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR, transformCaseFunc) : DEFAULT_ALLOWED_ATTR;
		ALLOWED_NAMESPACES = 'ALLOWED_NAMESPACES' in cfg ? addToSet({}, cfg.ALLOWED_NAMESPACES, stringToString) : DEFAULT_ALLOWED_NAMESPACES;
		URI_SAFE_ATTRIBUTES = 'ADD_URI_SAFE_ATTR' in cfg ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), // eslint-disable-line indent
			cfg.ADD_URI_SAFE_ATTR, // eslint-disable-line indent
			transformCaseFunc // eslint-disable-line indent
		) // eslint-disable-line indent
			: DEFAULT_URI_SAFE_ATTRIBUTES;
		DATA_URI_TAGS = 'ADD_DATA_URI_TAGS' in cfg ? addToSet(clone(DEFAULT_DATA_URI_TAGS), // eslint-disable-line indent
			cfg.ADD_DATA_URI_TAGS, // eslint-disable-line indent
			transformCaseFunc // eslint-disable-line indent
		) // eslint-disable-line indent
			: DEFAULT_DATA_URI_TAGS;
		FORBID_CONTENTS = 'FORBID_CONTENTS' in cfg ? addToSet({}, cfg.FORBID_CONTENTS, transformCaseFunc) : DEFAULT_FORBID_CONTENTS;
		FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS, transformCaseFunc) : {};
		FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR, transformCaseFunc) : {};
		USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false;
		ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true

		ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true

		ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false

		ALLOW_SELF_CLOSE_IN_ATTR = cfg.ALLOW_SELF_CLOSE_IN_ATTR !== false; // Default true

		SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false

		WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false

		RETURN_DOM = cfg.RETURN_DOM || false; // Default false

		RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false

		RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false

		FORCE_BODY = cfg.FORCE_BODY || false; // Default false

		SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true

		SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false

		KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true

		IN_PLACE = cfg.IN_PLACE || false; // Default false

		IS_ALLOWED_URI$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI;
		NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE;
		CUSTOM_ELEMENT_HANDLING = cfg.CUSTOM_ELEMENT_HANDLING || {};

		if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck)) {
			CUSTOM_ELEMENT_HANDLING.tagNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck;
		}

		if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck)) {
			CUSTOM_ELEMENT_HANDLING.attributeNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck;
		}

		if (cfg.CUSTOM_ELEMENT_HANDLING && typeof cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements === 'boolean') {
			CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements = cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements;
		}

		if (SAFE_FOR_TEMPLATES) {
			ALLOW_DATA_ATTR = false;
		}

		if (RETURN_DOM_FRAGMENT) {
			RETURN_DOM = true;
		}
		/* Parse profile info */


		if (USE_PROFILES) {
			ALLOWED_TAGS = addToSet({}, [...text]);
			ALLOWED_ATTR = [];

			if (USE_PROFILES.html === true) {
				addToSet(ALLOWED_TAGS, html$1);
				addToSet(ALLOWED_ATTR, html);
			}

			if (USE_PROFILES.svg === true) {
				addToSet(ALLOWED_TAGS, svg$1);
				addToSet(ALLOWED_ATTR, svg);
				addToSet(ALLOWED_ATTR, xml);
			}

			if (USE_PROFILES.svgFilters === true) {
				addToSet(ALLOWED_TAGS, svgFilters);
				addToSet(ALLOWED_ATTR, svg);
				addToSet(ALLOWED_ATTR, xml);
			}

			if (USE_PROFILES.mathMl === true) {
				addToSet(ALLOWED_TAGS, mathMl$1);
				addToSet(ALLOWED_ATTR, mathMl);
				addToSet(ALLOWED_ATTR, xml);
			}
		}
		/* Merge configuration parameters */


		if (cfg.ADD_TAGS) {
			if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {
				ALLOWED_TAGS = clone(ALLOWED_TAGS);
			}

			addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc);
		}

		if (cfg.ADD_ATTR) {
			if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {
				ALLOWED_ATTR = clone(ALLOWED_ATTR);
			}

			addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc);
		}

		if (cfg.ADD_URI_SAFE_ATTR) {
			addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc);
		}

