61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
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/*************************************************************
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*
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* Copyright (c) 2018-2022 The MathJax Consortium
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Configuration file for the AMS package.
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*
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* @author v.sorge@mathjax.org (Volker Sorge)
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*/
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import {Configuration} from '../Configuration.js';
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import TexParser from '../TexParser.js';
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/**
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* Generates a red version of the undefined control sequence, instead of
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* throwing an error.
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* @param {TexParser} parser The calling parser.
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* @param {string} name The macro name.
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*/
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function noUndefined(parser: TexParser, name: string) {
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const textNode = parser.create('text', '\\' + name);
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const options = parser.options.noundefined || {};
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const def = {} as {[name: string]: string};
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for (const id of ['color', 'background', 'size']) {
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if (options[id]) {
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def['math' + id] = options[id];
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}
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}
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parser.Push(parser.create('node', 'mtext', [], def, textNode));
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}
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export const NoUndefinedConfiguration = Configuration.create(
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'noundefined', {
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fallback: {macro: noUndefined},
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options: {
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noundefined: {
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color: 'red',
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background: '',
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size: ''
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}
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},
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priority: 3
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}
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);
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