JavaScript app built with Bolt.new? Let’s review it.
Expert code review for JavaScript apps built with Bolt.new. We find Bolt.new-specific bugs, fix JavaScript security issues, and optimize performance. From $19.
Bolt.new issues we find in JavaScript projects
Problems specific to Bolt.new's code generation patterns when building JavaScript apps.
Hardcoded credentials in source
Bolt frequently embeds API keys, database URLs, and service credentials directly in source files rather than using environment variables.
No authentication or authorization
Bolt prototypes rarely include auth. Routes and API endpoints are completely unprotected, allowing anyone to access or modify data.
Incomplete error handling
Happy-path-only code that crashes on edge cases. Network failures, empty states, and invalid data cause unhandled exceptions and blank screens.
Missing loading and error states
Async operations show no loading indicators, and failed requests show no error messages — leaving users staring at a blank or frozen screen.
JavaScript issues we check for
Common JavaScript problems that affect production readiness.
Prototype pollution
AI-generated code merges user-supplied objects into prototypes via Object.assign or spread operators without sanitization, enabling property injection attacks.
Loose equality comparisons
Using == instead of === leads to type coercion bugs where '0' == false, null == undefined, and other non-obvious truthy/falsy comparisons cause silent logic errors.
Unhandled promise rejections
Async functions without try/catch or .catch() handlers cause unhandled rejection warnings and silent failures in production.
Global variable leaks
Missing 'const' or 'let' declarations create implicit globals that pollute the global scope and cause unpredictable behavior across modules.
Start with a self-serve audit
Get a professional review of your Bolt.new JavaScript project at a fixed price.
External Security Scan
Black-box review of your public-facing app. No code access needed.
- OWASP Top 10 vulnerability check
- SSL/TLS configuration analysis
- Security header assessment
- Expert review within 24h
Code Audit
In-depth review of your source code for security, quality, and best practices.
- Security vulnerability analysis
- Code quality review
- Dependency audit
- Architecture review
- Expert + AI code analysis
Complete Bundle
Both scans in one package with cross-referenced findings.
- Everything in both products
- Cross-referenced findings
- Unified action plan
100% credited toward any paid service. Start with an audit, then let us fix what we find.
Frequently asked questions
Can you review JavaScript code generated by Bolt.new?
Yes. We regularly audit JavaScript projects built with Bolt.new and understand the specific patterns and issues it introduces. Our review covers security, performance, and deployment readiness.
What JavaScript issues does Bolt.new typically create?
Common issues in Bolt.new-generated JavaScript code include: hardcoded credentials in source, no authentication or authorization, incomplete error handling. Combined with JavaScript-specific concerns like prototype pollution and loose equality comparisons.
How do I make my Bolt.new JavaScript project production-ready?
Start with our code audit ($19) to get a prioritized list of issues. For Bolt.new-built JavaScript projects, the typical path is: fix security gaps, address JavaScript-specific performance issues, then configure deployment. We provide a fixed quote after the audit.
How much does it cost to review Bolt.new-generated JavaScript code?
Our code audit starts at $19 and covers security, performance, architecture, and deployment readiness. For fixes, our Fix & Ship plan is $199. Larger projects get a custom fixed quote — no hourly billing or surprises.
Related resources
Need help with your Bolt.new JavaScript project?
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.