72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
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/*************************************************************
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*
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* Copyright (c) 2022-2022 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 Implements the linkedom DOM adaptor
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*
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* @author dpvc@mathjax.org (Davide Cervone)
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*/
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import {HTMLAdaptor} from './HTMLAdaptor.js';
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import {NodeMixin, Constructor} from './NodeMixin.js';
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import {OptionList} from '../util/Options.js';
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/**
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* The constructor for an HTMLAdaptor
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*/
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export type HTMLAdaptorConstructor = Constructor<HTMLAdaptor<HTMLElement, Text, Document>>;
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/**
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* The LinkedomAdaptor class
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*/
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export class LinkedomAdaptor extends NodeMixin<HTMLElement, Text, Document, HTMLAdaptorConstructor>(HTMLAdaptor) {
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/**
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* @override
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*/
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public parse(text: string, format: string = 'text/html') {
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//
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// Make sure the text string has nodes (in particular, it can't be empty)
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//
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if (!text.match(/^(?:\s|\n)*</)) text = '<html>' + text + '</html>';
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return this.parser.parseFromString(text, format);
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}
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/**
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* @override
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*
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* This will do an HTML serialization, which may be good enough, but
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* won't necessarily close some tags properly.
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*/
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public serializeXML(node: HTMLElement) {
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return this.outerHTML(node);
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}
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}
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/**
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* Function for creating an HTML adaptor using linkedom
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*
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* @param {any} parseHTML The linkedom HTML parser to use for this adaptor
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* @return {LinkeddomAdaptor} The newly created adaptor
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*/
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export function linkedomAdaptor(parseHTML: any, options: OptionList = null): LinkedomAdaptor {
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const window = parseHTML('<html></html>');
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window.constructor.prototype.HTMLCollection = class {}; // add fake class for missing HTMLCollecton
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return new LinkedomAdaptor(window, options);
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}
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