File: vendor/b12phpfw/themes/picocss/minimal-theme-switcher.js

/*!
 * Minimal theme switcher
 *
 * Pico.css - https://picocss.com
 * Copyright 2020 - Licensed under MIT
 */

const themeSwitcher = 
{
  // Config
  buttonsTarget: "a[data-theme-switcher]",
  buttonAttribute: "data-theme-switcher",
  rootAttribute: "data-theme",

  // Init
  init() {
    document.querySelectorAll(this.buttonsTarget).forEach
    (
      function (button) {
        button.addEventListener(
          "click",

          function (event) {
            event.preventDefault();
            document
              .querySelector("html")
              .setAttribute(
                this.rootAttribute,
                event.target.getAttribute(this.buttonAttribute)
              );
          }.bind(this),

          false
        );
      }.bind(this)
    );
  },
};

// Init
themeSwitcher.init();