utilのpolyfillではなくobject-inspectライブラリを使う

Author: na-trium-144

app/terminal/worker/jsEval.worker.ts

@@ -2,8 +2,13 @@
 
 import type { ReplOutput } from "../repl";
 import type { MessageType, WorkerRequest, WorkerResponse } from "./runtime";
-import { format, inspect } from "util"; // <- これなぜブラウザ側でimportできるの? :thinking:
+import inspect from "object-inspect";
 
+function format(...args: unknown[]): string {
+  // TODO: console.logの第1引数はフォーマット指定文字列を取ることができる
+  // https://nodejs.org/api/util.html#utilformatformat-args
+  return args.map((a) => (typeof a === "string" ? a : inspect(a))).join(" ");
+}
 let jsOutput: ReplOutput[] = [];
 
 // Helper function to capture console output

package-lock.json

@@ -34,6 +34,7 @@
     "drizzle-orm": "^0.44.7",
     "mocha": "^11.7.4",
     "next": "<15.5",
+    "object-inspect": "^1.13.4",
     "pg": "^8.16.3",
     "prismjs": "^1.30.0",
     "pyodide": "^0.29.0",
@@ -53,6 +54,7 @@
     "@types/chai": "^5.2.3",
     "@types/mocha": "^10.0.10",
     "@types/node": "^20",
+    "@types/object-inspect": "^1.13.0",
     "@types/pg": "^8.15.5",
     "@types/prismjs": "^1.26.5",
     "@types/react": "^19",