How to use the expo-three.THREE.DirectionalLight function in expo-three

const size = 0.65;
    const material = new THREE.ShaderMaterial({
      uniforms: this.uniforms,
      vertexShader: vertexShader,
      fragmentShader: fragmentShader,
    });
    const mesh = new THREE.Mesh(
      new THREE.TorusGeometry(size, 0.3, 30, 30),
      material
    );
    mesh.rotation.x = 0.3;
    this.scene.add(mesh);
    this.mesh = mesh;

    this.scene.add(new THREE.AmbientLight(0xcccccc));
    this.light = new THREE.DirectionalLight(0xffffff, 2);
    this.light.position.set(1, 1, 0.5);
    this.scene.add(this.light);

    // this.renderer.autoClear = false;

    require('three/examples/js/postprocessing/EffectComposer');
    require('three/examples/js/postprocessing/RenderPass');
    require('three/examples/js/postprocessing/ShaderPass');
    require('three/examples/js/postprocessing/MaskPass');
    require('three/examples/js/shaders/ConvolutionShader');
    require('three/examples/js/shaders/FilmShader');
    require('three/examples/js/postprocessing/BloomPass');
    require('three/examples/js/postprocessing/FilmPass');
    require('three/examples/js/shaders/CopyShader');

    const renderModel = new THREE.RenderPass(this.scene, this.camera);

setupLights = () => {
    // lights
    const directionalLightA = new THREE.DirectionalLight(0xffffff);
    directionalLightA.position.set(1, 1, 1);
    this.scene.add(directionalLightA);

    const directionalLightB = new THREE.DirectionalLight(0xffeedd);
    directionalLightB.position.set(-1, -1, -1);
    this.scene.add(directionalLightB);

    const ambientLight = new THREE.AmbientLight(0x222222);
    this.scene.add(ambientLight);
  };

getShadowLight = () => {
    let light = new THREE.DirectionalLight(0xffffff, 0.6);

    light.castShadow = true;

    // default is 50
    const shadowSize = 1;
    light.shadow.camera.left = -shadowSize;
    light.shadow.camera.right = shadowSize;
    light.shadow.camera.top = shadowSize;
    light.shadow.camera.bottom = -shadowSize;
    light.shadow.camera.near = 0.001;
    light.shadow.camera.far = 100;
    light.shadow.camera.updateProjectionMatrix();

    // default is 512
    light.shadow.mapSize.width = 512;
    light.shadow.mapSize.height = light.shadow.mapSize.width;

async setupModels() {
    await super.setupModels();

    this.scene.add(new THREE.AmbientLight(0xcccccc));
    this.light = new THREE.DirectionalLight(0xffffff, 2);
    this.light.position.set(1, 1, 0.5);
    this.scene.add(this.light);

    let skyMaterial = new SkyMaterial();
    const skyGeo = new THREE.SphereBufferGeometry(14500, 32, 15);
    // Expose variables
    this.mesh = new THREE.Mesh(skyGeo, skyMaterial);
    this.scene.add(this.mesh);

    // Add Sun Helper
    let sunSphere = new THREE.Mesh(
      new THREE.SphereBufferGeometry(2000, 16, 8),
      new THREE.MeshBasicMaterial({ color: 0xffffff })
    );
    sunSphere.position.y = -700000;
    this.scene.add(sunSphere);

async setupModels() {
    await super.setupModels();

    this.mesh = new RandomJunkNode();
    await this.mesh.loadAsync();
    this.scene.add(this.mesh);
    this.scene.add(new THREE.AmbientLight(0x222222));
    this.light = new THREE.DirectionalLight(0xffffff);
    this.light.position.set(1, 1, 1);
    this.scene.add(this.light);

    if (!THREE.ParallaxBarrierEffect)
      require('three/examples/js/effects/ParallaxBarrierEffect');

    this.effect = new THREE.ParallaxBarrierEffect(this.renderer);

    const { width, height } = this.renderer.getSize();
    this.effect.setSize(width, height);
  }

get shadow() {
    let light = new THREE.DirectionalLight(0xffffff, 0.9);
    light.position.set(0, 30, 35);
    return light;
  }

async setupModels() {
    await super.setupModels();

    this.mesh = new RandomJunkNode();
    await this.mesh.loadAsync();
    this.scene.add(this.mesh);
    this.scene.add(new THREE.AmbientLight(0x222222));
    this.light = new THREE.DirectionalLight(0xffffff);
    this.light.position.set(1, 1, 1);
    this.scene.add(this.light);

    require('three/examples/js/postprocessing/EffectComposer');
    require('three/examples/js/postprocessing/RenderPass');
    require('three/examples/js/postprocessing/ShaderPass');
    require('three/examples/js/postprocessing/MaskPass');
    require('three/examples/js/postprocessing/GlitchPass');
    require('three/examples/js/postprocessing/BloomPass');
    require('three/examples/js/postprocessing/FilmPass');
    require('three/examples/js/shaders/CopyShader');
    require('three/examples/js/shaders/ColorCorrectionShader');
    require('three/examples/js/shaders/VignetteShader');
    require('three/examples/js/shaders/DigitalGlitch');

    const composer = new THREE.EffectComposer(this.renderer);

async setupModels() {
    await super.setupModels();

    this.mesh = new RandomJunkNode();
    await this.mesh.loadAsync();
    this.scene.add(this.mesh);
    this.scene.add(new THREE.AmbientLight(0x222222));
    this.light = new THREE.DirectionalLight(0xffffff);
    this.light.position.set(1, 1, 1);
    this.scene.add(this.light);

    if (!THREE.AnaglyphEffect)
      require('three/examples/js/effects/AnaglyphEffect');

    this.effect = new THREE.AnaglyphEffect(this.renderer);

    const { width, height } = this.renderer.getSize();
    this.effect.setSize(width, height);
  }

async setupModels() {
    await super.setupModels();

    this.mesh = new RandomJunkNode();
    await this.mesh.loadAsync();
    this.scene.add(this.mesh);
    this.scene.add(new THREE.AmbientLight(0x222222));
    this.light = new THREE.DirectionalLight(0xffffff);
    this.light.position.set(1, 1, 1);
    this.scene.add(this.light);

    require('three/examples/js/postprocessing/EffectComposer');
    require('three/examples/js/postprocessing/RenderPass');
    require('three/examples/js/postprocessing/ShaderPass');
    require('three/examples/js/postprocessing/MaskPass');
    require('three/examples/js/postprocessing/GlitchPass');
    require('three/examples/js/postprocessing/BloomPass');
    require('three/examples/js/postprocessing/FilmPass');
    require('three/examples/js/shaders/CopyShader');
    require('three/examples/js/shaders/ColorCorrectionShader');
    require('three/examples/js/shaders/VignetteShader');
    require('three/examples/js/shaders/DigitalGlitch');

    this.effect = new THREE.EffectComposer(this.renderer);