diff src/sceditor.js @ 22:499f38b5eeff

remove DOMPurify
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 08 Aug 2022 23:41:05 -0600
parents 2edd68951454
children c2a85b2ec677
line wrap: on
line diff
--- a/src/sceditor.js	Mon Aug 08 20:03:27 2022 -0600
+++ b/src/sceditor.js	Mon Aug 08 23:41:05 2022 -0600
@@ -3137,7 +3137,7 @@
 	 * @class RangeHelper
 	 * @name RangeHelper
 	 */
-	function RangeHelper(win, d, sanitize) {
+	function RangeHelper(win, d) {
 		var	_createMarker, _prepareInput,
 			doc          = d || win.contentDocument || win.document,
 			startMarker  = 'sceditor-start-marker',
@@ -3173,7 +3173,7 @@
 
 			div           = createElement('p', {}, doc);
 			node          = doc.createDocumentFragment();
-			div.innerHTML = sanitize(html);
+			div.innerHTML = html;
 
 			while (div.firstChild) {
 				appendChild(node, div.firstChild);
@@ -4097,1313 +4097,6 @@
 		}(root));
 	}
 
-	/*! @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 */
-
-	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); } }
-
-	var hasOwnProperty = Object.hasOwnProperty,
-		setPrototypeOf = Object.setPrototypeOf,
-		isFrozen = Object.isFrozen,
-		getPrototypeOf = Object.getPrototypeOf,
-		getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
-	var freeze = Object.freeze,
-		seal = Object.seal,
-		create = Object.create; // eslint-disable-line import/no-mutable-exports
-
-	var _ref = typeof Reflect !== 'undefined' && Reflect,
-		apply = _ref.apply,
-		construct = _ref.construct;
-
-	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 (Function.prototype.bind.apply(Func, [null].concat(_toConsumableArray(args))))();
-	  };
-	}
-
-	var typeErrorCreate = unconstruct(TypeError);
-
-	function unapply(func) {
-	  return function (thisArg) {
-		for (var _len = arguments.length, args = 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 = 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) {
-	  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);
-	  }
-
-	  var l = array.length;
-	  while (l--) {
-		var element = array[l];
-		if (typeof element === 'string') {
-		  var lcElement = element.toLowerCase();
-		  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) {
-	  var newObject = create(null);
-
-	  var property = void 0;
-	  for (property in object) {
-		if (apply(hasOwnProperty, object, [property])) {
-		  newObject[property] = object[property];
-		}
-	  }
-
-	  return newObject;
-	}
-
-	/* IE10 doesn't support __lookupGetter__ so lets'
-	 * simulate it. It also automatically checks
-	 * if the prop is function or getter and behaves
-	 * accordingly. */
-	function lookupGetter(object, prop) {
-	  while (object !== null) {
-		var 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);
-	  }
-
-	  return null;
-	}
-
-	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', '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
-	var svg = 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']);
-
-	var svgFilters = freeze(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', '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.
-	var svgDisallowed = freeze(['animate', 'color-profile', 'cursor', 'discard', 'fedropshadow', 'feimage', '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']);
-
-	var mathMl = freeze(['math', 'menclose', 'merror', 'mfenced', 'mfrac', 'mglyph', 'mi', 'mlabeledtr', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mroot', 'mrow', 'ms', 'mspace', 'msqrt', 'mstyle', 'msub', 'msup', 'msubsup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover']);
-
-	// Similarly to SVG, we want to know all MathML elements,
-	// even those that we disallow by default.
-	var mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);
-
-	var text = freeze(['#text']);
-
-	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']);
-
-	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']);
-
-	var mathMl$1 = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']);
-
-	var xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);
-
-	// eslint-disable-next-line unicorn/better-regex
-	var MUSTACHE_EXPR = seal(/\{\{[\s\S]*|[\s\S]*\}\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode
-	var ERB_EXPR = seal(/<%[\s\S]*|[\s\S]*%>/gm);
-	var DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]/); // eslint-disable-line no-useless-escape
-	var ARIA_ATTR = seal(/^aria-[\-\w]+$/); // eslint-disable-line no-useless-escape
-	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
-	);
-	var IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i);
-	var ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205F\u3000]/g // eslint-disable-line no-control-regex
-	);
-
-	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; };
-
-	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); } }
