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+/*!
+ * Bootstrap sanitizer.js v5.3.3 (https://getbootstrap.com/)
+ * Copyright 2011-2024 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ */
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+ typeof define === 'function' && define.amd ? define(['exports'], factory) :
+ (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Sanitizer = {}));
+})(this, (function (exports) { 'use strict';
+
+ /**
+ * --------------------------------------------------------------------------
+ * Bootstrap util/sanitizer.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+ // js-docs-start allow-list
+ const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i;
+ const DefaultAllowlist = {
+ // Global attributes allowed on any supplied element below.
+ '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],
+ a: ['target', 'href', 'title', 'rel'],
+ area: [],
+ b: [],
+ br: [],
+ col: [],
+ code: [],
+ dd: [],
+ div: [],
+ dl: [],
+ dt: [],
+ em: [],
+ hr: [],
+ h1: [],
+ h2: [],
+ h3: [],
+ h4: [],
+ h5: [],
+ h6: [],
+ i: [],
+ img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],
+ li: [],
+ ol: [],
+ p: [],
+ pre: [],
+ s: [],
+ small: [],
+ span: [],
+ sub: [],
+ sup: [],
+ strong: [],
+ u: [],
+ ul: []
+ };
+ // js-docs-end allow-list
+
+ const uriAttributes = new Set(['background', 'cite', 'href', 'itemtype', 'longdesc', 'poster', 'src', 'xlink:href']);
+
+ /**
+ * A pattern that recognizes URLs that are safe wrt. XSS in URL navigation
+ * contexts.
+ *
+ * Shout-out to Angular https://github.com/angular/angular/blob/15.2.8/packages/core/src/sanitization/url_sanitizer.ts#L38
+ */
+ // eslint-disable-next-line unicorn/better-regex
+ const SAFE_URL_PATTERN = /^(?!javascript:)(?:[a-z0-9+.-]+:|[^&:/?#]*(?:[/?#]|$))/i;
+ const allowedAttribute = (attribute, allowedAttributeList) => {
+ const attributeName = attribute.nodeName.toLowerCase();
+ if (allowedAttributeList.includes(attributeName)) {
+ if (uriAttributes.has(attributeName)) {
+ return Boolean(SAFE_URL_PATTERN.test(attribute.nodeValue));
+ }
+ return true;
+ }
+
+ // Check if a regular expression validates the attribute.
+ return allowedAttributeList.filter(attributeRegex => attributeRegex instanceof RegExp).some(regex => regex.test(attributeName));
+ };
+ function sanitizeHtml(unsafeHtml, allowList, sanitizeFunction) {
+ if (!unsafeHtml.length) {
+ return unsafeHtml;
+ }
+ if (sanitizeFunction && typeof sanitizeFunction === 'function') {
+ return sanitizeFunction(unsafeHtml);
+ }
+ const domParser = new window.DOMParser();
+ const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html');
+ const elements = [].concat(...createdDocument.body.querySelectorAll('*'));
+ for (const element of elements) {
+ const elementName = element.nodeName.toLowerCase();
+ if (!Object.keys(allowList).includes(elementName)) {
+ element.remove();
+ continue;
+ }
+ const attributeList = [].concat(...element.attributes);
+ const allowedAttributes = [].concat(allowList['*'] || [], allowList[elementName] || []);
+ for (const attribute of attributeList) {
+ if (!allowedAttribute(attribute, allowedAttributes)) {
+ element.removeAttribute(attribute.nodeName);
+ }
+ }
+ }
+ return createdDocument.body.innerHTML;
+ }
+
+ exports.DefaultAllowlist = DefaultAllowlist;
+ exports.sanitizeHtml = sanitizeHtml;
+
+ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+
+}));
+//# sourceMappingURL=sanitizer.js.map