site/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.
}
}
}
);