From 5e2f20b701d9363b9c03ec59e9ba0d5db307db48 Mon Sep 17 00:00:00 2001
From: Benny Powers <web@bennypowers.com>
Date: Wed, 15 Apr 2026 15:42:13 +0300
Subject: [PATCH] fix(core): SlotController.getSlotted() returning empty array

Add fallback in getSlotted() to query slot elements directly when
async slot record initialization hasn't completed yet.

Closes #2946

Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .changeset/fix-slot-controller.md            |  6 ++++++
 core/pfe-core/controllers/slot-controller.ts | 17 +++++++++++++++--
 2 files changed, 21 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/fix-slot-controller.md

diff --git a/.changeset/fix-slot-controller.md b/.changeset/fix-slot-controller.md
new file mode 100644
index 0000000000..f7742ab53f
--- /dev/null
+++ b/.changeset/fix-slot-controller.md
@@ -0,0 +1,6 @@
+---
+"@patternfly/pfe-core": patch
+---
+
+`SlotController`: fixed `getSlotted()` returning empty arrays in
+certain timing scenarios.
diff --git a/core/pfe-core/controllers/slot-controller.ts b/core/pfe-core/controllers/slot-controller.ts
index 85cb4d962e..9578975a4b 100644
--- a/core/pfe-core/controllers/slot-controller.ts
+++ b/core/pfe-core/controllers/slot-controller.ts
@@ -215,13 +215,26 @@ export class SlotController implements SlotControllerPublicAPI {
    */
   public getSlotted<T extends Element = Element>(...slotNames: string[] | [null]): T[] {
     if (!slotNames.length || slotNames.length === 1 && slotNames.at(0) === null) {
-      return (this.#slotRecords.get(SlotController.default)?.elements ?? []) as T[];
+      return (this.#getAssignedElements(SlotController.default)) as T[];
     } else {
       return slotNames.flatMap(slotName =>
-        this.#slotRecords.get(slotName ?? SlotController.default)?.elements ?? []) as T[];
+        this.#getAssignedElements(slotName ?? SlotController.default)) as T[];
     }
   }
 
+  /**
+   * Returns the assigned elements for a given slot name, falling back to
+   * querying the slot element directly if the slot record hasn't been
+   * initialized yet.
+   */
+  #getAssignedElements(slotId: string | symbol): Element[] {
+    const record = this.#slotRecords.get(slotId);
+    if (record) {
+      return record.elements;
+    }
+    return this.#getSlotElement(slotId)?.assignedElements?.() ?? [];
+  }
+
   /**
    * Returns a boolean statement of whether or not any of those slots exists in the light DOM.
    * @param names The slot names to check.