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

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

export const heading = (node, { rootHandler }) => {
    const remarkNode = {
        children: node
            .getChildren()
            .map((child) => rootHandler(child, { rootHandler }))
            .filter((child) => !!child),
        depth: +node.getTag()[1],
        type: 'heading',
    };
    return remarkNode;
};