-
-	var getGlobal = function getGlobal() {
-	  return 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 {Document} document The document object (to determine policy name suffix)
-	 * @return {?TrustedTypePolicy} The policy created (or null, if Trusted Types
-	 * are not supported).
-	 */
-	var _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, document) {
-	  if ((typeof trustedTypes === 'undefined' ? 'undefined' : _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.
-	  var suffix = null;
-	  var ATTR_NAME = 'data-tt-policy-suffix';
-	  if (document.currentScript && document.currentScript.hasAttribute(ATTR_NAME)) {
-		suffix = document.currentScript.getAttribute(ATTR_NAME);
-	  }
-
-	  var policyName = 'dompurify' + (suffix ? '#' + suffix : '');
-
-	  try {
-		return trustedTypes.createPolicy(policyName, {
-		  createHTML: function createHTML(html$$1) {
-			return html$$1;
-		  }
-		});
-	  } 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() {
-	  var window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();
-
-	  var DOMPurify = function DOMPurify(root) {
-		return createDOMPurify(root);
-	  };
-
-	  /**
-	   * Version label, exposed for easier checks
-	   * if DOMPurify is up to date or not
-	   */
-	  DOMPurify.version = '2.2.6';
-
-	  /**
-	   * 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;
-	  }
-
-	  var originalDocument = window.document;
-
-	  var document = window.document;
-	  var DocumentFragment = window.DocumentFragment,
-		  HTMLTemplateElement = window.HTMLTemplateElement,
-		  Node = window.Node,
-		  Element = window.Element,
-		  NodeFilter = window.NodeFilter,
-		  _window$NamedNodeMap = window.NamedNodeMap,
-		  NamedNodeMap = _window$NamedNodeMap === undefined ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap,
-		  Text = window.Text,
-		  Comment = window.Comment,
-		  DOMParser = window.DOMParser,
-		  trustedTypes = window.trustedTypes;
-
-
-		var ElementPrototype = Element.prototype;
-
-		var cloneNode = lookupGetter(ElementPrototype, 'cloneNode');
-		var getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');
-		var getChildNodes = lookupGetter(ElementPrototype, 'childNodes');
-		var 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') {
-		var template = document.createElement('template');
-		if (template.content && template.content.ownerDocument) {
-		  document = template.content.ownerDocument;
-		}
-	  }
-
-	  var trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, originalDocument);
-	  var emptyHTML = trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML('') : '';
-
-		var implementation = document.implementation;
-		//var importNode = originalDocument.importNode;
-
-
-	  var documentMode = {};
-	  try {
-		documentMode = clone(document).documentMode ? document.documentMode : {};
-	  } catch (_) {}
-
-	  var hooks = {};
-
-	  /**
-	   * Expose whether this browser supports running the full DOMPurify.
-	   */
-	  DOMPurify.isSupported = implementation && typeof implementation.createHTMLDocument !== 'undefined' && documentMode !== 9;
-
-	  var MUSTACHE_EXPR$$1 = MUSTACHE_EXPR,
-		  ERB_EXPR$$1 = ERB_EXPR,
-		  DATA_ATTR$$1 = DATA_ATTR,
-		  ARIA_ATTR$$1 = ARIA_ATTR,
-		  IS_SCRIPT_OR_DATA$$1 = IS_SCRIPT_OR_DATA,
-		  ATTR_WHITESPACE$$1 = ATTR_WHITESPACE;
-	  var IS_ALLOWED_URI$$1 = IS_ALLOWED_URI;
-
-	  /**
-	   * 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 */
-
-	  var ALLOWED_TAGS = null;
-	  var DEFAULT_ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(html), _toConsumableArray$1(svg), _toConsumableArray$1(svgFilters), _toConsumableArray$1(mathMl), _toConsumableArray$1(text)));
-
-	  /* Allowed attribute names */
-	  var ALLOWED_ATTR = null;
-	  var DEFAULT_ALLOWED_ATTR = addToSet({}, [].concat(_toConsumableArray$1(html$1), _toConsumableArray$1(svg$1), _toConsumableArray$1(mathMl$1), _toConsumableArray$1(xml)));
-
-	  /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */
-	  var FORBID_TAGS = null;
-
-	  /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */
-	  var FORBID_ATTR = null;
-
-	  /* Decide if ARIA attributes are okay */
-	  var ALLOW_ARIA_ATTR = true;
-
-	  /* Decide if custom data attributes are okay */
-	  var ALLOW_DATA_ATTR = true;
-
-	  /* Decide if unknown protocols are okay */
-	  var ALLOW_UNKNOWN_PROTOCOLS = false;
-
-	  /* Output should be safe for common template engines.
-	   * This means, DOMPurify removes data attributes, mustaches and ERB
-	   */
-	  var SAFE_FOR_TEMPLATES = false;
-
-	  /* Decide if document with <html>... should be returned */
-	  var WHOLE_DOCUMENT = false;
-
-	  /* Track whether config is already set on this instance of DOMPurify. */
-	  var 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 */
