add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/ts/adaptors/lite/Document.ts

@@ -0,0 +1,66 @@
+/*************************************************************
+ *
+ *  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 a lightweight DOM adaptor
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {LiteElement} from './Element.js';
+
+/************************************************************/
+/**
+ * Implements a lightweight Document replacement
+ */
+export class LiteDocument {
+  /**
+   * The document's <html> element
+   */
+  public root: LiteElement;
+  /**
+   * The document's <head> element
+   */
+  public head: LiteElement;
+  /**
+   * The document's <body> element
+   */
+  public body: LiteElement;
+
+  /**
+   * the DOCTYPE comment
+   */
+  public type: string;
+
+  /**
+   * The kind is always #document
+   */
+  public get kind() {
+    return '#document';
+  }
+
+  /**
+   * @constructor
+   */
+  constructor() {
+    this.root = new LiteElement('html', {}, [
+      this.head = new LiteElement('head'),
+      this.body = new LiteElement('body')
+    ]);
+    this.type = '';
+  }
+}