stuff

node_modules/mathjax-full/ts/input/tex/ams/AmsConfiguration.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, ParserConfiguration} from '../Configuration.js';
+import {MultlineItem, FlalignItem} from './AmsItems.js';
+import {AbstractTags} from '../Tags.js';
+import {NEW_OPS} from './AmsMethods.js';
+import './AmsMappings.js';
+import {CommandMap} from '../SymbolMap.js';
+
+
+/**
+ * Standard AMS style tagging.
+ * @constructor
+ * @extends {AbstractTags}
+ */
+export class AmsTags extends AbstractTags { }
+
+
+/**
+ * Init method for AMS package.
+ * @param {ParserConfiguration} config The current configuration.
+ */
+let init = function(config: ParserConfiguration) {
+  new CommandMap(NEW_OPS, {}, {});
+  config.append(Configuration.local({handler: {macro: [NEW_OPS]},
+                                    priority: -1}));
+};
+
+export const AmsConfiguration = Configuration.create(
+  'ams', {
+    handler: {
+      character: ['AMSmath-operatorLetter'],
+      delimiter: ['AMSsymbols-delimiter', 'AMSmath-delimiter'],
+      macro: ['AMSsymbols-mathchar0mi', 'AMSsymbols-mathchar0mo',
+              'AMSsymbols-delimiter', 'AMSsymbols-macros',
+              'AMSmath-mathchar0mo', 'AMSmath-macros', 'AMSmath-delimiter'],
+      environment: ['AMSmath-environment']
+    },
+    items: {
+      [MultlineItem.prototype.kind]: MultlineItem,
+      [FlalignItem.prototype.kind]: FlalignItem,
+    },
+    tags: {'ams': AmsTags},
+    init: init,
+    config: (_config: ParserConfiguration, jax: any)  => {
+      //
+      //  Move multlineWidth from old location to ams block (remove in next version)
+      //
+      if (jax.parseOptions.options.multlineWidth) {
+        jax.parseOptions.options.ams.multlineWidth = jax.parseOptions.options.multlineWidth;
+      }
+      delete jax.parseOptions.options.multlineWidth;
+    },
+    options: {
+      multlineWidth: '',
+      ams: {
+        multlineWidth: '100%',  // The width to use for multline environments.
+        multlineIndent: '1em',  // The margin to use on both sides of multline environments.
+      }
+    }
+  }
+);
+
+