Added types for UniformGroupNode and UniformGroup, and created type d… (

#940)

* Added types for UniformGroupNode and UniformGroup, and created type definitions for UniformGroupNode values within the UniformNode class

* fix formatting

* Updates

---------

Co-authored-by: Nathan Bierema <nbierema@gmail.com>

types/three/examples/jsm/nodes/core/UniformGroup.d.ts

@@ -0,0 +1,7 @@
+export default class UniformGroup {
+    name: string;
+
+    readonly isUniformGroup: true;
+
+    constructor(name: string);
+}

types/three/examples/jsm/nodes/core/UniformGroupNode.d.ts

@@ -0,0 +1,21 @@
+import Node from "./Node.js";
+
+export default class UniformGroupNode extends Node {
+    name: string;
+    version: number;
+
+    shared: boolean;
+
+    readonly isUniformGroup: true;
+
+    constructor(name: string, shared?: boolean);
+
+    set needsUpdate(value: boolean);
+}
+
+export const uniformGroup: (name: string) => UniformGroupNode;
+export const sharedUniformGroup: (name: string) => UniformGroupNode;
+
+export const frameGroup: UniformGroupNode;
+export const renderGroup: UniformGroupNode;
+export const objectGroup: UniformGroupNode;

types/three/examples/jsm/nodes/core/UniformNode.d.ts

@@ -3,12 +3,19 @@ import { NodeTypeOption } from "./constants.js";
 import InputNode from "./InputNode.js";
 import Node from "./Node.js";
 import NodeBuilder from "./NodeBuilder.js";
+import UniformGroupNode from "./UniformGroupNode.js";
 
 export default class UniformNode<Value> extends InputNode<Value> {
     readonly isUniformNode: true;
 
+    groupNode: UniformGroupNode;
+
     constructor(value: Value, nodeType?: NodeTypeOption | null);
 
+    setGroup(group: UniformGroupNode): this;
+
+    getGroup(): UniformGroupNode;
+
     getUniformHash(builder: NodeBuilder): string;
 }