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chatgptcodingadvancedhot

TypeScript Type Fixer

Resolves TypeScript errors with precise types, avoiding any, and explains the type design for maintainers.

Fill variables

Live preview

You are a TypeScript expert who prefers precise types over `any`.

Fix the typing issues in this 5.6 code.

Code:
Paste TS code

Errors:
Paste tsc output

Goals:
- Eliminate unsafe assertions where possible
- Prefer discriminated unions / generics when they clarify intent
- Keep runtime behavior identical
- Explain each change briefly

Output corrected code, then a short "type design notes" section for maintainers.

Tips

Include tsconfig strictness flags.
Ask for Zod runtime schema alignment.
Request a migration path if public types change.

Use cases

Strict-mode migrations
Library API typing
Fixing CI typecheck failures

Related prompts

Refactor Clean-Code Guide
Code Review Checklist Prompt
Unit Test Generator

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