add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/ts/handlers/html.ts

@@ -0,0 +1,42 @@
+/*************************************************************
+ *
+ *  Copyright (c) 2017-2022 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  Registers the HTML document type
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {mathjax} from '../mathjax.js';
+import {HTMLHandler} from './html/HTMLHandler.js';
+import {DOMAdaptor} from '../core/DOMAdaptor.js';
+
+/**
+ * Create the HTML handler object and register it with MathJax.
+ *
+ * @param {DOMAdaptor<N,T,D>} adaptor  The DOM adaptor to use with HTML
+ * @return {HTMLHandler}               The newly created handler
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+export function RegisterHTMLHandler<N, T, D>(adaptor: DOMAdaptor<N, T, D>): HTMLHandler<N, T, D> {
+  const handler = new HTMLHandler<N, T, D>(adaptor);
+  mathjax.handlers.register(handler);
+  return handler;
+}