const Inner = struct({ x: 'vec3' }, 'Inner')
const Outer = struct({ inner: 'Inner' }, 'Outer')
const outer = Outer(Inner(vec3(1, 0, 0)))
const inner = outer.get('inner')
const node = inner.get('x')

const material = new NodeMaterial()
material.fragmentNode = node

void renderer.debug
  .getShaderAsync(
    new Scene(),
    new Camera(),
    new Mesh(new BufferGeometry(), material)
  )
  .then(({ fragmentShader }) => {
    console.log(fragmentShader)
  })