myst-cli/dist/transforms/mdast.js

Command line tools for MyST

import fs from 'node:fs';
import { RuleId } from 'myst-common';
import { selectAll } from 'unist-util-select';
import { join, dirname } from 'node:path';
import { addWarningForFile } from '../utils/addWarningForFile.js';
/**
 * This is the {mdast} directive, that loads from disk
 * For example, tables that can't be represented in markdown.
 */
export function importMdastFromJson(session, filename, mdast) {
    const mdastNodes = selectAll('mdast', mdast);
    const loadedData = {};
    const dir = dirname(filename);
    mdastNodes.forEach((node) => {
        const [mdastFilename, id] = node.id.split('#');
        let data = loadedData[mdastFilename];
        if (!data) {
            try {
                data = JSON.parse(fs.readFileSync(join(dir, mdastFilename)).toString());
                loadedData[mdastFilename] = data;
            }
            catch {
                addWarningForFile(session, filename, `Mdast Node import: Could not load ${mdastFilename}`, 'error', { ruleId: RuleId.mdastSnippetImports });
                return;
            }
        }
        if (!data[id]) {
            addWarningForFile(session, filename, `Mdast Node import: Could not find ${id} in ${mdastFilename}`, 'error', { ruleId: RuleId.mdastSnippetImports });
            return;
        }
        // Clear the current object
        Object.keys(node).forEach((k) => {
            delete node[k];
        });
        // Replace with the import
        Object.assign(node, data[id]);
    });
}