picocss/docs/js/src/aside.js

/*!
 * Aside adjustment
 *
 * Pico.css - https://picocss.com
 * Copyright 2019 - Licensed under MIT
 */

(function() {

  // Close details if aside > nav have a scrollbar
  var nav        = document.querySelector("aside nav");
  var navDetails = document.querySelectorAll("aside details");

  if (nav.clientHeight < nav.scrollHeight) {
    for (var i = 1; i < navDetails.length; i++) {
      navDetails[i].removeAttribute("open");
    }
  }

})();