stuff

node_modules/mathjax-full/ts/output/chtml/Wrappers/msubsup.ts

@@ -0,0 +1,125 @@
+/*************************************************************
+ *
+ *  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 CHTMLmsubsup wrapper for the MmlMsubsup object
+ *                and the special cases CHTMLmsub and CHTMLmsup
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {CHTMLWrapper, Constructor} from '../Wrapper.js';
+import {CHTMLscriptbase} from './scriptbase.js';
+import {CommonMsubMixin} from '../../common/Wrappers/msubsup.js';
+import {CommonMsupMixin} from '../../common/Wrappers/msubsup.js';
+import {CommonMsubsupMixin} from '../../common/Wrappers/msubsup.js';
+import {MmlMsubsup, MmlMsub, MmlMsup} from '../../../core/MmlTree/MmlNodes/msubsup.js';
+import {StyleList} from '../../../util/StyleList.js';
+
+/*****************************************************************/
+/**
+ * The CHTMLmsub wrapper for the MmlMsub object
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+// @ts-ignore
+export class CHTMLmsub<N, T, D> extends
+CommonMsubMixin<CHTMLWrapper<any, any, any>, Constructor<CHTMLscriptbase<any, any, any>>>(CHTMLscriptbase)  {
+
+  /**
+   * The msub wrapper
+   */
+  public static kind = MmlMsub.prototype.kind;
+
+}
+
+/*****************************************************************/
+/**
+ * The CHTMLmsup wrapper for the MmlMsup object
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+// @ts-ignore
+export class CHTMLmsup<N, T, D> extends
+CommonMsupMixin<CHTMLWrapper<any, any, any>, Constructor<CHTMLscriptbase<any, any, any>>>(CHTMLscriptbase)  {
+
+  /**
+   * The msup wrapper
+   */
+  public static kind = MmlMsup.prototype.kind;
+
+}
+
+/*****************************************************************/
+/**
+ * The CHTMLmsubsup wrapper for the MmlMsubsup object
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+// @ts-ignore
+export class CHTMLmsubsup<N, T, D> extends
+CommonMsubsupMixin<CHTMLWrapper<any, any, any>, Constructor<CHTMLscriptbase<any, any, any>>>(CHTMLscriptbase)  {
+
+  /**
+   * The msubsup wrapper
+   */
+  public static kind = MmlMsubsup.prototype.kind;
+
+  /**
+   * @override
+   */
+  public static styles: StyleList = {
+    'mjx-script': {
+      display: 'inline-block',
+      'padding-right': '.05em',  // scriptspace
+      'padding-left': '.033em'   // extra_ic
+    },
+    'mjx-script > mjx-spacer': {
+      display: 'block'
+    }
+  };
+
+  /**
+   * @override
+   */
+  public toCHTML(parent: N) {
+    const adaptor = this.adaptor;
+    const chtml = this.standardCHTMLnode(parent);
+    const [base, sup, sub] = [this.baseChild, this.supChild, this.subChild];
+    const [ , v, q] = this.getUVQ();
+    const style = {'vertical-align': this.em(v)};
+    base.toCHTML(chtml);
+    const stack = adaptor.append(chtml, this.html('mjx-script', {style})) as N;
+    sup.toCHTML(stack);
+    adaptor.append(stack, this.html('mjx-spacer', {style: {'margin-top': this.em(q)}}));
+    sub.toCHTML(stack);
+    const ic = this.getAdjustedIc();
+    if (ic) {
+      adaptor.setStyle(sup.chtml, 'marginLeft', this.em(ic / sup.bbox.rscale));
+    }
+    if (this.baseRemoveIc) {
+      adaptor.setStyle(stack, 'marginLeft', this.em(-this.baseIc));
+    }
+  }
+
+}