ReferenceBeginner15 min read
11. Cheat sheet & interview topics
TypeScript · 44 pages source format
Quick reference for daily TS work and common interview questions. Return when stuck.
What you'll learn
- 6-week map
- Utility quick ref
- Interview answers
Week map
- Week 1 — Strict setup, types/interfaces
- Week 2 — Unions, narrowing + Checkpoint A
- Week 3 — Generics, utility types
- Week 4 — Typing APIs
- Week 5 — Migration strategy
- Week 6 — Checkpoint B + polish
Clear?
Utility quick ref
Partial<T> optional all. Required<T> required all. Pick<T,K> subset. Omit<T,K> exclude. Record<K,V> dict. ReturnType<F> extract return.
Do this now
Bookmark TS Handbook utility types page.
Clear?
Interview one-liners
any: opt out of checking. unknown: safe top type, narrow first. interface: extend/merge. type: unions/intersections. never: exhaustiveness sink.
Do this now
Maintain living doc of TS interview Q&A in repo docs/ts-interview.md.
Clear?
