update to node site

website/scripts/nodes/NodeRegistry.js

@@ -0,0 +1,50 @@
+/**
+ * @file NodeRegistry.js
+ * Static registry mapping node type strings to their handler instances.
+ */
+
+import { NodeBase } from './NodeBase.js';
+
+/**
+ * Static registry for all Blueprint node types.
+ * Node classes self-register by calling UCLASS_Register during module init.
+ */
+export class NodeRegistry {
+    /** @type {Map<string, NodeBase>} */
+    static #registry = new Map();
+
+    /**
+     * Registers a node class by its static NodeType.
+     * Call once per class, typically at the bottom of the class file.
+     *
+     * @UFUNCTION(BlueprintCallable)
+     * @param {typeof NodeBase} NodeClass
+     */
+    static UCLASS_Register(NodeClass) {
+        if (!NodeClass.NodeType) {
+            throw new Error(`[NodeRegistry] "${NodeClass.name}" is missing a static NodeType.`);
+        }
+        this.#registry.set(NodeClass.NodeType, new NodeClass());
+    }
+
+    /**
+     * Returns the handler instance for a given node type, or null.
+     *
+     * @UFUNCTION(BlueprintPure)
+     * @param {string} nodeType
+     * @returns {NodeBase | null}
+     */
+    static BlueprintPure_Get(nodeType) {
+        return this.#registry.get(nodeType) ?? null;
+    }
+
+    /**
+     * Returns all currently registered type strings.
+     *
+     * @UFUNCTION(BlueprintPure)
+     * @returns {string[]}
+     */
+    static BlueprintPure_GetRegisteredTypes() {
+        return [...this.#registry.keys()];
+    }
+}