text: /*! @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 (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = global || self, global.DOMPurify = factory());
  }(this, function () { 'use strict';
  
    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;
    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 arrayForEach = unapply(Array.prototype.forEach);
    var arrayPop = unapply(Array.prototype.pop);
    var arrayPush = unapply(Array.prototype.push);
  
    var stringToLowerCase = unapply(String.prototype.toLowerCase);
    var stringMatch = unapply(String.prototype.match);
    var stringReplace = unapply(String.prototype.replace);
    var stringIndexOf = unapply(String.prototype.indexOf);
    var stringTrim = unapply(String.prototype.trim);
  
    var regExpTest = unapply(RegExp.prototype.test);
  
    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 = stringToLowerCase(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) {
      var newObject = create(null);
  
      var property = void 0;
      for (property in object) {
        if (apply(hasOwnProperty, object, [property])) {
          newObject[property] = object[property];
        }
      }
  
      return newObject;
    }
  
    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', 'audio', 'canvas', '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', 'video', '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']);
  
    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']);
  
    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 = '2.2.4';
  
      /**
       * 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,
          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;
  
      // 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 _document = document,
          implementation = _document.implementation,
          createNodeIterator = _document.createNodeIterator,
          getElementsByTagName = _document.getElementsByTagName,
          createDocumentFragment = _document.createDocumentFragment;
      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', '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;
      };
  
      /**
       * _forceRemove
       *
       * @param  {Node} node a DOM node
       */
      var _forceRemove = function _forceRemove(node) {
        arrayPush(DOMPurify.removed, { 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 {
          arrayPush(DOMPurify.removed, {
            attribute: node.getAttributeNode(name),
            from: node
          });
        } catch (_) {
          arrayPush(DOMPurify.removed, {
            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 = stringMatch(dirty, /^[\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 getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];
      };
  
      /**
       * _createIterator
       *
       * @param  {Document} root document/fragment to create iterator for
       * @return {Iterator} iterator instance
       */
      var _createIterator = function _createIterator(root) {
        return createNodeIterator.call(root.ownerDocument || root, root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, function () {
          return NodeFilter.FILTER_ACCEPT;
        }, 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') {
          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;
        }
  
        arrayForEach(hooks[entryPoint], 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 (stringMatch(currentNode.nodeName, /[\u0080-\uFFFF]/)) {
          _forceRemove(currentNode);
          return true;
        }
  
        /* Now let's check the element's type and name */
        var tagName = stringToLowerCase(currentNode.nodeName);
  
        /* 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)) && 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]) {
          /* Keep content except for bad-listed elements */
          if (KEEP_CONTENT && !FORBID_CONTENTS[tagName] && typeof currentNode.insertAdjacentHTML === 'function') {
            try {
              var htmlToInsert = currentNode.innerHTML;
              currentNode.insertAdjacentHTML('AfterEnd', trustedTypesPolicy ? trustedTypesPolicy.createHTML(htmlToInsert) : htmlToInsert);
            } catch (_) {}
          }
  
          _forceRemove(currentNode);
          return true;
        }
  
        if ((tagName === 'noscript' || tagName === 'noembed') && regExpTest(/<\/no(script|embed)/i, currentNode.innerHTML)) {
          _forceRemove(currentNode);
          return true;
        }
  
        if (tagName === 'math' && _isNode(currentNode.firstElementChild) && currentNode.querySelectorAll(':not(' + mathMl.join('):not(') + ')').length > 0) {
          _forceRemove(currentNode);
          return true;
        }
  
        /* Take care of an mXSS using HTML inside SVG affecting old Chrome */
        if (tagName === 'svg' && currentNode.querySelectorAll('p, br, table, form, noscript').length > 0) {
          _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$$1, ' ');
          content = stringReplace(content, ERB_EXPR$$1, ' ');
          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
      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 && regExpTest(DATA_ATTR$$1, lcName)) ; else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR$$1, 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 (regExpTest(IS_ALLOWED_URI$$1, stringReplace(value, ATTR_WHITESPACE$$1, ''))) ; else if ((lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') && lcTag !== 'script' && stringIndexOf(value, 'data:') === 0 && DATA_URI_TAGS[lcTag]) ; else if (ALLOW_UNKNOWN_PROTOCOLS && !regExpTest(IS_SCRIPT_OR_DATA$$1, stringReplace(value, ATTR_WHITESPACE$$1, ''))) ; else if (!value) ; else {
          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 = stringTrim(attr.value);
          lcName = stringToLowerCase(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 (regExpTest(/\/>/i, value)) {
            _removeAttribute(name, currentNode);
            continue;
          }
  
          /* Sanitize attribute content to be template-safe */
          if (SAFE_FOR_TEMPLATES) {
            value = stringReplace(value, MUSTACHE_EXPR$$1, ' ');
            value = stringReplace(value, ERB_EXPR$$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);
            }
  
            arrayPop(DOMPurify.removed);
          } 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);
  
            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);
          }
  
          return returnNode;
        }
  
        var serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;
  
        /* Sanitize final string template-safe */
        if (SAFE_FOR_TEMPLATES) {
          serializedHTML = stringReplace(serializedHTML, MUSTACHE_EXPR$$1, ' ');
          serializedHTML = stringReplace(serializedHTML, ERB_EXPR$$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 = stringToLowerCase(tag);
        var lcName = stringToLowerCase(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
       */
      DOMPurify.removeHook = function (entryPoint) {
        if (hooks[entryPoint]) {
          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();
  
    return purify;
  
  }));
  //# sourceMappingURL=purify.js.map
  