add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/ts/output/common/Wrappers/TeXAtom.ts

@@ -0,0 +1,72 @@
+/*************************************************************
+ *
+ *  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  Implements the CommonTeXAtom wrapper mixin for the MmlTeXAtom object
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {AnyWrapper, WrapperConstructor, Constructor} from '../Wrapper.js';
+import {BBox} from '../../../util/BBox.js';
+import {TEXCLASS} from '../../../core/MmlTree/MmlNode.js';
+
+/*****************************************************************/
+/**
+ * The CommonTeXAtom interface
+ */
+export interface CommonTeXAtom extends AnyWrapper {
+}
+
+/**
+ * Shorthand for the CommonTeXAtom constructor
+ */
+export type TeXAtomConstructor = Constructor<CommonTeXAtom>;
+
+/*****************************************************************/
+/**
+ * The CommonTeXAtom wrapper mixin for the TeXAtom object
+ *
+ * @template T  The Wrapper class constructor type
+ */
+export function CommonTeXAtomMixin<T extends WrapperConstructor>(Base: T): TeXAtomConstructor & T {
+
+  return class extends Base {
+
+    /**
+     * @override
+     */
+    public computeBBox(bbox: BBox, recompute: boolean = false) {
+      super.computeBBox(bbox, recompute);
+      if (this.childNodes[0] && this.childNodes[0].bbox.ic) {
+        bbox.ic = this.childNodes[0].bbox.ic;
+      }
+      //
+      // Center VCENTER atoms vertically
+      //
+      if (this.node.texClass === TEXCLASS.VCENTER) {
+        const {h, d} = bbox;
+        const a = this.font.params.axis_height;
+        const dh = ((h + d) / 2 + a) - h;  // new height minus old height
+        bbox.h += dh;
+        bbox.d -= dh;
+      }
+    }
+
+  };
+
+}