Export parts CSV from Lego Pick-a-Brick "Order details" page

export-from-lego-pab-order-details-page.js

function initiateDownload(data, filename, type) {
    const blob = new Blob(data, {type: type});
    const url = window.URL.createObjectURL(blob);
    const a = document.createElement('a')
    a.href = url;
    a.download = filename;
    a.style = 'display: "none"';
    document.body.appendChild(a);
    a.click();
    window.URL.revokeObjectURL(url);
}

csvRows = ['elementId,quantity\n'];
for (const row of document.querySelectorAll('ul>li[class^="PabItem"]')) {
    const extractNumber = (selector) => /([0-9]+)\s*$/.exec(row.querySelector(selector).textContent)[1];
    items = ['[class^="Sku-module"]', '[class^="Quantity-module"]'].map(extractNumber);
    csvRows.push(items.join(',') + '\n');
}

initiateDownload(csvRows, 'parts.csv', 'text/csv;charset=utf-8');