		if (cfg.FORBID_CONTENTS) {
			if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {
				FORBID_CONTENTS = clone(FORBID_CONTENTS);
			}

			addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc);
		}
		/* Add #text in case KEEP_CONTENT is set to true */


		if (KEEP_CONTENT) {
			ALLOWED_TAGS['#text'] = true;
		}
		/* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */


		if (WHOLE_DOCUMENT) {
			addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);
		}
		/* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */


		if (ALLOWED_TAGS.table) {
			addToSet(ALLOWED_TAGS, ['tbody']);
			delete FORBID_TAGS.tbody;
		}

		if (cfg.TRUSTED_TYPES_POLICY) {
			if (typeof cfg.TRUSTED_TYPES_POLICY.createHTML !== 'function') {
				throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createHTML" hook.');
			}

			if (typeof cfg.TRUSTED_TYPES_POLICY.createScriptURL !== 'function') {
				throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createScriptURL" hook.');
			} // Overwrite existing TrustedTypes policy.


			trustedTypesPolicy = cfg.TRUSTED_TYPES_POLICY; // Sign local variables required by `sanitize`.

			emptyHTML = trustedTypesPolicy.createHTML('');
		} else {
			// Uninitialized policy, attempt to initialize the internal dompurify policy.
			if (trustedTypesPolicy === undefined) {
				trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, currentScript);
			} // If creating the internal policy succeeded sign internal variables.


			if (trustedTypesPolicy !== null && typeof emptyHTML === 'string') {
				emptyHTML = trustedTypesPolicy.createHTML('');
			}
		} // Prevent further manipulation of configuration.
		// Not available in IE8, Safari 5, etc.


		if (freeze) {
			freeze(cfg);
		}

		CONFIG = cfg;
	};

	const MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, ['mi', 'mo', 'mn', 'ms', 'mtext']);
	const HTML_INTEGRATION_POINTS = addToSet({}, ['foreignobject', 'desc', 'title', 'annotation-xml']); // Certain elements are allowed in both SVG and HTML
	// namespace. We need to specify them explicitly
	// so that they don't get erroneously deleted from
	// HTML namespace.

	const COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, ['title', 'style', 'font', 'a', 'script']);
	/* Keep track of all possible SVG and MathML tags
	 * so that we can perform the namespace checks
	 * correctly. */

	const ALL_SVG_TAGS = addToSet({}, svg$1);
	addToSet(ALL_SVG_TAGS, svgFilters);
	addToSet(ALL_SVG_TAGS, svgDisallowed);
	const ALL_MATHML_TAGS = addToSet({}, mathMl$1);
	addToSet(ALL_MATHML_TAGS, mathMlDisallowed);
	/**
	 *
	 *
	 * @param  {Element} element a DOM element whose namespace is being checked
	 * @returns {boolean} Return false if the element has a
	 *  namespace that a spec-compliant parser would never
	 *  return. Return true otherwise.
	 */

	const _checkValidNamespace = function _checkValidNamespace(element) {
		let parent = getParentNode(element); // In JSDOM, if we're inside shadow DOM, then parentNode
		// can be null. We just simulate parent in this case.

		if (!parent || !parent.tagName) {
			parent = {
				namespaceURI: NAMESPACE,
				tagName: 'template'
			};
		}

		const tagName = stringToLowerCase(element.tagName);
		const parentTagName = stringToLowerCase(parent.tagName);

		if (!ALLOWED_NAMESPACES[element.namespaceURI]) {
			return false;
		}

		if (element.namespaceURI === SVG_NAMESPACE) {
			// The only way to switch from HTML namespace to SVG
			// is via <svg>. If it happens via any other tag, then
			// it should be killed.
			if (parent.namespaceURI === HTML_NAMESPACE) {
				return tagName === 'svg';
			} // The only way to switch from MathML to SVG is via`
			// svg if parent is either <annotation-xml> or MathML
			// text integration points.


			if (parent.namespaceURI === MATHML_NAMESPACE) {
				return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]);
			} // We only allow elements that are defined in SVG
			// spec. All others are disallowed in SVG namespace.


