garrytan/gstack · error · Error

Usage: browse eval <js-file> [--out <file>] [--raw]

Error message

Usage: browse eval <js-file> [--out <file>] [--raw]

What it means

Error "Usage: browse eval <js-file> [--out <file>] [--raw]" thrown in garrytan/gstack.

Source

Thrown at browse/src/read-commands.ts:310

    case 'js': {
      const { outPath, raw, rest } = parseOutArgs(args);
      const expr = rest[0];
      if (!expr) throw new Error('Usage: browse js <expression> [--out <file>] [--raw]');
      if (bm) assertJsOriginAllowed(bm, page.url());
      const wrapped = wrapForEvaluate(expr);
      const result = await target.evaluate(wrapped);
      const str = resultToString(result);
      if (outPath) {
        const n = writeEvalResult(outPath, str, { raw });
        return `JS result written: ${outPath} (${n} bytes)`;
      }
      return str;
    }

    case 'eval': {
      const { outPath, raw, rest } = parseOutArgs(args);
      const filePath = rest[0];
      if (!filePath) throw new Error('Usage: browse eval <js-file> [--out <file>] [--raw]');
      if (bm) assertJsOriginAllowed(bm, page.url());
      validateReadPath(filePath);
      if (!fs.existsSync(filePath)) throw new Error(`File not found: ${filePath}`);
      const code = fs.readFileSync(filePath, 'utf-8');
      const wrapped = wrapForEvaluate(code);
      const result = await target.evaluate(wrapped);
      const str = resultToString(result);
      if (outPath) {
        const n = writeEvalResult(outPath, str, { raw });
        return `Eval result written: ${outPath} (${n} bytes)`;
      }
      return str;
    }

    case 'css': {
      const [selector, property] = args;
      if (!selector || !property) throw new Error('Usage: browse css <selector> <property>');
      const resolved = await session.resolveRef(selector);

View on GitHub (pinned to 94993f7401)

When it happens

Trigger: Thrown at browse/src/read-commands.ts:310 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of garrytan/gstack@94993f7401 (2026-08-12). Data as JSON: /api/errors/62a67b3712e93d97. Report an issue: GitHub.