-	  var 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
-	   */
-	  var 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) */
-	  var RETURN_DOM_FRAGMENT = false;
-
-	  /* If `RETURN_DOM` or `RETURN_DOM_FRAGMENT` is enabled, decide if the returned DOM
-	   * `Node` is imported into the current `Document`. If this flag is not enabled the
-	   * `Node` will belong (its ownerDocument) to a fresh `HTMLDocument`, created by
-	   * DOMPurify.
-	   *
-	   * This defaults to `true` starting DOMPurify 2.2.0. Note that setting it to `false`
-	   * might cause XSS from attacks hidden in closed shadowroots in case the browser
-	   * supports Declarative Shadow: DOM https://web.dev/declarative-shadow-dom/
-	   */
-	  var RETURN_DOM_IMPORT = true;
-
-	  /* Try to return a Trusted Type object instead of a string, return a string in
-	   * case Trusted Types are not supported  */
-	  var RETURN_TRUSTED_TYPE = false;
-
-	  /* Output should be free from DOM clobbering attacks? */
-	  var SANITIZE_DOM = true;
-
-	  /* Keep element content when removing element? */
-	  var 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 */
-	  var IN_PLACE = false;
-
-	  /* Allow usage of profiles like html, svg and mathMl */
-	  var USE_PROFILES = {};
-
-	  /* Tags to ignore content of when KEEP_CONTENT is true */
-	  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']);
-
-	  /* Tags that are safe for data: URIs */
-	  var DATA_URI_TAGS = null;
-	  var DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);
-
-	  /* Attributes safe for values like "javascript:" */
-	  var URI_SAFE_ATTRIBUTES = null;
-	  var DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'summary', 'title', 'value', 'style', 'xmlns']);
-
-	  /* Keep a reference to config to pass to hooks */
-	  var CONFIG = null;
-
-	  /* Ideally, do not touch anything below this line */
-	  /* ______________________________________________ */
-
-	  var formElement = document.createElement('form');
-
-	  /**
-	   * _parseConfig
-	   *
-	   * @param  {Object} cfg optional config literal
-	   */
-	  // eslint-disable-next-line complexity
-	  var _parseConfig = function _parseConfig(cfg) {
-		if (CONFIG && CONFIG === cfg) {
-		  return;
-		}
-
-		/* Shield configuration object from tampering */
-		if (!cfg || (typeof cfg === 'undefined' ? 'undefined' : _typeof(cfg)) !== 'object') {
-		  cfg = {};
-		}
-
-		/* Shield configuration object from prototype pollution */
-		cfg = clone(cfg);
-
-		/* Set configuration parameters */
-		ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS) : DEFAULT_ALLOWED_TAGS;
-		ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR) : DEFAULT_ALLOWED_ATTR;
-		URI_SAFE_ATTRIBUTES = 'ADD_URI_SAFE_ATTR' in cfg ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), cfg.ADD_URI_SAFE_ATTR) : DEFAULT_URI_SAFE_ATTRIBUTES;
-		DATA_URI_TAGS = 'ADD_DATA_URI_TAGS' in cfg ? addToSet(clone(DEFAULT_DATA_URI_TAGS), cfg.ADD_DATA_URI_TAGS) : DEFAULT_DATA_URI_TAGS;
-		FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS) : {};
-		FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR) : {};
-		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
-		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_DOM_IMPORT = cfg.RETURN_DOM_IMPORT !== false; // Default true
-		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
-		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$$1;
-		if (SAFE_FOR_TEMPLATES) {
-		  ALLOW_DATA_ATTR = false;
-		}
-
-		if (RETURN_DOM_FRAGMENT) {
-		  RETURN_DOM = true;
-		}
-
-		/* Parse profile info */
-		if (USE_PROFILES) {
-		  ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(text)));
-		  ALLOWED_ATTR = [];
-		  if (USE_PROFILES.html === true) {
-			addToSet(ALLOWED_TAGS, html);
-			addToSet(ALLOWED_ATTR, html$1);
-		  }
-
-		  if (USE_PROFILES.svg === true) {
-			addToSet(ALLOWED_TAGS, svg);
-			addToSet(ALLOWED_ATTR, svg$1);
-			addToSet(ALLOWED_ATTR, xml);
-		  }
-
-		  if (USE_PROFILES.svgFilters === true) {
-			addToSet(ALLOWED_TAGS, svgFilters);
-			addToSet(ALLOWED_ATTR, svg$1);
-			addToSet(ALLOWED_ATTR, xml);
-		  }
-
-		  if (USE_PROFILES.mathMl === true) {
-			addToSet(ALLOWED_TAGS, mathMl);
-			addToSet(ALLOWED_ATTR, mathMl$1);
-			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);
-		}
-
-		if (cfg.ADD_ATTR) {
-		  if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {
-			ALLOWED_ATTR = clone(ALLOWED_ATTR);
-		  }
-
-		  addToSet(ALLOWED_ATTR, cfg.ADD_ATTR);
-		}
-
-		if (cfg.ADD_URI_SAFE_ATTR) {
-		  addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR);
-		}
-
-		/* 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;
-		}
-
-		// Prevent further manipulation of configuration.
-		// Not available in IE8, Safari 5, etc.
-		if (freeze) {
-		  freeze(cfg);
