TypeScript Tips

 AllThingsSmitty/typescript-tips-everyone-should-know: ✅ A curated collection of practical TypeScript patterns that improve safety, readability, maintainability, and developer experience. 🧠

1. Prefer unknown Over any
2. Let Type Inference Do the Work
3. Prefer satisfies Over as
4. Derive Types From Values
5. Model Impossible States With Discriminated Unions
6. Use Exhaustive Checks With never
7. Use as const for Constants
8. Use Type Predicates
9. Build Types From Existing Types
10. Validate External Data at Runtime
11. Avoid enum in Most Cases
12. Prefer Inferable Generics
13. Enable Strict Compiler Options
14. Learn Template Literal Types
15. Type Safety ≠ Runtime Safety

Node Weekly Issue 627: June 4, 2026