43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
/* eslint-disable class-methods-use-this */
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import { Mark } from 'tiptap';
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import { defaultMarkdownSerializer } from 'prosemirror-markdown';
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import { HIGHER_PARSE_RULE_PRIORITY } from '../constants';
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// Transforms generated HTML back to GFM for Banzai::Filter::MathFilter
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export default class MathMark extends Mark {
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get name() {
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return 'math';
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}
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get schema() {
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return {
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parseDOM: [
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// Matches HTML generated by Banzai::Filter::MathFilter
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{
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tag: 'code.code.math[data-math-style=inline]',
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priority: HIGHER_PARSE_RULE_PRIORITY,
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},
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// Matches HTML after being transformed by app/assets/javascripts/behaviors/markdown/render_math.js
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{
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tag: 'span.katex',
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contentElement: 'annotation[encoding="application/x-tex"]',
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},
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],
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toDOM: () => ['code', { class: 'code math', 'data-math-style': 'inline' }, 0],
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};
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}
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get toMarkdown() {
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return {
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escape: false,
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open(state, mark, parent, index) {
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return `$${defaultMarkdownSerializer.marks.code.open(state, mark, parent, index)}`;
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},
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close(state, mark, parent, index) {
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return `${defaultMarkdownSerializer.marks.code.close(state, mark, parent, index)}$`;
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},
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};
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}
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}
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