-		}
-
-		CONFIG = cfg;
-	  };
-
-	  var MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, ['mi', 'mo', 'mn', 'ms', 'mtext']);
-
-	  var HTML_INTEGRATION_POINTS = addToSet({}, ['foreignobject', 'desc', 'title', 'annotation-xml']);
-
-	  /* Keep track of all possible SVG and MathML tags
-	   * so that we can perform the namespace checks
-	   * correctly. */
-	  var ALL_SVG_TAGS = addToSet({}, svg);
-	  addToSet(ALL_SVG_TAGS, svgFilters);
-	  addToSet(ALL_SVG_TAGS, svgDisallowed);
-
-	  var ALL_MATHML_TAGS = addToSet({}, mathMl);
-	  addToSet(ALL_MATHML_TAGS, mathMlDisallowed);
-
-	  var MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
-	  var SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
-	  var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
-
-	  /**
-	   *
-	   *
-	   * @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.
-	   */
-	  var _checkValidNamespace = function _checkValidNamespace(element) {
-		var 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: HTML_NAMESPACE,
-			tagName: 'template'
-		  };
-		}
-
-		var tagName = element.tagName.toLowerCase();
-		var parentTagName = parent.tagName.toLowerCase();
-
-		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;
-		  }
-
-		  // Certain elements are allowed in both SVG and HTML
-		  // namespace. We need to specify them explicitly
-		  // so that they don't get erronously deleted from
-		  // HTML namespace.
-		  var commonSvgAndHTMLElements = addToSet({}, ['title', 'style', 'font', 'a', 'script']);
-
-		  // We disallow tags that are specific for MathML
-		  // or SVG and should never appear in HTML namespace
-		  return !ALL_MATHML_TAGS[tagName] && (commonSvgAndHTMLElements[tagName] || !ALL_SVG_TAGS[tagName]);
-		}
-
-		// The code should never reach this place (this means
-		// that the element somehow got namespace that is not
-		// HTML, SVG or MathML). Return false just in case.
-		return false;
-	  };
-
-	  /**
-	   * _forceRemove
-	   *
-	   * @param  {Node} node a DOM node
-	   */
-	  var _forceRemove = function _forceRemove(node) {
-		DOMPurify.removed.push({ element: node });
-		try {
-		  node.parentNode.removeChild(node);
-		} catch (_) {
-		  try {
-			node.outerHTML = emptyHTML;
-		  } catch (_) {
-			node.remove();
-		  }
-		}
-	  };
-
-	  /**
-	   * _removeAttribute
-	   *
-	   * @param  {String} name an Attribute name
-	   * @param  {Node} node a DOM node
-	   */
-	  var _removeAttribute = function _removeAttribute(name, node) {
-		try {
-		  DOMPurify.removed.push({
-			attribute: node.getAttributeNode(name),
-			from: node
-		  });
-		} catch (_) {
-		  DOMPurify.removed.push({
-			attribute: null,
-			from: node
-		  });
-		}
-
-		node.removeAttribute(name);
-	  };
-
-	  /**
-	   * _initDocument
-	   *
-	   * @param  {String} dirty a string of dirty markup
-	   * @return {Document} a DOM, filled with the dirty markup
-	   */
-	  var _initDocument = function _initDocument(dirty) {
-		/* Create a HTML document */
-		var doc = void 0;
-		var leadingWhitespace = void 0;
-
-		if (FORCE_BODY) {
-		  dirty = '<remove></remove>' + dirty;
-		} else {
-		  /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */
-		  var matches = dirty.match(/^[\r\n\t ]+/);
-		  leadingWhitespace = matches && matches[0];
-		}
-
-		var dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty;
-		/* Use the DOMParser API by default, fallback later if needs be */
-		try {
-		  doc = new DOMParser().parseFromString(dirtyPayload, 'text/html');
-		} catch (_) {}
-
-		/* Use createHTMLDocument in case DOMParser is not available */
-		if (!doc || !doc.documentElement) {
-		  doc = implementation.createHTMLDocument('');
-		  var _doc = doc,
-			  body = _doc.body;
-
-		  body.parentNode.removeChild(body.parentNode.firstElementChild);
-		  body.outerHTML = dirtyPayload;
-		}
-
-		if (dirty && leadingWhitespace) {
-		  doc.body.insertBefore(document.createTextNode(leadingWhitespace), doc.body.childNodes[0] || null);
-		}
-
-		/* Work on whole document or just its body */
-		return doc.getElementsByTagName(WHOLE_DOCUMENT ? 'html' : 'body')[0];
-	  };
-
-	  /**
-	   * _createIterator
-	   *
-	   * @param  {Document} root document/fragment to create iterator for
-	   * @return {Iterator} iterator instance
-	   */
-	  var _createIterator = function _createIterator(root) {
-		let whatToShow = NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT;
-		let filter = function () {
-			return NodeFilter.FILTER_ACCEPT;
-		};
-		if(root.ownerDocument) {
-			return root.ownerDocument.createNodeIterator(root,whatToShow,filter,false);
-		} else {
-			return root.createNodeIterator(root,whatToShow,filter,false);
-		}
-	  };
-
-	  /**
-	   * _isClobbered
-	   *
-	   * @param  {Node} elm element to check for clobbering attacks
