// compare.js — thin shim that parses ?stem=…&stem=… (legacy ?a=&b=) and
// hands off to panel-grid.js.

import { mountPanels } from './panel-grid.js?v=4';

const params = new URLSearchParams(window.location.search);
let stems = params.getAll('stem').filter(Boolean);
if (stems.length === 0) {
  stems = [params.get('a') || '', params.get('b') || ''].filter(Boolean);
}

const host = document.getElementById('panel-host');
const controls = document.getElementById('compare-controls');

mountPanels({ host, controls, stems });