work around blob url jank breaking anubis

Author: velzie

src/client/shared/blob.ts

@@ -15,7 +15,18 @@ export default function (client: ScramjetClient) {
 
 	client.Proxy("URL.revokeObjectURL", {
 		apply(ctx) {
-			ctx.args[0] = unrewriteBlob(ctx.args[0]);
+			setTimeout(() => {
+				// scramjet rewrites blob urls to pass through the service worker first
+				// this is neccesary if rewrites need to be applied to the blob
+				// the issue is that if you call revokeObjectURL immediately after using the blob
+				// the service worker will not have had time to download the blob
+				// for some reason this is not an issue natively
+				// simple delay is enough
+				// TODO: find a way to make this not necessary
+				ctx.args[0] = unrewriteBlob(ctx.args[0]);
+				ctx.call();
+			}, 1000);
+			ctx.return(undefined);
 		},
 	});
 }