-	   * @return {Boolean} true if clobbered, false if safe
-	   */
-	  var _isClobbered = function _isClobbered(elm) {
-		if (elm instanceof Text || elm instanceof Comment) {
-		  return false;
-		}
-
-		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') {
-		  return true;
-		}
-
-		return false;
-	  };
-
-	  /**
-	   * _isNode
-	   *
-	   * @param  {Node} obj object to check whether it's a DOM node
-	   * @return {Boolean} true is object is a DOM node
-	   */
-	  var _isNode = function _isNode(object) {
-		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';
-	  };
-
-	  /**
-	   * _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
-	   */
-	  var _executeHook = function _executeHook(entryPoint, currentNode, data) {
-		if (!hooks[entryPoint]) {
-		  return;
-		}
-
-		hooks[entryPoint].forEach(function (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
-	   */
-	  var _sanitizeElements = function _sanitizeElements(currentNode) {
-		var content = void 0;
-
-		/* Execute a hook if present */
-		_executeHook('beforeSanitizeElements', currentNode, null);
-
-		/* Check if element is clobbered or can clobber */
-		if (_isClobbered(currentNode)) {
-		  _forceRemove(currentNode);
-		  return true;
-		}
-
-		/* Check if tagname contains Unicode */
-		if (currentNode.nodeName.match(/[\u0080-\uFFFF]/)) {
-		  _forceRemove(currentNode);
-		  return true;
-		}
-
-		/* Now let's check the element's type and name */
-		var tagName = currentNode.nodeName.toLowerCase();
-
-		/* Execute a hook if present */
-		_executeHook('uponSanitizeElement', currentNode, {
-		  tagName: tagName,
-		  allowedTags: ALLOWED_TAGS
-		});
-
-		/* Detect mXSS attempts abusing namespace confusion */
-		if (!_isNode(currentNode.firstElementChild) && (!_isNode(currentNode.content) || !_isNode(currentNode.content.firstElementChild)) && /<[/\w]/g.test(currentNode.innerHTML) && /<[/\w]/g.text(currentNode.textContent)) {
-		  _forceRemove(currentNode);
-		  return true;
-		}
-
-		/* Remove element if anything forbids its presence */
-		if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
-		  /* Keep content except for bad-listed elements */
-		  if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {
-			var parentNode = getParentNode(currentNode);
-			var childNodes = getChildNodes(currentNode);
-			var childCount = childNodes.length;
-			for (var 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;
-		}
-
-		if ((tagName === 'noscript' || tagName === 'noembed') && /<\/no(script|embed)/i.test(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 = content.replace(MUSTACHE_EXPR$$1, ' ');
-		  content = content.replace(ERB_EXPR$$1, ' ');
-		  if (currentNode.textContent !== content) {
-			DOMPurify.removed.push({ element: currentNode.cloneNode() });
-			currentNode.textContent = content;
-		  }
-		}
-
-		/* Execute a hook if present */
-		_executeHook('afterSanitizeElements', currentNode, null);
-
-		return false;
-	  };
-
-	  /**
-	   * _isValidAttribute
-	   *
-	   * @param  {string} lcTag Lowercase tag name of containing element.
-	   * @param  {string} lcName Lowercase attribute name.
-	   * @param  {string} value Attribute value.
-	   * @return {Boolean} Returns true if `value` is valid, otherwise false.
-	   */
-	  // eslint-disable-next-line complexity
-	  var _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {
-		/* Make sure attribute cannot clobber */
-		if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {
-		  return false;
-		}
-
-		/* Allow valid data-* attributes: At least one character after "-"
-			(https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)
-			XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)
-			We don't need to check the value; it's always URI safe. */
-		if (ALLOW_DATA_ATTR && DATA_ATTR$$1.test(lcName)) ; else if (ALLOW_ARIA_ATTR && ARIA_ATTR$$1.test(lcName)) ; else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {
-		  return false;
-
-		  /* Check value is safe. First, is attr inert? If so, is safe */
-		} else if (URI_SAFE_ATTRIBUTES[lcName]) ; else if (IS_ALLOWED_URI$$1.test(value.replace(ATTR_WHITESPACE$$1, ''))) ; else if ((lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') && lcTag !== 'script' && value.indexOf('data:') === 0 && DATA_URI_TAGS[lcTag]) ; else if (ALLOW_UNKNOWN_PROTOCOLS && !IS_SCRIPT_OR_DATA$$1.test(value.replace(ATTR_WHITESPACE$$1, ''))) ; else if (!value) ; else {
-		  return false;
-		}
-
-		return true;
-	  };
-
-	  /**
-	   * _sanitizeAttributes
-	   *
-	   * @protect attributes
-	   * @protect nodeName
-	   * @protect removeAttribute
-	   * @protect setAttribute
-	   *
-	   * @param  {Node} currentNode to sanitize
-	   */
-	  var _sanitizeAttributes = function _sanitizeAttributes(currentNode) {
