claro-8.x-1.x-dev/js/details.es6.js

js/details.es6.js
claro
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/**
 * @file
 * Claro's polyfill enhancements for HTML5 details.
 */
 
(($, Modernizr, Drupal) => {
  /**
   * Workaround for Firefox.
   *
   * Firefox applies the focus state only for keyboard navigation.
   * We have to manually trigger focus to make the behavior consistent across
   * browsers.
   *
   * @type {Drupal~behavior}
   */
  Drupal.behaviors.claroDetails = {
    attach(context) {
      $(context)
        .once("claroDetails")
        .on("click", event => {
          if (event.target.nodeName === "SUMMARY") {
            $(event.target).trigger("focus");
          }
        });
    }
  };
 
  /**
   * Workaround for non-supporting browsers.
   *
   * This shim extends HTML5 Shiv used by core.
   *
   * HTML5 Shiv toggles focused details for hitting enter. We copy that for
   * space key as well to make the behavior consistent across browsers.
   *
   * @type {Drupal~behavior}
   */
  Drupal.behaviors.claroDetailsToggleShim = {
    attach(context) {
      if (Modernizr.details || !Drupal.CollapsibleDetails.instances.length) {
        return;
      }
 
      $(context)
        .find("details .details-title")
        .once("claroDetailsToggleShim")
        .on("keypress", event => {
          const keyCode = event.keyCode || event.charCode;
          if (keyCode === 32) {
            $(event.target)
              .closest("summary")
              .trigger("click");
            event.preventDefault();
          }
        });
    }
  };
})(jQuery, Modernizr, Drupal);

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