Common Bugs in Pieces-Generated Code
The most common bugs we find in Pieces apps and how to fix them. Real examples from production code reviews.
Why Pieces code has bugs
Pieces captures code in context, but that context (imports, types, globals, environment) isn't always fully captured with the snippet. Developers may reuse a snippet without adapting it to the new context
The most common bugs
Snippets from Pieces are often correct in their original context but have dependencies on specific library versions, global variables, or environment assumptions that aren't present in the target project. Using a snippet verbatim can cause type errors, missing imports, or runtime failures if the context differs from where the snippet was captured
How to find these bugs
Start by running your app through its complete user flow — sign up, use every feature, try edge cases like empty inputs and invalid data. Most Pieces bugs surface when you go off the happy path. Use your browser's developer tools to watch for console errors, failed network requests, and unhandled promise rejections. TypeScript's strict mode will catch many issues at compile time if it's not already enabled.
Fixing patterns
For async errors, wrap every server-side operation in try/catch blocks and return meaningful error messages. For state bugs, consider whether the state belongs in the URL, in a server component, or in client state — Pieces often defaults to client state when server state would be more appropriate. For data fetching issues, implement proper loading and error states for every data-dependent component.
Prevention
The best way to prevent Pieces bugs from reaching production: enable TypeScript strict mode, add ESLint rules for common mistakes (no-floating-promises, exhaustive-deps), and write tests for critical user flows. Even basic smoke tests catch the majority of issues.
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Related guides
How to Deploy Your Pieces-Built App
Step-by-step guide to deploying your Pieces app to production.
Security Issues in Pieces Code
Critical security vulnerabilities commonly found in Pieces-generated apps.
Optimizing Pieces-Generated Code for Performance
How to make your Pieces app faster.
Adding Tests to Your Pieces Project
How to add a testing framework to your Pieces app.
Related technologies
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