-		var attr = void 0;
-		var value = void 0;
-		var lcName = void 0;
-		var l = void 0;
-		/* Execute a hook if present */
-		_executeHook('beforeSanitizeAttributes', currentNode, null);
-
-		var attributes = currentNode.attributes;
-
-		/* Check if we have attributes; if not we might have a text node */
-
-		if (!attributes) {
-		  return;
-		}
-
-		var 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];
-		  var _attr = attr,
-			  name = _attr.name,
-			  namespaceURI = _attr.namespaceURI;
-
-		  value = attr.value.trim();
-		  lcName = name.toLowerCase(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 (/\/>/i.test(value)) {
-			_removeAttribute(name, currentNode);
-			continue;
-		  }
-
-		  /* Sanitize attribute content to be template-safe */
-		  if (SAFE_FOR_TEMPLATES) {
-			value = value.replace(MUSTACHE_EXPR$$1, ' ');
-			value = value.replace(ERB_EXPR$$1, ' ');
-		  }
-
-		  /* Is `value` valid for this attribute? */
-		  var lcTag = currentNode.nodeName.toLowerCase();
-		  if (!_isValidAttribute(lcTag, lcName, value)) {
-			continue;
-		  }
-
-		  /* 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);
-			}
-
-			DOMPurify.removed.pop();
-		  } catch (_) {}
-		}
-
-		/* Execute a hook if present */
-		_executeHook('afterSanitizeAttributes', currentNode, null);
-	  };
-
-	  /**
-	   * _sanitizeShadowDOM
-	   *
-	   * @param  {DocumentFragment} fragment to iterate over recursively
-	   */
-	  var _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {
-		var shadowNode = void 0;
-		var 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, cfg) {
-		var body = void 0;
-		var importedNode = void 0;
-		var currentNode = void 0;
-		var oldNode = void 0;
-		var returnNode = void 0;
-		/* 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 */
-		if (!dirty) {
-		  dirty = '<!-->';
-		}
-
-		/* Stringify, in case dirty is an object */
-		if (typeof dirty !== 'string' && !_isNode(dirty)) {
-		  // eslint-disable-next-line no-negated-condition
-		  if (typeof dirty.toString !== 'function') {
-			throw typeErrorCreate('toString is not a function');
-		  } else {
-			dirty = dirty.toString();
-			if (typeof dirty !== 'string') {
-			  throw typeErrorCreate('dirty is not a string, aborting');
-			}
-		  }
-		}
-
-		/* Check we can run. Otherwise fall back or ignore */
-		if (!DOMPurify.isSupported) {
-		  if (_typeof(window.toStaticHTML) === 'object' || typeof window.toStaticHTML === 'function') {
-			if (typeof dirty === 'string') {
-			  return window.toStaticHTML(dirty);
-			}
-
-			if (_isNode(dirty)) {
-			  return window.toStaticHTML(dirty.outerHTML);
-			}
-		  }
-
-		  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) ; 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-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 : emptyHTML;
-		  }
-		}
-
-		/* Remove first element node (ours) if FORCE_BODY is set */
-		if (body && FORCE_BODY) {
-		  _forceRemove(body.firstChild);
-		}
-
-		/* Get node iterator */
-		var nodeIterator = _createIterator(IN_PLACE ? dirty : body);
-
-		/* Now start iterating over the created document */
-		while (currentNode = nodeIterator.nextNode()) {
-		  /* Fix IE's strange behavior with manipulated textNodes #89 */
-		  if (currentNode.nodeType === 3 && currentNode === oldNode) {
-			continue;
-		  }
-
-		  /* 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);
-
-		  oldNode = currentNode;
-		}
-
-		oldNode = null;
-
-		/* 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);
-			// untested
-			returnNode = body.ownerDocument.createDocumentFragment();
-
-			while (body.firstChild) {
-			  // eslint-disable-next-line unicorn/prefer-node-append
-			  returnNode.appendChild(body.firstChild);
-			}
-		  } else {
-			returnNode = body;
-		  }
-
-		  if (RETURN_DOM_IMPORT) {
-			/*
-			  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);
-			// untested
-			returnNode = originalDocument.importNode(returnNode, true);
-		  }
-
-		  return returnNode;
-		}
-
-		var serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;
-
-		/* Sanitize final string template-safe */
-		if (SAFE_FOR_TEMPLATES) {
-		  serializedHTML = serializedHTML.replace(MUSTACHE_EXPR$$1, ' ');
-		  serializedHTML = serializedHTML.replace(ERB_EXPR$$1, ' ');
-		}
-
-		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({});
-		}
-
-		var lcTag = tag.toLowerCase();
-		var lcName = attr.toLowerCase();
-		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] || [];
-		hooks[entryPoint].push(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
-	   */
-	  DOMPurify.removeHook = function (entryPoint) {
-		if (hooks[entryPoint]) {
-		  hooks[entryPoint].pop();
-		}
-	  };
-
-	  /**
-	   * 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();
 
