three.js/examples/jsm/nodes/materials/MeshBasicNodeMaterial.js

import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';

import { MeshBasicMaterial } from 'three';

const defaultValues = new MeshBasicMaterial();

class MeshBasicNodeMaterial extends NodeMaterial {

	constructor( parameters ) {

		super();

		this.isMeshBasicNodeMaterial = true;

		this.lights = false;

		this.setDefaultValues( defaultValues );

		this.setValues( parameters );

	}

	copy( source ) {

		this.colorNode = source.colorNode;
		this.opacityNode = source.opacityNode;

		this.alphaTestNode = source.alphaTestNode;

		this.lightNode = source.lightNode;

		this.positionNode = source.positionNode;

		return super.copy( source );

	}

}

export default MeshBasicNodeMaterial;

addNodeMaterial( MeshBasicNodeMaterial );