stuff

node_modules/mathjax-full/ts/output/svg/Wrappers/scriptbase.ts

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+/*************************************************************
+ *
+ *  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 a base class for SVGmsubsup, SVGmunderover
+ *                and their relatives.  (Since munderover can become msubsup
+ *                when movablelimits is set, munderover needs to be able to
+ *                do the same thing as msubsup in some cases.)
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {SVGWrapper, SVGConstructor} from '../Wrapper.js';
+import {CommonScriptbaseMixin} from '../../common/Wrappers/scriptbase.js';
+
+/*****************************************************************/
+/**
+ * A base class for msup/msub/msubsup and munder/mover/munderover
+ * wrapper implementations
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+// @ts-ignore
+export class SVGscriptbase<N, T, D> extends
+CommonScriptbaseMixin<SVGWrapper<any, any, any>, SVGConstructor<any, any, any>>(SVGWrapper) {
+
+  /**
+   * The scriptbase wrapper
+   */
+  public static kind = 'scriptbase';
+
+  /**
+   * This gives the common output for msub and msup.  It is overridden
+   * for all the others (msubsup, munder, mover, munderover).
+   *
+   * @override
+   */
+  public toSVG(parent: N) {
+    const svg = this.standardSVGnode(parent);
+    const w = this.getBaseWidth();
+    const [x, v] = this.getOffset();
+    this.baseChild.toSVG(svg);
+    this.scriptChild.toSVG(svg);
+    this.scriptChild.place(w + x, v);
+  }
+
+}