import { PARSE_HTML_PRIORITY_HIGHEST } from '../constants'; import CodeBlockHighlight from './code_block_highlight'; export default CodeBlockHighlight.extend({ name: 'frontmatter', addAttributes() { return { ...this.parent?.(), isFrontmatter: { default: true, }, }; }, parseHTML() { return [ { tag: 'pre[data-lang-params="frontmatter"]', preserveWhitespace: 'full', priority: PARSE_HTML_PRIORITY_HIGHEST, }, ]; }, addCommands() { return { setFrontmatter: (attributes) => ({ commands }) => { return commands.setNode(this.name, attributes); }, toggleFrontmatter: (attributes) => ({ commands }) => { return commands.toggleNode(this.name, 'paragraph', attributes); }, }; }, addInputRules() { return []; }, });