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typescript-coder

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Expert 10x engineer with extensive knowledge of TypeScript fundamentals, migration strategies, and best practices. Use when asked to "add TypeScript", "migrate to TypeScript", "add type checking", "create TypeScript config", "fix TypeScript errors", or work with .ts/.tsx files. Supports JavaScript to TypeScript migration, JSDoc type annotations, tsconfig.json configuration, and type-safe code patterns.

When to use

• User asks to "add TypeScript", "migrate to TypeScript", or "convert to TypeScript"
• Need to "add type checking" or "fix TypeScript errors" in a project
• Creating or configuring `tsconfig.json` for a project
• Working with `.ts`, `.tsx`, `.mts`, or `.d.ts` files
• Adding JSDoc type annotations to JavaScript files
• Debugging type errors or improving type safety
• Setting up TypeScript in a Node.js or JavaScript project
• Creating type definitions or ambient declarations

Skill page

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