TypeScript Cheatsheet 01 — TypeScript Basics
Cheatsheet: types, interfaces, type aliases, unions, narrowing, assertions.
Typescript
TypeScript Cheatsheet 02 — tsconfig and Compile Targets
Cheatsheet: tsconfig fields, strict family, moduleResolution, NodeNext, project refs.
TypeScript Cheatsheet 03 — Generics
Cheatsheet: generic functions, classes, constraints, defaults, conditional inference.
TypeScript Cheatsheet 04 — Utility Types
Cheatsheet: built-in utility types with practical examples and gotchas.
TypeScript Cheatsheet 05 — Type Guards and Narrowing
Cheatsheet: narrowing techniques, custom guards, assertion functions, exhaustive checks.
TypeScript Cheatsheet 06 — Discriminated Unions and Pattern Matching
Cheatsheet: tagged unions, exhaustive switch, ts-pattern, Result types.
TypeScript Cheatsheet 07 — Conditional and Mapped Types
Cheatsheet: T extends …, infer, distribution, mapped types, key remapping.
TypeScript Cheatsheet 08 — Modules and ESM/CJS
Cheatsheet: ESM vs CJS, package.json exports, dual builds, type-only imports.
TypeScript Cheatsheet 09 — Declaration Files (.d.ts)
Cheatsheet: writing .d.ts files, ambient modules, global types, triple-slash.
TypeScript Cheatsheet 10 — JSX and React Types
Cheatsheet: React.FC vs explicit, props with children, event types, useRef, generic components.