ed-xml-to-md-table.js

const path = require('path');
const fs = require('fs');
const xml2js = require('xml2js');

async function walk(dir) {
    const finalObj = {};
    for await (const d of await fs.promises.opendir(dir)) {
        const entry = path.join(dir, d.name);

        if (d.isDirectory()) {
            finalObj[d.name] = await walk(entry);
            continue;
        }

        const contents = await fs.promises.readFile(entry);

        finalObj[d.name] = contents;

        continue;
    }

    return finalObj;
}

async function main() {
    const fileContentObj = await walk(path.resolve('./Layouts'));
    const parser = new xml2js.Parser(/* options */);

    const fileParsedArr = await Promise.all(Object.entries(fileContentObj).map(async ([fileName, fileContents]) => {
        const parsedObj = await parser.parseStringPromise(fileContents);

        const keys = ['name', 'type', 'default', 'description'];

        // Array
        const entryArr = parsedObj['layout']['entry'];

        let header = `|${keys.map(key => key.toUpperCase()).join('|')}|`;
        let seperator = `|${keys.map(_ => '---').join('|')}|`;
        const body = entryArr.map(entry => {
            const entryArr = keys.map(key => {
                const [val] = entry[key] || [''];
                return val;
            })

            return `|${entryArr.join('|')}|`;
        }).join('\n');

        return [fileName, `${header}\n${seperator}\n${body}`];
    }))

    await Promise.all(fileParsedArr.map(async ([fileName, fileContents]) => {
        await fs.promises.writeFile(path.resolve(`./output/${fileName}.md`), fileContents);
    }))
}

main().catch(console.error)

At some point, I had to debug JSON and had to write this JSON:

"((?!name|type|default|size|entry|description).*)": \[