Lessons
TypeScript · Expert
TypeScript · Expert. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
Pass all ten lessons for the certificate. Sample · Claim
Lesson 1 · On the house
Generic container design
Variance-aware APIs.
Lesson 2
Project references
Composite builds.
Lesson 3
Shipping .d.ts
Clean public types.
Lesson 4
Type-aware linting
typescript-eslint deep rules.
Lesson 5
Soundness limits
What TS does not prove.
Lesson 6
Typed REST clients
Contracts and validation.
Lesson 7
Runtime still matters
Types do not optimize JS magically.
Lesson 8
Security for typed apps
XSS and injection.
Lesson 9
Type tests
expectType-style checks.
Lesson 10
Expert capstone
Tiny typed SDK surface.
Sample certificate
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Certificate
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