Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.

Variable

shaders

import { shaders } from "@vfx-js/core";

Shader code for presets. Shaders in shader can be looked up with keys in ShaderPreset.

const shader = shaders["glitch"];
console.log(shader);

const shaders: Record<ShaderPreset, string>