Initial Drupal 11 with DDEV setup

web/core/misc/drupal.init.js

@@ -0,0 +1,34 @@
+// Allow other JavaScript libraries to use $.
+if (window.jQuery) {
+  jQuery.noConflict();
+}
+
+// Class indicating that JS is enabled; used for styling purpose.
+document.documentElement.className += ' js';
+
+// JavaScript should be made compatible with libraries other than jQuery by
+// wrapping it in an anonymous closure.
+(function (Drupal, drupalSettings) {
+  /**
+   * Calls callback when document ready.
+   *
+   * @param {function} callback
+   *   The function to be called on document ready.
+   */
+  const domReady = (callback) => {
+    const listener = () => {
+      callback();
+      document.removeEventListener('DOMContentLoaded', listener);
+    };
+    if (document.readyState !== 'loading') {
+      setTimeout(callback, 0);
+    } else {
+      document.addEventListener('DOMContentLoaded', listener);
+    }
+  };
+
+  // Attach all behaviors.
+  domReady(() => {
+    Drupal.attachBehaviors(document, drupalSettings);
+  });
+})(Drupal, window.drupalSettings);