			return Boolean(ALL_SVG_TAGS[tagName]);
		}

		if (element.namespaceURI === MATHML_NAMESPACE) {
			// The only way to switch from HTML namespace to MathML
			// is via <math>. If it happens via any other tag, then
			// it should be killed.
			if (parent.namespaceURI === HTML_NAMESPACE) {
				return tagName === 'math';
			} // The only way to switch from SVG to MathML is via
			// <math> and HTML integration points


			if (parent.namespaceURI === SVG_NAMESPACE) {
				return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];
			} // We only allow elements that are defined in MathML
			// spec. All others are disallowed in MathML namespace.


			return Boolean(ALL_MATHML_TAGS[tagName]);
		}

		if (element.namespaceURI === HTML_NAMESPACE) {
			// The only way to switch from SVG to HTML is via
			// HTML integration points, and from MathML to HTML
			// is via MathML text integration points
			if (parent.namespaceURI === SVG_NAMESPACE && !HTML_INTEGRATION_POINTS[parentTagName]) {
				return false;
			}

			if (parent.namespaceURI === MATHML_NAMESPACE && !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]) {
				return false;
			} // We disallow tags that are specific for MathML
			// or SVG and should never appear in HTML namespace


			return !ALL_MATHML_TAGS[tagName] && (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName]);
		} // For XHTML and XML documents that support custom namespaces


		if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && ALLOWED_NAMESPACES[element.namespaceURI]) {
			return true;
		} // The code should never reach this place (this means
		// that the element somehow got namespace that is not
		// HTML, SVG, MathML or allowed via ALLOWED_NAMESPACES).
		// Return false just in case.


		return false;
	};
	/**
	 * _forceRemove
	 *
	 * @param  {Node} node a DOM node
	 */


	const _forceRemove = function _forceRemove(node) {
		arrayPush(DOMPurify.removed, {
			element: node
		});

		try {
			// eslint-disable-next-line unicorn/prefer-dom-node-remove
			node.parentNode.removeChild(node);
		} catch (_) {
			node.remove();
		}
	};
	/**
	 * _removeAttribute
	 *
	 * @param  {String} name an Attribute name
	 * @param  {Node} node a DOM node
	 */


	const _removeAttribute = function _removeAttribute(name, node) {
		try {
			arrayPush(DOMPurify.removed, {
				attribute: node.getAttributeNode(name),
				from: node
			});
		} catch (_) {
			arrayPush(DOMPurify.removed, {
				attribute: null,
				from: node
			});
		}

		node.removeAttribute(name); // We void attribute values for unremovable "is"" attributes

		if (name === 'is' && !ALLOWED_ATTR[name]) {
			if (RETURN_DOM || RETURN_DOM_FRAGMENT) {
				try {
					_forceRemove(node);
				} catch (_) { }
			} else {
				try {
					node.setAttribute(name, '');
				} catch (_) { }
			}
		}
	};
	/**
	 * _initDocument
	 *
	 * @param  {String} dirty a string of dirty markup
	 * @return {Document} a DOM, filled with the dirty markup
	 */


	const _initDocument = function _initDocument(dirty) {
		/* Create a HTML document */
		let doc;
		let leadingWhitespace;

		if (FORCE_BODY) {
			dirty = '<remove></remove>' + dirty;
		} else {
			/* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */
			const matches = stringMatch(dirty, /^[\r\n\t ]+/);
			leadingWhitespace = matches && matches[0];
		}

		if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && NAMESPACE === HTML_NAMESPACE) {
			// Root of XHTML doc must contain xmlns declaration (see https://www.w3.org/TR/xhtml1/normative.html#strict)
			dirty = '<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body>' + dirty + '</body></html>';
		}

		const dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty;
		/*
		 * Use the DOMParser API by default, fallback later if needs be
		 * DOMParser not work for svg when has multiple root element.
		 */

		if (NAMESPACE === HTML_NAMESPACE) {
			try {
				doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE);
			} catch (_) { }
		}
		/* Use createHTMLDocument in case DOMParser is not available */


		if (!doc || !doc.documentElement) {
			doc = implementation.createDocument(NAMESPACE, 'template', null);

