add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/ts/util/asyncLoad/node.ts

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+/*************************************************************
+ *
+ *  Copyright (c) 2019-2022 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 asynchronous loading for use with node applications
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {mathjax} from '../../mathjax.js';
+import * as path from 'path';
+
+declare var require: (name: string) => any;
+declare var __dirname: string;
+
+const root = path.dirname(path.dirname(__dirname));
+
+if (!mathjax.asyncLoad && typeof require !== 'undefined') {
+  mathjax.asyncLoad = (name: string) => {
+    return require(name.charAt(0) === '.' ? path.resolve(root, name) : name);
+  };
+}

node_modules/mathjax-full/ts/util/asyncLoad/path.d.ts

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+declare module 'path' {
+    export function dirname(dir: string): string;
+    export function resolve(root: string, name: string): string;
+}

node_modules/mathjax-full/ts/util/asyncLoad/system.ts

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+/*************************************************************
+ *
+ *  Copyright (c) 2019-2022 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 asynchronous loading for use with SystemJS
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {mathjax} from '../../mathjax.js';
+
+declare var System: {import: (name: string, url?: string) => any};
+declare var __dirname: string;
+
+let root = 'file://' + __dirname.replace(/\/\/[^\/]*$/, '/');
+
+if (!mathjax.asyncLoad && typeof System !== 'undefined' && System.import) {
+  mathjax.asyncLoad = (name: string) => {
+    return System.import(name, root);
+  };
+}
+
+/**
+ * @param {string} URL   the base URL to use for loading relative paths
+ */
+export function setBaseURL(URL: string) {
+  root = URL;
+  if (!root.match(/\/$/)) {
+    root += '/';
+  }
+}