@polygonjs/polygonjs/dist/src/core/gl/Support.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { GL_EXTENSIONS } from "./Extension";
export function GLExtensionSupport(gl, extension) {
  return gl.getExtension(extension) != null;
}
export function GLUnsupportedExtensions(gl) {
  return GL_EXTENSIONS.filter((extension) => !GLExtensionSupport(gl, extension));
}