			try {
				doc.documentElement.innerHTML = IS_EMPTY_INPUT ? emptyHTML : dirtyPayload;
			} catch (_) {// Syntax error if dirtyPayload is invalid xml
			}
		}

		const body = doc.body || doc.documentElement;

		if (dirty && leadingWhitespace) {
			body.insertBefore(document.createTextNode(leadingWhitespace), body.childNodes[0] || null);
		}
		/* Work on whole document or just its body */


		if (NAMESPACE === HTML_NAMESPACE) {
			return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];
		}

		return WHOLE_DOCUMENT ? doc.documentElement : body;
	};
	/**
	 * _createIterator
	 *
	 * @param  {Document} root document/fragment to create iterator for
	 * @return {Iterator} iterator instance
	 */


	const _createIterator = function _createIterator(root) {
		return createNodeIterator.call(root.ownerDocument || root, root, // eslint-disable-next-line no-bitwise
			NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, null, false);
	};
	/**
	 * _isClobbered
	 *
	 * @param  {Node} elm element to check for clobbering attacks
	 * @return {Boolean} true if clobbered, false if safe
	 */


	const _isClobbered = function _isClobbered(elm) {
		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' || typeof elm.hasChildNodes !== 'function');
	};
	/**
	 * _isNode
	 *
	 * @param  {Node} obj object to check whether it's a DOM node
	 * @return {Boolean} true is object is a DOM node
	 */


	const _isNode = function _isNode(object) {
		return typeof Node === 'object' ? object instanceof Node : object && typeof object === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string';
	};
	/**
	 * _executeHook
	 * Execute user configurable hooks
	 *
	 * @param  {String} entryPoint  Name of the hook's entry point
	 * @param  {Node} currentNode node to work on with the hook
	 * @param  {Object} data additional hook parameters
	 */


	const _executeHook = function _executeHook(entryPoint, currentNode, data) {
		if (!hooks[entryPoint]) {
			return;
		}

		arrayForEach(hooks[entryPoint], hook => {
			hook.call(DOMPurify, currentNode, data, CONFIG);
		});
	};
	/**
	 * _sanitizeElements
	 *
	 * @protect nodeName
	 * @protect textContent
	 * @protect removeChild
	 *
	 * @param   {Node} currentNode to check for permission to exist
	 * @return  {Boolean} true if node was killed, false if left alive
	 */


	const _sanitizeElements = function _sanitizeElements(currentNode) {
		let content;
		/* Execute a hook if present */

		_executeHook('beforeSanitizeElements', currentNode, null);
		/* Check if element is clobbered or can clobber */


		if (_isClobbered(currentNode)) {
			_forceRemove(currentNode);

			return true;
		}
		/* Now let's check the element's type and name */


		const tagName = transformCaseFunc(currentNode.nodeName);
		/* Execute a hook if present */

		_executeHook('uponSanitizeElement', currentNode, {
			tagName,
			allowedTags: ALLOWED_TAGS
		});
		/* Detect mXSS attempts abusing namespace confusion */


		if (currentNode.hasChildNodes() && !_isNode(currentNode.firstElementChild) && (!_isNode(currentNode.content) || !_isNode(currentNode.content.firstElementChild)) && regExpTest(/<[/\w]/g, currentNode.innerHTML) && regExpTest(/<[/\w]/g, currentNode.textContent)) {
			_forceRemove(currentNode);

			return true;
		}
		/* Remove element if anything forbids its presence */


		if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
			/* Check if we have a custom element to handle */
			if (!FORBID_TAGS[tagName] && _basicCustomElementTest(tagName)) {
				if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, tagName)) return false;
				if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(tagName)) return false;
			}
			/* Keep content except for bad-listed elements */


			if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {
				const parentNode = getParentNode(currentNode) || currentNode.parentNode;
				const childNodes = getChildNodes(currentNode) || currentNode.childNodes;

				if (childNodes && parentNode) {
					const childCount = childNodes.length;

					for (let i = childCount - 1; i >= 0; --i) {
						parentNode.insertBefore(cloneNode(childNodes[i], true), getNextSibling(currentNode));
					}
				}
			}

