first commit

node_modules/three/src/renderers/common/RenderLists.js

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+import ChainMap from './ChainMap.js';
+import RenderList from './RenderList.js';
+
+class RenderLists {
+
+	constructor( lighting ) {
+
+		this.lighting = lighting;
+
+		this.lists = new ChainMap();
+
+	}
+
+	get( scene, camera ) {
+
+		const lists = this.lists;
+		const keys = [ scene, camera ];
+
+		let list = lists.get( keys );
+
+		if ( list === undefined ) {
+
+			list = new RenderList( this.lighting, scene, camera );
+			lists.set( keys, list );
+
+		}
+
+		return list;
+
+	}
+
+	dispose() {
+
+		this.lists = new ChainMap();
+
+	}
+
+}
+
+export default RenderLists;