In-console parser for Chrome bookmarks bar export

parse_bookmarks_html.js

root = document
    .querySelector('h3[personal_toolbar_folder="true"]')
    .parentElement


process_dt(root)

/**
 * Process dl:
 *   dt
 *     h3
 *     dl ...
 *     p
 * 
 *   or
 * 
 *   dt
 *     a
 */

function process_a(a)
{
    return {
        name: a.innerText,
        link: a.attributes['href'].value,
        add_date: a.attributes['add_date'].value
    }
}

function process_dl(dl)
{
    return [... dl.children]
        .filter(e => e.nodeName.toLowerCase() !== 'p')
        .map(process_dt)
}

function process_dt(dt)
{
    if(dt.children.length === 1)
    {
        return {...process_a(dt.children[0]), type: 'link'}
    }

    return {
        ...process_h3(dt.children[0]),
        type: 'folder',
        children: process_dl(dt.children[1])
    }
}

function process_h3(h3)
{
    return {
        name: h3.innerText,
        add_date: h3.attributes['add_date']?.value,
        last_modified: h3.attributes['last_modified']?.value
    }
}