			_forceRemove(currentNode);

			return true;
		}
		/* Check whether element has a valid namespace */


		if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {
			_forceRemove(currentNode);

			return true;
		}
		/* Make sure that older browsers don't get fallback-tag mXSS */


		if ((tagName === 'noscript' || tagName === 'noembed' || tagName === 'noframes') && regExpTest(/<\/no(script|embed|frames)/i, currentNode.innerHTML)) {
			_forceRemove(currentNode);

			return true;
		}
		/* Sanitize element content to be template-safe */


		if (SAFE_FOR_TEMPLATES && currentNode.nodeType === 3) {
			/* Get the element's text content */
			content = currentNode.textContent;
			content = stringReplace(content, MUSTACHE_EXPR, ' ');
			content = stringReplace(content, ERB_EXPR, ' ');
			content = stringReplace(content, TMPLIT_EXPR, ' ');

			if (currentNode.textContent !== content) {
				arrayPush(DOMPurify.removed, {
					element: currentNode.cloneNode()
				});
				currentNode.textContent = content;
			}
		}
		/* Execute a hook if present */


		_executeHook('afterSanitizeElements', currentNode, null);

		return false;
	};
	/**
	 * _isValidAttribute
	 *
	 * @param  {string} lcTag Lowercase tag name of containing element.
	 * @param  {string} lcName Lowercase attribute name.
	 * @param  {string} value Attribute value.
	 * @return {Boolean} Returns true if `value` is valid, otherwise false.
	 */
	// eslint-disable-next-line complexity


	const _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {
		/* Make sure attribute cannot clobber */
		if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {
			return false;
		}
		/* Allow valid data-* attributes: At least one character after "-"
				(https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)
				XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)
				We don't need to check the value; it's always URI safe. */


		if (ALLOW_DATA_ATTR && !FORBID_ATTR[lcName] && regExpTest(DATA_ATTR, lcName)); else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR, lcName)); else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {
			if ( // First condition does a very basic check if a) it's basically a valid custom element tagname AND
				// b) if the tagName passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck
				// and c) if the attribute name passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.attributeNameCheck
				_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
				// the value passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck
				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 {
				return false;
			}
			/* Check value is safe. First, is attr inert? If so, is safe */

		} else if (URI_SAFE_ATTRIBUTES[lcName]); else if (regExpTest(IS_ALLOWED_URI$1, stringReplace(value, ATTR_WHITESPACE, ''))); 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, stringReplace(value, ATTR_WHITESPACE, ''))); else if (value) {
			return false;
		} else;

		return true;
	};
	/**
	 * _basicCustomElementCheck
	 * checks if at least one dash is included in tagName, and it's not the first char
	 * for more sophisticated checking see https://github.com/sindresorhus/validate-element-name
	 * @param {string} tagName name of the tag of the node to sanitize
	 */


	const _basicCustomElementTest = function _basicCustomElementTest(tagName) {
		return tagName.indexOf('-') > 0;
	};
	/**
	 * _sanitizeAttributes
	 *
	 * @protect attributes
	 * @protect nodeName
	 * @protect removeAttribute
	 * @protect setAttribute
	 *
	 * @param  {Node} currentNode to sanitize
	 */


	const _sanitizeAttributes = function _sanitizeAttributes(currentNode) {
		let attr;
		let value;
		let lcName;
		let l;
		/* Execute a hook if present */

		_executeHook('beforeSanitizeAttributes', currentNode, null);

		const {
			attributes
		} = currentNode;
		/* Check if we have attributes; if not we might have a text node */

		if (!attributes) {
			return;
		}

		const hookEvent = {
			attrName: '',
			attrValue: '',
			keepAttr: true,
			allowedAttributes: ALLOWED_ATTR
		};
		l = attributes.length;
		/* Go backwards over all attributes; safely remove bad ones */

		while (l--) {
			attr = attributes[l];
			const {
				name,
				namespaceURI
			} = attr;
			value = name === 'value' ? attr.value : stringTrim(attr.value);
			lcName = transformCaseFunc(name);
			/* Execute a hook if present */

			hookEvent.attrName = lcName;
			hookEvent.attrValue = value;
			hookEvent.keepAttr = true;
			hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set

