add ClientSideOnlyError

Author: codehz

client.tsx

@@ -13,13 +13,19 @@ export function NoSSR({
   return <>{state}</>;
 }
 
+export class ClientOnlyError extends Error {
+  constructor() {
+    super("client only");
+  }
+}
+
 export function lazy<T>(
   importFunc: () => Promise<{ default: React.ComponentType<T> }>
 ): React.ComponentType<T> {
   const LazyComponent = oldLazy(importFunc);
   return (props: any) => {
     if (typeof window === "undefined") {
-      throw new Error("client only");
+      throw new ClientOnlyError();
     }
     return <LazyComponent {...props} />;
   };

index.tsx

@@ -3,6 +3,7 @@ import { NJSON } from "next-json";
 import { statSync } from "node:fs";
 import { join, relative } from "node:path";
 import { renderToReadableStream } from "react-dom/server";
+import { ClientOnlyError } from "./client";
 
 export class StaticRouters {
   readonly server: FileSystemRouter;
@@ -41,6 +42,7 @@ export class StaticRouters {
       bootstrapModules,
       context,
       onError = (error, errorInfo) => {
+        if (error instanceof ClientOnlyError) return;
         console.error(error, errorInfo);
       },
     }: {