 	var globalWin  = window;
 	var globalDoc  = document;
@@ -5774,60 +4467,6 @@
 		}
 		options.allowedIframeUrls.push('https://www.youtube-nocookie.com/embed/');
 
-		// Create new instance of DOMPurify for each editor instance so can
-		// have different allowed iframe URLs
-		// eslint-disable-next-line new-cap
-		var domPurify = purify();
-
-		// Allow iframes for things like YouTube, see:
-		// https://github.com/cure53/DOMPurify/issues/340#issuecomment-670758980
-		domPurify.addHook('uponSanitizeElement', function (node, data) {
-			var allowedUrls = options.allowedIframeUrls;
-
-			if (data.tagName === 'iframe') {
-				var src = attr(node, 'src') || '';
-
-				for (var i = 0; i < allowedUrls.length; i++) {
-					var url = allowedUrls[i];
-
-					if (isString(url) && src.substr(0, url.length) === url) {
-						return;
-					}
-
-					// Handle regex
-					if (url.test && url.test(src)) {
-						return;
-					}
-				}
-
-				// No match so remove
-				remove(node);
-			}
-		});
-
-		// Convert target attribute into data-sce-target attributes so XHTML format
-		// can allow them
-		domPurify.addHook('afterSanitizeAttributes', function (node) {
-			if ('target' in node) {
-				attr(node, 'data-sce-target', attr(node, 'target'));
-			}
-
-			removeAttr(node, 'target');
-		});
-
-		/**
-		 * Sanitize HTML to avoid XSS
-		 *
-		 * @param {string} html
-		 * @return {string} html
-		 * @private
-		 */
-		function sanitize(html) {
-			return domPurify.sanitize(html, {
-				ADD_TAGS: ['iframe'],
-				ADD_ATTR: ['allowfullscreen', 'frameborder', 'target']
-			});
-		}
 		/**
 		 * Creates the editor iframe and textarea
 		 * @private
@@ -5992,7 +4631,7 @@
 			attr(sourceEditor, 'tabindex', tabIndex);
 			attr(wysiwygEditor, 'tabindex', tabIndex);
 
