stuff

node_modules/mathjax-full/ts/input/tex/noundefined/NoUndefinedConfiguration.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 Configuration file for the AMS package.
+ *
+ * @author v.sorge@mathjax.org (Volker Sorge)
+ */
+
+import {Configuration} from '../Configuration.js';
+import TexParser from '../TexParser.js';
+
+/**
+ * Generates a red version of the undefined control sequence, instead of
+ * throwing an error.
+ * @param {TexParser} parser The calling parser.
+ * @param {string} name The macro name.
+ */
+function noUndefined(parser: TexParser, name: string) {
+  const textNode = parser.create('text', '\\' + name);
+  const options = parser.options.noundefined || {};
+  const def = {} as {[name: string]: string};
+  for (const id of ['color', 'background', 'size']) {
+    if (options[id]) {
+      def['math' + id] = options[id];
+    }
+  }
+  parser.Push(parser.create('node', 'mtext', [], def, textNode));
+}
+
+export const NoUndefinedConfiguration = Configuration.create(
+  'noundefined', {
+    fallback: {macro: noUndefined},
+    options: {
+      noundefined: {
+        color: 'red',
+        background: '',
+        size: ''
+      }
+    },
+    priority: 3
+  }
+);
+
+