Js-visg-m-s — Manual

dashboard.addChart("bar", 
  data: source,
  category: "product",
  value: "revenue",
  stacked: true
);

dashboard.setTheme(
  background: "#1e1e2f",
  axisColor: "#cdd6f4",
  gridColor: "#313244",
  fontFamily: "Inter, sans-serif"
);

class LoggingModule extends JSVisgMS.BaseModule 
    onRender(glContext) 
        console.log('Frame rendered at', performance.now());
scene.use(new LoggingModule());

import  createComponent, Source, Transforms  from 'js-visg-m-s';

The "S" stands for Shaders. JS-VISG-M-S allows you to override material shaders without forking the library.