			_executeHook('uponSanitizeAttribute', currentNode, hookEvent);

			value = hookEvent.attrValue;
			/* Did the hooks approve of the attribute? */

			if (hookEvent.forceKeepAttr) {
				continue;
			}
			/* Remove attribute */


			_removeAttribute(name, currentNode);
			/* Did the hooks approve of the attribute? */


			if (!hookEvent.keepAttr) {
				continue;
			}
			/* Work around a security issue in jQuery 3.0 */


			if (!ALLOW_SELF_CLOSE_IN_ATTR && regExpTest(/\/>/i, value)) {
				_removeAttribute(name, currentNode);

				continue;
			}
			/* Sanitize attribute content to be template-safe */


			if (SAFE_FOR_TEMPLATES) {
				value = stringReplace(value, MUSTACHE_EXPR, ' ');
				value = stringReplace(value, ERB_EXPR, ' ');
				value = stringReplace(value, TMPLIT_EXPR, ' ');
			}
			/* Is `value` valid for this attribute? */


			const lcTag = transformCaseFunc(currentNode.nodeName);

			if (!_isValidAttribute(lcTag, lcName, value)) {
				continue;
			}
			/* Full DOM Clobbering protection via namespace isolation,
			 * Prefix id and name attributes with `user-content-`
			 */


			if (SANITIZE_NAMED_PROPS && (lcName === 'id' || lcName === 'name')) {
				// Remove the attribute with this value
				_removeAttribute(name, currentNode); // Prefix the value and later re-create the attribute with the sanitized value


				value = SANITIZE_NAMED_PROPS_PREFIX + value;
			}
			/* Handle attributes that require Trusted Types */


			if (trustedTypesPolicy && typeof trustedTypes === 'object' && typeof trustedTypes.getAttributeType === 'function') {
				if (namespaceURI); else {
					switch (trustedTypes.getAttributeType(lcTag, lcName)) {
						case 'TrustedHTML':
							{
								value = trustedTypesPolicy.createHTML(value);
								break;
							}

						case 'TrustedScriptURL':
							{
								value = trustedTypesPolicy.createScriptURL(value);
								break;
							}
					}
				}
			}
			/* Handle invalid data-* attribute set by try-catching it */


			try {
				if (namespaceURI) {
					currentNode.setAttributeNS(namespaceURI, name, value);
				} else {
					/* Fallback to setAttribute() for browser-unrecognized namespaces e.g. "x-schema". */
					currentNode.setAttribute(name, value);
				}

				arrayPop(DOMPurify.removed);
			} catch (_) { }
		}
		/* Execute a hook if present */


		_executeHook('afterSanitizeAttributes', currentNode, null);
	};
	/**
	 * _sanitizeShadowDOM
	 *
	 * @param  {DocumentFragment} fragment to iterate over recursively
	 */


	const _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {
		let shadowNode;

		const shadowIterator = _createIterator(fragment);
		/* Execute a hook if present */


		_executeHook('beforeSanitizeShadowDOM', fragment, null);

		while (shadowNode = shadowIterator.nextNode()) {
			/* Execute a hook if present */
			_executeHook('uponSanitizeShadowNode', shadowNode, null);
			/* Sanitize tags and elements */


			if (_sanitizeElements(shadowNode)) {
				continue;
			}
			/* Deep shadow DOM detected */


			if (shadowNode.content instanceof DocumentFragment) {
				_sanitizeShadowDOM(shadowNode.content);
			}
			/* Check attributes, sanitize if necessary */


			_sanitizeAttributes(shadowNode);
		}
		/* Execute a hook if present */


		_executeHook('afterSanitizeShadowDOM', fragment, null);
	};
	/**
	 * Sanitize
	 * Public method providing core sanitation functionality
	 *
	 * @param {String|Node} dirty string or DOM node
	 * @param {Object} configuration object
	 */
	// eslint-disable-next-line complexity


	DOMPurify.sanitize = function (dirty) {
		let cfg = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
		let body;
		let importedNode;
		let currentNode;
		let returnNode;
		/* Make sure we have a string to sanitize.
			DO NOT return early, as this will return the wrong type if
			the user has requested a DOM object rather than a string */

