Save current progress on the block audit page

frontend/src/app/shared/graphs.utils.ts

@@ -84,3 +84,9 @@ export const download = (href, name) => {
   a.click();
   document.body.removeChild(a);
 };
+
+export function detectWebGL() {
+  const canvas = document.createElement('canvas');
+  const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
+  return (gl && gl instanceof WebGLRenderingContext);
+}