TypeScript type system, patterns, and configuration. Use when writing TypeScript code.
Scanned 9/12/2026
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---
name: typescript
description: TypeScript type system, patterns, and configuration. Use when writing TypeScript code.
---
## typescript
Leverage TypeScript effectively.
### Type patterns
- interface for objects, type for unions
- Generics for reusable functions
- Discriminated unions for state machines
- Template literal types
- satisfies operator
### Strict mode
- strict: true in tsconfig
- noUncheckedIndexedAccess
- Use unknown over any
### Utility types
- Partial, Required, Pick, Omit
- Record, Exclude, Extract
- ReturnType, Parameters, Awaited
- NonNullable, Readonly
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