63 lines
1.7 KiB
TypeScript
63 lines
1.7 KiB
TypeScript
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/*************************************************************
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*
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* Copyright (c) 2009-2022 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 A factory for stack items. This allows particular items to be
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* overwritten later.
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*
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* @author v.sorge@mathjax.org (Volker Sorge)
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*/
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import {StackItemClass, StackItem, BaseItem} from './StackItem.js';
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import ParseOptions from './ParseOptions.js';
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import {AbstractFactory} from '../../core/Tree/Factory.js';
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class DummyItem extends BaseItem {}
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/**
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* The StackItemFactory is initially populated with the default stack item
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* classes. They can be changed, deleted or added to, if and when necessary.
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*
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* @constructor
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* @extends {AbstractFactory}
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*/
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export default class StackItemFactory extends AbstractFactory<StackItem, StackItemClass> {
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/**
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* @override
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*/
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public static DefaultStackItems: {[kind: string]: StackItemClass} = {
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[DummyItem.prototype.kind]: DummyItem
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};
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/**
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* @override
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*/
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public defaultKind = 'dummy';
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/**
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* The parser configuration.
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* @type {ParseOptions}
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*/
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public configuration: ParseOptions = null;
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}
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