add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/ts/adaptors/browserAdaptor.ts

@@ -0,0 +1,48 @@
+/*************************************************************
+ *
+ *  Copyright (c) 2018-2022 The MathJax Consortium
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+/**
+ * @fileoverview  Implements the browser DOM adaptor
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {HTMLAdaptor} from './HTMLAdaptor.js';
+
+//
+//  Let Typescript know about these
+//
+declare global {
+  interface Window {
+    Document: typeof Document;
+    DOMParser: typeof DOMParser;
+    XMLSerializer: typeof XMLSerializer;
+    HTMLElement: typeof HTMLElement;
+    HTMLCollection: typeof HTMLCollection;
+    NodeList: typeof NodeList;
+    DocumentFragment: typeof DocumentFragment;
+  }
+}
+
+/**
+ * Function to create an HTML adpator for browsers
+ *
+ * @return {HTMLAdaptor}  The newly created adaptor
+ */
+export function browserAdaptor(): HTMLAdaptor<HTMLElement, Text, Document> {
+  return new HTMLAdaptor<HTMLElement, Text, Document>(window);
+}