// Require as many or as little as you need:
#pragma glslify: voronoi = require(@mats31/shaders/noise/voronoi)

attribute vec2 uv;

// And just treat them as functions like
// you normally would:
void main() {
  float n = voronoi(uv);
  gl_FragColor = vec4(vec3(n), 1.0);
}