		IS_EMPTY_INPUT = !dirty;

		if (IS_EMPTY_INPUT) {
			dirty = '<!-->';
		}
		/* Stringify, in case dirty is an object */


		if (typeof dirty !== 'string' && !_isNode(dirty)) {
			if (typeof dirty.toString === 'function') {
				dirty = dirty.toString();

				if (typeof dirty !== 'string') {
					throw typeErrorCreate('dirty is not a string, aborting');
				}
			} else {
				throw typeErrorCreate('toString is not a function');
			}
		}
		/* Return dirty HTML if DOMPurify cannot run */


		if (!DOMPurify.isSupported) {
			return dirty;
		}
		/* Assign config vars */


		if (!SET_CONFIG) {
			_parseConfig(cfg);
		}
		/* Clean up removed elements */


		DOMPurify.removed = [];
		/* Check if dirty is correctly typed for IN_PLACE */

		if (typeof dirty === 'string') {
			IN_PLACE = false;
		}

		if (IN_PLACE) {
			/* Do some early pre-sanitization to avoid unsafe root nodes */
			if (dirty.nodeName) {
				const tagName = transformCaseFunc(dirty.nodeName);

				if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
					throw typeErrorCreate('root node is forbidden and cannot be sanitized in-place');
				}
			}
		} else if (dirty instanceof Node) {
			/* If dirty is a DOM element, append to an empty document to avoid
				 elements being stripped by the parser */
			body = _initDocument('<!---->');
			importedNode = body.ownerDocument.importNode(dirty, true);

			if (importedNode.nodeType === 1 && importedNode.nodeName === 'BODY') {
				/* Node is already a body, use as is */
				body = importedNode;
			} else if (importedNode.nodeName === 'HTML') {
				body = importedNode;
			} else {
				// eslint-disable-next-line unicorn/prefer-dom-node-append
				body.appendChild(importedNode);
			}
		} else {
			/* Exit directly if we have nothing to do */
			if (!RETURN_DOM && !SAFE_FOR_TEMPLATES && !WHOLE_DOCUMENT && // eslint-disable-next-line unicorn/prefer-includes
				dirty.indexOf('<') === -1) {
				return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty;
			}
			/* Initialize the document to work on */


			body = _initDocument(dirty);
			/* Check we have a DOM node from the data */

			if (!body) {
				return RETURN_DOM ? null : RETURN_TRUSTED_TYPE ? emptyHTML : '';
			}
		}
		/* Remove first element node (ours) if FORCE_BODY is set */


		if (body && FORCE_BODY) {
			_forceRemove(body.firstChild);
		}
		/* Get node iterator */


		const nodeIterator = _createIterator(IN_PLACE ? dirty : body);
		/* Now start iterating over the created document */


		while (currentNode = nodeIterator.nextNode()) {
			/* Sanitize tags and elements */
			if (_sanitizeElements(currentNode)) {
				continue;
			}
			/* Shadow DOM detected, sanitize it */


			if (currentNode.content instanceof DocumentFragment) {
				_sanitizeShadowDOM(currentNode.content);
			}
			/* Check attributes, sanitize if necessary */


			_sanitizeAttributes(currentNode);
		}
		/* If we sanitized `dirty` in-place, return it. */


		if (IN_PLACE) {
			return dirty;
		}
		/* Return sanitized string or DOM */


		if (RETURN_DOM) {
			if (RETURN_DOM_FRAGMENT) {
				returnNode = createDocumentFragment.call(body.ownerDocument);

				while (body.firstChild) {
					// eslint-disable-next-line unicorn/prefer-dom-node-append
					returnNode.appendChild(body.firstChild);
				}
			} else {
				returnNode = body;
			}

			if (ALLOWED_ATTR.shadowroot || ALLOWED_ATTR.shadowrootmode) {
				/*
					AdoptNode() is not used because internal state is not reset
					(e.g. the past names map of a HTMLFormElement), this is safe
					in theory but we would rather not risk another attack vector.
					The state that is cloned by importNode() is explicitly defined
					by the specs.
				*/
				returnNode = importNode.call(originalDocument, returnNode, true);
			}

			return returnNode;
		}

		let serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;
		/* Serialize doctype if allowed */

