@mkljczk/lexical-remark/lib/import/handlers/heading.js

This package contains Markdown helpers and functionality for Lexical using remark-parse.

import { $createHeadingNode } from '@lexical/rich-text';
export const heading = (node, parser) => {
    const rank = Math.max(Math.min(6, node.depth || 1), 1);
    const lexicalNode = $createHeadingNode(`h${rank}`);
    parser.push(lexicalNode);
    node.children.forEach((child) => parser.parse(child));
    parser.pop(lexicalNode);
    parser.append(lexicalNode);
};