-			rangeHelper = new RangeHelper(wysiwygWindow, null, sanitize);
+			rangeHelper = new RangeHelper(wysiwygWindow, null);
 
 			// load any textarea value into the editor
 			hide(original);
@@ -6980,7 +5619,7 @@
 				}
 				// Call plugins here with file?
 				data.text = data['text/plain'];
-				data.html = sanitize(data['text/html']);
+				data.html = data['text/html'];
 
 				handlePasteData(data);
 			// If contentsFragment exists then we are already waiting for a
@@ -7007,7 +5646,7 @@
 
 					rangeHelper.restoreRange();
 
-					handlePasteData({ html: sanitize(html) });
+					handlePasteData({ html: html });
 				}, 0);
 			}
 		};
@@ -7025,7 +5664,7 @@
 
 			if (data.html) {
 				// Sanitize again in case plugins modified the HTML
-				pasteArea.innerHTML = sanitize(data.html);
+				pasteArea.innerHTML = data.html;
 
 				// fix any invalid nesting
 				fixNesting(pasteArea);
@@ -7509,7 +6148,7 @@
 				value = '<p><br /></p>';
 			}
 
-			wysiwygBody.innerHTML = sanitize(value);
+			wysiwygBody.innerHTML = value;
 			replaceEmoticons();
 
 			appendNewLine();