sso

node_modules/@xmldom/xmldom/lib/conventions.js

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+'use strict'
+
+/**
+ * Ponyfill for `Array.prototype.find` which is only available in ES6 runtimes.
+ *
+ * Works with anything that has a `length` property and index access properties, including NodeList.
+ *
+ * @template {unknown} T
+ * @param {Array<T> | ({length:number, [number]: T})} list
+ * @param {function (item: T, index: number, list:Array<T> | ({length:number, [number]: T})):boolean} predicate
+ * @param {Partial<Pick<ArrayConstructor['prototype'], 'find'>>?} ac `Array.prototype` by default,
+ * 				allows injecting a custom implementation in tests
+ * @returns {T | undefined}
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
+ * @see https://tc39.es/ecma262/multipage/indexed-collections.html#sec-array.prototype.find
+ */
+function find(list, predicate, ac) {
+	if (ac === undefined) {
+		ac = Array.prototype;
+	}
+	if (list && typeof ac.find === 'function') {
+		return ac.find.call(list, predicate);
+	}
+	for (var i = 0; i < list.length; i++) {
+		if (Object.prototype.hasOwnProperty.call(list, i)) {
+			var item = list[i];
+			if (predicate.call(undefined, item, i, list)) {
+				return item;
+			}
+		}
+	}
+}
+
+/**
+ * "Shallow freezes" an object to render it immutable.
+ * Uses `Object.freeze` if available,
+ * otherwise the immutability is only in the type.
+ *
+ * Is used to create "enum like" objects.
+ *
+ * @template T
+ * @param {T} object the object to freeze
+ * @param {Pick<ObjectConstructor, 'freeze'> = Object} oc `Object` by default,
+ * 				allows to inject custom object constructor for tests
+ * @returns {Readonly<T>}
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze
+ */
+function freeze(object, oc) {
+	if (oc === undefined) {
+		oc = Object
+	}
+	return oc && typeof oc.freeze === 'function' ? oc.freeze(object) : object
+}
+
+/**
+ * All mime types that are allowed as input to `DOMParser.parseFromString`
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/DOMParser/parseFromString#Argument02 MDN
+ * @see https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#domparsersupportedtype WHATWG HTML Spec
+ * @see DOMParser.prototype.parseFromString
+ */
+var MIME_TYPE = freeze({
+	/**
+	 * `text/html`, the only mime type that triggers treating an XML document as HTML.
+	 *
+	 * @see DOMParser.SupportedType.isHTML
+	 * @see https://www.iana.org/assignments/media-types/text/html IANA MimeType registration
+	 * @see https://en.wikipedia.org/wiki/HTML Wikipedia
+	 * @see https://developer.mozilla.org/en-US/docs/Web/API/DOMParser/parseFromString MDN
+	 * @see https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#dom-domparser-parsefromstring WHATWG HTML Spec
+	 */
+	HTML: 'text/html',
+
+	/**
+	 * Helper method to check a mime type if it indicates an HTML document
+	 *
+	 * @param {string} [value]
+	 * @returns {boolean}
+	 *
+	 * @see https://www.iana.org/assignments/media-types/text/html IANA MimeType registration
+	 * @see https://en.wikipedia.org/wiki/HTML Wikipedia
+	 * @see https://developer.mozilla.org/en-US/docs/Web/API/DOMParser/parseFromString MDN
+	 * @see https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#dom-domparser-parsefromstring 	 */
+	isHTML: function (value) {
+		return value === MIME_TYPE.HTML
+	},
+
+	/**
+	 * `application/xml`, the standard mime type for XML documents.
+	 *
+	 * @see https://www.iana.org/assignments/media-types/application/xml IANA MimeType registration
+	 * @see https://tools.ietf.org/html/rfc7303#section-9.1 RFC 7303
+	 * @see https://en.wikipedia.org/wiki/XML_and_MIME Wikipedia
+	 */
+	XML_APPLICATION: 'application/xml',
+
+	/**
+	 * `text/html`, an alias for `application/xml`.
+	 *
+	 * @see https://tools.ietf.org/html/rfc7303#section-9.2 RFC 7303
+	 * @see https://www.iana.org/assignments/media-types/text/xml IANA MimeType registration
+	 * @see https://en.wikipedia.org/wiki/XML_and_MIME Wikipedia
+	 */
+	XML_TEXT: 'text/xml',
+
+	/**
+	 * `application/xhtml+xml`, indicates an XML document that has the default HTML namespace,
+	 * but is parsed as an XML document.
+	 *
+	 * @see https://www.iana.org/assignments/media-types/application/xhtml+xml IANA MimeType registration
+	 * @see https://dom.spec.whatwg.org/#dom-domimplementation-createdocument WHATWG DOM Spec
+	 * @see https://en.wikipedia.org/wiki/XHTML Wikipedia
+	 */
+	XML_XHTML_APPLICATION: 'application/xhtml+xml',
+
+	/**
+	 * `image/svg+xml`,
+	 *
+	 * @see https://www.iana.org/assignments/media-types/image/svg+xml IANA MimeType registration
+	 * @see https://www.w3.org/TR/SVG11/ W3C SVG 1.1
+	 * @see https://en.wikipedia.org/wiki/Scalable_Vector_Graphics Wikipedia
+	 */
+	XML_SVG_IMAGE: 'image/svg+xml',
+})
+
+/**
+ * Namespaces that are used in this code base.
+ *
+ * @see http://www.w3.org/TR/REC-xml-names
+ */
+var NAMESPACE = freeze({
+	/**
+	 * The XHTML namespace.
+	 *
+	 * @see http://www.w3.org/1999/xhtml
+	 */
+	HTML: 'http://www.w3.org/1999/xhtml',
+
+	/**
+	 * Checks if `uri` equals `NAMESPACE.HTML`.
+	 *
+	 * @param {string} [uri]
+	 *
+	 * @see NAMESPACE.HTML
+	 */
+	isHTML: function (uri) {
+		return uri === NAMESPACE.HTML
+	},
+
+	/**
+	 * The SVG namespace.
+	 *
+	 * @see http://www.w3.org/2000/svg
+	 */
+	SVG: 'http://www.w3.org/2000/svg',
+
+	/**
+	 * The `xml:` namespace.
+	 *
+	 * @see http://www.w3.org/XML/1998/namespace
+	 */
+	XML: 'http://www.w3.org/XML/1998/namespace',
+
+	/**
+	 * The `xmlns:` namespace
+	 *
+	 * @see https://www.w3.org/2000/xmlns/
+	 */
+	XMLNS: 'http://www.w3.org/2000/xmlns/',
+})
+
+exports.find = find;
+exports.freeze = freeze;
+exports.MIME_TYPE = MIME_TYPE;
+exports.NAMESPACE = NAMESPACE;