Back to Track Overview
TypeScript
TypeScript 5.0–5.8+ Modern Features
TC39 Stage 3 Decorators, const type parameters, verbatimModuleSyntax, import attributes
Topic Progress5 lessons
Experience (XP)115 min • +150 XP
Topic Progress0 / 5 (0%)
Lessons in Module (5)
01
const Type Parameters: Automatic Literal Inference Without as const
25 min•+30 XP
const-type-paramstypescript-5.0literals
02
Explicit Resource Management: using, await using, and Symbol.dispose
25 min•+30 XP
usingresource-managementdispose
03
Inferred Type Predicates in TypeScript 5.5+
20 min•+30 XP
type-predicatestypescript-5.5type-narrowing
04
NoInfer Utility: Precision Control Over Generic Type Inference Sites
20 min•+30 XP
noinfertypescript-5.4generics
05
The --isolatedDeclarations Flag: Ultra-Fast Builds in Oxc, Rolldown, and SWC
25 min•+30 XP
isolated-declarationstypescript-5.5oxc