three.js/examples/jsm/renderers/nodes/core/AttributeNode.js

import Node from './Node.js';

class AttributeNode extends Node {

	constructor( type, name = null, property = null ) {

		super( type );

		this.name = name;
		this.property = property;

	}
	
	setAttributeName( name ) {
		
		this.name = name;
		
		return this;
		
	}
	
	getAttributeName( /*builder*/ ) {
		
		return this.name;
		
	}
	
	setAttributeProperty( name ) {
		
		this.property = name;
		
		return this;
		
	}
	
	getAttributeProperty( builder ) {
		
		const attribute = builder.getAttribute( this.getType( builder ), this.getAttributeName( builder ), this.property );
		
		return attribute.property;
		
	}
	
	generate( builder, output ) {
		
		const attributeProperty = this.getAttributeProperty( builder );
		
		return builder.format( attributeProperty, this.getType( builder ), output );
		
	}

}

export default AttributeNode;