load(url, options) { // eslint-disable-line
        return new Promise(resolve => {
            this.require([
                'GLTFLoader',
                'VRMLoader'
            ]).then(() => {
                var loader = new THREE.VRMLoader();
                loader.load(url, vrm => {
                    var material;
                    // VRMLoader doesn't support VRM Unlit extension yet so
                    // converting all materials to MeshBasicMaterial here as workaround so far.
                    vrm.scene.traverse(function (object) {
                        if (object.material) {
                            if (Array.isArray(object.material)) {
                                for (var i = 0, il = object.material.length; i < il; i++) {
                                    material = new THREE.MeshBasicMaterial();
                                    THREE.Material.prototype.copy.call(material, object.material[i]);
                                    material.color.copy(object.material[i].color);
                                    material.map = object.material[i].map;
                                    material.lights = false;
                                    material.skinning = object.material[i].skinning;
                                    material.morphTargets = object.material[i].morphTargets;
                                    material.morphNormals = object.material[i].morphNormals;
                                    object.material[i] = material;
                                }
                            } else {
                                material = new THREE.MeshBasicMaterial();
                                THREE.Material.prototype.copy.call(material, object.material);
                                material.color.copy(object.material.color);
                                material.map = object.material.map;
                                material.lights = false;
                                material.skinning = object.material.skinning;
                                material.morphTargets = object.material.morphTargets;
                                material.morphNormals = object.material.morphNormals;
                                object.material = material;
                            }
                        }
                    });

                    resolve(vrm.scene);
                }, undefined, () => {
                    resolve(null);
                });
            });
        });
    }
VRMLoader
@author tengge / https://github.com/tengge1