<Shader>
  <Grayscale>
    <Circle />
  </Grayscale>
</Shader>

<Shader>
  <Grayscale>
    <Circle />
  </Grayscale>
</Shader>

<Shader>
  <Grayscale>
    <Circle />
  </Grayscale>
</Shader>

<Shader>
  <Grayscale>
    <Circle />
  </Grayscale>
</Shader>

import { createShader } from 'shaders/js'

const shader = await createShader(canvas, {
  components: [
    { type: 'Grayscale', props: {}, children: [
      { type: 'Circle', props: {} }
    ]}
  ]
})