		if (WHOLE_DOCUMENT && ALLOWED_TAGS['!doctype'] && body.ownerDocument && body.ownerDocument.doctype && body.ownerDocument.doctype.name && regExpTest(DOCTYPE_NAME, body.ownerDocument.doctype.name)) {
			serializedHTML = '<!DOCTYPE ' + body.ownerDocument.doctype.name + '>\n' + serializedHTML;
		}
		/* Sanitize final string template-safe */


		if (SAFE_FOR_TEMPLATES) {
			serializedHTML = stringReplace(serializedHTML, MUSTACHE_EXPR, ' ');
			serializedHTML = stringReplace(serializedHTML, ERB_EXPR, ' ');
			serializedHTML = stringReplace(serializedHTML, TMPLIT_EXPR, ' ');
		}

		return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML;
	};
	/**
	 * Public method to set the configuration once
	 * setConfig
	 *
	 * @param {Object} cfg configuration object
	 */


	DOMPurify.setConfig = function (cfg) {
		_parseConfig(cfg);

		SET_CONFIG = true;
	};
	/**
	 * Public method to remove the configuration
	 * clearConfig
	 *
	 */


	DOMPurify.clearConfig = function () {
		CONFIG = null;
		SET_CONFIG = false;
	};
	/**
	 * Public method to check if an attribute value is valid.
	 * Uses last set config, if any. Otherwise, uses config defaults.
	 * isValidAttribute
	 *
	 * @param  {string} tag Tag name of containing element.
	 * @param  {string} attr Attribute name.
	 * @param  {string} value Attribute value.
	 * @return {Boolean} Returns true if `value` is valid. Otherwise, returns false.
	 */


	DOMPurify.isValidAttribute = function (tag, attr, value) {
		/* Initialize shared config vars if necessary. */
		if (!CONFIG) {
			_parseConfig({});
		}

		const lcTag = transformCaseFunc(tag);
		const lcName = transformCaseFunc(attr);
		return _isValidAttribute(lcTag, lcName, value);
	};
	/**
	 * AddHook
	 * Public method to add DOMPurify hooks
	 *
	 * @param {String} entryPoint entry point for the hook to add
	 * @param {Function} hookFunction function to execute
	 */


	DOMPurify.addHook = function (entryPoint, hookFunction) {
		if (typeof hookFunction !== 'function') {
			return;
		}

		hooks[entryPoint] = hooks[entryPoint] || [];
		arrayPush(hooks[entryPoint], hookFunction);
	};
	/**
	 * RemoveHook
	 * Public method to remove a DOMPurify hook at a given entryPoint
	 * (pops it from the stack of hooks if more are present)
	 *
	 * @param {String} entryPoint entry point for the hook to remove
	 * @return {Function} removed(popped) hook
	 */


	DOMPurify.removeHook = function (entryPoint) {
		if (hooks[entryPoint]) {
			return arrayPop(hooks[entryPoint]);
		}
	};
	/**
	 * RemoveHooks
	 * Public method to remove all DOMPurify hooks at a given entryPoint
	 *
	 * @param  {String} entryPoint entry point for the hooks to remove
	 */


	DOMPurify.removeHooks = function (entryPoint) {
		if (hooks[entryPoint]) {
			hooks[entryPoint] = [];
		}
	};
	/**
	 * RemoveAllHooks
	 * Public method to remove all DOMPurify hooks
	 *
	 */


	DOMPurify.removeAllHooks = function () {
		hooks = {};
	};

	return DOMPurify;
}

var purify = createDOMPurify();

// ESM-comment-begin
define(function () { return purify; });
// ESM-comment-end

// ESM-uncomment-begin
// export default purify;
// export const version = purify.version;
// export const isSupported = purify.isSupported;
// export const sanitize = purify.sanitize;
// export const setConfig = purify.setConfig;
// export const clearConfig = purify.clearConfig;
// export const isValidAttribute = purify.isValidAttribute;
// export const addHook = purify.addHook;
// export const removeHook = purify.removeHook;
// export const removeHooks = purify.removeHooks;
// export const removeAllHooks = purify.removeAllHooks;
// ESM-uncomment-end
